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 0.17 Carat Princess Shape Diamond Size on Hand
This page provides you with an idea of how big a 0.17 carat weight princess shape stone will look when seen on a typical female hand. A princess shape diamond with a carat weight of 0.17 is usually about 3.1 mm long on a side, although this can depend on the depth of the cut.
While this picture will give you an approximate idea of how big a diamond will seem when viewed on the hand, remember that the ring size you pick or need could be quite different in size to that shown in this image.
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Fingers can vary in terms of their apparent width and breadth, which should factor in to your decision about what shape and size of diamond to get.
Diamonds almost always look larger when you move them onto a woman's hand - so try to ask a woman in the shop to put one on rather than putting it on your hand, which is probably much larger.
