Louis Heissler Art Deco Signet Ring with Unheated Sapphire and Diamonds on Platinum fred ombre féline d’un vert intense

d’un vert intense

Bracelet articulé en platine (poinçon: mascaron)

Belle Epoque stylean art of curves and delicacy

Broche signée Boucheron Paris

minor chips and wear on the diamonds

Louis Heissler Art Deco Signet Ring with Unheated Sapphire and Diamonds on Platinum fred ombre féline d’un vert intensePlatinum signet ring (hallmark: dog), set in the center with an oval sapphire weighing approximately 0. 90 carats, surrounded by old cut round diamonds with an estimated total weight of approximately 0. 35 carats (estimated color I, estimated clarity SI). Sapphire accompanied by its Carat Gem Lab certificate, specifying natural Siam sapphire without thermal modifications. French piece, circa 1925, Art Deco, by jeweler Louis Heissler (masters