细节
A 'MYSTERY SET' RUBY AND DIAMOND RING, BY VAN CLEEF & ARPELS
Designed as a calibré-cut ruby bombé panel, flanked by two rows of graduated brilliant-cut diamonds, mounted in platinum, ring size 5½, in navy blue suede Van Cleef & Arpels case
Signed Van Cleef & Arpels N.Y., No. 55724