It depends on various factors, just like other precious stones. For example however 6.6 ct of a quality Blue Zircon would be worth around $600 USD
How much does your typical birthstone cost?
A Topaz is up to $ 990.00
A Zircone is up to $1325.00
i would like to know how much a 661 carat black rutile star will cost?
Cheap rubies can cost $2 per carat up to $10,000 or more for nice ones. I have bought many in India and the cost does not depend on the country but the quality
$1.00/carat
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.........
The cost of Platinum diamond earrings will vary greatly depending on the carat weight of the diamond. As an example for prices, 1/2 carat total weight start at about $1400 but a 1 carat total weight sells for approximately $3600 per pair.
Zircon is a gemstone. You find natural as well as synthetic zircon in the Gemstone/jewelry market. Its high degree of Total-internal-reflection value makes it an excellent replacement for its expensive look alike the Diamond. Synthetic Zircon could cost from a measly US $2 a Carat (synthetic) to say US $200 a carat(Natural flawless, including colored).
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)
it cost $200-$1,000
A diamond of about that carat weight can be bought today on Blue Nile, and you'd pay between US$5,732 and US$23,606, depending on the exact carat weight, cut, clarity and colour that you want.
Today, on Blue Nile, you can buy a diamond of about this carat weight and pay between US$509,719 and US$1,376,169, depending on the colour, clarity, cut and exact carat weight that you want.
Today at Blue Nile, you can spend between US$8,462 and US$49,775 for a diamond of this carat weight, depending on the clarity, colour and cut that you want.
First, you'd have to find such a diamond. This size and colour are uncommon, blue being one of the rarest diamond colours. Recently (21Oct2010), the Bulgari Blue Diamond, "...a triangular 10.95 carat Fancy Vivid blue diamond, (the largest such blue diamond of this cut ever offered at auction)," sold for $15.7 million or $1.4 million per carat. (From The Telegraph, London.)
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.
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.
A natural blue diamond is a rare diamond and will be very pricey. In April 2010, a five-carat vivid blue stone was auctioned in Hong Kong with estimated bidding to range between US$4.6-$5.8 million. In May 2009, Sotheby's Geneva auctioned a 7.03 carat, internally flawless, fancy vivid blue stone for US $9.48 million. Read more about these stones, below.
i would like to know how much a 661 carat black rutile star will cost?
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.