Gem Pawnbrokers is a multistore full service pawn shop with 24 stores located in Amityville, Arverne, Bogota, Floral Park, Hempstead and more. Pawnbroker can conduct business in English. Accept Cash. Pawn loan is a huge part of Gem Pawnbrokers business, as well as buy, sell and trade. The most favorite things to buy and sell in Gem Pawnbrokers are: diamond rings and other jewelry, luxury and high-end watches, TV's, home theatres, iPhones, iPads, Macbooks, car audio, top brand tools like Hilti, Makita, Bosch, work radios, video game consoles, musical instruments and equipment, stage light, sport stuff, hunting, fishing and camping equipment.