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Jewelry in Boston, MA,
(617) 720-0752

About Us

ADCO Diamond is a name synonymous with diamond trading. Meline and Norair Arslanian (the “A” in ADCO) founded the business in 1980 as diamond wholesalers. Back then many of the diamonds were supplied by extended family members in Europe and Africa, who themselves had already been in the diamond mining and polishing business for decades. Diamonds, as they say, is in this family’s genes.

The next generation of Arslanians (Aline and Rina) were studying biology and graphic design respectively at Boston University when they too were drawn ineluctably to diamonds. After graduating from BU, they both enrolled at the Gemological Institute of America in Santa Monica, California before joining the family business. Combining backgrounds in science and art, Aline and Rina speak with authority and creativity on all aspects of jewelry creation.

With Aline and Rina onboard, ADCO’s wholesale business evolved into the retail business it is today. Still operating as a family business, ADCO has established itself as a reputable retailer in Boston that has exponentially grown its clientele. Beyond specializing in loose diamonds for engagement rings, wedding bands, and all other precious gems, ADCO has branched out into custom jewelry design. ADCO now serves many private clients with personal showings.

Connor L

5 out of 5
Quality of Service:
  • Responsiveness:
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  • Unlike other vendors who offered the same style of ring, ADCO did not try to mark up the price or trick us. They were honest and patient throughout the entire process, from when I first emailed them with questions to when we needed to get the ring resized. Friendly, knowledgeable staff who make you feel welcome and respond quickly to emails.

    responded with the following comments.

    Thank you Connor! We appreciate you taking the time to write about us. Thank you for trusting us. We look forward to designing your wedding bands and jewelry!

    Frequently Asked Questions about Jewelry

    Which of the following services do you offer?

    Appraisal, Cleaning, Diamond Certification, Payment Plans, Ring Sizing, Shipping, Stone Upgrades

    What kind of jewelry do you offer?

    Antique Engagement Rings, Custom Engagement Rings, Custom Wedding Bands, Designer Engagement Rings, Designer Wedding Bands, Fair Trade, Handcrafted, Loose Diamonds, Ring Setting

    What is your average turnaround time for an engagement ring?

    1-2 weeks, 3-4 weeks

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