Opal Engagement Ring 14K Opal Diamond Sapphire Ring Art Deco Black Opal Engagement Ring 1920s Blue Sapphire Diamond Halo October Birthday

Stunning antique fiery genuine Australian opal ring with oval cut opal cabochon center stone encircled by a halo of genuine diamonds and natural blue sapphires set in 14K white gold. This is a rare and stunning art deco era setting with nice symbolism in 12 diamonds and 12 sapphires (one for each month of every year) forming the "halo". The opal has fiery blue and green tones with glowing coral and red tones for a brilliant play-of-color. The opal measures 7 mm x 5 mm (about .70 carat...