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myGemma NYC Pop-Up Store

Open November 2018 - February 2019, visit our New York pop-up store on 485 Madison Avenue. This holiday season, shop your favorite brands at up to 80% off retail.

myGemma NYC Pop-Up Store

myGemma NYC Pop-Up: Diamonds, Jewelry & Watches

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 myGemma.

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

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.

myGemma NYC Pop-Up

485 Madison Avenue
New York, 10022
P: 646 569 3655
Monday - Saturday: 10am - 7pm
Sunday: 12pm - 5pm