20 W 47th St, 401, New York, NY 10036 United States
https://www.diamondsourcenyc.com/
We buy and sell high end watches, engagement rings, wedding rings, and all other fine jewelry. Featuring brands such as Rolex, Audemars Piguet, Patek Phillipe and Richard Mille. Visit us at our Times Square boutique next to Rockerfeller Center.