Wholesale Diamonds & Fine Jewelry
Exceptional Diamonds
Exceptional Diamonds
& Fine Jewelry
Wholesale solutions for retail jewelers. Certified loose diamonds and finished pieces — priced for your case and shipped on your schedule.
— Featured Collections —
Built to sell in your case
A sample of the finished-jewelry lines we supply to retail partners. Every piece is available wholesale — request pricing and current availability.
Trade Inventory
Loose diamond inventory
Our live, certified loose‑diamond stock — full specs, certs, and wholesale pricing — is reserved for approved retail accounts.
For approved retail accounts
Sign in to browse our live diamond inventory and request stones with one click. New to us? Request a trade account and we'll approve you by email.
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About Us
A wholesale partner your case can count on.
Nissan Diamonds supplies retail jewelers with certified loose diamonds and finished pieces from our office in New York's diamond district. You get the stone on the certificate — graded, photographed where available, and priced to leave room in your margin.
Browse live inventory online, request what you need with a click, and we'll confirm availability and pricing the same day. No minimums, no games — just reliable supply for the pieces your customers ask for.
780+
Stones In Stock
GIA · IGI
Certified
Same‑Day
Quotes
Request a Quote
Tell us what you need
Retail jeweler? Send us the specs and we'll come back same‑day with availability and wholesale pricing. To browse live stock, sign in to the Diamonds section.
Office
62 W 47th Street, Suite 404
New York, NY 10036
Hours
Mon – Fri, 10am – 6pm
By appointment