Cabochons are a special collection of stones created from hand-molded glass. Using traditional glass making techniques, Preciosa® produces them in an exciting array of shape and colour combinations. Opaque and transparent colours imitate such genuine gems as diamond, ruby, topaz, sapphire and amethyst. Preciosa® also offer fabulous imitations of all the best-known natural semi-precious stones. Special Stones are used mainly in the jewellery industry and can be tailored to meet each customer’s specifications. All Preciosa® Special Stones will retain their beautiful luster for years to come.