Eugene Biro

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Diamond Buying Guide

Pear Shape

ency_pear.gif (5801 bytes) Approximate carat weight of a Pear Shape diamond=Length x Width x Depth x 0.0062

The above weight formula provides an estimate. The actual weight may vary up to 10%, depending on the make, girdle thickness, and accuracy of the measurement tools.

A nice make for a Pear Shape diamond is a 1.5:1 ratio. 1.8:1 is considered long, and 1.3:1 is considered to be too fat. (See Table and Depth Percentage Formulas.)

Oval Shape

ency_oval.gif (6042 bytes) Approximate carat weight of an Oval Cut diamond=Length x Width x Depth x 0.0067

The above weight formula provides an estimate. The actual weight may vary up to 10%, depending on the make, girdle thickness, and accuracy of the measurement tools.

A nice make for an Oval Cut diamond is a 1.5:1 ratio. 1.7:1 is considered long, and 1.3:1 is considered to be too fat. (See Table and Depth Percentage Formulas).

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