Gold at this moment is $34.59 per gram
At this moment it is around $130 per ton.
It depends on the color, size and clarity. Here's a chart to help you figure out your topaz price.
$30
36,966.61 USD as of 18 March 2015
$3.50
1.70 for 10000000000
The cost of a gold nugget will (obviously) depend on the amount of gold in it.
liver
it would cost around 1.26 million dollars for that much gold
That is up to the dealerships and car manufacturers
The cost to raise a child in 2015 was estimated to be around 233,610 from birth to age 17, according to the U.S. Department of Agriculture.
It cost 5 gold fish.