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).

$4700 Gets You A 0.90 Carat G Color VS2 Clarity Ideal Cut Round Cut Diamond

Here we have a 0.90 Carat G Color VS2 Clarity Ideal Cut Round Cut Diamond, containing 0.90 carats of diamond.

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Shape: Round

Carat weight: 0.9

Cut: Ideal

Color: G

Clarity: VS2

Price: $4700

Certificate: GIA

Depth: 61.0%

Table: 57.0%

Polish: Excellent

Symmetry: Excellent

Girdle: Medium to slightly thick

Culet: None

Fluorescence: None

Measurements: 6.21*6.25*3.80

Item number: 1344686

Click here to search for other diamonds at James Allen.

If you're checking out this diamond and thinking to yourself that you want to improve other characteristics of the diamond not related to size, think about downgrading the 0.90 carat weight for this diamond to achieve that end. To get some additional pointers on the "Medium to slightly thick" girdle for this diamond, check out the article I wrote on girdle thickness. At a price of $4700, this diamond is firmly in the middle range of stones bought for diamond engagement ring settings.