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).

Looking for a 0.37 Carat F Color SI1 Clarity Premium Cut Round Cut Diamond?

There's nothing you can tell about this diamond's color from a photo - and there is no need, since the diamond is an F color - but you should be looking at the photo to check whether its SI1 clarity rating is due to any large defects and inclusions.

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Shape: Round

Carat weight: 0.37

Cut: Premium

Color: F

Clarity: SI1

Price: $600

Certificate: GIA

Depth: 63.4%

Table: 58.0%

Polish: Very Good

Symmetry: Very Good

Girdle: Slightly thick to thick

Culet: None

Fluorescence: None

Measurements: 4.55*4.51*2.87

Item number: 1333788

Click here to see the diamond at James Allen.

Click here to search for other diamonds at James Allen.

To the unassisted human eye, this F color diamond standing alone appears completely white and pure - there isn't a method to detect traces of color in it using only the human eye without nearby diamonds, or to identify the differences between it and others within the colorless range. This diamond's pricetag of $600 means it is firmly in the cheapest group of stones that are considered for an engagement ring setting. SI is short for for Slightly Included; that means that this SI1 stone has inclusions which are certainly visible at a zoom level of ten times and possibly to the naked eye, but which offer the opportunity for significant price discounts if they are not.

If you eyeball this 0.37 carat stone and immediately say, "that carat size is too small", ponder whether it's possible to compromise by lowering another property, for example color or cut in order to get for a bigger diamond. This diamond's girdle ("Slightly thick to thick") has an influence on the diamond; don't ignore it completely.

The visual appearance of this diamond will be good because of its Premium cut, although not quite as good as the more costly higher-rated cut grades.