These sieves
are used for sorting stones, beads, and pearls according to size. The complete set of 21 plates fit in zippered carrying case. The chart indicates plate size of stones per carat, weight, and millimeter size.
Products in Diamond Sieves 21 Plates (0-20) 1 7/8 Diameter Video
The diamond pocket sieves gauge is used for sorting stones, beads, and pearls according to size. Usage is simple and can be done anywhere. The set of 21 plates comes complete with a zippered carrying case. The chart includes plate-sized the stones per carat, weight, and millimeter size. See the diamond pocket sieves gauge and more great tools at Stuller.com/tools.