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).

1.58 Carat Actual Size

The illustration shown on this page displays the actual diamond size against a hand of a 1.58 carat diamond for a typical woman's hand size. If you don't want to rely entirely on pictures like this, you can measure the width of your finger and compare it with the 7.6 mm mean diameter for a diamond of size 1.58 carats. This picture displays a size L 1/2 ring (British and Australia), which is equivalent to a US size six . Be aware that illustration like this one are just that - only illustrative - female hand sizes will vary quite a bit.

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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