8 novembre 2019
Emerald and diamond ring
Lot 154. Colombian Emerald of 13.61 carats and diamond ring. Estimate CHF 380,000 - CHF 480,000 (USD 380,000 - USD 480,000) . Price realised CHF 579,000. © Christie's Images Ltd 2019. Square-shaped emerald of 13.61 carats, triangular-shaped and baguette-cut...