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


UK Customers


All Other Countries


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:

Business hours: (all times are Eastern)

Monday through Thursday

10:00 AM to 7:00 PM


10:00 AM to 4:00 PM

Saturday and Sunday


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.