This ring is suitable for Women having ring sizes between 4 to 10 as per Indian ring size standards. For same product in large ring size (For Men) between 10 to 22 search on amazon for this SKU code CSEM7R78_M. Size of this ring is easily ajdustable by hand. Gemstone is left open from the back side for rays to pass through and reach finger properly. High quality making in our own state-of-the-art manufacturing unit gives this ring a beautiful look. Gemstone certified by a well reputed laboratory