Gemma NYC Pop-Up: Diamonds, Jewelry & Watches

Winter Jewelry trends

We are excited to announce the launch of our pop-up store in the heart of Manhattan from November 2019-February 2019.

Shop our stunning diamond jewelry, designer jewelry and luxury watches, all at unbeatable prices. Including brands such as Rolex, Cartier, Tiffany and more at up to 80% off retail.

Buy and sell this holiday season with Gemma by WP Diamonds.

The brands you love

The brands you love

Buy the brands you love at up to 80% off retail. Including Rolex, Tiffany, Cartier, IWC, David Yurman, Omega, Breitling and much more.

Free Valuations

Free Valuations

Our team of diamond, jewelry and watch experts are on hand to value your items and make you cash offers.



Trade in jewelry and watches you no longer wear for store credit. Get 10% more on your offer when you choose store credit.

Gemma NYC Pop-Up

Gemma by WP Diamonds

485 Madison Avenue
New York, 10022
P: 646 569 3655


Monday - Saturday: 10am - 7pm

Sunday: 12pm - 5pm