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).

1.79 Carat Actual Size (Princess Shape)

This page has a handy photo that gives you the apparent size of a 1.79 carat weight princess shape stone, when viewed in place on the hand of a woman. Carat weight isn't the be all and end all - the type of cut will also affect the apparent size of the rock - for a 1.79 carat princess like this one, the size would be around 7.5 mm . As you look to get an idea of how large this 1.79 carat weight princess shape diamond will appear on your or your woman's hand, remember that nothing beats seeing it in person.

Fingers can vary in terms of their apparent width and breadth, which should influence your decision regarding diamond size and shape.

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Months after you've purchased the diamond, you may be pleasantly surprised by how much larger the diamond appears on the female hand, than when viewed by itself .