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).

0.33 Carat G Color SI1 Clarity Ideal Cut Round Cut Diamond

The key with buying an SI1 clarity stone such as this stone is to carefully examine the photo to check whether there will be any eye-visible inclusions.

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Shape: Round

Carat weight: 0.33

Cut: Ideal

Color: G

Clarity: SI1

Price: $460

Certificate: IGI

Depth: 61.0%

Table: 56.0%

Polish: Excellent

Symmetry: Very Good

Girdle: Thin to medium

Culet: None

Fluorescence: None

Measurements: 4.47*4.50*2.74

Item number: 1334932

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This diamond's pricetag of $460 means it is firmly in the cheapest group of diamonds that are considered for an engagement ring setting. The G color of this diamond provides value for your dollar, as it is not a member of the expensive premium color grades D-F.

If you are checking out this diamond and thinking to yourself that you want to improve other characteristics of the diamond which don't affect size, you may wish to reduce the 0.33 carat weight for this diamond to achieve that end. This diamond's Ideal cut rating indicates it has excellent proportions and very good or better symmetry and polish characteristics. This SI1 clarity stone represents potential great value, with the proviso it is eye clean. You can go over the high resolution photo closely to work out if the diamond looks good from above, which;this is where the diamond will primarly be viewed from.

This diamond's girdle ("Thin to medium") has an effect on the diamond, and should not be neglected entirely.