SHAY BLUE SAPPHIRE MARQUISE WAVE RING Same Wave architecture, different stone. A marquise-cut blue sapphire lines the curved band, each one set to follow the shape rather than fight it. The color is deliberate- blue that reads more mineral than gem. Details: 18-karat gold Blue Sapphire: approx .33cts Natural stones only Product Number: SR618 Looking for something bespoke? Contact us . Slight variations in color, shape, and size are part of their beauty.