That depends on the cut, carat, color and clarity. For e.g, a round 1 carat D color, IF clarity, and an excellent cut diamond costs about $11, 081 and a 1 carat marquise diamond with the same characteristics costs about $17, 066, both of which are GIA certified. Another example is of a round G color, VS1 clarity, very good cut diamond is for $5521 and a princess diamond with the same characteristics is for $4391. So it all depends on what you are looking for and what your budget is.
A diamond rind would cost around $160-$200
998,000,000,000
34.99
one life
$8000000
Your answer depends entirely on the diamond, its cut, carat weight, clarity and colour.
$60
Your answer depends on both the diamond and the tree. You can consider size, rarity, quality -- each categories that dictate cost.
Diamonds cost and weigh on an individual basis.
one life
8 000 000
8 000 000