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).
0.07 Carat Diamonds
Each carat in a diamond is equivalent to 200 mg, so this 0.07 carat diamond weighs 14 mg.
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The width of a diamond with a weight of 0.07 carats is about 2.66 mm. How big a diamond appears does not scale linearly with the carat weight of the diamond, which catches many people out.
The story of Harold Ross, the New Yorker and me is a mere footnote to the story of our time, and we might as well face the truth that to researchers of the future, poking about among the ruins of time, we shall all be tiny glitters. But then, so are diamonds. James Thurber .
Can you tell the difference between a 0.49 and a half carat diamond? Didn't think so. But there can often be quite a significant price difference - so use this fact to your advantage. Ever looked at a similar carat size of diamond and another gemstone and wondered why the stones appeared so different in size? This is undoubtedly because different types of stones have different specific gravity densities, leading to this discrepancy in size.
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. Depending on personal preference, people may choose to get a smaller diamond in order to get a higher colour grade, such as d, e or f. It's heartening to know (if you're a billionaire) that there are actually very large diamonds which are colourless, such as the centenary diamond, which is a grade d colour diamond that comes in at the whopping weight of 273 carats.
If you're in a store and you've found a ring which you're interested in, but only the total diamond weight is marked, don't hesitate to ask a shop assistant. They should give you the individual diamond weights, and if they don't just walk away - it's not worth your time dealing with unscrupulous sellers. In terms of diamond properties, the carat weight of the diamond should be considered alongside the many other characteristics of the diamond, in order to find a diamond which is balanced and hence not let down by being of poor quality in one of these departments.
