Lot 124. Type IIa diamond ring of 10.28 carats, mounted by Cartier. Estimate CHF 450,000 - CHF 550,000 (USD 450,000 - CHF 550,000). Price realised CHF 615,000. © Christie's Images Ltd 2019.
Pear brilliant-cut diamond of 10.28 carats, 1988, platinum (UK hallmark), ring size 6 ¾, signed Mtd Cartier London, no. 48423.
GIA, 2019, report no. 2205400682: 10.28 carats, D colour, VVS2 clarity, potentially Internally Flawless, type IIa.
Christie's. Magnificent Jewels, Geneva, 12 November 2019
