14k gold Plated with Cubic Zirconia Blue Turquoise & Enamel C-Hoop Earrings. Add the tranquility of the sea and endless sky to your wardrobe with these brightly polished 14k gold plated c-hoop earrings. Sparkling princess-cut cubic zirconias secured in four-prong settings complement bright turquoise-blue enamel coatings on the front of each hoop. Butterfly backs keep these chic earrings secure, making them effortless to place on and remove from the ears.