Day Clark & Co. Art Deco Onyx Rock Crystal Quartz 18 Karat White Gold Screwback Drop Earrings Old Mine Engagement 98 carat with F color

98 carat with F color and SI1 clarity

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

Suspending articulated links with basket set pear cut aquamarines and round brilliant cut diamonds

Centering 5 old European and single cut diamonds

Day Clark & Co. Art Deco Onyx Rock Crystal Quartz 18 Karat White Gold Screwback Drop Earrings Old Mine Engagement 98 carat with F colorGeometric 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