14k is the purity of the gold. CKG is the manufacturer of the ring
The symbols S51 on a 14k white gold ring illustrate the purity of the gold.
14k is 14k in gold, f6 is the band size
That is the company or maker. Your ring is gold with the 14k on it.
14K is the content of gold in the item, and SD is most likely the initials of the ring's maker.
The price of gold is constantly changing. It is estimated that the current value of 14k gold is about 30 dollars an ounce.
Your gold is worth approximately $1.15.
14k gold pf is the maker
5 dollars
EM on ring
cTo is probably the designer/jeweler of the ring 14k is what it is
At that price per troy ounce, 1dwt of 14k gold would cost $42.15 USD