● Company Management Number: K1-3-513 Beautiful, excellent transparency, Amethyst, purple crystal, guardian stone of love ● Materials Color: Good color, transparent natural stone amethyst, approx. 6.5mm Rank (Our Standard): AA～AAA No major scratches. There may be scratches, cracks, unevenness, and inclusions unique to natural stones. Please understand that these are natural stones before purchasing. ● Inner circumference size: approx. 160mm (Ladies' L size) Uses Ope-lon rubber, elastic Please ask any questions about size changes before purchasing. ● Comes with a gift pouch, usually ships on the same business day or the next business day. ● Stone Words: ☆ Amethyst: Japanese name: Purple Crystal February birthstone, guardian stone of love A gem that gives deep love between men and women, fidelity, sincerity, courage, and pleasant dreams. Amethyst, known as the guardian stone of love, a stone that protects true love, is famous as the February birthstone.