Lot 145. Important pair of 5.63 and 5.06 carats natural unheated Burmese Mogok “Pigeon’s Blood” ruby and diamond earrings. Estimate HK$6,500,000 - 9,500,000 ( US$833,300 - 1,218,000). © Tiancheng International Each centring on a cushion-shaped ruby weighing...