Assay Jewelers is an online fine jewelry and luxury watch retailer offering new, vintage, and custom-designed pieces. Its collection spans rings, earrings, necklaces, bracelets, and watches, with jewelry available in styles ranging from minimal and classic to high jewelry. Shoppers can browse by gemstone, era, designer, jewelry type, and price, with selections featuring diamonds, emeralds, rubies, sapphires, and other precious and semi-precious stones.

The store also carries authenticated luxury watches from brands such as Rolex, Cartier, Bulgari, Chopard, and Patek Philippe. Its high-end jewelry assortment includes natural gemstones and pieces accompanied by reports from laboratories such as GIA, GRS, Gübelin, and SSEF. Customers can explore vintage collections, request custom jewelry, or contact the team to make an offer. Assay Jewelers provides insured worldwide shipping, free overnight shipping on orders over $500, interest-free installment plans, and risk-free 30-day returns. The brand also shares jewelry and industry content through its Collector’s Corner blog.