The price of gold constantly changes, day to day and hour to hour.
To find the current price, see one of the related links below.
The price generally increases over time, from around $1000 USD an ounce in February, 2009 to a high of nearly $1800 USD in August, 2011. After a rapid decline, it remained in the range of $1600 to $1700 through mid-2012. There remains a considerable speculative market in gold and other precious metals.
(see links below)
Weight in oz of bar x current market value per oz
1 gram = .03215 (troy)(oz) Current cost of gold per oz is roughly $900 1 gram of Gold would be $28.935 12grams=$347.22
10000000 dollars
$21 per ounce
1.99 per oz
800
18$ per ounce.
$69 per oz
Gold would conduct electric current and could not be used for the case, but it would cost a few thousand dollars per oz of gold used to coat an existing case
it cost $10
890
It varies day by day & where you live.