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).

1.70 Carat Actual Size (Princess Shape)

This page provides you with an idea of how large a 1.70 carat weight princess shape diamond will appear when seen on the hand of a woman. The dimensions of a woman's hand can vary hugely - being in public is evidence enough - so this picture can only provide the apparent diamond size for one particular ring size. If you're a male trying to work out the right size of diamond to get your partner, remember that the stonewill usually appear much bigger on her smaller, more petite hands.

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