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).

Check out: 0.90 Carat G Color SI1 Clarity Good Cut Round Cut Diamond

Remembering that the photo is quite magnified, look over it carefully to try and find any big inclusions or defects which are often present in diamonds in the SI clarity range.

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Shape: Round

Carat weight: 0.9

Cut: Good

Color: G

Clarity: SI1

Price: $3460

Certificate: GIA

Depth: 64.2%

Table: 66.0%

Polish: Very Good

Symmetry: Excellent



Fluorescence: None

Measurements: 5.94*5.99*3.83

Item number: 1351363

Click here to see the diamond at James Allen.

Click here to search for other diamonds at James Allen.

At a pricetag of $3460, this diamond sits smack-bang within the normal range of stones used for diamond engagement rings. Place this 0.90 carat size in the right reference frame as you weigh up your purchasing choices - there are for sure other diamonds in the same size range which may offer more with regards to their price and characteristics. The G color of this diamond offers value for your dollar, as it is not one of the expensive premium color grades D-F. This diamond has no girdle properties listed but you are able to consult a sales representative to find out what the situation is.

If want to get the biggest rock for your money, you can reduce any requirements on other properties of the diamond, for example cut. This Good cut diamond is cheaper than higher grade cuts, although at the cost of somewhat inferior optical appearance. If you can view the diamond in person or examine zoomed in photos of the diamond (like the one for this SI1 clarity diamond), this is where bargains can be had - finding an SI1 or SI2 stone which is "eye clean" is a fulfilling experience that pays off in terms of money saved.