Offered denomination values of as small as 1/10 a good ounce a lot as 1 full ounce in gold, silver, platinum and palladium. That being said, a Gold IRA is probably one of the most effective investments you can make for your retirement. Take this for example, today, one ounce of gold costs around $1420.00. This could be in is also important . of gold bars, coins or biscuits.