Contact Us

SimplexDiam, Inc.

International Gem Tower (IGT)
50 W 47th St, Suite 2011
New York, NY 10036

Phone Number: +1 (212) 883 - 0888

For Jewelry Orders: Ext 1005 Email:

For Repairs: Ext 1012 Email:

For Diamond Orders: Ext 1007 Email:

For A R: Ext 1010 Email: 

To Buy or Sell Inventory

Call our Sales Department at
(212) 883-0888 ext. 1010


Please note, SimplexDiam does not have any other offices or branches.  All communication must originate from an email address using the '' extension.