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).

Actual Size of 0.43 Carat Diamond

This 0.43 diamond will look about the size indicated in the picture, for a typical woman's fingers. If you don't want to rely entirely on pictures like this, what you can do is measure the size of your finger and compare it to the 4.9 mm mean diameter for a 0.43 carat diamond. The ring pictured is an average-sized size 6 ring, but bear in mind the ring you get could be significantly larger or smaller.

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The ratio between your ring finger's length and the width of your finger can play an important role in the final appearance of a diamond on your hand. If you've been stressing about how expensive diamonds are but are still really set on getting one, here is one piece of good news - the diamonds often appear bigger when put on a hand, especially if her hand is small and petite.

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