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).
2.63 Carat Actual Size (Princess Shape)
This page gives you some concept of how big a 2.63 carat size princess shape stone will appear when viewed on a typical female hand. Carat weight doesn't tell the whole story - the type of cut will also play a role in the apparent size of the diamond - for a 2.63 carat princess like this one, the size would be around 11.1 mm . If you've got a ring around the house and you know the size, you can compare it to the US size six ring shown in the image on this page - this will help you get a better idea of the diamond size in the picture.
As you look to get an idea of how large this 2.63 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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Consider the ratio between the length and width of a finger - this ratio will affect how big and appropriate a diamond looks when it's finally placed on the finger.
