Today at Blue Nile you can purchase such a diamond and spend between US$8,832 and US$11,839, depending on the colour that you want.
You can buy a round brilliant stone weighing about 10 carats today at Blue Nile and spend from US$238,000 to US$1,272,000, depending on the clarity and colour of the stone you want to buy.
The stone weights 545.67 carats.
The value of the stone(s) depends on the cut, natural colour, carat weight and clarity of the stone. A gemologist who is expert in black diamonds can help you value the stone(s).
Diamonds are valued according to the cut, clarity, colour and carat weight of each stone. A local jeweler can give you the answer you want.
A diamond is valued by its cut, clarity, carat weight and colour. A local jeweler can show you a stone and give you a precise answer.
Sixteen ounces. One carat of diamond weighs 0.007054792 ounces. If an excellent one-carat stone costs $4,000: you do the math.
around $1,000 to $1,500 per carat for very good ones, light blue stone can cost you around $90 per carat, while a light blue-green stone can cost you anywhere between $180 to $240 per carat (USD btw)
A diamond is 'worth' what someone will pay you for it. Take your stone to a jeweler and ask the jeweler to buy it. Then ask the jeweler to show you a comparable stone and ask how much it would cost you to purchase the stone. In the grande scheme, any diamond is valued by its cut, colour, clarity and carat weight.
You may be able to find a 2 carat, round brilliant cut diamond of a J colour, with two slight inclusions (SI2) in the US$9-10,000 range. A whiter stone with higher clarity and of a different cut will probably cost you more.
The value of a diamond depends on its cut, colour, carat weight and its clarity. A local jeweler can answer your question.Another AnswerYou can buy an 11.91 carat stone today on Blue Nile and spend about US$554,080, or buy a 12.35 carat stone and spend about US$1,176,532. The difference being in the colour, clarity and quality of the round cut.
Take the stone to a reputable gemologist and ask for a description of its cut, colour, carat weight and clarity. Then ask a jeweler how much s/he would charge you for a comparable stone. This may give you an indication of about how much the stone is worth.
A four carat diamond weights four carats. In ounces, this stone would weigh about 0.03 or three one-hundredths of an ounce.