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).

1.52 Carat Actual Size

An average round diamond with a 1.52 carat size has a diameter of 7.5 mm; bear in mind that this can change depending on the cut. The ring shown in the picture is a US size six, which is equivalent to an L 1/2 ring size in places such as Britain and Australia. Be careful of reading too much into just a picture - a picture alone won't be entirely representative of every finger and hand type - you are best advised to get a bit of an idea in store with an actual ring. Also take into account the length and breadth of your fingers.

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Go searching for diamonds this size at James Allen by clicking on the banner below and dragging the carat slider to the appropriate setting:

Actual Diamond Photos from JamesAllen