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).
2.66 Carat Princess Shape Diamond Sizes on Hand
The picture on this webpage illustrates the ballpark width of a 2.66 carat weight princess shape diamond on the hand of a woman. When searching on the web for princess shape diamond sizes, you may notice the numbers are slightly different across different sites - this is due to the fact that the size (11.7 mm for this 2.66 carat diamond) can depend on the cut, not just the carat weight.
The size of a female hand vary a lot between women - being in public is evidence enough - so this picture can only provide the apparent diamond size for one particular ring size. Digits can vary in terms of their apparent width and breadth, which should influence your decision regarding diamond size and shape.
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Months after you've purchased the diamond, you may be pleasantly surprised because the diamond appears larger on a woman's hand than you first thought, compared with when viewed by itself .
