BOUCHERON brooch in yellow gold, silver, enamel, sapphire and diamonds

Boucheron brooch in 18k yellow gold and silver featuring a bird singing on a branch of flowers, the bird's body adorned with guilloché enamel and set with 8/8 diamonds, the eye in sapphire, the branch of flowers set with brilliant-cut, baguette-cut and 8/8 diamonds.Clip system. Jean Thierry Bondt hallmark.