Opal is a treasured gem all over the world. A symbol of hope, purity, and love, opal earrings make an elegant and luxurious gift. The unique icy blue color of aquamarine looks ideal with any complexion and eye color, making a pair of aquamarine earrings a perfect gift. 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.