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).

0.86 Carat Diamond Actual Size

If you are hesitant to put too much stock in a simple picture, what you can do is measure the width of your finger and compare it with the 6.2 mm mean diameter for a diamond of size 0.86 carats. 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 apparent size of the diamond and ring will vary depending on whether you have thick or thin digits, as well as by their length.

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The apparent size of the diamond is influenced by what it is shown against - her hand - a tiny hand will cause the diamond to appear significantly larger and vice versa.

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