You have real 9 carat gold but the gems are fake
radius is halve the diameter. So d=375 r=375/2=187.5
375
375 square feet (15 x 25 = 375).
Is it a gold ring? If it is the 15 pts means it is 9 carat gold. Not sure about thr other stamp though.
fake
$500KG
Regardless of mint mark, about $375 to $400 depending on the amount of wear.
375 dollars
"375" stamped on a silver necklace indicates that the necklace is 37.5% pure silver, which corresponds to a marking of 9 karats. This means the necklace is composed of 9 parts silver and 15 parts other metals.
300-375 USD
I'm not sure what you mean by "375 in gold." In the context of gold purity, "375" usually refers to a gold alloy that is 37.5% pure gold (9 karat). If you mean something else, please provide more information.
The 375 very well might be an indication of 9 karat gold which has 41.7% gold content.
375 is 9k gold.
375 is 9ct gold.
A 375 marking is a gold marking; it indicates 9K gold. You can find this by multiplying .375 by 24 (since there are 24 karats in pure gold). Visit the link below for more details about gold markings.
The "375" stamp on a piece of jewelry indicates that it is made of 37.5% gold, which is equivalent to 9 karat gold. So, a 9ct gold ring stamped with "375" means that it contains 37.5% pure gold and is considered a lower gold content compared to 14ct or 18ct gold.