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).

Seeking a 0.40 Carat F Color SI1 Clarity Premium Cut Round Cut Diamond?

Don't try and assess diamond color from a photo - there's no need, as it's an F color - but you should be looking at the photo to check whether its SI1 clarity grading is because of any large defects and inclusions.

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Shape: Round

Carat weight: 0.4

Cut: Premium

Color: F

Clarity: SI1

Price: $650

Certificate: GIA

Depth: 62.9%

Table: 57.0%

Polish: Very Good

Symmetry: Very Good

Girdle:

Culet:

Fluorescence: None

Measurements: 4.69*4.72*2.96

Item number: 1346063

Click here to see the diamond at James Allen.

Click here to search for other diamonds at James Allen.

We shall find peace. We shall hear angels, we shall see the sky sparkling with diamonds. Anton Chekhov .

The difference between any adjacent colors in the D-E-F range is only detectable in a lab, with the significance that this F color diamond is not distinguishable from diamonds rated only one color grade differently. Spending only $650 on the diamond, one will be able to save more cash to use for other costs such as the wedding. There is a blank in the girdle description for this diamond - it is possible for a diamond to have no girdle, known as a knife-edge girdle.

If you look at this 0.40 carat stone and immediately say, "that carat size is too small", think about whether you can compromise by reducing other properties, for example color or cut so you can go for a bigger diamond. The visual appearance of this diamond will be quite good because of its Premium cut, although not quite as good as the more expensive higher cut grades.

If you are not certain from the photo of the SI1 clarity diamond on this page whether the diamond is eye-clean, try contacting a James Allen representative and requesting them to personally examine the diamond and get back to you - they will give you an honest answer.