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: this 0.79 Carat G Color VS1 Clarity Ideal Cut Round Cut Diamond

If you decide to pay the extra money for qualities in a diamond like this one - VS1 + G - make sure you don't shortchange yourself by getting a poor cut of diamond.

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Shape: Round

Carat weight: 0.79

Cut: Ideal

Color: G

Clarity: VS1

Price: $3280

Certificate: GIA

Depth: 62.7%

Table: 55.0%

Polish: Very Good

Symmetry: Excellent

Girdle: Medium to slightly thick

Culet: Very Small

Fluorescence: None

Measurements: 5.88*5.93*3.70

Item number: 1344680

Click here to see the diamond at James Allen.

Click here to search for other diamonds at James Allen.

This diamond's girdle ("Medium to slightly thick") will have an effect on the overall diamond; don't ignore it completely. Typically VS1 clarity diamonds are the best value "safe" clarity grading in terms of purchasing online without seeing the diamond - although a lower clarity grading is possible you need to see a high quality photo of the diamond to assess the defects for yourself. This diamond's $3280 cost is a major chunk of money for most people, but the tradeoff is a nicer and bigger stone compared to if you were to only spend a few hundred dollars. The G color of this diamond offers value for your dollar, since it isn't one of the expensive premium color grades D-F.

While not quite as perfect a cut as Hearts & Arrows, the Ideal cut of this particular diamond results in it being significantly cheaper, because you're not forking out money for a "perfectly" cut diamond. The size of this diamond is 0.79 carats - be sure to check out the other diamonds for sale with that same 0.79 weight that might have a more desirable combination of properties and price.