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).
What Does a 1.21 Carat, Princess Shape Diamond Look Like on a Hand?
Carat weight doesn't mean much until you witness it in person - this page uses a human hand as "context" to simulate the apparent size of a 1.21 carat weight diamond with a princess shape. The precise size of a 1.21 carat size princess shape diamond will vary depending on the depth of cut, but will typically be around 5.9 mm along one square edge. While this picture will give you some concept of how large a diamond will appear viewed on the female hand, remember that the ring size you choose or need could be quite different in size to that shown in this image.
The dimensions of a woman's hand can vary hugely - being in public is evidence enough - so this picture can only provide the apparent diamond size for a typical size ring.
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Digits can be all different sizes, which should factor in to your decision regarding diamond size and shape.
Later after the diamond is purchased, it's likely you might be pleasantly surprised by how much larger the diamond appears on the female hand, than when viewed by itself .
