To see a world in a grain of sand and heaven in a wild flower, hold infinity in the palm of your hand and eternity in an hour. -William Blake. Your spirituality is on display with Lab Emerald infinity jewelry. A pair of emerald earrings are a timeless and classic accessory. You can choose from genuine emerald, or more affordable lab-created emerald. Do you know someone who loves brown? A pair of smoky quartz earrings is a unique and interesting gift for that special someone or for yourself.