Antique Art Deco opal old cut diamond double drop earrings 9 carat gold

Era: Late Edwardian - Art Deco 1910-20
Metal: 9 carat gold
Gemstones: Old cut diamond 4mm diameter. Opal 5mm each earring both measured in setting.
Approx. total diamond carat weight 0.80ct
Approx. total opal carat weight 1.0ct
Weight: 2.5grams
Drop: 23mm
Diameter: Diamonds 4mm, opals 5mm
 
These lovely earrings date from the Art Deco era and consist of old cut diamonds and vibrant opals, held in an 8 claw setting, all articulated for movement.
 
The open back Diamonds are wonderfully bright, verbally graded F/G colour and VS clarity and the opals have a full range of rainbow colour including red.
 
The backs are the original large antique butterfly fittings with a very secure screw thread for safety.
 
They are beautifully made in great condition and a really elegant pair of antique earrings, very unusual in design.