Home > Manufacturers > My_Weigh > GemPro-50, Pocket scale GemPro-50, Pocket scale GemPro-50, Pocket scale MWH002 Your Price: $120.95 Regular: $129.95 You Save: $9.00 Quantity: Description: The GemPro is a digital Carat scale that is accurate to 0.01 carat (0.002 grams or 0.05 grains). This pocket scale has an innovative built in pop-up windscreen and all the professional features you'd expect from a much larger scale.