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).

1.26 Carat G Color SI1 Clarity Ideal Cut Round Cut Diamond

The key with buying an SI clarity diamond such as this one is to carefully examine the photo to check whether there will be any eye-visible inclusions.

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Shape: Round

Carat weight: 1.26

Cut: Ideal

Color: G

Clarity: SI1

Price: $8100

Certificate: GIA

Depth: 62.3%

Table: 56.0%

Polish: Excellent

Symmetry: Excellent


Culet: None

Fluorescence: None

Measurements: 6.91*6.93*4.31

Item number: 1339596

Click here to see the diamond at James Allen.

Click here to search for other diamonds at James Allen.

Many different companies will offer an Ideal cut diamond cut grading, and these diamonds are almost always (as is the case here) perfect with respect to proportions and the overall shape. For $8100, if you've done your shopping properly you should have a nice stone, so make sure you're harsh in your judgement as you look at this stone.

This diamond has no girdle properties listed but you are able to consult a diamond rep to find out what the situation is. The G color of this diamond offers value for your dollar, as it isn't a member of the expensive premium color grades D-F. Place this 1.26 carat size in the right reference frame when you consider your diamond options - there are for sure other stones in the same size range that can provide more in terms of their price and characteristics. If you are unsure from the photo of the SI1 clarity diamond on this page whether the diamond is eye-clean, try contacting a James Allen sales rep and asking them to specially examine the diamond for you - they will give you an honest answer.