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).

Pick for This Morning 1.42 Carat F Color VS1 Clarity Ideal Cut Round Cut Diamond

The F color rating for this diamond is suitably paired with the high clarity grading of VS1; this means it has either fewer inclusions or alternatively slightly smaller inclusions than a VS2 stone.

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Girdle thickness (for this diamond the girdle is "Medium") can play an significant role in the size presented by the diamond, as is explained in my girdle thickness article. If you are a careful online buyer, this VS1 clarity diamond is a good safe option, because it is unlikely to have any inclusions that are visible to the naked eye. F color diamonds are very colorless - they are part of the pure white group of diamonds. Weighing up the $14720 cost of this diamond, put in some thought into whether you need all the properties to be as good as they are. Although not quite as perfect a cut as Hearts & Arrows, the Ideal cut of this diamond means it is significantly cheaper, because you're not paying a premium for a "perfectly" cut diamond.

If you eyeball this 1.42 carat stone and immediately say, "that diamond is too small", think about whether you can compromise by lowering other properties, for example color or cut so you can go for a bigger diamond.

Shape: Round

Carat weight: 1.42

Cut: Ideal

Color: F

Clarity: VS1

Price: $14720

Certificate: GIA

Depth: 62.3%

Table: 56.0%

Polish: Excellent

Symmetry: Excellent

Girdle: Medium

Culet: None

Fluorescence: None

Measurements: 7.17*7.23*4.49

Item number: 1326463

Click here to see the diamond at James Allen.

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