Vintage 14K PSCO Natural Ruby Diamond Ring Art Nouveau Size 7 Filigree Starburst

Vintage condition: Good (some minor wear; some slight yellow discoloration on the setting/band). Elegant vintage Art Nouveau style recreation filigree PSCO ring! Featuring a 0.03 carat natural round cut Diamond, and a halo of sixteen 0.015 carat natural pink-red Rubies; set in 14K solid white gold. Marked 14K SCO (PSCO or Plainsville Stock Company); and acid tested. This ring is a size 7 This ring weighs 3.19g This ring measures 18mm from the front; and 1.5mm from the back of the band.