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).
2.30 Carat Princess Shape Size on Hand
This page gives you an idea of how large a 2.30 carat size princess shape diamond will look when viewed on a typical female hand. Photos can sometimes be notoriously deceptive - this one is pretty clear cut, but remember seeing the stone in person will give you a totally different judgement of size to examining it on the web.
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If you're a male trying to calculate the appropriate diamond size to buy for your other half, remember that the stonewill invariably appear much bigger on the hands of a woman, which are typically smaller.
