TOOLSGSDIA

Diamond-Gemstone Fan Gauge with 7 Arms

Diamond/Gemstone Fan Gauge with 7 Arms Diamond/Gemstone Fan Gauge with 7 Arms This pocket folding stone gauge is a must to carry around with you. It enables you to get a rough idea of the size of stones that are in a setting as well as loose stones. It has 7 arms for measuring round, oval, marquise, emerald, pear and radiant shapes.