Exceptional signed Chaumet of Paris blue sapphire three band yellow gold ring.   This estate Chaumet sapphire ring features a bezel held oval blue sapphire.  This high quality blue sapphire is mounted amongst three heavy yellow gold bands.  This signed and numbered estate ring is created in 18kt ( 750 ) yellow gold.

Chaumet and Company was founded in France in 1780. They were commissioned to make the Emperor' of France's crown and sword.  They also designed the wedding jewelry for Marie Louise in 1810.

One high quality oval blue sapphire measuring appx 0.68 ct tw, 6.38 x 4.16 x 2.94mm
Measures: 1/2" north to south, 1/8" height above finger
Hallmarks: CHAUMET PARIS, 750, NUMBERED
Size: 5.5
Weight: 15.5 Grams

Contemporary estate signed jewelry in excellent condition.