What is the price of 1g of 24 kt gold?

The price of gold is always changing

Kitco.com will give you the current price per Troy ounce

One Troy ounce contains 31.103476 grams

Therefore the price of one gram is the price of gold per ounce (US$1156.10)

divided by 31.103476 = US$37.04 per gram as of 14th April 2010