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ADCO Diamond Corp.

Diamond retailers, specializing in loose diamonds for engagement rings and other jewelry, including custom made. Our expertise and service separate us from others. We have GIA certified gemologists on staff, and with almost 30 years of experience.

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My boyfriend and I have been ring shopping all over the country for the last 3 months and could never find the right ring. I have very particular taste, one that can't be satisfied unless it is just right. After all, a diamond is forever...right? From trying to design one to going to a huge place like Tiffany's. Looking for a particular pear shaped diamond and setting, I wasn't quite sold on the engagement rings out there. Feeling frustrated, I did a through research online for the perfect store to shop around in. I found ADCO!

Tucked inside a large building, this family ran business was perfect. Upon walking in, I asked for a pear shaped diamond. Aline informed me that she had one that she just designed and set, and invited my boyfriend and I to take a set next to the windows! Natural lighting to take a look at a diamond is SOOO IMPORTANT. She pulled it out, and needless to say, it was perfect. I knew it had to be mine. She made the comment that she has never sold a ring so fast. I knew that it was destined and it was made for me; she just didn't know it. My boyfriend even found his perfect ring there. What are the odds? We were so happy with the service, the education of the diamonds we purchased, the quality, and the selections; we ended up buying both right there! Aline, you are a miracle worker and I loved everyone there! Now, I am just waiting for my boyfriend to surprise me with my perfect ring....haha.

For a control freak, Aline and ADCO's business ethics were perfect! No pressure and pure joy. Buying an engagement ring has been so stressful! I am so glad that I have been shopping around so much, because I knew that when she told us the price of the rings it was fair.

I will now only buy my jewelry here. I don't trust any other jeweler!

Thank you ADCO!
Jeff Corazzini Photography
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Congratulations on winning the contest.
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K.C.
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We purchased both my engagement ring and our wedding bands from ADCO Diamond Co., and the whole experience was delightful. We had been wandering around the jewelry district completely flustered when we came into ADCO, and Norair put us completely at ease. Norair and Rina helped us select the perfect engagement ring, and later Aline helped us select our wedding bands. We were very particular about the bands we wanted and we hoped to have special customized engravings, and Aline and family bent over backwards for us. They completely understood what we wanted and helped us in every way, and the results are beautiful. Overall the selection of rings they have is excellent, so many attractive designs, and such quality stones as well. ADCO is a family business and they are committed to providing diamonds that are conflict-free; they have so much integrity. In addition, we adored everyone in the Arslanian family, they spent so much time with us and wish theirs were the type of business we could patronize more frequently! We enjoyed working with ADCO Diamond through and through and recommend them to everyone!
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Janelle White
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We are so happy with our engagement ring and can't wait to see our wedding bands!
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anonymous
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ADCO is the most trustworthy diamond retailer. Their attention to detail is superior. The customer service is unbeatable. They know their business better than anyone else and it shows in the product they create. Their diamonds are the most brilliant ~ just top quality. ADCO Diamond is absolutely the only place I would shop for an investment of this kind.
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Anahis K Uruk
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ADCO Diamond Corp. know what are they doing and good at it. In other words they are experts in detailing.
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Chris Jordan
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On November 25th, 2005 I gave a Diamond ring to my girlfriend (now wife). She was overwhelmed with joy (I would like to think it was due to our future - but the diamond cinched it!) Picking a diamond is very difficult and I was fully explained and consulted. They helped me make the rich choice! Thanks ADCO!
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John Russell
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ADCO has made many special items for me over the last few years. Pricing is fair, quality is excellent
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ADCO has the most beautiful jewelry. They acquire the best diamonds and their work is truly professional.
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Kevin
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I was referred to ADCO more than ten years ago by a friend at work and they took good care to show me quality and value at the same time. I left a happy customer and continue to be one. I have since referred five or six (or more) friends and relatives...and all have left as satisfied customers, including one friend who came all the way from NY to have a ring made. The folks at ADCO do fine work and pay attention to the details. I'll be back again.
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jj healy
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They are great even from long distance - we live in WY and had no issues with looking at various pieces!
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We appreciate ADCO and their great customer service.
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Jason
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Simply excellent service all around
Lots of patience displayed which is great for a first time buyers

