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 1.27 Carat, Princess Shape Diamond Look Like on a Hand?
The image shown on this webpage shows the approximate width of a 1.27 carat weight princess shape diamond on the thing that will ultimately be important - a female hand. A princess shape stone with a carat weight of 1.27 is usually about 6.1 mm long on a side, although this can depend on the depth of the cut. To give you more of an idea of what the picture is showing, the ring shown is a size six in the US sizing system, which is equivalent to an L 1/2 ring size in places like Australia or Britain.
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If you're a male trying to calculate the right diamond size to buy for your partner, remember that the stonewill invariably look a lot larger on the hands of a woman, which are typically smaller.
