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 Sizes of a 2.24 Carat Diamond
If you are hesitant to put too much stock in a simple picture, you can measure the size of your finger and compare it to the 8.6 mm average diameter of a diamond of size 2.24 carats. I've used the most common engagement ring size, which is size 6, in the image; this ring size has an internal diameter of 0.65 inches of 16.5 mm. A person's fingers may be significantly larger or smaller than the ones of the woman in the image, which are on the slim side - keep in mind yours probably look quite different. Also take into account the width and overall length 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:
