Rectangular Diamond Gauge

One Armed Diamond Gauge With Carat Sizes 0.01 - 4.00ct

A metal sheet in which are varying sized holes. Each hole relates to a carat size, and is marked accordingly. The appropriate sized hole is placed over the stone and an indication of the stone size/weight is obtained. These gauges may also be used to suggest what size stone a setting will accomodate. The gauge is placed over the setting and each hole is placed across the top until the nearest size is reached.