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).
Princess Shape, 1.67 Carat Diamond Size on Hand
This page gives you an idea of how large a 1.67 carat size princess shape stone will look when viewed on the female hand. Carat weight doesn't tell the whole story - the type of cut will also affect the apparent size of the diamond - for a 1.67 carat princess like this one, the size would be around 7.2 mm . While this picture will give you an approximate idea of how big a diamond will appear viewed on the female hand, remember that the size of the ring you choose or need could be quite different in size to that shown in this image.
You'll become more knowledgeable looking at diamond sizes online such as this 1.67 carat weight princess shape diamond, but nothing beats seeing it in person.
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The visual size for this 1.67 carat princess-shaped diamond will depend not just on the carat weight but also on the length to width ratio of the ring finger the diamond ends up on.
