Woodbridge Antiques has dated this piece to the Victorian era.
It is a lovely coloured stone with plenty of sparkle. The setting has a decorative edge and tests as 18ct gold on base metal pin with a decorative twist.

Period: Victorian
Condition: In lovely antique condition, and the pin is nice and straight.
Length including pin 7.6 cm Setting: 1.7 x 1.2 x 0.7 cm Weight 4.15 grams
Weights and measurements are approximate.
Woodbridge Antiques has dated this piece to the Victorian era.
Specialists in quality antique silver, fine jewellery & accessories
You can view the stock and full dealer information on the Woodbridge Antiques Profile Page