Over 4,800 hours of craftsmanship and a 10.10-carat Zambian emerald—Zoe Saldaña’s Cartier necklace was a red carpet statement like no other.

The Academy Award-nominated actress chose a jewelry legend for the biggest night in Hollywood.

At the heart of Deepika’s look was a statement Cartier High Jewellery necklace, a masterpiece of intricate craftsmanship. The design featured black-and-white patterns inspired by butterfly wings ...