Louise Jean logo
Louise Jean logo

All articles

Diamond Ratios

Oval Diamond Ratios

Diamond ratios are calculated by dividing the length of the diamond by the width. For example, if the diamond length is 10.5mm and the width is 8mm, the oval diamond ratio will be 1.3. A low ratio equates to a wider, plumper oval, and a higher ratio

Cushion & Elongated Cushion Diamond Ratios

The ratio is calculated by dividing the length of the diamond by the width. For example, if the diamond length is 10.5mm and the width is 8mm, the diamond ratio will be 1.3. A square cushion has a ratio of 1.00 - it is the same length and width. Elon

Emerald Diamond Ratios

The length-to-width ratio of an emerald-cut diamond determines its overall shape and proportions. A ratio between 1.30 and 1.50 is commonly considered ideal, but personal preference plays a significant role.

Radiant Diamond Ratios

Diamond ratios are calculated by dividing the length of the diamond by the width. For example, if the diamond length is 10.5mm and the width is 8mm, the diamond ratio will be 1.3. A low ratio equates to a wider, plumper radiant, and a higher ratio re

Pear Diamond Ratios

Diamond ratios are calculated by dividing the length of the diamond by the width. For example, if the diamond length is 10.5mm and the width is 8mm, the diamond ratio will be 1.3. . A lower ratio equates to a wider, plumper pear, and a higher ratio r

Marquise Diamond Ratios

Diamond ratios are calculated by dividing the length of the diamond by the width. For example, if the diamond length is 10.5mm and the width is 8mm, the diamond ratio will be 1.3. A lower ratio equates to a wider, plumper marquise, and a higher ratio

Round Diamond Ratio

Diamond ratios are calculated by dividing the length of the diamond by the width. Round diamonds should be equal in their length and width, and will therefore have a ratio of 1.0. For excellent cut round diamonds, a ratio up to 1.01 is acceptable. Th

Asscher Diamond Ratio

Diamond ratios are calculated by dividing the length of the diamond by the width. Asscher diamonds are typically square and symmetrical in shape. They should be equal in their length and width, and will therefore have a ratio of 1.0 or close to. For