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).

0.42 Carat G Color SI1 Clarity Ideal Cut Round Cut Diamond -

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

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Vehement silhouettes of Manhattan - that vertical city with unimaginable diamonds. Le Corbusier .

Shape: Round

Carat weight: 0.42

Cut: Ideal

Color: G

Clarity: SI1

Price: $790

Certificate: AGS

Depth: 60.7%

Table: 55.0%

Polish: Ideal

Symmetry: Ideal

Girdle: Thin to medium

Culet: None

Fluorescence: None

Measurements: 4.84*4.90*2.95

Item number: 1333823

Click here to see the diamond at James Allen.

Click here to search for other diamonds at James Allen.

The girdle of this diamond ("Thin to medium") will have an influence on the overall diamond, and should not be neglected entirely. 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 forking out money for a "perfectly" cut diamond. A G color diamond like this one is a great compromise between white pureness and budgetary considerations. If you have got some dollars to spend but do not want to waste it, this is a great color range to do your searching within. For a diamond, a price of $790 really places it amongst the lowest price group of diamonds, even more so for engagement rings.

Put this 0.42 carat size in perspective as you consider your diamond choices - there are going to be other diamonds in the same size range which may offer more in terms of their price and characteristics.

The SI clarity range (which this SI1 clarity diamond is included in) is the place where bargains are found. Try and find a diamond that appears "clean" to the naked eye, either by examining the diamond in person, or by checking out an online enlarged photo of the diamond.