PRESIDIUM® Electronic Gemstone Gauge (PEGG) is a digital gauge for measuring gemstone dimensions with direct conversion to carat weight for round brilliant-cut diamonds.

Accurately measure up to to 1/100mm ◆ Touch-button zeroing ◆ High-setting attachment for measuring mounted gemstones ◆ Smooth slider mechanism ◆ Automatically powers off when placed in included carrying case ◆ Weight estimation booklet and battery included.