Star K10k White Gold 7mm Cushion Cut Solitaire Promise Ring Metal: 10 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. White Topaz: The Substitute Birthstone for April. Named from the Greek `topazos` meaning `to seek`. Topaz occurs in a wide range of colors, and is said to enhance spiritual potential, intelligence, creativity wisdom and wealth. Lifetime Warranty exclusively offered by Finejewelers. High End Jewerly Box and Gift Packaging Additional Stones: