This ring is suitable for Men having ring sizes between 15 to 30 as per Indian ring size standards. For same product in small ring size (For women) between 6 to 15 Size of this ring is easily ajdustable by hand. Hessonite garnet or Gomed is used to give best results for your astrological needs. Gemstone is left open from the back side for rays to pass through and reach finger properly. Gemstone certified by a Well reputed laboratory.Panchdhatu & Ashtadhatu Metal Adjustable Ring Rashi Ratna Loose Gemstone RingHallmarked by BIS and stamp of hallmark will be on the ring itself.