Finejewelers Sterling Silver with 6x4mm Solitaire Oval Center Stone Bamboo Ring Finejewelers is a reputable American Family owned Business since 1955 and now based in New York, we use the highest quality workmanship and materials, and proudly stand behind all of our products. Metal: 925 Sterling Silver. Dimensions: Width: 5.50 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. Additional Stones: