Presidium Diamond Mate-C Electronic Diamond Tester Czech Glass The hooks are hidden so

The hooks are hidden so they do not diminish the beauty of the chains

and service life

It measures approximately 9 3/8" x 10 7/8" (238 x 276 mm)

This is a beautiful new 14 karat yellow gold "Baptism" and cross charm

Each measures approximately 14 3/4" x 8 1/4" x 1 1/2"

Presidium Diamond Mate-C Electronic Diamond Tester Czech Glass The hooks are hidden soPocket 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.