A star sapphire, emerald, ruby and diamond brooch, of giardinetto design, the vase set with a

A star sapphire, emerald, ruby and diamond brooch, of giardinetto design, the vase set with a cabochon star sapphire measuring approximately 12.5 x 11.1 x 5.7mm, holding an arrangement of flowers set with circular-cut emeralds and rubies and brilliant-cut diamonds, mounted in white gold, length 3.8cm

Accompanied by GCS report no. 81292-39, stating that the sapphire is of Sri Lankan (Ceylon) origin, with no indications of heat treatment