Lot 2045. Important 10.98 carats D IF Type IIa Diamond Pendant Necklace. Estimate: HK$8,200,000.00 - HK$12,000,000.00 (US$1,050,000-1,500,000). © Christie's Images Ltd

Heart brilliant-cut diamond of 10.98 carats, circular-cut diamonds, gold, 41.0 cm 

GIA, 2018, report no. 1192355300: 10.98 carats, D colour, Internally Flawless clarity, excellent polish and symmetry, Type IIa. 

Christie's. Hong Kong Magnificent Jewels, Hong Kong, 27 november 2018