22 kg ring is 916 what is the number of 24 kg ring wedding ring?
22 karat gold is 91.6% pure. 24 karat gold is 100% pure gold, so I guess the number would be 999 or 1000.
If you are positive the ring is gold, the 901 could refer to either the stock number of the jeweler or a rather unusual gold content measurement. The number 916 or 917 indicates 22-karat gold (91.6% gold). So, 901 could be 90.1% gold. However, if you are not positive the ring is gold, this is likely to be the quality stamp to indicate the amount of platinum used in the band. "IridPlat" or ".90Plat/Ir" is…
916 mark on gold While Standard gold is 24 carat (100% pure gold). 916 means it is 22 carat. That is 91.6% pure gold and the rest includes metals like copper and silver. 22 Carat gold or 91.6% gold is used with mixture of other metals to make gold malleable. God in its pure form (24 Carat) is brittle and cannot be used for making ornaments or jewelry.
"DBJ" is likely the initials of the person who crafted the piece. It is common for jewelers to use three initials to mark their work. The number 925 is a bit unusual to see on gold jewelry. Numbers such as 916 or 917 (22-karat gold) and 999 (24-karat gold) are more common. If the 925 is inside an oval, the ring is more likely to be sterling silver.