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).
2.98 Carat Diamonds
Each carat in a 2.98 carat diamond is equivalent to 298 points, so a 2.98 carat diamond is the same as a 298 point diamond.
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When you see a 2.98 carat diamond, expect to see about 9.43 mm worth of diamond. What many people don't realise is that a 9.43 mm wide diamond can be a range of weights, not just exactly 5 carats, because the diamond can vary in depth.
For me the diamond dawns are set. In rings of beauty. John Townsend Trowbridge .
To help you analyse your various diamond options, one measure you can use is the cost per carat measure. 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.
How much of a change do you think you can detect with the naked eye by going from a 2.00 carat stone to a 1.98 carat stone? I can't, which is why i would recommend checking out the slightly smaller stones due to them often being priced a lot lower than the others, for no really good reason. 2.98 carats specifies a certain size of diamond, but what about all the other properties of the diamond? Seasoned diamond buyers make sure to pay attention to all the properties of the diamond when the searching for that perfect stone, in order to make a balanced purchase which isn't just dominated by size considerations.
There are no firm statistics that are universally applicable, but it is generally agreed that the average size of a diamond is around a third of the carat, perhaps a little more.
Carat size is only one that property out of a number that you should be considering. You should also consider a diamond other properties such as cut, because this will have a drastic effect on how well the diamond sparkles.