H.L. Gross Promo Code May 2025 - 50% OFF

H.L. Gross is a diamond engagement ring industry, jewelry stores quickly established themselves as destinations and market leaders. The first of its kind, the diamond polishing wheel and diamond cutter were installed at the Hempstead store in the 1960s. Customers of bridal jewelry would frequently wait in line to purchase diamonds from H.L. Gross & Bro. Family. In 1969, they opened their first store in Garden City, New York. They had stores in five locations in the 1980s. At that time, they decided to concentrate their efforts and resources on the rapidly expanding Garden City store. Opening of their magnificent 5, 500 square ft. Showroom across the street from where they used to be. The size of the previous flagship store was almost doubled in the new one.