Circa 2000s, 18k, by Spark Creations, New York. The 1.0-carat lush cornflower blue sapphire in this gorgeous 18-karat white gold ring is surrounded by a double row of brilliant white diamonds (.20 carats, G color, VS clarity). Perfect for everyday or as an engagement ring, the classic look is underscored by superb fabrication. For over 40 years, Spark Creations, based in New York City, has made spectacular jewelry. Excellent condition.