Good is a value judgement and you are the judge.
The carat weight you question is small.
The diamond weighs 112 carats, or 0.790136 ounces.
If the diamond is measured in points -- 106, you could translate this to 1.06 carats.
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.
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, 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.
There are 45.52 carats on the hope diamond
Zero carats means that there is no weight to the stone. Perhaps that the stone is not a diamond? There is no notation for a diamond equal to zero carats.
The diamond weighs 112 carats, or 0.790136 ounces.
Diamonds are weighed in carats.
All the carats in the Hope Diamond are classified as blue-gray.
45.52 CaratsThe Hope Diamond is 45.52 carats. By comparison the average engagement ring is only 0.3 carats.
Carats.
The biggest carat in a cut diamond is 20 carats. The largest diamond ever found was 530 carats.
A round cut diamond weighing .25 carats measures 4.1mm at the girdle.
According to Wikipedia, below, this diamond weighs "755.5 carats (151 g)."
A round cut diamond weighing .25 carats measures 4.1mm at the girdle.
The largest carat diamond ever is the Cullinan Diamond. This diamond weights in at 3106.75 carats which is around 1.37 pounds. The biggest diamond ring however, is 150 carats.