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Diamond Memo Program

Just because customers shop and configure online doesn't mean they don't want to see a diamond up close and hold it in their hands. Available to qualified retailers, our Diamond Memo program lets you ship loose stones to your store, where you can present them to customers and close the sale.

Our diamond office is supported by superior customer service and includes a team who is highly experienced in handling diamond needs.

  • Access more than 60,000 certified diamonds
  • Online appointment scheduler for in-store viewing
  • Most stones ship within 24 hours
  • You control the markup

Click on the link below to download the customer application, complete and submit via fax to W.R. Cobb Company at 800-428-0041 or mail to W.R. Cobb Company, 800 Waterman Avenue, East Providence, RI 02914 or email to

Hours of Operation
Monday - Thursday 10:00 AM to 6:00 PM ET
Friday 10:00 AM to 2:00 PM ET
Holiday Schedule
Apr 15-16 Passover Sept 25-26 Rosh Hashanah
Apr 21-22 Passover Oct 9-10 Sukkot
June 4-5 Shavuot Oct 16-17 Simchat Torah 
July 4 Independence Day Nov 28 Thanksgiving
Sept 3 Labor Day Dec 25 Christmas