A gold filled necklace with an eye-catching donut shaped gemstone, in a choice of colours: White opalBlack OnyxOrange AventurineGreen JadeEach gemstone is unique, with its own character and markings, so no necklace is the same. DIMENSIONS: gemstone: 1.3cm / .5" diameter. Necklace: 41cm / 16" length. MATERIALS: semi-precious gemstones, 14k gold fill.