JO-DI Style Gemstone Weight Gauge & Conversion Book

New Gem Gauge & Conversion Book

• This is a new gem gauge
• Allows you to estimate the weight of all popular shapes of diamonds without removing the stone from the mounting
• This caliper gauge reads round shaped diamonds
• It comes with a conversion book

Newer versions of the item shown may be shipped, as a result, there may be a slight variation in color and design.