Lot 85. An inscribed ruby bead, Iraq, Iran or India, 14th-15th century; 5/8in. (1.5cm.) high; 3/8in. (0.8cm.) wide; ¼in. (0.5cm.) deep. Estimate GBP 5,000 - GBP 7,000 (USD 6,280 - USD 8,792). © Christie's Images Ltd 2020. 

Of irregular form, the polished surface with a cursive Arabic benedictory inscription, 5.6 carat. 

Christie's. Art of the Islamic and Indian Worlds Including Oriental Rugs and Carpets, London, 2 April 2020