half = 1/2 = 0.5 = 0.50 < 0.58 → Yes.
1 carat is 0.2g, so 1/2 of a carat equates to a 0.1g gemstone.
One cent in the world of diamonds may indicate that the diamond is one-one-hundredth of a carat. Currently, diamonds weighing less than 10/100 carat are considered 'chips', and are not expensive.
7/8ths of a carat is larger than a 1/2 carat
A carat is a unit of weight used for gemstones. One third carat is the weight of the diamond.
There are no princes on earth who appear to be available for sale, sorry, especially one this small.
A one-half carat diamond weighs 100 milligrams = 0.10 gram.
1 carat = 200 milligrams 1/2 carat = 100 milligrams
Generally, you would write .50 carat to represent a half-carat stone.
One carat weight of diamond weighs .20 grammes, so your diamond is about half that weight, or roughly half a carat.
Your total cost depends on the characteristics of each of the diamonds included in the total carat weight: the cut, clarity, colour and carat weight of each.
Every diamond is valued by its cut, colour, clarity and carat weight; you offer only one parameter. At Blue Nile today, you can spend from half a million US dollars to one and a half million US dollars for a stone of this size, depending on the other three parameters.
Your question implies that the number is less than one full carat, so you could also write it as .59 carat -- rounding up, meaning that the stone weighs just over half a carat.
You might dice half a carrot in a small soup. One half carat of diamond today on Blue Nile will cost you between US$590 and US$1,528, depending on the cut, clarity and colour that you want.
Half a carat is .50, and a quarter of a carat is .25, therefore 3/8ths of a carat is .375
One tenth of a carat is a small weight for a diamond -- your local jeweler may have such a diamond to sell.
You can buy a diamond of about this carat weight today on Blue Nile and pay between US$4,846 and US$60,820, depending on the cut, its quality, clarity, colour and exact carat weight that you want.