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).

What Does a 1.28 Carat, Princess Shape Diamond Look Like on a Hand?

The exact size of a 1.28 carat weight princess shape diamond will vary depending on the depth of cut, but will typically be around 6.1 mm along one of the straight edges of the diamond. To give you more of an idea of what the picture is showing, the ring shown is a size six in the US sizing system, which is the same as an L 1/2 ring size in places like Australia or Britain.

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Later after the diamond is purchased, it's likely you may be pleasantly surprised because the diamond appears larger on a woman's hand than you first thought, compared with when viewed by itself .