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Kelly
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My husband bought my engagement ring from Norair and Allene in 1989. It is as beautiful today as it was then, I would never change anything about my ring. The customer service was impeccable. We referred them to so many other people, I would never go anywhere else, I only trust Adco to take care of my diamonds.
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Stephanie
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My fiance bought my engagement ring from ADCO and I absolutely love it. They provide personal, low-pressure service.
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Adnelly
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My ring was a complete surprise. It was custom made to meet the 'specs' I had told my fiancee about for my dream ring, and the result was beyond expectations. The service and friendliness of everyone and ADCO is above and beyond, they are outstanding.
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Adnelly
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My ring was a complete surprise. It was custom made to meet the 'specs' I had told my fiancee about for my dream ring, and the result was beyond expectations. The service and friendliness of everyone and ADCO is above and beyond, they are outstanding.
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Shawna
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My fiance and I went into multiple stores to find the perfect diamond, and the only place that we loved the selection and the staff was Adco. They were so sweet and patient, and now I have the man of my dreams... and the ring of my dreams, too!
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Ramzi
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ADCO has been great in the process of selecting my ffiance's engagement ring. The selection was great, the help and knowledge made the whole process extremely easy and enjoyable. I use ADCO for all my jewelry needs!
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Jan Filip
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Aline and Rina have been great! I stopped by in person once and now I do the rest by phone. It is always so easy and you get what you expect at a great price.
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Marion
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Adco has made beautiful rings and jewlery for myself and many friends. Customer service is wonderful and the finished product is fabulous!
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Jeff
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They must have shown us ten stones over 3 hours. Very Patient
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karie miller
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I have 2 daughters and each of them have engagement rings and wedding bands from ADCO. They are exquisite. And the service was personal. What more could you ask for at such an important time of your life? I vote for ADCO Diamond
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Wayne Marcus
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ADCO Diamond made the most beautiful engagement ring and wedding band for me to give to the most beautiful bride in the whole world. They are also the nicest, most helpful and knowledgeable diamond people I've ever met.
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Rebecca Miller Marcus
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ADCO Diamond Corp. is the best because they have been doing business with me and my husband as well as our friends and family for years....Because they are incredibly gracious, kind, and completely customer service oriented. Because every time you have contact with them they make you feel as if you are the most important customer they've ever had. Because their family owned business takes pride in their work and in their relationship with their customers. And most importantly..... because they lovingly created my absolutely beautiful, cherished engagement ring!
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Gina
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Rina rocks!!! She has excellent suggestions and will design something unique and special for you! :)
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amy fracassini
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They are fabulous. The entire family is wonderful and their service is superb. I would highly recommend them to anyone - two thumbs up on all accounts!!!
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Reenie
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My friend's fiance bought her wedding ring at ADCO and when she went in for a free cleaning, the owner offered to clean my diamond earrings too! Great customer service!! Thank you, ADCO!!!
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dale matthew
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ADCO makes the best! of everything from rings to bracelets to special pieces!!!
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T. Rosento
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No pressure, very friendly atmosphere. Nice selection of rings. My wife loves her rings and she receives compliments all the time.
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Tatiana
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Adco is the best! Adco has been my jeweler for years, and will always be. I'm very pleased with all my purchases.
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Armand
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Great service, and wonderful prices. Love Adco family!!
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Debbie Rosen
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They are very professional and provide top quality service.
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aline donabedian
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ADCO jewelers are very honest and very fair. I hope they win because they deserve to win.
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nicole
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They believe in great customer service
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Jennifer Matthew
