There are 100 points to 1.0ct, therefore a 1/4ct diamond equals 25 points. The diameter of a well cut 0.25ct (1/4ct) stone is 4.1mm
The size of a 0.25 is width 4.90mm x length 40.7mm.
It would depend on the quality of the diamond. Obviously a quarter carat is smaller than a third but if the third carat is of poor quality and the quarter is superior quality then the quarter would be worth more.Another AnswerEvery diamond is valued by its carat weight, its colour, its clarity and its cut.
If the diamond is an ideal emerald cut with these measurements, the diamond may weigh about one quarter of a carat. Otherwise, you have stated the diamond's 'big' size in measurements.
0.25 means its the carat of diamond,meaning you have quarter of carat real diamond
It is a one-quarter carat gemstone.
A carat is a measurement of diamond weight. 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."
I went in with my engagement ring yesterday which is a quarter carat in platinum to see how much it was worth. The woman said a quarter carat diamond is worth at the LEAST $489 in their store. They're also one of the cheaper stores in this area, so I'd say at least $500 depending on the quality of the diamond.
The value of a diamond depends on its cut, its clarity, its colour and its carat weight. A local jeweler can give you the answer you want.
Carats in diamond weight can be divided into 100ths, meaning that a quarter carat stone could be described as a .25 carat diamond. In your case, you could describe this stone, as just over half a carat or .58 carat diamond. Less than full carat stones are also called points: a 58 point stone in your case.
The value of a diamond depends on its cut, its clarity, its colour and its carat weight. A local jeweler can give you the answer you want.
One carat weight of diamond weighs .20 grammes, so your diamond is about half that weight, or roughly half a carat.
A 1.00 point diamond is one carat, so a .12 point diamond is a little over 1/10th of a carat.
A .25 carat round GIA certified diamond in F color and VVS2 clarity costs about $590 and a .25 carat princess diamond in E color and VVS1 clarity costs $510.