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).

$12580 Gets One A 1.57 Carat F Color SI1 Clarity Premium Cut Round Cut Diamond

No need to go up to a VVS1 clarity rating - the SI1 clarity of this stone is plenty sufficient, but be sure that the diamond presents as eye-clean; this can be determined using the photo.

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Shape: Round

Carat weight: 1.57

Cut: Premium

Color: F

Clarity: SI1

Price: $12580

Certificate: GIA

Depth: 62.8%

Table: 60.0%

Polish: Very Good

Symmetry: Very Good

Girdle: Slightly thick to thick, faceted

Culet: None

Fluorescence: Faint

Measurements: 7.37*7.32*4.61

Item number: 1333289

Click here to search for other diamonds at James Allen.

The Premium cut quality of this diamond provides a good balance between cut rating and diamond cost. Put this 1.57 carat weight in the right reference frame when you consider your purchasing choices - there are going to be other stones of about the same size that may offer more in terms of their price and properties. Girdle thickness (for this diamond the girdle is "Slightly thick to thick, faceted") can have an important role in the apparent size of the diamond, which is detailed in my girdle thickness article.

F color diamonds are known as the colorless diamonds, amongst the purest white diamonds available for sale. If you can view the diamond in person or see high quality photos of the diamond (like the one for this SI1 clarity diamond), this is where bargains can be had - finding an SI1 or SI2 stone that is "eye clean" is a satisfying experience that translates to less dollars spent.

Throwing $12580 on a diamond gets you a well above average diamond, such as this diamond. Just be sure that you and your partner are happy spending the money.