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).

Actual Diamond Size of a 1.48 Carat Diamond

If you're thinking about how large a diamond with a 1.48 carat weight appears when worn, take a look at this picture which provides a visual guide to this diamond's size. A typical round diamond with a 1.48 carat size has a diameter of 7.5 mm; bear in mind that this can change depending on the cut. I have used the most common engagement ring size, which is size 6, for the illustration; this ring size has an internal diameter of 16.5 mm or 0.65 inches.

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The ratio of the length of your ring finger and its width will play an important role in how the diamond looks, which you should take into consideration.

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