Day Clark & Co. Art Deco Onyx Rock Crystal Quartz 18 Karat White Gold Screwback Drop Earrings Old Mine Engagement Bypass style ring with beautifully

Bypass style ring with beautifully split shoulders and centers an oval cut Ceylon sapphire weighing 3

Tubular pendant features a highly rendered serpent dragon design

Completed by subtle cathedral shoulders

Double pin stem and tested as 18 karat gold

Terminating as a waved toggle bar clasp accented by a rose cut diamond

Day Clark & Co. Art Deco Onyx Rock Crystal Quartz 18 Karat White Gold Screwback Drop Earrings Old Mine Engagement Bypass style ring with beautifullyGeometric surmount centers a 5. 0 mm faceted octagonal cut onyx with a faceted white gold surround Suspending articulated knife edge bar links alternating with 2. 5 mm onyx beads Terminating as a faceted pampel drop comprised of contrasting rock crystal quartz with onyx Completed by screwbacks Mounting tested as 18 karat white gold while screwback is stamped for 14 karat gold Maker's mark for Day Clark & Co. Circa: 1920s Measures: 5 16 x 2 3 8 inches