A rare Graff ruby ring featuring a cushion-cut 8.62ct Burmese ruby in a “pigeon’s blood” shade of red (estimate: US$6.8-9 million) leads the sale of Dimitri Mavrommatis' private collection of jewels at Sotheby's Geneva on 12 November 2014.
A rare Graff ruby ring featuring a cushion-cut 8.62ct Burmese ruby in a “pigeon’s blood” shade of red (estimate: US$6.8-9 million) leads the sale of Dimitri Mavrommatis' private collection of jewels at Sotheby's Geneva on 12 November 2014.
A rare Graff ruby ring featuring a cushion-cut 8.62ct Burmese ruby in a “pigeon’s blood” shade of red (estimate: US$6.8-9 million) leads the sale of Dimitri Mavrommatis' private collection of jewels at Sotheby's Geneva on 12 November 2014.
