
Brooch of gold with diamonds, amethysts and jasper
Beautiful jewelry by St. Petersburg true style "Catherine Kostrigina"
https://ru.pinterest.com/pin/259871840979887467/
![Art Deco Platinum, Amethyst, and Demantoid Garnet Thistle Brooch, the carved amethyst thistle with 18kt gold and demantoid garnet melee cap, resting on knife-edge bars, old mine-cut diamond melee edges, lg. 1 1/2 in. [This is really strange. I wonder if it was made for some specific purpose or organization]:](https://s-media-cache-ak0.pinimg.com/564x/7c/fc/b1/7cfcb1efa438863af3bebb8030455d1d.jpg)

Art Deco Platinum, Amethyst, and Demantoid Garnet Thistle Brooch, the carved amethyst thistle with 18kt gold and demantoid garnet melee cap, resting on knife-edge bars, old mine-cut diamond melee edges, lg. 1 1/2 in.
https://ru.pinterest.com/pin/137641332332675608/
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VINTAGE 9CT GOLD AMETHYST PEARL SCOTTISH THISTLE BROOCH
https://ru.pinterest.com/pin/176414510378665525/