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).
2.58 Carat Weight Princess Diamond Shown on a Hand
This article gives you some concept of how large a 2.58 carat weight princess shape stone will appear when viewed on a typical hand of a woman. Carat weight isn't the be all and end all - the type of cut will also influence the apparent size of the diamond - for a 2.58 carat princess like this one, the size would be around 10.2 mm .
The photo on this page has a ring of L 1/2 ring size; this is around the average size for a female.
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You'll become more knowledgeable looking at diamond sizes online such as this 2.58 carat weight princess shape diamond, but nothing beats seeing it in person. The apparent size for this 2.58 carat weight princess-shaped diamond will depend not just on the carat weight but also on the length to width ratio of the finger the diamond ends up on.
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 .
