Star K14k Gold 7mm Round Screw Back Stud Earrings Metal: 14 kt White Gold. Dimensions: Width: 7.00 mm Length: 7.00 mm This beautiful design is part of the exclusive Star K. Jewelry collection. Star K, is a reputable American Family Business based in New York since 1986, uses only the highest quality materials, and will proudly stand behind all of her products. Mystic Topaz is quite a new stone, first seen around 1998. It is natural colorless (white) topaz that has been coated, giving it a unique rainbow color effect. The stone is said to boost the meditative state of the person to attain the higher self. Lifetime Warranty exclusively offered by Finejewelers. High End Jewerly Box and Gift Packaging Additional Stones: