Art deco platinum ring - blue and brilliant sapphires

Origin: European - French
Confection: fine work of high antique jewelry
Circa: 1920

Metal: 950 platinum
Gems: 6 natural blue carre cut sapphires of 0.10 ct each
2 full cut central diamonds of 0.20 ct each color E/G-purity IF-VVS1

Total weight: 2.5 grams
Measurements: ring number 15
Inner diameter: 1.6cm
Remarks: exclusive period piece
Perfect state