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).
0.62 Carat Diamonds
Each point in a diamond's weight is worth 2 mg, so a 62 points diamond weighs 124 mg. 0.62 carats in a diamond gets you around 5.56 mm of diamond, give or take.
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This average width of 5.56 mm for a 0.62 carat diamond only tells some of the story, because this width is variable depending on how deep or shallow the diamond shape is. One trick for saving money when buying a diamond is to choose a diamond which has a carat weight just below a popular number, such as buying a 0.98 carat diamond instead of a one carat diamond.
Not all gemstones have the same density, leading to an often confusing fact that when you look at a one carat diamond and a one carat ruby, apart from differences in cut they will probably appear different in size due to the difference in their density.
Although it is of limited usefulness, a lot of people wonder what the average size of a diamond is (about one third of a carat) when they are searching for a diamond themselves.
For me the diamond dawns are set. In rings of beauty. John Townsend Trowbridge .
People say the four cs for a reason - diamond carat size is just one of the four cs and the others are arguably just as important in determining how 'attractive' and 'good' a diamond is.
