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).

0.43 Carat G Color VS1 Clarity Hearts & Arrows Ideal Cut Round Cut Diamond

The clarity rating of VS1 for this stone almost certainly means it will be eye-clean, saving you the trouble of checking the photo too carefully.

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Shape: Round

Carat weight: 0.43

Cut: Hearts & Arrows Ideal

Color: G

Clarity: VS1

Price: $950

Certificate: AGS

Depth: 61.1%

Table: 55.6%

Polish: Ideal

Symmetry: Ideal

Girdle: Thin to slightly thick

Culet: None

Fluorescence: Negligible

Measurements: 4.91*4.92*3.01

Item number: 1287690

Click here to see the diamond at James Allen.

Click here to search for other diamonds at James Allen.

This diamond's ticket price of $950 means it is firmly a member of the least expensive group of stones which are considered for an engagement ring setting. The size of this diamond is 0.43 carats - but make sure you check out the other diamonds for sale with that same 0.43 weight which may have a more desirable combination of properties and price. Usually VS1 clarity diamonds are the most affordable "safe" clarity grading in terms of purchasing online without seeing the diamond - although a lower clarity grading is possible you need to see a high quality photo of the diamond to assess the defects for yourself.

Girdle thickness (for this diamond the girdle is "Thin to slightly thick") can play an important role in the apparent size of the diamond, as is explained in my article about girdle thickness. A G color diamond like this one is a good option balancing extreme white pureness and money considerations. If you've got some money but do not want to waste it, this is a great color range to look in. The Hearts & Arrows cut of this diamond places it in the top 1% of diamonds on the marketplace at the moment in terms of cut quality. This cut is the highest cut sold by James Allen and guarantees the best diamond sparkle.