Corvidae Antique has dated this piece to the Victorian era.

In very good antique condition; there is surface wear to the agate consistent with normal usage over time and the ring shank is slightly out of shape, see photos.
Size: J and a half (UK), 5 (US). The agate measures 1 x 1.3m and the complete face of the ring is 1.5 x 1.3cm. It sits around 4mm above the finger.
Weight: 4.6g.
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Corvidae Antique has dated this piece to the Victorian era.
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