Corvidae Antique has dated this piece to the Victorian era.

The largest pearl is approximately 5mm diameter, the smaller ones 4.5mm.
The ring is not hallmarked, it may have been resized at some time.
Size: Q and a half (UK), 8 and a quarter (US). The face of the ring measures almost 2cm across.
Weight: 3.3g.
Corvidae Antique has dated this piece to the Victorian era.
Hand picked jewellery from a friendly family business
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