This high precision gauge features a built-in computer program to estimate the weight of a wide variety of loose and mounted stones with high precision, consistency, speed and ease.

The gauge computes weight directly from the measurements taken or from data entered on its keypad. It also features a direct reading of carats for brilliant cut diamonds.

It reads in mm with 0.01mm accuracy.

It automatically shuts off when idle for 10 minutes and has a USB interface for connection to your PC.

Works with diamonds and virtually all gemstones used today in jewelry in many different shapes, such as round, oval, emerald, marquise, heart, pear, cushion, rectangular or cabochon.