This elegant pair of cufflinks features combination of navy blue and gray cats eye stone fused togethar. Cufflink is then covered with fiber optic glass & framed in an arched silver frame. Cat eye stone is gemstone that displays a thin band of reflected light on its surface when cut as a cabochon. Cabochon is a convex style of cutting gems. The optical effect, known as chatoyancy, is caused by the reflection of light from very thin, closely spaced filaments in parallel arrangement within the stone. Check our stores for other colors in similar style.