This product is a pair of 22.40 carat Spiny Oyster Copper Turquoise cabochon loose gemstones, sourced from South Africa and treated to enhance color. The gemstones are opaque, blue in color, and of excellent cut grade. With a polished finish and eye clean clarity, these oval-shaped gemstones measure 23 mm in length, 13 mm in width, and 3 mm in depth. The brand, gemcreations, ensures quality and authenticity for these unique gemstones used in jewelry and watch making.