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JS Diamonds Inc. is a New York City jeweler and diamond-trade business serving people who want to buy or sell diamonds, gold, fine jewelry, and watches. Based in the city’s Diamond District, the company says it has operated in the trade since 2010 and works exclusively from its registered New York City office, with no branches or affiliated offices elsewhere.

The team evaluates natural and lab-grown diamonds, gold, jewelry, and watches, offering expert appraisals and transparent, competitive purchase offers. Sellers can share photos and documents, book an in-person appointment at the NYC office, and receive an offer after an expert assessment. If accepted, payment is made by secure bank transfer. Consultations are available virtually or in person.

JS Diamonds also offers loose diamonds, jewelry repair, jewelry trade-ins and upgrades, and stone recutting services. The company emphasizes discreet support, honest valuations, and a straightforward, no-obligation process. Customers are encouraged to schedule an appointment to ensure a smooth visit. Its office is located at 580 Fifth Avenue, Suite 523, New York, NY.