“My best-selling ring is a crab. As soon as I put one in Harrods, it sells the next day. And they’re not cheap—they’re 8,000 quid!”—Stephen WebsterCrawling critters The Jules Verne Crab ring with blue sapphires, black diamonds, and a black opal set under a colorless crystal cabochon in 18k gold; $11,600; Stephen Webster, New York City; 212-226-6160; stephenwebster.comStar Power Elon Musk, founder of Tesla Motors, Jean-Christophe Babin, president and CEO of TAG Heuer, and superstar Leonardo DiCaprio at the 150th anniversary gala for TAG Heuer. COURTESY OF TAG HEUERHigh Drama Opera star José Carreras and flamenco dancer Sara Baras performed at the Chopard gala celebrating the 150th anniversary of the luxury watch and jewelry brand.COURTESY OF CHOPARD“Rebecca was the first in the bronze niche, and we want to ingrain that fact in consumers’ minds.”—Leonardo Lanaro, presi