Sell Loose Diamonds

Sell loose diamonds online or in person to the diamond experts. WP Diamonds is the faster and safer way of selling your diamonds online. We buy your loose diamonds and diamond jewelry directly, no fees or commissions deducted. Our streamlined process is designed to take as little as 24 hours from start to finish.

Our team of GIA trained gemologists are on hand to price your pieces and answer any questions you may have. With offices in NYC, Hong Kong, Tokyo and the UK, we are a leading international online diamond buyer. Complete the online form to receive your bespoke price quote.

Get Your Offer

A+ BBB rated diamond buyer

How to sell loose diamonds

Follow our five simple steps to sell your loose diamond in as little as 24 hours.


Complete our online
valuation form


Receive your initial valuation
by phone or email


Ship us your items fully insured
via FedEx at no charge
or make an appointment


A member of our team will
contact you with a full
valuation and offer


If you accept, payment can be
received within 24 hours

Watch Our Process

What is my loose diamond worth?

Diamonds are complex to value, they have over 20 main characteristic that determine their value. This includes diamond color, fluorescence and more.

At WP Diamonds, our GIA trained gemologists have a wealth of experience in diamond valuations and diamond buying. They will take into account the following factors when pricing your stones:

  1. The 4 C’s: carat weight, cut grade, color and clarity are the main ingredients in determining value.
  2. Diamond Certification: You may have a diamond grading report for your stone. Some laboratories are more reliable than others and will affect your initial estimate
  3. Condition: Any chips or abrasions will affect the price, especially if a diamond has to be recut to remove them.
  4. Purchase Price: Your return % of the retail price will depend on the buyer your select.
  5. The Market: Certain diamond shapes and characteristics will be more valuable some years than others, dependent on market demand.

Where to sell loose diamonds

Choosing the right buyer for your loose diamond or diamond ring is an important decision. Below we review the pros and cons of each diamond buyer:

Pros Cons
WP Diamonds Extremely fast and with good returns Sell online or in person, however in person appointments are limited to NYC, Hong Kong, Tokyo and the UK
Auction Very exclusive diamonds achieve great results Uncertain returns and can take a long time
Consignment Results can be impressive if given 6-12 months to sell Finding an outlet to consign loose diamonds is almost impossible
Private Buyer Returns can be high if you find someone wanting your exact stone Can take a long time and there are risks selling to unknown individuals
Local Jewelers Local means sellers often trust their local retailer Often very selective about the types of stone they purchase
Pawnbroker Sell lower value stones Non specialist buyers who return smaller prices


Why sell to WP Diamonds

  • Speed: We buy your diamonds and diamond jewelry directly, there is middle man and no online listings. Our entire service can take as little as 24 hours from start to finish.
  • Reputation: We have over 1,000 customer reviews and an A+ BBB rating
  • Convenience: We have a fully insured FedEx overnight service for you to use to send diamonds to us. You also have the option to visit our NYC offices to get a final price.
  • Payment: We offer the option of payment by cash, wire, check (appointment only) or store credit. Trade in your diamonds or diamond jewelry for store credit (get 10% more on your offer) and purchase something new.
  • Prices: As an international diamond buyer, our global purchasing powers translates into higher prices than local buyers.
  • Customer Service: WP Diamonds was created in 2012 as the modern and professional alternative to local diamond buyers. We believe that selling diamonds should be as enjoyable as buying them. We provide unparalleled customer service and a dedicated client services representative for each customer.
  • What We Buy: We buy a wide and varied range of diamonds, including white and fancy colors. We also purchase diamond jewelry, designer jewelry, luxury watches and handbags.