19 Carats Cushion Cut Blue Aquamarine Single Stone Deal19 carat cushion cut aquamarine features a captivating blue hue and exceptional eye clean clarity. Expertly shaped into a cushion cut, the stone measures approximately 16. 35 x 13. 36 x 12. 40 mm, offering impressive size and brilliance. Sourced from Madagascar, this 100% natural and untreated gem is a true rarity. As the birthstone for March, it makes a meaningful and elegant choice for fine jewelry settings, whether in a statement ring, pendant, or