Made with 18 karat white gold diamond and emerald drop earrings. Diamonds, totaling 3.55 carats. With Chopard's L'Heure du Diamant luxury jewelry collection, diamonds truly are forever. In a stunning display of style and craftmanship, L'Heure du Diamant emerald earrings are a luxurious ode to femininity, as diamonds sparkle in a never-ending celebration of light. Precious Hours.