Art Deco Blue John Button Earrings castellani it's crafted in 15 karat

it's crafted in 15 karat yellow gold throughout with the most incredible antique patina giving the links a soft matte look

The sleek quatrefoil shaped head has applied distorted half moons

Brilliant Cut Diamond (2pts

most probably using gold from another heirloom (hence the 18ct stamp) on one of the bands

Art Deco Blue John Button Earrings castellani it's crafted in 15 karatDATE: Art Deco, c. 1920 A charming pair of antique blue john earrings dating from the Art Deco period, circa 1920. They feature silver "clip on" backs and a single domed cabochon of rich purple with a white band running through it. STONES Blue john cabochon (fluorite) MEASUREMENTS 18mm (diameter) WEIGHT 7. 6g (pair) MARKS No marks present, tests as silver CONDITION Good, one stone has a chipped back. Not really noticeable when worn