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).

0.64 Carat Diamond Actual Size

This 0.64 diamond will appear about the size shown in the image, on a typical woman's hand. Your fingers could be significantly larger or smaller than the ones of the woman in the illustration, which are on the slim side - be sure to keep this in mind when you're looking at the picture. The visual size of the diamond and ring will vary depending on whether you have thin or thick digits, and also depends on the length of your fingers. If you've been stressed about how expensive diamonds are but are still really set on getting one, here is one piece of good news - the diamonds invariably look bigger when placed on a hand, especially if her hand is small and petite.

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Go searching for diamonds this size at James Allen by clicking on the banner below and dragging the carat slider to the appropriate setting:

Actual Diamond Photos from JamesAllen