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).

Found: a 0.34 Carat F Color VS1 Clarity Good Cut Round Cut Diamond

F color VS1 clarity - what else could you want? Not much I think, except perhaps a better cost, as there will be a price premium resulting from getting such nice qualities found in this stone.

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Shape: Round

Carat weight: 0.34

Cut: Good

Color: F

Clarity: VS1

Price: $650

Certificate: GIA

Depth: 63.5%

Table: 57.0%

Polish: Very Good

Symmetry: Very Good


Culet: None

Fluorescence: None

Measurements: 4.43*4.45*2.82

Item number: 1350906

Click here to see the diamond at James Allen.

Click here to search for other diamonds at James Allen.

The difference between any neighbouring colors in the D-E-F range is only detectable in a lab, meaning this F color diamond is not distinguishable from diamonds rated one color either side of it. Girdle thickness (for this diamond the girdle is "") can have an important role in the size presented by the diamond, as is explained in my article about girdle thickness. Consider if you are really set on the 0.34 carat weight that this diamond is - or whether you can extend a bit more to buy a larger rock.

If you are buying blind online, then VS1 clarity is really the minimumclarity rating you can go for without carrying a significant risk of getting a diamond with visible inclusions. This diamond's pricetag of $650 puts it firmly a member of the least expensive group of diamonds which are considered for an engagement ring setting. The Good cut of this stone is the bottom cut grading sold by James Allen. However, if your diamond searching goals emphasize other qualities such as diamond color , then this is probably a compromise you're willing to make.