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).
2.33 Carat Princess Shape Diamond Actual Size
Size doesn't always mean much until you see it in person - this article uses a human hand as "context" for the apparent size of a 2.33 carat weight diamond of princess shape. A princess shape stone with a carat size of 2.33 is typically about 8.2 mm long on a side, although this can depend on the depth of the cut. If you have got a ring in your possession and you know what it's size is, you can compare it to the US size 6 ring shown in the image on this page - this will help you get a concrete idea of the diamond size in the picture.
Photos can sometimes be a little dependent on the viewer - this one is pretty clear cut, but remember viewing the diamond in person will give you a very different judgement of size to examining it on the internet.
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Digits can vary in terms of their apparent width and breadth, which should influence your decision regarding diamond size and shape.
