Perfect for determining the size and carat weight of loose or mounted Diamonds including round, emerald, marquise, pear, and baguette shapes. Also determines millimeter sizes on round beads from 2mm to 13mm. Simply place the stone or bead to be measured on the appropriate outline to view the size.
Size: 9'' long x 4-1/2'' wide

Technical Details

Width : 0.75 cm
Height : 0.36 cm

Product Details

ASIN : B013PY94M2