Gilan 18k yellow gold, diamond, and amethyst Passionate Heritage earrings, ($53,300) at gilan.com.
Irene Neuwirth 18k rose gold, pave diamond, and amethyst earrings ($22,080) at marissacollections.com.
Jamie Wolf 18k yellow gold and amethyst earrings ($3,300) at Neapolitan Collection, 847-441-7784.
Deborah Pagani Rose of France and amethyst Talula earrings ($7,830) at barneys.com.
Sutra oxidized silver, white topaz, and amethyst earrings ($450) at Fragments, NY, 212-334-9588.