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 1.72 Carat Princess Shape Diamond Size on Hand
Size does not always mean a lot until you see it in person - this page uses a hand as "context" to simulate the apparent size of a 1.72 carat weight diamond with a princess shape. Carat weight isn't the be all and end all - the depth of the diamond's cut will also affect the apparent size of the diamond - for a 1.72 carat princess like this one, the size would be around 7.3 mm .
Some advice for how to use the information on this page is to initially narrow down your size range; then you can go into stores and actually try a few different sized princess shape diamond rings on, armed with this prior knowledge. Digits can vary in terms of their apparent width and breadth, which should influence your decision about what shape and size of diamond to get.
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Months after you've purchased the diamond, you might be pleasantly surprised by how much larger the diamond appears on the female hand, than when viewed by itself .
