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).
Actual Diamond Size of a 1.50 Carat Princess Shape Diamond
Size does not mean much until you witness it in person - this article provides a human hand as "context" for the apparent size of a 1.50 carat weight diamond of princess shape. If you search around on the web to find the actual size of a 1.50 carat weight princess shape diamond, you may pick up that the numbers will vary slightly - this is due to the fact that the size (6.7 mm for this particular diamond) can depend on the cut, not just the carat weight. To give you more of an idea of what's in this image, the ring shown is a size six in the US sizing system, which is the same as an L 1/2 ring size in Britain or Australia.
Long slender fingers will change how a diamond looks as much as the diamond's carat weight - so consider other factors as well as the 1.50 carat weight of this princess stone.
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Some of my readers are men - if this is you and you're trying to work out the appropriate diamond size to get your partner, don't forget that the stonewill invariably look much larger on her smaller, more petite hands.
