The price of a 1-carat diamond can vary widely depending on several factors, including the diamond's cut, color, clarity, and carat weight.
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.
The weight of a diamond is measured in carats, not in cents. So, a 30 cent diamond would not be equivalent to any specific weight in carats. To determine the carat weight of a diamond, it would need to be weighed using a scale calibrated to measure 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.
It depends on the diamond. From Amazon.com: "Carat is the unit of measurement used to describe the weight of diamonds. One carat is equal to 0.2 grams, or 0.007 ounces (avoirdupois). Five carats equals 1 gram, and 141.7 carats equals 1 ounce."
The weight of a diamond is measured in carats (1 carat = 0.2 grams; it is a measure of weight). The purity of a gold setting is measured in karats (24 karat = pure gold, 18 karat = 75% gold)
The Jonker Diamond is a name given to many finished gemstones cut from a raw diamond weighing 726 carats, beginning in 1936. The smallest of these weighs 8+ carats. There was an 'opening loss' of 1.57 carats on the first cleavage, however. No history remains tracking this loss. Each finished gemstone may or may not have a sales history. You can read more, below.
For diamonds, carat is the weight. I suspect that your 1.0 stone is a 1 carat stone. Milliliters (ml) is a measure of liquid volume, which doesn't apply to diamonds, since they are not liquid.
Converting pounds to carats -- gemstone weight -- means that one pound = 2,268 carats or one Troy pound = 1,866 carats. The Cullinan diamond at more than 3,000 carats is the largest raw stone found to date, and since 1906, no other notable stone approaches this weight. The Cullinan was gifted to the King on his birthday, and remains in the possession of the British Monarchy and its crown jewels, which are priceless, since they are not for sale.
Part of your confusion is based on spelling. The other part is what one is measuring with these two nouns.Gold purity is factored in karats: 24 karat gold is all gold, pure gold, nothing but gold: no other components.Diamond carats are a weight, where 1 carat equals 0.00705479239 ounces. So a diamond is, by definition, all diamond: no other components, and one element that is important about a diamond is its weight in carats.
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.
1 ounce is 138.29 carats.
A small diamond typically refers to a diamond that is under 0.50 carats in weight. These diamonds are often more affordable and can be set in various jewelry pieces such as earrings, pendants, or delicate rings.