Established in 1915, Helzberg's Diamonds operates a chain of more than 250 jewelry stores in the United States. The company offers a range of earrings, bracelets, necklaces, rings, pendants, chains, charms, anklets, navel rings, cuff links, money clips, and tie chains and tacks. It also has a collection of gems, including ruby, emerald, blue topaz, amethyst, aquamarine, garnet, opals, cultured pearls and tanzanite. Helzberg's Diamonds provides diamond solitaire enhancers, bridal and engagement rings, wedding bands, and men s and women s watches. It offers online gift cards of various denominations. The company is a subsidiary of Berkshire Hathaway, which is engaged in property and casualty insurance activities.