Oysters - One of the best sources of zinc. Zinc is a key mineral which helps the cells which are designed for building hairs. Also oysters a great source of protein. Eggs - Rich in protein and are a natural source of Biotin which is known to strengthen hair and is a well know supplement which helps with beard growth.
Thus, if the spot price of gold is $900 per troy ounce and there are about 31.10 grams in a troy ounce, then the math is follows: $900 x 1 ounce/31.10 grams = $28.94/gram. To find the value of jewelry:
The following report covers average gold price per grem, ounce, and kilo gram in 24k, 21k, 18k, 14k, and 10k in USA in U.S Dollar (USD).