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).

What Does a 2.12 Carat Diamond Look Like on a Hand?

If you're wondering how big a diamond with a 2.12 carat weight looks on a hand, here's a picture to give you an approximate idea. This 2.12 carat round diamond is 8.4 mm in diameter as shown in the illustration. The ring pictured is an average-sized size six ring; of course, the ring you get could be much larger or smaller than this one. The woman's hand pictured has long and thin fingers - which may not be what yours look like - if your fingers are differently shaped, bear in mind that a diamond engagement ring may look quite different when worn.

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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