A Platinum, Diamond, Colored Diamond and Invisibly Set Sapphire Cat Brooch, depicting a pave set diamond cat playing with an invisibly set sapphire ball, containing numerous round brilliant cut diamonds weighing approximately 3.94 carats total, eight round brilliant cut yellow diamonds (origin of color not tested) weighing approximately 0.31 carat total, and numerous calibre and round mixed cut sapphires.Stamp: PLAT. 19.10 dwts.