London Jewelers is unsurpassed as Long Island\\\\’s Premier Jeweler, carrying Brand Name Designer Collections, One-of -a Kind Hand Crafted Jewelry pieces, Certified Diamonds of all colors, quality, cut and clarity and Vintage and Estate Jewelry. London Jewelers is known world wide for our services, such as expert authorized jewelry and watch repair, on site gemologists, authorized retail services for Rolex, Patek Philippe, Van Cleef & Arpels, Cartier, Audemars Piquet and many more, corporate gift selections, bridal registry and insurance appraisals.