Platinum, White Gold and Diamond Collar Necklace

Of a bombé design, composed of 6 rows of round brilliant cut diamonds.Diamonds weighing a total of approximately 75.00-80.00 caratsSigned Cartier, with serial numbersFrench assay marksPlatinum18 karat white gold for the claspTotal weight 215.54 gramsLength 17¾ inches, width ½ inchAccompanied by a GCS London report, no.5784-1263, dated 02022024Accompanied by a service paper from original manufacturer