The Jo-Di gauge is a great inexpensive gemstone gauge for beginners. The only caliper-style diamond gauge that reads in millimeters. The gauge is made of black anodized aluminum with easy-to-read white numerals. The booklet is printed with large, easy-to-read type and contains tables for calculating the weights of rounds, emerald cut, marquise, and other popular diamond shapes.
SKU: GA672K
List Price:
$35.95
Price:
$29.95
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