Earn Grenfell is a renowned Diamond Jewelry expert with over 38 years of accumulated experience. Based in Port Washington, NY, Earl has been a pioneer in high-end jewelry designing and manufacturing and is the creator of the famous company Spellbound Fine Jewelry and Watch Repair. Graduating from the Fashion Institute of Technology in Jewelry Design back in 1985, Earl has dominated the Long Island, NY Diamond Jewelry market ever since. As a Certified Master Jeweler with over 38 years of designing and manufacturing fine jewelry, I can deliver the best quality and workmanship at the best price. Certified Master Jeweler.