J&J Diamonds 28 Co

J&J Diamonds 28 Co. is a Long Island jeweler in Huntington, NY—right across from Walt Whitman Mall—specializing in engagement rings, custom jewelry, diamond tennis bracelets, wedding bands, and same-day ring resizing & repairs. Our roots began on 47th Street in NYC’s Diamond District, and we combine real bench craftsmanship with honest, one-to-one service.

Watch our playlists: Engagement Ring Guide (cut • color • carat), Custom: From Sketch to Set, Jewelry Bench ASMR (no talking), Same-Day Repairs & Care. Diamonds available with GIA/IGI certification; custom options via CAD or handmade.

Visit us: 219 Walt Whitman Rd, Huntington Station, NY 11746
Call: (631) 470-6213
Serving Huntington, Melville, Dix Hills, Syosset, Commack, Northport, Plainview and greater Long Island.

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