Tourmaline, Gemstones and Diamond Ring in Platinum and 18k White Gold Tourmaline, Gemstones and Diamond Ring features a 6.86 carat Cabochon Pink Tourmaline in the center surrounded by 3 Fancy-shaped Yellow Sapphires, 1 Emerald cut Ruby, 3 Marquise-shaped Aquamarines, and 10 Round Brilliant cut Diamonds, all set in Platinum and 18k White Gold. Total tourmaline weight is 6.86 carats. Total diamond weight is 0.43 carats. Ring size is 5.75 The ring weight is 16.5 grams. The ring measures 0.99…