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).
1.06 Carat Diamonds
Each carat in a 1.06 carat diamond is equivalent to 106 points, so a 1.06 carat diamond is the same as a 106 point diamond.
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1.06 carats in a diamond gets you around 6.66 mm of diamond, give or take.
Searching for diamonds will often reveal many possible candidates and one way to help differentiate among them is to work out the costs per carat value for each diamond. The apparent size of a diamond does not increase at the same rate as the diamond's carat size, leading to confusion quite often in stores.
Something that can catch out men searching for a diamond for an engagement ring is forgetting to take into account where the diamond will eventually be displayed - on a woman's hand, which is usually quite a bit smaller than a man's hand. There's a lot of hearsay on the internet about the average size of a diamond used in a typical diamond engagement ring - it's around half carat - but that of course doesn't give you any information about the typical clarity or colour of the diamond, and that in itself should tell you how useless that statistic is in isolation.
A major rookie mistake in buying a diamond ring is to get the total diamond weight (tdw) and the weight of the centre diamond mixed up - make sure you don't make this mistake.
Performance stands out like a ton of diamonds. Non performance can always be explained away. Harold S. Geneen .
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.