French Art Nouveau Carved Agate, Ruby & Diamond Flower Brooch queen anne Clear English hallmarks denote 15

Clear English hallmarks denote 15 karat gold and the year 1876

50ct old mine cut diamond

with some positing it was on old counting-out rhyme based on Cumbric numbers Hevera (8)

Central stone: 5

70ct Brilliant Cut Diamonds - H/I colour

French Art Nouveau Carved Agate, Ruby & Diamond Flower Brooch queen anne Clear English hallmarks denote 15DATE: Art Nouveau, c. 1910 Wonderful antique Art Nouveau brooch dating from early 20th century France. Modelled as a flower, it's carefully carved from agate, each with fine engraving creating realistic details. It's set with a diamond cluster centre, and very typically Art Nouveau, the diamond set stem that swoops up to the head of the flower, with a ruby cabochon and carved agate leaf. Crafted in 18k yellow gold and platinum. STONES Carved Agate