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).
2.17 Carat Diamonds
A diamond with a size of 2.17 carats weighs in normal everyday weight units exactly 434 mg. The diameter of a 2.17 carat diamond is approximately 8.48 mm.
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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. Diamonds with a size of 2.17 carats are aplenty, but diamonds with a size of 2.17 carats and all the other desirable properties of the diamond are not so common - so don't forget to think about these other properties.
Some days are diamonds Some days are stones Sometimes the hard times won't leave me alone Sometimes the cold wind blows a chill in my soul Some days are diamonds, some days are stone. Neil Diamond .
God forbid that this should be a problem for anyone, but it may be that the diamond, once it actually put on the fiance's hand, may appear to be too big and unwieldy. Make sure to take this into account when you're shopping around. Some unethical store assistants will talk about average diamond size in trying to pressure couples into buying a diamond ring more expensive than they can afford - even though the average is around half carat, you should be buying a diamond based on what you can afford, and what you as a couple would feel comfortable buying.
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. 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.