ART DECO period brooch in platinum (850‰) with openwork decor set with old cut round diamonds and a mocile emerald bead, tasseled, approx. 2 to 3 carats (14k gold pin)

Emerald diameter: 11,56 mm
Dimensions: 5,8 x 3,5 cm
Gross weight: 12,7 g
With a GEM paris laboratory preliminary study n° 20241977791-2 dated July 2024 indicating:
Origin: Colombia
Treatments: Moderate oil (E3-2)