18K (750/000) yellow gold band ring set with a rounded old-cut diamond. Estimated diamond weight: 5.2 x 5.1 x 3.5 mm approx. 0.59 carat. TDD : 50. Gross weight: 5 gr. High resolution photos: https://bit.ly/hdv-lausanne Exhibition : LA SALLE 20 rue DROUOT 75009 PARIS Tuesday 7 April 10-18 H and Wednesday 8 April 2026 10-17 H Live sale behind closed doors 1004 LAUSANNE - SWITZERLAND : Friday 10 April 2026 2 pm Delivery of lots free of transport costs to PARIS, LYON, MARSEILLE and LAUSANNE a few days after the sale. Or shipment from FRANCE at the buyer's expense by the carrier of his choice.