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).

1.90 Carat Diamond Actual Size

This 1.90 diamond will appear about the size shown in the photo, for an average-sized woman's fingers. This photo shows a size L 1/2 ring (Britain and other countries ), which is the same as a US size 6 . Be aware that illustration such as this one are just that - only illustrative - female hand sizes can vary hugely. The ratio of your ring finger's length and its width will play a pivotal role in how the diamond looks, which you should take into consideration.

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The "first impressions" size of the diamond depends heavily on what it is shown against - the hand - a tiny hand will make the diamond appear significantly larger and vice versa.

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