Presidium Diamond Mate-C Electronic Diamond Tester Component Links This is a new set

This is a new set of 48 smooth polished sterling silver ball beads

25 New Sterling Silver Twisted Closed Jump Rings

2 Strands Of Black Faceted Round Fire Polished Chinese Crystal Beads Great For Beading

Each measures approximately 6 1/4" (159 mm) long

Presidium Diamond Mate-C Electronic Diamond Tester Component Links This is a new setPocket sized instrument that instantly verifies the authenticity of diamonds based on their thermal properties. The Presidium Diamond Mate Tester (PDMT) has a retractable probe tip that ensures consistent pressure against the gemstone during testing for more reliable results. With the industrys thinnest probe tip size of 0. 6mm, PDMT tests diamonds as small as 0. 02ct. Test results are instantly indicated by an LED light and continuous audible beep.