Aquamarine, first used to describe the color in the late 15th century, is instantly recognizable: set into neutral sterling silver jewelry, Aquamarine’s delicate yet mesmerizing hues are intensified Sterling silver rings made with the Celtic Triquetra knot are heirlooms of history; carrying a sacred symbolism precious to many cultures Silvershake 1.43ct. 10X7mm Genuine Pear Shape Blue Aquamarine 925 Sterling Silver Triquetra Celtic Knot Ring; is shipped to you in anti-tarnish protection inside reinforced gift boxes with satin-style pouches; guaranteed beyond competitors March’s birthstone, Aquamarine, sparkles its gemstone brilliance from the shores of Sri Lanka, Madagascar and Brazil Silvershake 1.43ct. 10X7mm Genuine Pear Shape Blue Aquamarine 925 Sterling Silver Triquetra Celtic Knot Ring Size 8.5