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).

1.40 Carat Diamond Actual Size

The image displayed here displays the real diamond size against a hand for a 1.40 carat diamond for a typical woman's hand size. If you don't want to rely entirely on pictures like this, what you can do is measure the width of your finger and compare it with the 7.3 mm average diameter of a 1.40 carat diamond. If you've been stressing about the cost of diamonds but are still really set on getting one, here is one piece of good news - the diamonds invariably appear bigger when put on the hand, especially if her hand is on the smaller side.

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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