Pure gold is 24 carat (100%)
80% gold is 19,2 carat
Pure gold is 24 carat so 22 carat is 92% pure.
18 carat is 75 percent pure gold. 24 carat gold is .9999 percent pure. so the value of the gold would 75 percent or 3/4 of the total weight of the wedding band
100
19 carat is about 78% gold
1 carat gold is about 4 percent real gold at this point it is mostly other metals such as copper and tin just plated with gold
18 carat
9 carat gold is typically mixed with metals such as copper, zinc, and silver, while 18 carat gold is commonly alloyed with metals like copper, silver, and palladium. These alloying metals help to make the gold more durable and increase its hardness.
This is just the jewellers mark, it doesn't have any affect on the value of the gold. The numbers which have meaning and affect the value are: - 333 (8 carat / 33.3% gold content) - 375 (9 carat / 3.75% gold content) - 417 (10 carat / 4.17% gold content) - 585 (14 carat / 5.85% gold content) - 620 (14.8 carat / 62% gold content) - 750 (18 carat / 75% gold content) - 800 (19.2 carat / 80% gold content) - 875 (21 carat / 87.5% gold content) - 915 (22 carat / 91.5% gold content) - 990 (24 carat / 99% gold content) - 999 (24 carat / 99.9% gold content) The most common gold content used in modern jewellery is 3.75% (9 carat).
24 carat gold is from 90% to 99.9% gold.
22 carat gold refers to gold that is made up of 91.67% pure gold mixed with other metals such as copper or silver. It is commonly used for making jewellery due to its durability and shine. The higher the carat of gold, the purer it is.
14 karat gold is old 58.3% = 583 and new 58.5% = 585.
916kdm gold is 24 carat gold