Your answer depends on the quantity you want to purchase and in what grade. For example, shopping online today, you can purchase 100 carats of Natural Diamond Powder in 6-12 Micron size and pay about US$200.00.
The price depends on whether you commission quantities of industrial diamonds for industrial use, or a single gem-stone quality diamond to be produced from precious ashes.
A diamond rind would cost around $160-$200
i bought a peice about the size of a thumb nail and it cost 25p
998,000,000,000
about $6 or $6.50
You may be interested in industrial diamonds -- about 80% of all diamonds mined, which you can purchase by the pound on a bulk basis, month after month, for about the cost of a double latte. (US$.30/ carat for bort.)
Carob powder has different qualities. It will cost you from INR 400 - 500 per kg. I sell carob powder. it will cost you INR 400+ shipping.. my contact details: krishna.tungal@yahoo.com
34.99
one life
$8000000
Your answer depends entirely on the diamond, its cut, carat weight, clarity and colour.
$60