lot-294-the-unmounted-75.41-carat-cushion-cut-burma-blue-spphire-1 Published December 9, 2016 at 1632 × 896 in Christie’s December 7, 2016 New York Magnificent Jewels Sale Realizes US$51.25 million Lot 294 – A SENSATIONAL SAPPHIRE RING← PreviousNext →