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Diamond Carat Calculator

Do you have doubts about the information you currently have or are you missing this information about your diamond? Use our diamond carat calculator below to get information about the carat weight of your diamond.

Knowing the precise carat weight of the diamond will help us to give you a precise price quote. Carat weight is one of the most crucial characteristics of any diamond. Call our UK team with any questions you may have.

Diamond Carat Size Chart

Download our Free Diamond Carat Size Chart to see how diamonds of different carat weights and shapes look. Simply print the the PDF and compare to your diamond to establish its weight in carats.

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Our Offices

USA

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

UK

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

Hong Kong

6 Duddell Street,
Suite 604
Central, Hong Kong

Japan

Suite 822, 8F Shin, Kokusai Building,
3-4-1 Marunouchi, Chiyoda-ku,
Tokyo, 100-0005

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

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

6 Duddell Street,
Suite 604
Central, Hong Kong

Suite 822, 8F Shin, Kokusai Building,
3-4-1 Marunouchi, Chiyoda-ku,
Tokyo, 100-0005