Art déco - Broche en platine, saphirs et diamants Métal or noir 1 blue cabochon-cut sapphire of

1 blue cabochon-cut sapphire of approximately 1

Small calibrated sapphires

finely guilloché on the case and dial

90 carat) et 14 diamants taille brillant (environ 0

Reference: 579017RV

Art déco - Broche en platine, saphirs et diamants Métal or noir 1 blue cabochon-cut sapphire ofBar brooch Art Deco in platinum, adorned with three cabochon sapphires totaling approximately 11. 9 ct and 28 old cut diamonds totaling approximately 0. 40 ct (G VS). These cabochon sapphires have all the optical characteristics of Ceylon sapphires. Furthermore, they are probably unheated. Work from the 1920s. Weight: 10. 1 g. Length: 7. 2 cm. Width: 7. 4 mm. Cabochon dimensions: 9. 6 x 7. 5 x 7. 6 mm, approximately 5. 50 ct. 8. 0 x 5. 4 x 6. 5 mm,