The "SB 10K" marking on your ring indicates that it is made of 10 karat gold, which means it contains 41.7% gold and 58.3% other metals. The "SB" likely refers to the manufacturer or designer's initials or brand. This mark is a way to assure the quality and authenticity of the gold content in the jewelry.
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I have a ring that has crp 10k printed on the inside. What does it mean?
10k 512 means, you have a 10k gold ring with 5.12carat's total gem weight.
hj is company mark 10k means 41.7% gold content in total weight of the ring.
Hii
I Believe It would be the ring being sterling silver with 10k black hills gold.