Carats are used to measure a diamond's weight.
A jeweler can estimate the carat weight; a gemologist will remove the stone and weigh it, then give you a certificate that includes not only its weight, but its clarity, colour and the name and grade of the cut.
Every diamond is valued by its cut, colour, clarity and carat weight. A diamond this large is rare: you may be able to find a comparable carat weight diamond in an auction catalog from Sothebys or Christies.
You can browse the Tiffany site, below (without endorsement), to find the 48 carat diamond that you want to purchase from them. Otherwise a 48 carat diamond is a large diamond and may only be available from an auction house if you cannot find one at Tiffany's.
The carat defines the standard unit of weight measurement of a diamond.
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.
Carat is the measurement of a diamond's weight. The stone's value would partially depend on its carat weight.
A one carat diamond weighs one carat and contains one carat.
No, a one carat tanzanite gemstone and a one carat diamond are not the same size. Tanzanite is less dense than diamond, so a one carat tanzanite will typically appear larger in size compared to a one carat diamond.
A two-carat diamond is a gemstone that weighs two carats.
To find the price per carat of the diamond, divide the total price by the weight in carats. In this case, ( \frac{2772}{0.77} ) equals approximately 3602.60. Therefore, the price per carat of the diamond is about $3,602.60.
A half carat diamond of this cut measures 5.2 mm at the girdle; a .65 carat diamond measures 5.6 mm at the girdle. A certified gemologist can give you the exact carat weight of your diamond.
Carat is the weight measurement for gemstones.
There isn't any information on the smallest carat diamond ever sold. However, I did find the world's smallest diamond. It weighs in at 0.0003. It is being sent into the Guiness Book of World Records.