Gauges and Calipers

MOST POPULAR, ELECTRONIC POCKET-SIZED DIGITAL GAUGE Most popular, electronic pocket-sized digital gauge. It provides the extra precision of 0.01MM you need and includes a gem weight estimating book, high-setting attachment and rubberized zippered carrying case. Used for estimating the weight of any shape diamond or gemstone (mounted or loose). Powered by (1) supplied LR44 (357) battery.

PRECISION AT A REASONABLE PRICE! Traditional style digital gauge provides the extra precision of 0.01MM you need and includes a diamond and gem weight estimating book, high-setting attachment and rubberized zippered carrying case. Used for estimating the weight of any shape diamond or gemstone (mounted or loose). Powered by (1) supplied LR44 (357) battery.

Description The Jo-Di Gauge can be used with all popular shapes of diamonds - without removing the stone from the mounting! A favorite diamond weight estimator for many years, the Jo-Di Gauge can be used with all popular shapes of diamonds without removing the stone from the mounting. This is the only millimeter caliper gauge that "reads" round, emerald, pear and marquise-shaped diamonds. The unit is made of anodized black aluminum, with easy-to-read numbers and large-type tables. This set comes with gauge, reference book, and case.

Description This digital caliper is a perfect asset to any jeweler that has a wet work space. This digital caliper features a digital display and measures 150mm x .01mm.

Indispensable gauge helps to size gemstones quickly and accurately. Sizes range from 1 pt. to 2.1 ct. plus baguettes. Aluminum disks fold together when not in use.