This handy gauge allows you to estimate the carat of various shapes of diamonds from its diameter and shape.
It works for Round Brilliant 0.01-3.0ct (19 types) stones as well as Pear Shaped, Oval, Emerald and Square 0.25-1.0ct (4 types).
Card sized gauge fits in every wallet, card holder and easy to carry out.
Very useful for carat estimation, business and buying diamonds.
AMC Diamond Gauge Product Video