About Diamond Whisperer

Diamond Whisperer buys diamonds, gemstones, jewelry and luxury watches from the public. We are experts in the diamond field and will make you comfortable throughout every step of the process. We are owned by WP Diamonds, one of the largest and most trusted international diamond buyers with in depth industry knowledge end expertise. Our international scope translates into higher prices for your items.



Diamond Whisperer was established in 2012 to create an outlet for consumers to sell their unwanted diamonds, jewelry and luxury watches securely online. Our official fulfillment partner is WP Diamonds, who will handle all communication.

Whether you’re going through a divorce and need to generate cash or simply want to trade-up diamond jewelry you no longer use, Diamond Whisperer can help you offload your “baggage”. We have an A+ BBB rating and work with hundreds of happy customers on a daily basis. Our customers have the choice of selling online (through free and fully insured overnight shipping) or via appointment at our NYC office.

At Diamond Whisperer, we buy all types of used diamonds: Certified and non-certified diamonds, Modern cuts, Old cuts (Old Miner, Old European Cut, etc.), Fancy colored diamonds with a GIA certificate. We also buy designer jewelry, vintage/antique jewelry and luxury watches. Our service is free, fast and secure. Our team of diamond experts are GIA trained gemologists, able to price diamonds accurately and fairly.



Do you have an engagement ring that is sitting in the drawer gathering dust? Sell your unwanted diamonds for money in your account today. Diamond Whisperer can price your diamond or diamond jewelry, and unlike appraisers, we will stand by that valuation. Complete our online form to receive your price quote. Unsure of the carat weight of your stone? Our easy to use diamond calculator will help you calculate the carat weight of your diamond. 


"Exceeded my expectations! Mark could hear the anxiety in my voice and immediately explained the process and followed up with information about the company. He told me what to expect and the transaction went through without a hitch! I am ready to do my next transaction with him and would assure anyone that WP Diamonds does exactly what they say they will. Thanks for the great service!"
"I truly enjoyed my experience with WP Diamonds. I was looking for a safe, fast, and convenient way to sell my item, and was so glad I found them on the web. The transaction was quick and easy, the offer was fair, and payment was immediate. Jay, my client manager was professional and answered all my questions; great customer service. I am a very satisfied customer and would recommend WP Diamond to anyone looking to sell or buy an upscale item."
"After showing interest in selling my diamond to WP, I received a phone call within 24 hours. Mark was kind and willing to work with my timing. When I decided to ship the stone to them for evaluation, it was a breeze. The packaging was paid for and insured properly. I got a great offer and have to say this experience was effortless. If you are unsure about shipping your valuables, this company has great customer service, is registered with the BBB, and I highly recommend them."
"Very pleasant, professional and quick! Excellent customer service! The transaction was very easy start to finish. Highly recommend WP Diamonds to anyone looking to buy or sell!"




Selling your diamond

We walk you through every step of our process:

  • Diamond valuation
  • How we ship diamonds
  • Diamonds insurance
  • So that you are comfortable in selling your used or second-hand diamonds


Diamond Whisperer is a member of the Jewelers Board of Trade, AGS, Jewelers Vigilance Committee and National Pawnbrokers Association. We buy tens of thousands of diamonds each year, work with Brinks Security to ensure the safety of your diamonds and have an A+ rating with the Better Business Bureau, so you're in safe hands.