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).

Seeking a 0.37 Carat F Color VS1 Clarity Premium Cut Round Cut Diamond?

This stone has a VS1 clarity rating to go along with its F color grading, which will give you a diamond with inclusions that detract to a lesser degree from the overall appearance of the diamond.

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Shape: Round

Carat weight: 0.37

Cut: Premium

Color: F

Clarity: VS1

Price: $710

Certificate: GIA

Depth: 60.6%

Table: 56.0%

Polish: Very Good

Symmetry: Very Good

Girdle: Medium to slightly thick

Culet: None

Fluorescence: Medium blue

Measurements: 4.69*4.66*2.83

Item number: 1311489

Click here to see the diamond at James Allen.

Click here to search for other diamonds at James Allen.

Remember to cast a glance over nearby carat sizes around the 0.37 carat weight of this diamond, because in doing so your choices regarding other diamond properties might open up. For any diamond, a price of $710 really places it in the lowest price group of diamonds, especially for engagement rings. If you are a careful online purchaser, then this VS1 clarity diamond is relatively safe bet, because it is unlikely to have any inclusions that are visible to the naked eye.

To the naked eye, this F color diamond by itself appears completely white and pure - there is no way to detect any color in the diamond utilizing just the human eye without nearby diamonds, or to identify the differences between it and others within the colorless range. Because this diamond is a Premium cut diamond, it provides excellent value for money, not attracting the price premium of the higher cut gradings, while still providing decent optical properties.

Girdle thickness (for this diamond the girdle is "Medium to slightly thick") can have an significant role in the size presented by the diamond, which is detailed in my article about girdle thickness.