Freshwater pearl with antique sapphire and diamond in gold & silver

Freshwater pearl necklace with antique sapphire & diamond lock in gold & silver.
The lock is in 14 kt gold and silver adorned with a beautiful blue sapphire surrounded by small single cut diamonds.
The lock is not stamped but tested for a vacancy of 14 kt gold and silver.
Length of the chain: 42 cm.
Measurements of the clasp itself: 5 x 15 mm.

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