STS Amethyst Vermeil & Sterling Silver Ring, Three-Stone Design, Size Size 10.5 This stunning ring is crafted by STS and features a captivating three-stone design. The center stone is a vibrant amethyst, flanked by two smaller amethyst accents. The band is a combination of sterling silver and vermeil, showcasing intricate detailing. The ring measures 5/8" wide east to west and stands 3/8" tall. Marked "STS 925." STS identifies as: STS International, a jewelry manufacturer known for its designs using sterling silver and gemstones. 5/8" wide stands 3/8" sts 925