de Grisogono

The bombé mount pavé-set with circular-cut rubies, centering a pair of step-cut diamonds weighing 5.33 and 5.39 carats respectively, size 53^1/2, signed de Grisogono Genève, numbered, maker's marks for de Grisogono, Swiss assay marks for gold. Accompanied by a case stamped de Grisogono.

Accompanied by GIA reports no. 2151137356 and no. 1156137367, dated 29 September 2025, stating that the diamond weighing 5.39 carats is I Colour, SI1 Clarity, and that the diamond weighing 5.33 carats is G Colour, VS1 Clarity, Excellent Symmetry; together with a copy of an original de Grisogono invoice, dated 15 January 2015.