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).

1.72 Carat F Color SI1 Clarity Ideal Cut Round Cut Diamond

This stone couples a true colorless color rating (F color) with a budget clarity rating of SI1.

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Shape: Round

Carat weight: 1.72

Cut: Ideal

Color: F

Clarity: SI1

Price: $15850

Certificate: GIA

Depth: 62.4%

Table: 58.0%

Polish: Excellent

Symmetry: Very Good

Girdle: Thin to medium

Culet: None

Fluorescence: None

Measurements: 7.60*7.70*4.77

Item number: 1339592

Click here to see the diamond at James Allen.

Click here to search for other diamonds at James Allen.

Think about whether you're entirely set on the 1.72 carat weight that this diamond is - or whether you can extend a bit more for a slightly larger stone. This diamond's Ideal cut rating means it has very good proportions and very good or better polish and symmetry characteristics.

In analyzing the $15850 cost of this diamond, make sure you consider whether you need all the properties to be as good as they are. F color diamonds are usually described as colorless diamonds, being some of the purest white diamonds you can get. Girdle thickness (for this diamond the girdle is "Thin to medium") can play an important role in the apparent size of the diamond, as is explained in my article about girdle thickness. If you can view the diamond in the flesh or examine high quality photos of the diamond (like the photo for this SI1 clarity diamond), this is where the most valuable deals are to be found - identifying an SI1 or SI2 stone which is "eye clean" is a satisfying experience that translates to less dollars spent.