Tommaso Design 9x7mm Oval Checker Board Cut Genuine Amethyst Pendant Necklace 14kt Gold Metal: 14 kt White Gold. Dimensions: Width: 7.00 mm Length: 14.00 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. AMETHYST: The Birthstone for February. The name comes from the Greek `amethystos` meaning `sober`. A symbol of trust, since roman times, Amethyst is thought to protect against seduction and provide peace, love, courage, and happiness. 18 inch Chain in a matching metal will be included Additional Stones: