Platinum, White Gold & Diamond Brooch

--- PERSONAL DELIVERY STRICTLY (Mantes-La-Jolie, 78) --- Spectacular antique 950/00 platinum brooch. Omega shape, fitted with a 750/00 white gold system featuring a set of old-cut diamonds, 8/8 and 16/16 HSI quality for an estimated total of at least 6 carats: - a central diamond d/56 0.70ct approx. bezel-set; - 2 diamonds d/45 0.35ct each approx. bezel-set; - 1 diamond d/52 0.55ct and one d/49 0.45ct approx. bezel-set; - 8 baguette diamonds 53x24 and 48×21 bezel-set; - twice a set of 4 baguette diamonds set one above the other in a bezel-set 0.80ct approx.; - a set of round diamonds set with claws 0.47ct approx.; - a set of 34 round diamonds for 1.74ct approx.; - a set of 6 navette diamonds 35×20, 39×20,43x20 bezel set; - a set of 44 grain set diamonds; - a ½ moon shaped diamond 44x/23 and a pentagon shaped diamond 39x39 bezel set. French work.