18k Blackened Gold & Ruby "Secret" Ring

Known as a "Secret," or "Poison" ring, this ring features an innovative rotating flat disc-shaped top that opens to reveal a hidden compartment, the top, profile and shoulders of the band pavé-set with 270 round rubies weighing approximately 6.93 total carats, mounted in blackened 18k white gold, the ring measuring 20mm in diameter from the top, numbered 'EI6649' and signed 'Boucheron'. Size 4.5.