Diamonds are not typically sold by the ounce, unless you're buying industrial diamonds.
You can engage the services of an industrial diamond broker who has been in business for the past 20+ years, who can answer your question specifically.
Gem-quality diamonds by the ounce will cost you millions, depending on the cut, colour, clarity and carat weight you purchase to make up a full ounce -- about 141 carats.
A ounce of gold costs 500dollars
$11,000 per ounce
Like $3.00 for a one ounce
1,200
about $500 an ounce
About $2
$5,000,000,000,000 per ounce
800
About 3.5$ mil.added 11/3/2010Not exactly true.A standard ounce of is 141.747 carats.Industrial diamonds can sell for $1-$5 per carat .Jewelry grade diamonds can cost $50 per carat for the smallest diamonds to $2000-$10,000 for a nice white 1 carat diamond to $25 million for a 50 carat diamond. ( diamond over 20 carats are generally considered semi unique and hard to price)So given that range an ounce of diamonds can cost from about $150 up to $300,000,000. In addition since a single 141.47 carat diamond would be one of the largest diamonds in the world, it could be priceless
A diamond rind would cost around $160-$200
The first ounce will cost 88 cents. Each additional ounce will cost 17 cents. 6 pages of regular computer paper is about 1 ounce.
I have been able to buy it for about $285 per ounce.