With its asymmetric silhouette and an innovative design that allowed a woman to put it on unaided, Boucheron’s Question Mark necklace was the pinnacle of modernity when it launched at the end of ...

Boucheron is another garnering a ... while ribbed coral beads accentuated with smaller turquoise beads and emeralds sit on ...

Elsewhere, Boucheron in 1879 unveiled the Point d’Interrogation necklace. Asymmetrical in design, the question mark-shaped gem does away with complicated clasps, affording freedom of wear.

The 1980s classic, the Rubik's cube, is brought back as a necklace, with cubes alternating grey and pink spinels, pink sapphires, and diamonds forming 21 parts, like the original toy itself. On the ...