From Mineralogy Chicago This Emerald birthstone necklace makes a thoughtful gift for anyone in your life with something to celebrate! ◊ This necklace is part of Mineralogy’s birthstone collection, ◊ Birthstone measures 4 mm in diameter and weighs approximately 0.25ct. ◊ Bezel setting is 14k recycled yellow gold, polish finish. ◊ 14k gold chain measures 18" in length. Made a duplicate purchase. This necklace has never been worn and is beautiful!