Lot 2050. A 10.43 carat fancy vivid yellow diamond ring. Estimate HKD 3,600,000 - 4,200,000 (USD 460,800 - 537,600). © Poly Auction Hong Kong Limited

Set with a rectangular-shaped fancy vivid yellow diamond weighing 10.43 carats, flanked by two triangular-shaped diamonds, decorated with circular-cut diamond surround, mounted in platinum and 18K gold, ring size 6. 

Accompanied by report no.2181289963 dated 28 April 2017 from the GIA stating that the 10.43 carat diamond is natural Fancy Vivid Yellow color, VVS1 clarity.