Corvidae Antique has dated this piece to the Victorian era.

Hallmarked for Birmingham 18-carat gold; the date letter has been lost, possibly when the ring was resized at some point in its history.
The ring is in very good antique condition; the bloodstone has some surface abrasions and the gold shows surface wear commensurate with its age.
Size: 5 and a quarter (US), K (UK). The stone measures approx 13 x 10mm and the top of the ring sits around 3mm above the finger.
Weight: 3.6g.
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Corvidae Antique has dated this piece to the Victorian era.
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