If the diamond is measured in points -- 106, you could translate this to 1.06 carats.
A 2 mm round diamond weighs about .03 carats, so a 1.5 mm round diamond would be smaller than .03 carats. A .01 carat diamond is about as big as a grain of sand.
If the diamond is a round cut, a stone weighing a little over 3 carats would have the 9.5mm measurement at the girdle.
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.
Your answer depends on the cut you are measuring. If the gem is a round cut, the carat weight will be about .10 carats.
If the diamond is a round brilliant cut, this measurement at the girdle indicates that it could weigh between .20 carats (3.8 mm) and .25 carats (4.1 mm). If the diamond is of a different cut, a jeweler can remove the diamond and give you the exact carat weight.
A round cut diamond weighing .25 carats measures 4.1mm at the girdle.
A round cut diamond weighing .25 carats measures 4.1mm at the girdle.
This millimeter measurement across the girdle of a round cut diamond may be equal to about 1.25 carats in weight. A certified gemologist can give you the exact weight of your diamond.
A 2 mm round diamond weighs about .03 carats, so a 1.5 mm round diamond would be smaller than .03 carats. A .01 carat diamond is about as big as a grain of sand.
If the diamond is a round cut, a stone weighing a little over 3 carats would have the 9.5mm measurement at the girdle.
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 diamond weighing .07 carats (7/100ths of a carat) measures about 2.7 mm if the diamond is cut in the round brilliant style.
A 6mm stone would be a.75 carat diamond.
A one-half carat diamond, in a round brilliant cut, measures about 5.2MM at the girdle.
Your answer depends on the cut you are measuring. If the gem is a round cut, the carat weight will be about .10 carats.
A round, brilliant cut diamond measuring 6.5 mm at the girdle weighs about one carat.
If the diamond is a round brilliant cut, this measurement at the girdle indicates that it could weigh between .20 carats (3.8 mm) and .25 carats (4.1 mm). If the diamond is of a different cut, a jeweler can remove the diamond and give you the exact carat weight.