Russian gold brooch with amber, opals, and pearls

Russian gold brooch with amber, opals, and pearls St. Petersburg, 19th century
Belonged to Russian singer Medea Mei Figner, beetle-shaped setting in low-titre gold, decorated with a central garnet cabochon, three small opals to give the idea of the rainbow generated by the flapping of the insect's wings in nature, and small pearls. Hallmarked with the hallmarks in use in Russia, St. Petersburg, at the end of the 19th century, worn gold marks; verified with XRF spectrometer it is guaranteed to be gold at the approximate title of 14k.Dimensions: 5.5 x 3.4 cm. Weight: 17.6 g. Item condition grading: **** good.The lot is in a good state of preservation with the normal wear and defects commensurate with its age and use over time.