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
The "ADJ" after the 750 stamp on a ring indicates that the item is adjustable. The "750" stamp signifies that the ring is made of 18-karat gold, which contains 75% gold and 25% other metals. Thus, the combination tells you the quality of the gold and that the ring can be resized to fit different finger sizes.
1000 GOLD=24 k GOLD 750=75% OR 18k GOLD
it means 18ct. or 750 parts per 1000 of pure gold.