Brooch 'Flower' with fac. Sapphire surrounded by 8 diamonds

Brooch 'Flower' with fac. sapphire surrounded by 8 brilliant-cut diamonds totalling ca. 0.40 ct, ca. WHITE (H)/SI, 18K yellow gold/white gold, 14.9 g, polished/satined, L: ca. 6, 3 cm, W: ca. 3.3 cm, mid-20th century, minimal signs of wear.