A 19th century replica of a Renaissance jewel

A 19th century replica of a Renaissance jewel, beautifully formed in silver and the the torso realistically formed from a large natural pearl, she is gazing to the heavens and set with rubies and emeralds to the gilt tail, the shawl decorated with blue enamel and pinned at the chest with a ruby and four rose cut diamonds, possibly French, brooch pin probably a later addition, in fitted case for Harvey & Gore Bigo, 6.5cm high, from the pearl it is approximately 3cm high.