Quick and Easy Buying Guide

Carat weight: 1 carat = 200 milligrams = 6.5 mm diameter. Doubling weight doesn't double diameter.

Diamond clarity: FL/IF/VVS/VS = super expensive, near perfect. SI = best value if you can check a photo for obvious inclusions (defects).


Color: D-G = colorless, expensive, only if you have money to burn. H-J = best value. Can go lower in gold metal settings than white metal.

Cut: Better cut ratings let more light into a diamond, making it sparkle more. Very important property, don't skimp here.

Set a budget and minimum cut (Premium). Go J color for gold and I/H for white metals. Go searching for SI1/SI2 clarity diamonds at James Allen. Pick a diamond with small/no inclusions. Choose a ring setting and buy it risk-free (60-day returns).

0.91 Carat Princess Shape Diamond Actual Size

This article gives you an idea of how large a 0.91 carat weight princess shape diamond will appear when seen on a typical female hand. Some advice for how to use the information on this page is to initially narrow down your size range; then you can go into stores and try diamonds out in person, armed with this prior knowledge. Think about the ratio between the width and length of a finger - this ratio will affect how big and suitable a diamond looks when it is slipped in a ring onto the hand.

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If you're a male trying to calculate the right diamond size to buy for your partner, don't forget that the stonewill invariably appear much bigger on the hands of a woman, which are typically smaller.