You can buy a round one today on Blue Nile for between US$5,000 and US$6,000, depending on the stone's colour and quality of the cut.
First, understand that if your 'one carat' diamond has '80 points', it may not weigh one carat. Then, take your diamond to a certified gemologist who can tell you 'how much' can be attributed to your diamond.
1 Carat = .2 grams = 100 points
The diamond either weighs 100 points, or a full carat, or it weighs 80 points or 80/100ths of a carat.
If it is 1 carat weight=.20g .5ct= .10gms and so on you need to know how much it is carat the multiply carat with .20g
too many varibles to answer
Chheck eBay it will tell you the exact price that it is worth
To calculate the volume of a 1 carat diamond, we first need to convert the carat weight to grams. Since 1 carat is 200 mg, it is equal to 0.2 grams. The volume of a diamond can vary depending on its shape, so without knowing the specific shape of the diamond, we cannot determine its volume.
A one carat diamond weighs one carat, or .20 grammes.
250 carat Diamond- uncertain amount as can be auctioned; very few diamonds of this size25 carat Diamond- $1 million to $2 million; for a lower quality stone2.5 carat Diamond - $5,000~$8,000Another AnswerYou can buy a 2.5 carat diamond today on Blue Nile and spend from US$12,000 to US$16,000.Also, a 15 carat diamond is available on Blue Nile today for just over US1,000,000.
One carat is equal to 200 milligrams, or in other words, a 5-carat stone weighs 1 gram.
One carat diamond weight is equal to .20 grammes.
One carat of diamond weight equals 0.2 grams. One gram equals 1000 milligrams. Can you do the math?