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French Belle Epoque 18ct Gold, Small Green Garnet & Diamond Frog Brooch

643S
Written by Olly Gerrish

This is a tiny and perfectly formed jewel of a frog that was made circa 1910 in France. His body has been set with graduated green garnets or demantoid garnets which is their correct name. Although garnets have been known since ancient times, the demantoid variety was not discovered until 1868 in Russia’s western central Ural Mountains. Miners were immediately stunned by the highly refractive nature of the gem material. They began comparing it to diamond and referred to it as “demantoid”, from the French “demant” meaning diamond. The reason is obvious, with its high brilliance and dispersion. These bright apple green stones are comparatively rare and very expensive as they are no longer mined. In the early 1900s they were a celebrated stone and many items of jewellery were set with these beautiful stones. His eyes are small bright diamonds. He has his big brother or father or mother in our collection so you could buy both!

Item Number
643S
Measurements
Length 1.7cm
Width at widest point 1.3cm
Diamonds approx total weight 0.04 carats
Green garnets approx total weight 0.40 carats.
Date & Origin
Provenance
French
Hallmarks
Eagle's head (French mark for 18ct gold)
Condition
Very Good
Discovered
3 years ago
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