Green Tourmaline, Diamonds, Enamel 18K Yellow Gold Earrings, E 0084-3Green Tourmaline, Diamonds 18 Karat Yellow Gold Enamel Tweed Earrings Tourmalines 2. 40 ct Diamonds 0. 33 ct Mousson Atelier was the first to successfully create a guilloche texture on curved surfaces, making it possible to achieve the intricate design of Tweed. This exclusive texture beautifully enhances the 18K Yellow Gold, Green Tourmalines, Diamonds, and Enamel featured in these earrings. 12. 20 x 33. 20 mm (WxH) Weight 6. 84 gm.