1 thought on “What does it mean that CTFAU750D0186VW2FJ is marked on the ring”

  1. CTF may be the name of the factory or store
    au750 is gold, with 750 tenths of the gold content, which is 18K gold
    d0.186 is the weight of diamond
    VW2FJ should be the serial number of the factory factory.

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