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).

This Morning's Find: This 0.71 Carat F Color SI1 Clarity Ideal Cut Round Cut Diamond

The SI1 clarity grading for this diamond provides a large price saving, which is a good thing since the F color grading attracts a premium price tag.

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If you can see the diamond in person or see zoomed in photos of the diamond (like the one 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. This diamond's girdle is "Thin to medium", which can have a impact on the shine and apparently width of a diamond, as written about in my diamond girdle article. If you are checking out this diamond and considering whether to improve another property of the diamond not related to size, think about downgrading the 0.71 carat weight of this diamond. This diamond's $2700 cost is a substantial investment for many people, but it does lead to a superior stone compared to if you were to only spend a few hundred dollars.

The chance in color between any neighbouring colors from the D-E-F range is only detectable in a lab, meaning this F color diamond is not distinguishable when compared with diamonds rated only one color grade differently. While 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.

Shape: Round

Carat weight: 0.71

Cut: Ideal

Color: F

Clarity: SI1

Price: $2700

Certificate: AGS

Depth: 61.8%

Table: 55.5%

Polish: Ideal

Symmetry: Ideal

Girdle: Thin to medium

Culet: Pointed

Fluorescence: None

Measurements: 5.72*5.75*3.55

Item number: 1338285

Click here to see the diamond at James Allen.

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