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).

Selected for You: 1.27 Carat G Color SI1 Clarity Ideal Cut Round Cut Diamond

Because the photo here is at high magnification, you can slowly examine it to try and find any big inclusions or defects that are often seen on diamonds in the SI clarity range.

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This diamond's Ideal cut rating means it has excellent proportions and very good or better symmetry and polish characteristics. The G color of this diamond provides great value, as it is not one of the expensive premium color grades D-F.

The size of this stone is 1.27 carats - be sure to look for the other diamonds for sale with a similar 1.27 weight which may have a better combinations of properties and price. Do not neglect properties beside the four Cs, such as girdle thickness - which can be important due to reasons outlined in the article on girdles on this website.

This SI1 clarity diamond is a potential great bargain, providing it is eye clean. You can go over the high resolution photo closely to work out if the diamond presents well from on top, which;this is where the diamond will primarly be seen from. For $7760, if you've done your shopping properly you should have a nice stone; ensure that you are plenty critical when you're looking at this stone.

Shape: Round

Carat weight: 1.27

Cut: Ideal

Color: G

Clarity: SI1

Price: $7760

Certificate: GIA

Depth: 62.9%

Table: 56.0%

Polish: Excellent

Symmetry: Excellent

Girdle: Medium to slightly thick

Culet: None

Fluorescence: None

Measurements: 6.89*6.92*4.34

Item number: 1304696

Click here to see the diamond at James Allen.

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