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).

Searching for a 2.67 Carat G Color SI1 Clarity Ideal Cut Round Cut Diamond?

Some buyers on a low budget will usually be searching within the lower color grades - say J, this G color SI1 clarity diamond offers a touch of quality.

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If you are unsure from the photo of this SI1 clarity diamond whether it is eye-clean, you can ask a James Allen representative and asking them to personally assess the diamond and get back to you - they will give you an honest response. This G color diamond is a whiter stone than the bottom normal color ratings of J and below; it's a a balance-point between money considerations and quality, allowing one to have more in the other Cs of diamonds such as carat size. For $31350, if you've done your shopping properly you should have a nice stone, so make sure you're harsh in your judgement when you're looking at this stone. While not quite as perfect a cut as Hearts & Arrows, the Ideal cut of this diamond results in it being significantly cheaper, because you're not paying a premium for a "perfectly" cut diamond. If you look at this 2.67 carat stone and immediately say, "that diamond is too small", consider whether it's possible to compromise by reducing another property, for example clarity in order to go for a bigger diamond.

Girdle thickness (for this diamond the girdle is "Medium, faceted") can play an important role in the apparent size of the diamond, as is explained in my article about girdle thickness.

Shape: Round

Carat weight: 2.67

Cut: Ideal

Color: G

Clarity: SI1

Price: $31350

Certificate: GIA

Depth: 61.8%

Table: 55.0%

Polish: Excellent

Symmetry: Excellent

Girdle: Medium, faceted

Culet: None

Fluorescence: Medium blue

Measurements: 8.89*8.93*5.50

Item number: 1345774

Click here to see the diamond at James Allen.

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