Dimensional analysis,
44 caracts X (.2g/1carat) X (1cm^3/3.5g) = 2.5 cm^3
See how the carats and grams cancel to just give you cm^3
The term '50ct' would be a shorthand way of writing 50 carats. If a decimal point appears in front of the five, then the term means half a carat. If a decimal point appears between the five and the zero, then the term means five carats. Carats describe the weight of a stone.
Usually stones of this size and larger are simply noted as 'important diamonds', many of which have names.You can see more important diamonds using the link, below, many of which are smaller than 100 carats.
What you have is worth whatever someone will pay you for it. If you mean .01 carat of a diamond, then its value is lower than if you mean 1.00 carat diamond. The lowest price today on Blue Nile for a 1.00 carat diamond is US$2,151. The lowest carat weight you can purchase there weighs .24 carats.
A two-millimeter diamond -- round brilliant cut, measured across the girdle -- weighs about .03 carats, and as a loose stone may cost you less than US$100, depending on its colour and clarity. Your diamond would cost less given its smaller size.
Fifteen carats of diamond chips is a large total weight for chips: unfaceted diamonds. The total weight is almost one-tenth of an ounce. There is no standard by which to evaluate diamond chips. You are best advised to take the jewelery to a jewelery maker and ask for a valuation.
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.
Diamond purity isn't rated in carats. Carats are a designation of mass/ weight. Diamond purity is a separate rating.
The biggest carat in a cut diamond is 20 carats. The largest diamond ever found was 530 carats.
You can take your loose stone or diamond-set jewelry to a certified gemologist, who removes the stone and weighs it. The gemologist will document the carat weight of the stone.
Generally, 41 pts equates to .41 carats. Your local jeweler can determine the exact weight of a diamond with a scale.
A round cut diamond weighing .25 carats measures 4.1mm at the girdle.