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).

Picked for You: 1.35 Carat F Color VS1 Clarity Ideal Cut Round Cut Diamond

F color VS1 clarity - what else could you want? I don't think so unless you're super fussy, although perhaps a better cost, as there is a price premium associated with getting these good qualities in this diamond.

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Shape: Round

Carat weight: 1.35

Cut: Ideal

Color: F

Clarity: VS1

Price: $13410

Certificate: GIA

Depth: 59.8%

Table: 59.0%

Polish: Excellent

Symmetry: Excellent

Girdle: Thin to medium

Culet: None

Fluorescence: None

Measurements: 7.17*7.22*4.30

Item number: 1330354

Click here to see the diamond at James Allen.

Click here to search for other diamonds at James Allen.

This diamond's Ideal cut rating means it has very good proportions and very good or better polish and symmetry characteristics. F color diamonds are known as colorless diamonds, being some of the purest white diamonds you can get.

To get some additional pointers on the "Thin to medium" girdle of this diamond, check out the article about girdles. Consider whether you're entirely set on the 1.35 carat weight that this diamond is - perhaps you are able to stretch for a bigger diamond. If you are a cautious online purchaser, this VS1 clarity diamond is relatively safe bet, since it is unlikely to have any inclusions that can be seen by the naked eye.

Throwing $13410 towards a stone nets one a diamond well above the cut, such as this diamond. Just be sure that you and your partner are happy spending the money.