Pompadour ring (2 x 1.8 cm) in 750°°° white gold and platinum, with an openwork scrollwork basket holding, in the centre, an oval Australian sapphire in a closed setting estimated at approximately 3.70 carats (10.8 x 8.5 x 4.9 mm) surrounded by 16 old-cut diamonds totalling approximately one carat. Gross weight: 5.1 g TDD 56