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 1.85 Carat Princess Shape Diamond
Size doesn't always mean a lot until you witness it in context - this article uses a hand as "context" for the apparent size of a 1.85 carat weight diamond of princess shape. The precise size of a 1.85 carat weight princess shape diamond depends on other factors such as cut, but will typically be around 7.6 mm along one of the straight edges of the diamond. The illustration on this page shows an L 1/2 ring size, which is typical or perhaps on the small side of typical for a female ring.
As you look to get an idea of how large this 1.85 carat weight princess shape diamond will appear on your or your woman's hand, remember that nothing beats seeing it in person.
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Consider the ratio between the length and width of your finger - this ratio will affect how large and suitable a diamond appears when it's slipped in a ring onto the hand.
