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Contact Us:

We welcome your questions and feedback. Feel free to contact us using any of the methods below.

Our diamond and jewelry consultants have the knowledge to help you make the right decision, and most calls are answered in ten seconds.

US, Canadian Customers:      1-866-239-4315

UK Customers:      0-800-520-0448

All Other Countries:              1-212-840-1417

Email Us:


We typically respond to customer e-mails within one business day. Send us your question in the form below, or send an e-mail:
US customers: service@mdcdiamonds.com
Canadian customers: service@mdcdiamonds.ca

UK Customers: service@mdcdiamonds.co.uk 

Live chat with our experts 

MDCDiamonds on AOL, MSN, Yahoo, Google or skype  

Business hours: (all times are Eastern)

Monday through Thursday
10:00 AM to 7:00 PM

Friday
10:00 AM to 4:00 PM

Saturday and Sunday
Closed

If you have any other questions, please do not hesitate to contact one of our diamond and jewelry consultants in person at service@mdcdiamonds.com or 866-239-4315. If you'd like an immediate answer, you might be able to find the information you're looking for below.

 

 




Education and Guidance
View our education section for helpful information on more than just the 4 Cs.
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Your options are limitless.  Phone a Diamond and Jewelry Consultant to create the ring or jewelry of your dreams.
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  1-866-239-4315
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stunning diamond

My husband and I have been buying jewelry from Moishe of MDC Diamonds NYC since 2013. MDC Diamonds (and Moishe) is the only place I trust and will shop for diamonds period. But MDC Diamonds does so much more then just sell diamonds. They will customize a piece of jewelry that you see at Tiffany's or Winston's for substantially less or collaborate with you to design a one-of-a-kind piece of jewelry. At MDC Diamonds you have the ability to pick out the stones you want or you can do what I do - give Moishe your budget and he pick the most gorgeous stones to match it. I cannot say enough about MDC Diamonds. MDC designed my engagement and wedding bands, stunning diamond loop earrings along with several other pieces. Below is my newest piece!
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Read what customers have to say about their MDC Diamonds shopping experience.
 
stunning diamond
My husband and I have been buying jewelry from Moishe of MDC Diamonds NYC since 2013. MDC Diamonds (...
 
Mary G
Boston, MA
June 11, 2020

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MDC Diamonds NYC is an Upfront Merchant on TheFind. Click for info.   Find Mdcdiamonds.com Coupons on BeFrugal.comMDC Diamonds International Inc is a BBB Accredited Business. Click for the BBB Business Review of this Jewelers - Retail in New York NY
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Customer Service Address: 580 Fifth Avenue Suite 349, New York, NY 10036
Corporate Address: Manhattan, New York, NY
We welcome visitors to our New York office. Office visits are by appointment only. Please contact our Customer Service center to schedule an appointment.
© 2013 MDC Diamonds NYC - All Rights Reserved.