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  Refer A Friend

Refer a Friend Do you have friends who have never shopped at MDC Diamonds? When you use our referral program to introduce your friends to MDC Diamonds, we'll send each one of them a personal reference code, good for savings of up to $100.

If one of your friends uses their code to make their first purchase with Blue Nile, we'll send you an offer to save:
arrow $20 on orders of $100 or more
arrow  $50 on orders of $500 or more
arrow  $100 on orders of $1000 or more

Rules and Restrictions

  1. You cannot refer yourself.
  2. You must provide a first name, last name, and e-mail address for both referrer (you) and referee (your friend).
  3. Your referral must be a new MDC Diamonds customer, and they must use their personal reference code at time of purchase.
  4. Each personal reference code is unique and can be used only once.
  5. Only one new customer personal reference code redemption is allowed per household.
  6. The personal reference code discount cannot be applied retroactively, it must be redeemed at time of purchase.
  7. This offer cannot be combined with any other MDC Diamonds offers, promotions, or the MDC diamonds Affiliate Program.
  8. All personal reference codes and their subsequent savings expire at 7 PM ET on the date provided at issue.


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Customer Service Address: 580 Fifth Avenue Suite 349, New York, NY 10036
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