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).

3.07 Carat G Color SI1 Clarity Ideal Cut Round Cut Diamond

This diamond has an interesting coupling of a quite good color rating of G, coupled with an occasionally dodgy SI1 clarity grading - this means you need to check the clarity yourself in the photo.

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Although not quite as perfect a cut as Hearts & Arrows, the Ideal cut of this particular diamond means it is significantly cheaper, because you're not forking out money for a "perfectly" cut diamond. The SI clarity range (which this SI1 clarity diamond is included in) is the place where bargains are found. Look for a diamond that appears "clean" to the naked eye, either by examining the diamond in the flesh, or by checking out an online high resolution photo showing the stone. Remember to have a look at nearby carat sizes around the 3.07 carat weight of this diamond, because in doing so your choices regarding other diamond properties may open up. To get some additional pointers on the "Medium to slightly thick" girdle for this diamond, check out the article I wrote on girdle thickness. The G color of this diamond provides great value, as it isn't a member of the expensive premium color grades D-F.

Spending $36390 towards a diamond gets you a well above average diamond, like this one. Just be sure that you and your partner are happy spending the money.

Shape: Round

Carat weight: 3.07

Cut: Ideal

Color: G

Clarity: SI1

Price: $36390

Certificate: GIA

Depth: 63.0%

Table: 55.0%

Polish: Excellent

Symmetry: Excellent

Girdle: Medium to slightly thick

Culet: None

Fluorescence: Strong

Measurements: 9.25*9.28*5.84

Item number: 1335301

Click here to see the diamond at James Allen.

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