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).
0.45 Carat Princess Shape Size on Hand
This article has a useful photo showing you the apparent size of a 0.45 carat size princess shape diamond, when it's actually on a typical woman's hand. 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 rock; a diamond like this 0.45 carat one will usually be around 4.7 mm typically. This picture will no doubt give you an approximate idea of how massive a diamond will seem when viewed on the female hand, remember that the size of the ring you choose or need may be significantly larger or smaller than the size 6 in the picture.
As you look to get an idea of how large this 0.45 carat weight princess shape diamond will appear on your or your woman's hand, remember that nothing beats seeing it in person.
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Fingers can vary in terms of their apparent width and breadth, which should influence your decision regarding diamond size and shape. Diamonds are often magically "bigger" when you place them on a woman's hand; because of this fact, make sure you ask a woman in the shop to put one on rather than putting it on your own male hand.
