'Ariane' is a spectacular handcrafted 18ct gold cluster opal ring claw set with ten brilliant multi-coloured teardrop-shaped South Australian solid crystal opals and three sparkling diamonds. Ring size: O (AU, UK & EU) 7 1/4 (US & CAN)Opal size: 10 opals - 6mm x 4mm (2.33 carats in total)Opal shape: TeardropOpal type: Solid crystal opalOpal colour: Multi-colourOpal origin: Coober PedyMetal: 18ct yellow goldDiamonds: 3 (0.06 carats)SKU: GOR104 ABOUT CRYSTAL OPALS Solid crystal opals feature a translucent or transparent, light body tone with flashes of bright colour. Crystal opal resembles rock crystal or glass - hold this stone up to the light and you can observe some light passing through this beautiful opal gemstone. Some dark and black opal can exhibit translucency too, and this is called black crystal opal. Read more about Australian opals.