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).

0.87 Carat Diamond Actual Size

If you're wondering how big a diamond with a 0.87 carat weight appears when worn, take a look at this picture to give you an approximate idea. I have used the most common engagement ring size, which is size six, in the image, which has an internal diameter of 16.5 mm or 0.65 inches. A person's fingers could be significantly larger or smaller than the ones shown in the illustration, which are on the slim side - keep in mind yours probably look quite different. The apparent size of the diamond and ring can be affected by whether you have thick or thin digits, as well as by their length.

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Try and avoid making the mistake I made of examing a potential diamond engagement ring placed on my own, large male finger - remember that it is ending up on a generally smaller and more delicate female hand, which will make the diamond appear significantly larger.

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