Pair of cultured pearl ear studs with 18ct yellow gold pins and butterflies, the pearls are inset with single brilliant cut diamonds with rub over mounts. Each piece is stamped : " 750" ( 18ct. ) and " C B." C B is the maker's mark and is that of Carl Bucherer, Switzerland. Bucherer is one of the most renowned Swiss jewellery makers and watch makers.
Size : both pearls are of a uniform round similar size - each has a diameter of 1 cm. ( 0 25/64" ) and the pair has a total weight of 4g.
Condition : very good
Cultured freshwater pearls are pearls that are farmed and created using freshwater mussels. These pearls are produced mainly in Japan and the United States on a limited scale, but are now almost exclusively produced in China. The quality of cultured freshwater pearls is evaluated through a grading system of a series of A values, based on luster, shape, and other factors.Originally pearls gathered in the wild from the Holarctic freshwater pearl mussels were important sources of pearls for Medieval and Renaissance jewellery, with Italy, France and Scotland major sourcing grounds. This species is now endangered and protected in most areas, hence the cultured pearl was developed to meet the ever increasing demand for pearls.
Gold (18ct) mounted pearl (cultured) earrings with a brilliant diamond apiece, 1985.