'Emille' is an elegant 18ct yellow gold opal ring bezel set with a pair of beautiful and bright green and blue-coloured, teardrop-shaped South Australian solid crystal opals featuring pink flashes and one sparkling white diamond. Ring size: N (AU, UK & EU) 6 3/4 (US & CAN)Opal size: 2 - 6mm x 4mmOpal weight: 0.50 caratsOpal shape: TeardropOpal type: Solid crystal opalOpal colour: Green and blue with pink flashOpal origin: Coober PedyDiamonds: 1 (0.01 carats)Metal: 18ct yellow gold (1.35 grams)SKU: GOR168 This crystal opal ring features a natural, ethically sourced Australian opal. Black Star Opal provides a signed Certificate of Authenticity upon purchase. 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.