YEARS 1900 DIAMOND RIVER NECKLACE Comprising a drop of brilliant-cut (old-cut) diamonds and openwork platinum bezels. Gross weight: 31.14 g. Length: 38.8 cm. Total diamond weight: approximately 28 to 35 carats. Weight of the central diamond: approx. 2.90 to 3 carats. Provenance: The current owner's mother was a Norman aristocrat, very close to Isabelle d'Orléans, Countess of Paris. A diamond and platinum necklace, circa 1900. Gross weight : 31,14 gr. Length : 38,8 cm. Total diamond weight : 28 to 35 carats approx. Center diamond weight : 2,90 to 3 carats approx. Provenance : The mother of the current owner was a Norman aristocrat, very close to Isabelle d 'Orléans, Countess of Paris.