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).

0.30 Carat Princess Shape Diamond Actual Size

This article provides you with an idea of how large a 0.30 carat weight princess shape diamond will appear when seen on a typical hand of a woman. A princess shape stone with a carat size of 0.30 is usually about 4.0 mm long on a side; this can of course vary depending on cut. Pictures can sometimes be a little dependent on the viewer - this one is pretty clear cut, but don't forget viewing the stone in person will give you a very different judgement of size to viewing it on the internet.

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Long slender fingers will change how a diamond appears just as much as the carat size of the diamond - so look beyond just considering the 0.30 carat weight of this princess stone. Don't stress if diamonds and the dollars involved are getting you down; since a diamond will most likely appear bigger on a woman's hand, the diamond size you need may be smaller than you think.