The carved ruby makes these stand out. (Diamond & Carved Ruby Drop Earrings | Amrapali)
CARTIER. "Rajasthan" Brooch - platinum, one 16.40-carat carved sapphire from Burma, carved rubies, sapphires diamonds, and emeralds, one
Ruby and diamond jabot pin, Janesich, 1920s. Designed as single- and circular-cut diamond cascade motif set with a cabochon ruby, mounted in platinum, signed Janesich and numbered, French assay and maker's marks.