Sell Your Diamonds to the Rhode Island Experts

Evaluating diamonds can be quite complicated, and you can't expect the best price from someone who isn't a diamond expert. If the diamond isn't certified – most older, antique and smaller diamonds are not certified – a careful eye and thorough understanding is required. We understand the many intricacies and craftmanship of diamonds. Often the stone and the setting combine to boost the value of the jewelry, whether it's a diamond pin or diamond ring. Antique diamonds deserve experienced consideration. Learn more about estate diamonds.

Thurber-Roach takes pride in treating each customer with discretion and respect. We understand the many reasons that customers come to us to sell their diamonds and gems. Whatever the reason you're selling your diamond, we encourage you to sell to experienced diamond brokers. We have over 60 years of combined experience evaluating diamonds. Learn more about Bill & Dave's diamond credentials.

Local Rhode Island Diamond Store With a Global Reach

Perhaps your diamond isn't well-suited to the Rhode Island market? From right here in Warwick, RI, Thurber-Roach maintains and actively uses Polygon, the world's largest database of diamonds. We have a thorough understanding of the industry and its network and pass along the greatest value to diamond sellers here in Rhode Island and beyond.

Get the Best Offer for Your Diamond Jewelry

To realize the full value of your diamonds or diamond jewelry, contact us today to set up an appointment.

"Mr. Bill Roach and David Thurber were very knowledgeable, friendly, fair, patient, and professional. Mr. Roach's knowledge about diamonds goes far beyond the normal proprietor. He is truly an expert and knowledgeable gemologist. Mr. Thurber was very helpful also and a pleasure to work with."
- D.B., Barrington, RI