Sapphire and diamond cluster ring

Sapphire and diamond cluster ring circa 1910. 

Bicolore gold 18 Karat ring set with a center natural non heated Cambodian sapphire of approximately 1.41 Carats and 10 old European cut diamonds for a total of approximately 1.80 Carats ( estimated G color - Vs/Si clarity). 

Weight: 5,7 grams