Well, isn't that a lovely question! Gold is not measured in carats like gemstones, but rather in purity. 24 karat gold is considered pure gold, so 685 gold would not be a standard measurement. Remember, each piece of gold is unique and special in its own way, just like each brushstroke on a canvas.
Flash: six hundred eighty five.
None. Fools Gold is iron pyrite, which is not measured in carats, because it is essentially worthless.
22 carats
185
24
21.6
Chemically pure gold is considered 24 carats. This means that it is 100% gold with no other metals mixed in.
583 is Russian gold. 583 probe is 14K
I believe it is 900 Gold which makes it 21.6 carat.
Pure gold is 24 karat.
It depends on how pure the gold is. 24 karat gold wieghs .2 grams per carat weight so 5 carats is equal to 1 gram of pure 100% 24 karat gold.
All British gold Sovereign coinage minted since 1817 are at 22 carats or 91.67% fineness.