Soleil de Minuit brooch

Brooch in white gold, set with a cushion-cut red spinel weighing 18.47 carats, 2 pear-shaped blue spinels weighing 5.60 and 1.12 carats, 2 pear-shaped chrysoberyls weighing 3.51 and 2.27 carats, 3 pear-shaped indicolite tourmalines weighing 3.04, 1.47 and 0.65 carats, a pear-shaped red spinel of 1.19 carats, a pear-shaped chrysoberyl of 0.33 carat, round sapphires, blue spinels and rhodolite garnets and brilliant-cut diamonds.