An elaborate, openwork Belle Epoque-style design in its original case, set with: one diamond weighing approx. 1.65 ct (VS/G), 13 diamonds with a total weight of approx. 4.50 ct (VS-Si2/G-H), 30 diamonds with a total weight of approx. 2.90 ct (VS-P/G-H), 122 diamonds and diamond rosettes with a total weight of approx. 4.10 ct (VS-P/H), and 12 diamonds on a chain with a total weight of approx. 0...