A vintage Art Deco stick pin featuring an emerald-cut pinkish-red synthetic ruby in a geometric 10K white gold setting. The octagonal design and clean lines reflect the strong geometric aesthetic of the period.
The gemstone tested in the corundum/ruby-sapphire zone and is identified in the supplied information as a vintage synthetic or lab-grown ruby.
 
Specifications:
Metal: 10K white gold
Gemstone: Synthetic / lab-grown ruby
Cut: Emerald cut
Style: Art Deco
Era: Described as 1920s–1930s
Gemstone testing: Corundum / ruby-sapphire zone
Condition: Vintage, pre-owned