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 Diamond - 0.79 Carat G Color SI1 Clarity Ideal Cut Round Cut Diamond

An important thing to do when buying an SI clarity stone such as this one is to make sure of any eye-visible inclusions.

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Shape: Round

Carat weight: 0.79

Cut: Ideal

Color: G

Clarity: SI1

Price: $2740

Certificate: GIA

Depth: 60.6%

Table: 56.0%

Polish: Excellent

Symmetry: Excellent

Girdle: Thin to medium

Culet: None

Fluorescence: Faint

Measurements: 5.98*6.02*3.64

Item number: 1314182

Click here to see the diamond at James Allen.

Click here to search for other diamonds at James Allen.

$2740 will typically allow you to find a good quality diamond, such as this diamond. Although not quite as perfect a cut as Hearts & Arrows, the Ideal cut of this particular diamond means it is significantly cheaper, because you're not forking out money for a "perfectly" cut diamond. By lowering the carat size of this stone (0.79 carats), you may be able to save a few dollars that will go towards other costs. An untrained eye won't notice the color in this G color diamond, except if the stone is held up against a diamond with say a D color rating (for multistone rings this is important).

This diamond has a girdle described as "Thin to medium", which can have a role in the size and sparkle of a diamond, as explained in my diamond girdle article. SI stands for Slightly Included; that means this SI1 stone contains inclusions that are definitely visible at a zoom level of ten times and may often be visible to the naked eye, but which offer the potential for bargains if they're not.