The 18k is the gold amount in the ring and the initials are either the company or maker. You have a good ring so take care of it. 18k can be soft and will bend easily.
18K Gold: 18K Gold is 18/24ths, or three-quarters pure gold. Jewelry of this fineness is marked "18k" or "750," meaning 75 percent gold."
what does 18K SAC mean in a ring
Check the related link and for a good gold calculator - in the mean time 18k gold is 75% pure gold so take the current price of gold and multiply by 0.75.
18k is not homgeneous
18K Gold: 18K Gold is 18/24ths, or three-quarters pure gold. Jewelry of this fineness is marked "18k" or "750," meaning 75 percent gold."
Well, 18k white gold it is alloys of different quality of precious metal that pass 18k acid test and magnet test ... Yellow gold alloys with Rhodium plated it is not white gold ... White gold its 18k+ white gold inside and white gold outside forever !
18K means that it is 18 carat gold (75% pure gold).
How much is 15 grams of 18k gold worth
To clean an 18k gold chain, it has been said that one can clean it by scrubbing it with toothpaste. One can also just take it to a professional to clean it.
no, it´s gold plated the gold used for plating is 18k drunk-crash.blogspot.com
Better to lose a 9k gold ring than a 18k one ! 18k is purer gold than 9k.