There is none.
750 = 18ct gold
i have the same 18 marked 750 gold ring
GB 750 inside a ring typically indicates that the ring is made of gold with a purity of 750 parts per thousand, meaning it is 18 karats gold. This standard signifies that the metal is composed of 75% gold and 25% other metals, which can enhance durability and strength. The "GB" may refer to the manufacturer or a specific brand associated with the ring.
750 denotes 18ct gold
This is my
750 means 750/1000 = 75% gold, which is 18carat
Hi your 750 ring is 18 ct gold all the best Lynda
It means that the ring is made of 18K gold.
The 750 mark is an indication of 18 karat gold.
what i know is 750 means 18k gold its 75% gold
1000 GOLD=24 k GOLD 750=75% OR 18k GOLD
it means 18ct. or 750 parts per 1000 of pure gold.
The number "750" on the ring indicates that the metal is 18K gold, meaning it is made up of 75% pure gold. The number "25409" on the shank could be a manufacturer code, a serial number, or some other identifier specific to the jeweler or company that produced the ring.