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 1.42 Carat, Princess Shape Diamond Look Like on a Hand?

If you search around on the web to find the actual size of a 1.42 carat weight princess shape diamond, you may pick up that the numbers will vary slightly - this is due to the fact that the size (6.5 mm for this 1.42 carat diamond) can depend on the cut, not just the carat weight. If you've got a ring around the house and you know what it's size is, use it to compare with the US size 6 ring pictured - this will assist you in getting a better idea of the diamond size in the picture. Photos can sometimes be a little dependent on the viewer - this one is pretty clear cut, but remember viewing the stone in person will give you a very different judgement of size to viewing it on the internet.

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Fingers can vary in terms of their apparent width and breadth, which should influence your decision about what shape and size of diamond to get. There's no need to freak out if diamonds and the costs 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.