GemOro® Pro-D3 White Diamond and Sapphire Tester Calipers Buying this chain by the

Buying this chain by the foot means it's easy to get the length you need for one or multiple designs

and to shape or smooth prong tips

made with a chip of industrial-grade diamond set into a 3/8"H head

The main lens rotates within its ring so you can position the inset lens precisely where you need it and has a hinged plastic cover that conceals and protects the lens and keeps it free of dust when not in use

charms and/or other findings

GemOro® Pro-D3 White Diamond and Sapphire Tester Calipers Buying this chain by theThe Pro D3 white diamond and sapphire tester from GemOro offers the protection against fraud. This tester uses electrical conductivity testing to reliability identify white diamonds and sapphires. Designed in the USA with exclusive, patented ergonomics, the Pro D3 fits comfortably in your hand. Patented intuitive finger pads provide a user friendly ease of use, a sure grip and added comfort. The probe tip is retractable for increased durability and