Fine Jewelry & Excellent Service Since 1997 in East Hanover, NJ. Crystal Jewelers has been your trusted destination for fine jewelry since 1997. Located in East Hanover, NJ, we are a family-owned business that provides exceptional customer service and top-quality products. At Crystal Jewelers, we buy, sell, and trade a wide variety of jewelry, including engagement rings, precious metals, quality diamonds, and watches. Our selection of fine jewelry is unmatched, and we pride ourselves on offering the most exquisite and unique pieces to our customers.