Jeweler's Diamond Stone and Gem Carat Folding Fan Gauge - All Shapes Versatile pocket gauge for measuring diamonds, gems and stones 7 blades for measuring brilliant cut, marquis, pear, square, emerald, round and oval cut stones Excellent quality - made from stainless steel with polished mirror finish to last for years All measurements are in carat weight from .01 to 60 carats Folded length 3-1/2-inches, weight 2 ounces