The monochrome style of black and white, as seen here contrasting created onyx and sterling silver jewelry, is a classic look that is always dependable in the fast paced world of fashion Pendants with Celtic basic knots, from the Celt culture, date back over 2,500 years before Christianity Silvershake Created Black Onyx Inlay 925 Sterling Silver Celtic Knot Solitaire Pendant with 18 Inch Chain Necklace; is shipped to you in anti-tarnish protection inside reinforced gift boxes with satin-style pouches; guaranteed beyond competitors Created gems are simulated: not synthetic. They make excellent and very affordable alternatives. They are not mined, have a smaller carbon footprint and are more environmentally friendly Silvershake Created Black Onyx Inlay 925 Sterling Silver Celtic Knot Solitaire Pendant with 18 Inch Chain Necklace