Anything is worth whatever someone will pay for it.
According to Wikipedia, below, the latest information concerning a sale of this diamond reads:
"On April 16, 1970, the diamond was sold at auction for $500,000 (allowing for inflation, this would now be $2.99 million) to Edward J. Hand, a then 48-year old trucking firm executive from Greenwich, Connecticut."
There is no additional information available on its value.
Any diamond is worth whatever someone will pay you for it.
Any diamond is worth whatever someone will pay you for it.
100-10000 USD
Any diamond is worth whatever someone will pay you for it. Z4 is not a common notation that describes a gem-quality diamond.
I think you are asking if a natural clean diamond is worth as much as a natural diamond that is Not considered clean? The answer is no. A clean diamond means that it is clear from imperfections. Now this can mean clear to the naked eye, or clear under a microscope. Of course the diamond that is clear under the microscope is much worth more than a diamond that is only clear to the naked eye.
It depends on the cut and the grade of the Diamond.
Your answer depends on the quality of the diamond you're buying/ selling.
£2
$300m ish
A lot
$100 to $42,000
A diamond is worth what it's worth, regardless of where and how it's set in jewelery. A diamond's worth depends on its carat weight, its colour, its cut and its clarity.