The Precious Earth Carat Converter is a neat tool for anyone in the diamond, gemstones, or jewellery trade. Simply enter the weight of your stone in any of the given units on the right, and the calculator will instantly convert it into the other given units as specified. It is a versatile tool and eliminates the need for manual calculations.

In general, the following relationship between Carats, Ratti (traditional Indian unit for weight), Grams and Milligrams holds true:

1 Carat = 1.09 Ratti = 0.20 Grams = 200 Milligrams