Tommaso Design Round 7mm Mystic Rainbow Topaz Pendant Necklace 14 kt White Gold Metal: 14 kt White Gold. Dimensions: Width: 14.00 mm Length: 17.00 mm This Classic creation is made by the renowned Tommaso Design Studio. Tommaso Design Studio, is a reputable American Family Business based in New York since 1986, uses the highest quality materials, and will proudly stand behind all of its products. 18 inch Chain in a matching metal will be included Additional Stones: (0.02 carat white-diamond, Shape: round-shape, Color: L-M, Clarity: I3, Creation: natural, Treatment: not-treated.)