Peridot is mentioned by Shakespeare in Othello as “Chrysolite, and by the first French Pope Sylverster II in the 10th century who referred to Peridot as “Perytotes” Sterling silver rings made with the Celtic Triquetra knot are heirlooms of history; carrying a sacred symbolism precious to many cultures We ship Silvershake Natural Peridot White Gold Plated 925 Sterling Silver Triquetra Celtic Knot Ring in anti-tarnish protection, reinforced gift boxes with satin-style pouch with a guarantee period far-exceeding our competitors Peridot, August’s birthstone, was known as ‘Crisolite’ in the Middle Ages meaning 'Golden Stone' Silvershake Natural Peridot White Gold Plated 925 Sterling Silver Triquetra Celtic Knot Ring Size 6