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).

1.30 Carats on Offer Tonight - 1.30 Carat H Color SI1 Clarity Ideal Cut Round Cut Diamond

Most likely you've been searching for SI1 clarity diamonds: odds are this diamond is not the first one you have found in your search to find an eye-clean diamond - your perseverance will pay off!

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Shape: Round

Carat weight: 1.3

Cut: Ideal

Color: H

Clarity: SI1

Price: $7830

Certificate: GIA

Depth: 61.6%

Table: 58.0%

Polish: Excellent

Symmetry: Excellent

Girdle: Medium to slightly thick

Culet: None

Fluorescence: None

Measurements: 6.99*7.02*4.32

Item number: 1326430

Click here to see the diamond at James Allen.

Click here to search for other diamonds at James Allen.

This diamond has a girdle described as "Medium to slightly thick", which plays a role in the shine and apparently width of a diamond, as explained in my diamond girdle article. If you are unsure from the photo of this SI1 clarity diamond whether it is eye-clean, try contacting a James Allen representative and asking them to personally examine the diamond for you - the staff member will give you an honest answer. In analyzing the $7830 cost of this diamond, make sure you consider whether you need all the properties to be as good as they are. This H color diamond is less colored than the lowest normal color ratings of J and below, which means it's a a balance-point between money considerations and quality, enabling you to have more in the other Cs of diamonds such as carat size. Several companies will offer an Ideal cut rating of diamond, and these diamonds are usually (as is the situation here) perfect with respect to proportions and the overall shape.

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 1.30 carat weight of this diamond.

I prefer liberty to chains of diamonds. Mary Montagu .