The term "gm16" on a ring typically refers to the ring's gold content, specifically indicating that it contains 16 grams of gold. The "gm" stands for grams, while the number usually denotes the weight of the gold used in the piece. It's important to check the entire hallmark or engraving, as additional markings may provide further information about the purity or type of metal used.
925 on a ring mean
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