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).
1.75 Carat Princess Shape Diamond Sizes on Hand
Size does not always mean a lot until you witness it in person - this page uses a hand as "context" for the apparent size of a 1.75 carat weight diamond of princess shape. If you search around on the web to find the actual size of a 1.75 carat weight princess shape diamond, you may notice the numbers will vary slightly - this is due to the fact that the size (7.4 mm for this particular diamond) depends on things like cut as well.
In order to provide you more of an idea of what the picture is showing, the ring pictured is a size six in the US sizing system, which is the same as an L 1/2 ring size in Britain or Australia.
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The size of a female hand vary a lot between women - being in public is evidence enough - so this picture can only show the apparent diamond size for a typical size ring. Consider the ratio between the length and width of your finger - this ratio can play an important role in how massive and suitable a diamond appears when it is slipped in a ring onto the hand.
