https://www.jansjewels.com/13mm-LT-Siam-Ruby-Cabochons_p_16205.html
13mm LT Siam Ruby Cabochons-0383-68
13mm LT Siam Ruby Cabochons-Price listed is for four glass stones. These are approximately 13mm light Siam ruby cabochons. They have smooth round tops
ruby cabochonsltsiam
https://trifari.com/pages/duj588.html
Dujay Pave Metallic Enamel Invisibly Set Sapphires and Ruby Cabochons Six Roses Wide Flower Bracelet
DUJ0588 Size 7.2" x 1.25" - US$15750 - Decade 40s
https://www.labradoritestore.com/fr/product-page/ruby-faceted-cabochons-4-piece-size-12-10-mm-approx
Ruby Faceted Cabochons 4 Piece Size 12-10 MM Approx | Labradorite Store
Ruby Faceted Cabochons 4 Piece Size 12-10 MM Approx