Not necessarily, the piece must have 18k or 750 stamped inorder for it to be solid gold. However, many smaller pieces may not have a hallmark but still test 18k
what does 18K SAC mean in a ring
It means it's 18K.
Items marked 18K or 750 have 750 parts gold out of 1000, or 75% pure gold.
18K Gold Plated.
18K gold Made in Italy
It means that the ring is made of 18K gold.
what i know is 750 means 18k gold its 75% gold
The 25409 is most likely the design number, and the 750 means that the ring is 18K gold.
The 750 stands for 18K gold, European countries use the percentage of gold in the item. 24K gold is 100% gold, 18K gold is 75% gold and 25% alloy. Therefore 750(75.0) is 18K gold. The 1198 f is probably the manufactures model or serial number.
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."
750 stands for 18k gold.
750/1000 = 750 means it's 18k gold / 1000 would be 24k UNO-AR is for the designer = Uno A Erre a very well known Jeweler in Italy. 24k - 1000 20k - 875 18k - 750 16k - 625 14k - 500 12k - 475 10k - 350