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).
1.43 Carat Diamonds
A diamond with a weight of 1.43 carats is equivalent to a 143 point diamond. Don't be fooled into considering only the carat size, because other factors such as the size of the diamonds girdle can significantly impact on the apparent size of the diamond, which is more important than the carat weight (apart from for bragging rights).
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It is health that is real wealth and not pieces of gold and silver. Mahatma Gandhi.
Diamond size means both the carat weight of the diamond and the width of the diamond, and the width of the diamond increases at a much slower rate compared to the carat weight of the diamond.
Don't mix up carat weights of single diamonds with total diamond weights - the mean very different things and mixing them up can trick you when you're considering different prices.
So how good do you think a 10 carat diamond which looks a horrible uneven black colour would appear on an engagement ring? Exactly - diamond buyers need to also consider other properties such as the colour of the stone, which is not picked correctly can negate any attractiveness of having a very large diamond.