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 1.39 Carat Diamond Size on Hand
A typical round stone with a 1.39 carat size has a diameter of 7.3 mm, although this can change depending on the cut. Be aware that image like this one are limited in what they can show - female hand sizes will vary quite a bit.
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The ratio of your ring finger's length and the width of your finger can play an important role in the final appearance of a diamond on your hand.
Go searching for diamonds this size at James Allen by clicking on the banner below and dragging the carat slider to the appropriate setting:
