Twenty carats is large for a diamond gemstone.
You may find the one you want to buy at an auction house. Depending on the colour, cut and clarity, a diamond of this carat weight. You should expect to pay several million dollars US.
(For example: Today at Blue Nile, you can buy a 16+ carat diamond, and spend US$600,000+, or a 14+ carat diamond, and spend US$1,500,000 -- the difference being the clarity of the diamonds.)
If by 20 cents you mean .20 carats, you may be able to purchase such a diamond using this example as a guideline. Today, on Blue Nile, you can purchase a .23 carat diamond and pay between US$270 and US$782, depending on the colour and clarity that you want. A .23 carat diamond is the smallest diamond available for sale at Blue Nile today.
A one carat diamond weighs one carat, or .20 grammes.
One carat diamond weight is equal to .20 grammes.
Where ever you are in the world, a one carat diamond weighs one carat, or .20 grammes.
A quick search found a commercially-available 15 carat stone, for which you will pay US$1,187,000+. You'll need to look hard to find a 20 carat stone for sale without finding an auction that has one that large in its catalog for sale. Once you purchase the diamond, then you'll have to pay for the setting.
The cost depends on which gemstone you choose to set in the ring. A diamond of this size would cost you multiple millions of dollars; a semi-precious stone would cost you much less. The most economical choice would be glass or crystal.
The size of a diamond is measured in carats, with 1 carat being equivalent to 0.2 grams. A diamond with a mass of 0.10g would be a 0.50 carat diamond.
A 20 carat diamond weighs 20 carats. If the diamond is a round brilliant cut, it measures about 17.6 mm at the girdle.
You can buy a one carat diamond today on Blue Nile and spend between US$1,849 and US$11,216. The price varies according to the diamond's exact carat weight, cut, colour and clarity. One carat of diamond weight equals .20 grammes, or 0.00705479239 ounces. Can you do the math?
Carat is a weight, so its weight is one tenth of a carat or one tenth of .20 grams.
The weight of a 1-carat diamond is approximately 0.2 grams. This measurement is equivalent to 200 milligrams. The carat weight is a standard unit of measurement used for diamonds and gemstones.
Depending on the quality of diamond you're interested in buying, you can pay millions for a single carat -- for a rare, fancy coloured, flawless, gem-quality diamond, or you can purchase industrial-grade diamonds for use in industry.Key basics:One carat diamond weight equals .20 grammes.20 grammes equals 0.007054 ouncesYou can purchase industrial diamonds -- bort -- on a contract today with a South African corporation and pay US$8.00 per carat for a minimum purchase of 1,000 carats per month on an ongoing basis.Can you do the math?