Diamond tiara, late 19th century. Photo Sotheby's 

Designed as three floral sprays, set with cushion-shaped, circular-cut and rose diamonds, inner circumference approximately 226mm, each spray detachable and may be worn as a brooch, fitted case. ESTIMATE 29,000-49,000 CHF. Lot Sold: 45,000 CHF

FORMERLY IN THE COLLECTION OF COUNTESS COSTANZA PASOLINI ZANELLI MAGNAGUTI