Art Deco Boulder Opal Pendant art deco I'm not sure exactly why

I'm not sure exactly why I'm so taken by this one

A substantial antique band dating from the Victorian era

four in total

50ct Ruby (calculated weight)

***RESERVED***

Art Deco Boulder Opal Pendant art deco I'm not sure exactly whyStriking vintage boulder opal pendant dating from the 1930s. The 9 carat gold setting has been custom made to match the shape of the stone, complete with original diamond and opal set bail and period chain. The stone has been cut to expose a seam of precious opal, bursting with rainbow colours and incorporating parts of the ironstone rock matrix. Era: Art Deco, circa 1930 Size: 3. 6cm by 1. 1cm (including bail) Chain: 14. 5 inches Marks: None, tested