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).
1.02 Carat Weight Princess Diamond Shown on a Hand
This page has a useful photo showing you the apparent size of a 1.02 carat weight princess shape stone, when viewed in place on the hand of a woman. Carat weight isn't the be all and end all - the depth of the diamond's cut will also influence the apparent size of the diamond; a diamond like this 1.02 carat one will usually be around 5.5 mm . To give you more of an idea of what the picture is showing, the ring shown is a US size 6, which is equivalent to an L 1/2 ring size in Britain or Australia.
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The apparent size for this 1.02 carat princess-shaped diamond will depend not just on the carat weight but as well on the width to length ratio of the ring finger it is placed on.
