Light / Form Ring No 1.The Light Form Ring combines an otherworldly toned cabochon blue opal in a simple, everyday bezel set design. Works perfectly alone or layered together with other jewelry. Solid 18 karat gold 1. 5 cm length, 0. 9 mm width opal, approx 3. 92 cts 1. 4 mm band size Handcrafted in Los Angeles, and cut in house at the FTB studio Fade to Black ensures that all stones are sourced from ethical suppliers with whom we have trusted partnerships. All stones are