The 925 is indicative of 92.5% sterling silver.
That it is sterling silver but may be gold plated.
925 stamped into a piece is the symbol that proves that the piece is sterling silver. It is possible that what you are reading is actually 92.5 which would mean that the earring contains 92.5% gold, the rest being alloy.
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925 is the metal content for sterling silver. This means it is 92.5% pure sterling silver which is the standard.
925 means that it is sterling silver and cz means cubic zirconia (which means its they are not real diamonds).
This isn't supposed to be here, now is it?
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