Circa 2000s, 18k, by Spark Creations, New York. These sleek contemporary studs are set with .50 carats of vivid red ruby surrounded by .20 carats of sparkling white diamonds (G color and VS clarity). Dimensional and luminous, the look is all color and dazzle. Well-made in eighteen-karat yellow gold, they sit comfortably on the ear. Spark Creations is renowned for superior fabrication and their use of only the best stones. Excellent condition.