ART DECO SAPPHIRE AND DIAMOND BROOCH, BULGARI

ART DECO SAPPHIRE AND DIAMOND BROOCH, BULGARI

Cushion-shaped sapphire of 30.30 carats, baguette and old-cut diamonds, platinum and gold, 6.9 cm, signed Bvlgari

Gübelin, 2017, report no. 17070088: 30.30 carats, Sri Lanka, no indications of heating

SSEF, 2017, report no. 93515: 30.303 carats, Ceylon, no indications of heating