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).

1.35 Carat Actual Size (Princess Shape)

Size does not always mean a lot until you witness it in person - this page provides a hand as "context" for the apparent size of a 1.35 carat size diamond with a princess shape. Carat weight doesn't tell the whole story - the depth of the diamond's cut will also affect the apparent size of the rock; a diamond like this 1.35 carat one will usually be around 6.3 mm . The picture in this page has a ring of L 1/2 ring size, which is typical or perhaps on the small side of typical for a female ring.

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Long slender fingers will change how a diamond appears as much as the carat size of the diamond - so look beyond just considering the 1.35 carat weight of this princess diamond.