Gorgeous GIA 9.39 Ct Natural Chrome Green Tourmaline and Diamond 18K White Gold Ring. Top Gem “BIG Size” 9.39 Carat GIA Certified Chrome Green Tourmaline & Diamond Cocktail Ring. This dazzling tourmaline specimen is a jaw dropping “7.80 carats” with exceptional “Near Flawless” VVS1 Clarity found only in the finest of genuine chrome tourmaline gemstones. The world class ring is set with a generous 1.59 carats of absolutely gorgeous near flawless VS1-VS2 clarity F-G colorless & near colorless accent diamonds that will light up the room with sparkle and fire. The setting is crafted in heavy solid 18k white gold and clearly the work of a true jewelry master craftsman. This GIA Certified Estate Beauty has it all.