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This past Halloween, while running around the house getting it and the kids ready, my diamond solitaire necklace came undone (on a non-ADCO supplied chain). My mother, my husband and I were frantic. We were looking everywhere, indoors, outdoors. While running through the house I turned a corner and saw the diamond shining brightly underneath a piece of baseboard that was elevated from the carpet. The evening sun was shining through a window and the stone, as amazing as it is, was deflecting the light back at me like a beacon. It was amazing, truly unbelievable, and very lucky. My 2-year old daughter found the necklace weeks later in a differnent part of the house. Thank you ADCO for my beautiful solitaire necklace, engagement ring, weddling band and earrings. We love you!
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Andrea
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I went to many jewelry stores for a specific ring, and only ADCO had what I wanted. They helped me find a good ring and had the best quality around. Thanx ADCO!
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Donna & Darren
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Unmatched quality with extraordinary service, the experience couldn't have been better!!!
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Matthew
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They help you feel confident that you are buying the right product throughout the sales process.
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AA
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I thought buying a diamond was going to be the most difficult purchase. The staff at ADCO made me feel confident by being patient and by guiding me. I now have a relationship with them for all my diamond needs...from a wedding present to baby gifts. I have recommended them to anyone on the market. I was at a conference. An attendee and I were discussing diamonds. He told me he was buying from a small family business and that I would not know them. When he said he was buying from ADCO, I thought now the secret is out...everyone knows about ADCO.
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Liz Novack
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Best quality, best mercandise and expertise at ADCO. I would go no where else to get the perfect rock.
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Lenna Garibian
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High quality diamonds in artfully created settings. Beautiful.
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Peter Meyers
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Great service...really top-notch advice on what to buy, plus a ton of hand-holding for diamond newbies and no sales pressure. This is a great shop.
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julie houle
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ADCO has the best prices and nicest people.
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MDC MacKinnon
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Our family has been doing business with ADCO for many years. The Arslanian family provide excellent service and are extremely helpful, knowledgeable, and patient with their customers. We've been very pleased with the jewelry we've purchased and we will continue to do business with them. I receive many compliments for my rings. They are a business you can trust. I recommend them to all my friends.
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Andy
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Top notch personal service, knowledgeable staff, excellent value and top quality workmanship...all rolled into one!
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Mike Kelsen
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I bought my wife's engagement ring from Aline. The whole experience was an absolute pleasure. My wife adores her ring. I send all my friends to ADCO now.
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Andy
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Great experience. I was very nervous shopping for an engagement ring, but Adco put me at ease. They were wonderful. I recommend them to all.
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Timothy S. Orcutt
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Knowledgeable, helpful people that you can trust.
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Iven Simonian
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The ring designs compared to other jewelers are just impressive
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Steve B
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All around great shopping experience and continued service, unbeatable!!!!
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Lisa & Michael
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Adco is the best! My husband purchased my engagement ring and our wedding bands there. Aline is so so patient and helpful. Her prices are great!
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wiifm_daniel
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Great company and excellent service. Who needs to shop elsewhere.
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Chris
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The customer experience at ADCO is very personal and caring. They are very educated and provide excellent knowledge to their consumers. They are the most trustworthy jewler I've ever worked with and their diamonds are outstanding.
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Erin Ward
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My husband and I are very satisfied with both my engagement ring and our wedding bands....they came out beautiful!
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Kathy
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Absolutely the best! I wouldn't go anywhere in the country for my jewelry. I've sent my family , friends and colleagues, and they were very pleased with their services. I'll never set my foot in those big name fancy overpriced places again.
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MMB
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Personalized service from a knowledgeable family provided confidence in quality and pricing.
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David
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Adco is the best, hands down!! Great service, great prices. A wonderful small family business. My #1 and only jeweler!
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Jason G
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I knew very little about diamonds before beginning my search for an engagement ring. The family at ADCO went out of their way to make me feel welcome and their patience and instruction made me feel great about an expensive and stressful decision. I'm glad I shopped them after shopping some of the other diamond retailers. The difference was night and day and my wife still smiles when she looks at her ring :) Thanks
