Belle Epoque, natural pearls and diamonds brooch

Platinum brooch, 18-carat gold pin, eagle's head hallmark. It forms a crown set alternating with old-cut grain-set diamonds and fine pearls. It is topped with a knot entirely paved with diamonds holding a larger fine pearl as a tassel. It is accompanied by its certificate from the gemmology laboratory specifying FINE PEARLS without treatment. Button and drop shape Dimensions: 4.8 -4.9 X 3.9 mm and 6.7 - 6.8