Stephen Russell 18K rose gold, diamond and morganite briolette earrings, price upon request, at Stephen Russell, 212.570.6900. 8 Sutra Jewels 18k black, gold, and blue sapphire earrings, $15,000 ...

Taking inspiration from fish, Boucheron creates the Ama clip earrings in lacquer with diamonds and briolette-cut and fancy-cut amethysts, which hook on top of the ears.