Hyderabad, Aug. 5 -- Once regarded as the richest man in the world, Mir Osman Ali Khan, the last Nizam of Hyderabad, was not just a ruler, but he was a patron of legacy, luxury and fine craftsmanship. Among the many global relationships he fostered, one stands out for its brilliance and beauty- his enduring connection with the French luxury house Cartier.

At a time when Hyderabad was not just known for its palaces but also for its unparalleled collection of Golconda diamonds, Basra pearls, emeralds and much more, the Nizam quietly forged a cross-continental relationship that would influence royal jewelry for decades.

This is the story of how Hyderabad's jewels met Parisian design and how one of India's greatest royals became a silent ye...