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).
2.02 Carat Weight Princess Diamond Shown on a Hand
The picture on this webpage illustrates the ballpark width of a 2.02 carat weight princess shape diamond on the thing that will ultimately be important - a female hand. Carat weight isn't the be all and end all - the type of cut will also play a role in the apparent size of the rock; a diamond like this 2.02 carat one will usually be around 7.8 mm typically.
Fingers can vary in terms of their apparent width and breadth, which should factor in to your decision regarding diamond size and shape.
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There's no need to freak out if diamonds and the dollars involved are getting you down - because the diamond will appear larger on her hand, you may not need to spend as much to get your desired effect.
