A RUBY, DIAMOND AND GOLD NECKLACE, OSCAR HEYMAN & BROTHERS

Details
A RUBY, DIAMOND AND GOLD NECKLACE, OSCAR HEYMAN & BROTHERS
Designed as a line of alternating marquise-cut rubies and diamonds, the front suspending a similarly-set articulated pendant, mounted in 18K gold--15¾ ins. long
With maker's mark for Oscar Heyman & Brothers, No. 600551