Oscar Heyman bracelet in platinum with 27.93 carats black opal, 10.04 carats sapphire, 9.73 carats emerald, 4.62 carats diamond, and 2.05 carats golden yellow diamond, $260,000, oscarheyman.com ...

Third Place: Mimi Favre of Mimi Favre Studio with platinum “Waterdrop” earrings featuring detachable Tanzanite drops (25.50ctw.) ... Joel Price with a 100.66-carat harlequin pattern black opal.