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).

0.51 Carat H Color VS2 Clarity Ideal Cut Round Cut Diamond

This H color, 0.51 carat diamond is an excellent option for someone searching for a combination of value and whiteness.

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If you're a careful online purchaser, this VS2 clarity diamond is a good safe option, because it is unlikely to have any inclusions that can be seen by the naked eye. This diamond's pricetag of $1330 puts it firmly in the cheapest group of diamonds that might be used in an engagement ring setting. This diamond's Ideal cut rating indicates it has excellent proportions and very good or better symmetry and polish ratings.

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

Shape: Round

Carat weight: 0.51

Cut: Ideal

Color: H

Clarity: VS2

Price: $1330

Certificate: AGS

Depth: 62.1%

Table: 55.2%

Polish: Ideal

Symmetry: Ideal

Girdle: Thin to slightly thick

Culet: Pointed

Fluorescence: None

Measurements: 5.11*5.14*3.18

Item number: 1338527

Click here to see the diamond at James Allen.

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In the age of acorns, before the times of Ceres, a single barley-corn had been of more value to mankind than all the diamonds of the mines of India. Henry Brooke .