Seventy-three carats is heavy for any diamond, regardless of its colour.
Best practices dictate that you check with auction houses, such as Sotheby's, Christie's and so forth -- New York, Hong Kong, Geneva, Saudi Arabia -- for a diamond of this weight and colour.
It depends on whether it is treated or natural. The cost of a treated black diamond ranges from as low as $100 to $200 per carat whereas a natural diamond, which is GIA certified the cost per carat ranges from $2500 to $3000, depending on the quality.
If we select top qualities for a white diamond then a 1 carat round cut, H color, Si1 clarity, and excellent cut with GIA certification can cost you approximately $5258. A 1.29 carat cushion cut black diamond can cost upwards of $1,500.
The largest GIA certified black diamond available in a quick Internet search is a Fancy black, cushion cut, 7.21 carat diamond with a retail price of US$18,125. You may be able to shop longer and find a larger diamond, and the cost will be comperable to its individual characteristics.
i would like to know how much a 661 carat black rutile star will cost?
Every diamond is valued by its carat weight, its colour, its cut and its clarity. There is no standard. Without endorsement, you can price black diamonds, below.
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.
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.
Any diamond, at any time, is valued by its carat weight, its colour, its clarity and its cut.
Colour is only one criteria in the price of a diamond, others being cut, clarity and carat weight. Cut, clarity and carat weight being theoretically equal, a red diamond would probably cost the most, and a black diamond -- Carbonado -- would probably cost least. Since there are dozens of variables in diamond colours, saturations and hues, you can read more about coloured diamonds, below, and pick a group to price and rank.
One tenth of a carat is a small weight for a diamond -- your local jeweler may have such a diamond to sell.
Its tricky, carbon in Diamond form means "Diamond",it could cost from a couple of Dollars a carat (Industrial) to say 2000 Dollars a carat(Gem quality) or more.........
Two tenth carat isn't a term usually associated with a diamond. Every diamond is priced according to its carat weight, its colour, its cut and its clarity.