Vintage 9ct Gold Blue John Brooch by Ralph Weston

A fabulous vintage Blue John stone brooch crafted in 9ct yellow gold. It was made by Ralph Weston who traded as Kells Gold & Silversmiths from Grape Lane, Whitby, Yorkshire.
Blue John is one of the world’s rarest minerals found only at Castleton in Derbyshire.
This brooch is in excellent condition.

Hallmarked: Sheffield 1989
Marker’s mark: RW for Ralph Weston
Weight: 3.1 grams
Length: 55mm