You can calculate the total carat weight by adding the individual carat weight of each stone. Without a carat weight of each of your 15 stones, it is not possible to devise a sum total carat weight.
National Geographic published a cover photograph, for their story on cutting and polishing diamonds in India, which showed diamonds small enough to fit into the seed well on the side of a strawberry. These diamonds are probably smaller than .01 carats. A 'one cent' diamond weighs one-one-hundredth of a carat -- .01: its mm size will depend on its cut.
If a .03 carat stone is about 2mm in diameter, and appears to be about the size of the letter 'o' on a typewriter, then a 1mm stone is about half that size It doesn't work like that I am afraid. A 1mm diamond is approx 0.5 points or 0.005 carats. Commonly known as a diamond chip.
The almaaz diameter typically refers to the size of a diamond, particularly in the context of the Almaaz diamond, which is one of the most famous diamonds in history. Diamonds are measured in carats, with one carat equaling 0.2 grams. The term "almaaz" itself means "diamond" in Arabic, and the size or diameter can vary widely depending on the specific stone being referenced. If you're looking for a specific measurement, please provide more context or details.
From the Web site, below: "Magic Size - People tend to prefer certain sizes over others. These Magic sizes also greatly affect the loose diamonds price. For example, a 1.00 carat stone is considered to be a magic size. If a loose diamond weighs .99 carats the price per carat will be much cheaper than one of the same color and clarity that weighs 1.00 carats. In this case it is not the rarity of the stone but people's preference that dictates the diamonds price. Not even the most experienced diamond dealer could tell the difference between a .99 carat diamond and a 1.00 carat diamond yet the price is significantly different."
A jeweller can estimate the carat size of a stone, however, to learn its true carat weight, a stone must be removed from its setting and weighed.
The value of 1.45 carats of diamonds will depend on weather you have one single diamond or more. Do you have 145 diamonds with a total weight of 1.45 carats or 2 0.5 carat diamonds and a 0.45 carat diamond? Large diamonds are many many times more valuable than small ones and a single 1.45 carat diamond will be worth far more than tree diamonds with a total carat weight of 1.45 carats
Your notation -- 1.3 ctw -- indicates that the total weight of all the diamonds weighs 1.3 carats. This means that there are small diamonds involved, at least one smaller than a single stone that weighs 1.3 carats. A single stone weighing 1.3 carats is not considered a small stone. A small diamond may be one quarter carat or smaller.
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.
Although 90% of women never get a diamond over 1 carat, there are many sizes and shapes that diamonds can be cut into. Jewelers can cut a diamond to any size or shape. The largest cut diamond in the world is the Centenary, which holds the record at 273 carats. Before it was cut, it weighed 520 carats.
Diamond carats are measured using a precision scale that is designed specifically for weighing gemstones. The carat weight of a diamond is then confirmed by a professional gemologist who uses specialized equipment to determine its exact weight and size. It is important to have diamonds tested by a reputable and certified gemologist to ensure accurate results.
Diamonds are measured in carats, which is a unit of weight equal to 200 milligrams. This weight measurement is used to determine the size and value of a diamond.
The size of a gemstone, such as a diamond, is measured in millimeters (mm) for its dimensions, not in carats. Carat is a unit of weight specifically used for measuring gemstones and diamonds, with one carat equal to 0.2 grams. So, 14mm would refer to the dimensions of the gemstone, not its weight in carats.
One carat equals 100 in this example. If the diamonds are of equal size, then each diamond weighs 4.5454545 carats.
The purity of gold is measured in "Carats"The size of diamonds is measured in "Carats", use of the measurefor other gems is common but incorrect (just marketing).
ok it's carats.. just the term to determine what size and amount it is.. diamonds are judged by color; cost; clarity.. how clear they are if there are flaws... and carats.. for ex.. 14 carat.. the best is 24 carat which is pure
No one knows about diamonds that are not unearthed: their size, quality or location. To date, however, the largest raw diamond found by mankind was found in 1906, and it weighed just over 3,000 carats. It fit into the palm of an adult male's hand. There have been no other diamonds of this size found since.
The name for a large flawless diamond of 99 carats or more is a Paragon.In olden days, this name was given to flawless diamonds that were at least 12 carats, however the standard was raised over time.