☑ AVAILABLE NOW☑ GENUINE AUSTRALIAN OPAL☑ FREE EXPRESS WORLDWIDE SHIPPING & INSURANCE PRODUCT DETAILSGentleman's handcrafted 18ct yellow gold opal ring embossed with a dragon pattern and bezel set with a green and blue-coloured, flagstone patterned oval Lightning Ridge solid dark crystal opal. Ring size: S (AU, UK & EU) 9 1/4 (US & CAN)Opal size: 10mm x 8mmOpal shape: OvalOpal type: Dark crystal opalOpal colour: Green and blueOpal origin: Lightning RidgeMetal: 18ct yellow goldSKU: GOR041 This dark crystal opal ring contains a natural, ethically sourced Australian opal. Black Star Opal provides a signed Certificate of Authenticity upon purchase. International Ring Size GuideShipping and Delivery information 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.