Usually, a brilliant cut diamond that weighs one carat measures about 6.5 mm at the girdle.
If the diamond is a round brilliant cut, it's slightly larger than 16.3MM, which is the measurement of a diamond weighing 15 carats.
Depending on the cut, a five carat diamond always weighs five carats. If the cut is round brilliant, the mm measurement at the girdle is about 11.
A 625 carat diamond refers to a diamond that weighs 625 carats. Carat is a unit of measurement for gemstones, with one carat equal to 200 milligrams. A diamond of this size would be considered extremely rare and valuable.
A diamond weighing .07 carats (7/100ths of a carat) measures about 2.7 mm if the diamond is cut in the round brilliant style.
The letters CT stand for carat, the weight measurement for diamonds. One full carat -- 1.00 CT -- weighs .02 grammes. A diamond weighing 0.010 carat equals one one-hundredth of a carat.
If the diamond is a round brilliant cut, the measurement at the girdle of a diamond of this carat weight measures about 5.2 mm. If the diamond is not a round brilliant cut, the measurement will be different.
A one-third carat diamond weighs one-third of a carat. If the stone is a round brilliant cut stone, it's diameter measurement at the girdle will be about 4.4mm.
The only factual answer possible is this: one measurement of the diamond is 2.2 mm. If the diamond is a round brilliant cut, it's possible that a diamond of this measurement weighs about .04 carats or 04/100ths of a carat.
If the diamond is a round brilliant cut, the 3mm measurement at the girdle indicates that the diamond weighs about 1/10th of a carat, or .10 carats.
A round cut diamond weighing 0.07 carats measures 2.7 mm at the girdle. If the diamond is of a different cut, the measurement given will roughly equate to a different carat weight.
Carat is the weight measurement for gemstones.
The carat defines the standard unit of weight measurement of a diamond.