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).

Pick for This Evening 1.70 Carat F Color VS1 Clarity Hearts & Arrows Ideal Cut Round Cut Diamond

This diamond is a VS1 clarity stone, which goes along with its F color grading, which will give you a stone with inclusions that take away to a lesser degree from the overall appearance of the diamond.

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Shape: Round

Carat weight: 1.7

Cut: Hearts & Arrows Ideal

Color: F

Clarity: VS1

Price: $23840

Certificate: AGS

Depth: 62.2%

Table: 56.2%

Polish: Ideal

Symmetry: Ideal

Girdle: Thin to slightly thick

Culet: None

Fluorescence: Negligible

Measurements: 7.60*7.64*4.74

Item number: 1289501

Click here to see the diamond at James Allen.

Click here to search for other diamonds at James Allen.

F color diamonds are usually described as colorless diamonds, being some of the purest white diamonds available for sale. Spending $23840 on a stone nets one a diamond well above the cut, like this one. A tip: sanity check that you're happy spending the money. Girdle thickness (for this diamond the girdle is "Thin to slightly thick") can have an significant role in the size presented by the diamond, which is detailed in my article about girdle thickness. The James Allen company states that the Hearts & Arrows cut is the "ultimate expression of love". Whether that's relevant to you, picking a diamond with this cut grading does indicate is that you are serious about getting the highest possible visual qualities out of the diamond.

Although this VS1 clarity diamond is pretty much guaranteed to be "eye-clean", if you're looking to reduce expenditure, you should check out SI clarity diamonds. You can manually pick a diamond that appears eye-clean in a photo or when seen in the flesh. Put this 1.70 carat size in the right reference frame when you weigh up your buying options - there are going to be other diamonds in the same size range which might offer more with regards to their price and characteristics.