February's birthstone, Amethyst, was favored by Saint Valentine and the gift of lovers Pendants with Celtic basic knots, from the Celt culture, date back over 2,500 years before Christianity We ship Silvershake Genuine Amethyst 925 Sterling Silver Celtic Knot Pendant with 18 Inch Chain Necklace in anti-tarnish protection, reinforced gift boxes with satin-style pouch with a guarantee period far-exceeding our competitors Did you know that in the past Amethyst, February’s birthstone, was perceived as high in value as ruby, sapphire, emerald and diamond Silvershake Genuine Amethyst 925 Sterling Silver Celtic Knot Pendant with 18 Inch Chain Necklace