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DIAMOND WEIGHT CALCULATOR

Looking to calculate the carat weight of your diamond? Our online diamond carat calculator helps you determine the weight of your stone.

Diamond Carat Size Chart

Download our Free Diamond Carat Size Chart to see how diamonds of different shapes and different carat weights look from the top down. Print the chart to compare your diamond and see what carat weight it is.

Our Selling Guides

Sell Luxury Goods Like An Expert

Read our guides to learn more about selling luxury goods. Arm yourself with everything you need to know before you start selling.

Our Offices

New York

535 5th Avenue, 11th Floor,
New York, New York
10017, USA

London

Berkeley Square House
Berkeley Square, Mayfair
London, W1J 6BD, UK

Birmingham

212 JQ Modern
120 Vyse Street, Hockley
Birmingham, B18 6NF, UK

535 5th Avenue, 11th Floor,
New York, New York
10017, USA

Berkeley Square House
Berkeley Square, Mayfair
London, W1J 6BD, UK

212 JQ Modern
120 Vyse Street, Hockley
Birmingham, B18 6NF, UK