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Greg Devlin
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I can't say enough good things about ADCO and the Arslanian family. Talk about an unassuming place, but a company that does everything the right way. I purchased my wife's engagement ring and our wedding rings at ADCO six years ago and had a perfect experience. Mr. Arslanian spent over two hours educating me on diamonds so that I was able to make the best decision. They provide excellent service and you will not find a better deal and most importantly better quality.
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Paddie Riesenberg
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My husband bought me a gorgeous diamond eternity ring from Aline at Adco. Her attention to detail was superior and it showed in the quality of the finished product. She made the whole experience a pleasure!
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Nicole
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I have been buying all my jewelry from ADCO for 3 years now and I would never go anywhere else. They do great quality work and have exceptional prices.
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Sher Moshir
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By far one of the best rings I have seen so far
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Annie Bagdasarian
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Great diamond shopping experience
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Robert Fisher
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ADCO is simply the best when it comes to diamonds. Their service is unmatched in the industry.
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Darrell & Cecelia
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This is a family run business and everyone in the family business knows their stuff. We traveled from N.H. & bought our ring from Rina and she was just awesome. Rina, who is a GIA grad, sat with us and went thru all the considerations above & beyond the 4 C's. We got an awesome ring, at a great price, with the pedigree (GIA)paperwork to back it up. Just as important we feel great knowing we were dealing with an honest company who stands behind their product and service and cares enough about their customers to not pressure or push like many shizters in the business. They are the real deal in a business that rarely is!
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Greg
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Excellent service; been with them for years and never anything but the best in diamonds!
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Rob
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Rina and Aline were so helpful in aiding my decision on an engagement ring for my wife. I highly recommend shopping here!
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Jason M
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I studied up on diamonds and had many questions. One very reputable jeweler in the jewelers building threw me out after i asked too many questions. This was the owner who's been selling diamonds since he left the war in 1945. He basically said he knew diamonds and all that mattered was that if one looked good to me then it was good enough -- "BS" I'm the one paying and not a small amount at that. Adco provided superb service. Their tactics are much more professional and understanding. They were very knowledgeable about their diamonds, they had patience with me and understood my needs. They were not pushy and quite pleasant. Adco made my diamond buying experience so good I would recommend them to anybody.
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Tim
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I had a very good experience recently buying my fiance's engagement ring from ADCO. Norman and Rina worked with me to get the setting I wanted at a great price. I was able to see several diamonds in my range and specifications. It was totally an un-rushed and no pressure experience. I got a great diamond at a great price. I researched prices and other dealers prior and ADCO gave me the best overall service and price.
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Ian
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ADCO had been amazing. The pricing was wonderful for a product that was beyond expectation in quality.
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Brian
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My family has been doing business with ADCO for many years, and the quality of their products, expertise in their field, and perfect service never ceases to amaze us.
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Gazar Bagdasarian
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Very reliable family run diamond business that exceeded my expectations in the quality of the diamond and the service the business provided - a must when you are buying a diamond
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Sean M.
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No pressure, great quality and great prices. The folks at ADCO took the time to educate me about diamonds and show me a variety so that I could chose the best one for me.
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Sarah Wheeler
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My engagement ring is AMAZING!! I get compliments on it every day. Aline spent time with us picking out the perfect diamond and setting. She is so knowledgeable and patient. The experience was both interesting and fun and when I opened the box to see the ring I was blown away - I still am every time I look at it.
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Al Verrier
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They were extremely patient, completely explained the grading, and helped me select an excellent diamond based on value, not just arbitrary specs. We spent a couple hours finding the perfect stone, and they had the right setting. Their prices were very competitive even with online stores. My fiance, (now wife) adores the ring.
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Keri Preziosi
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The attention to detail is amazing and the prices are incredibly reasonable! :)
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Mark
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Service is great. The staff is very knowledgable and willing to put in the time to make sure you're happy with your ring. A great experience overall.
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Matt Hale
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