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).

Tonight's Diamond - 1.30 Carat G Color SI1 Clarity Ideal Cut Round Cut Diamond

An important thing to do when buying an SI1 clarity diamond such as this diamond is to carefully examine the photo to check whether there will be any eye-visible inclusions.

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Shape: Round

Carat weight: 1.3

Cut: Ideal

Color: G

Clarity: SI1

Price: $8360

Certificate: GIA

Depth: 61.8%

Table: 58.0%

Polish: Excellent

Symmetry: Excellent

Girdle: Medium

Culet: None

Fluorescence: None

Measurements: 6.98*7.01*4.33

Item number: 1311185

Click here to see the diamond at James Allen.

Click here to search for other diamonds at James Allen.

The SI clarity group of diamonds (which this SI1 clarity diamond is included in) is the place where bargains are found. Look for a diamond that is "clean" to the naked eye, either by going over the diamond in the flesh, or by looking at an online high resolution photo of the diamond. If you're checking out this diamond and considering whether to improve other characteristics of the diamond which don't affect size, think about downgrading the 1.30 carat size for this diamond to achieve that end.

A G color diamond like this one is a great compromise between extreme white pureness and money considerations. If you've got some money but do not wish to waste it, this is a great color range to look in. For more information on the "Medium" girdle for this diamond, check out the article about girdles. For $8360, if you've done your shopping properly you should have a nice stone; ensure that you are harsh in your judgement when you're looking at this stone.

Although not quite as perfect a cut as Hearts & Arrows, the Ideal cut of this diamond means it is significantly cheaper, because you're not paying a premium for a "perfectly" cut diamond.