Sterling silver, like white gold, gives more of a neutral setting compared to other precious metals, thereby accentuating the gems virtues; as with this gorgeous London Blue Topaz Celtic knots are based in ancient history dating back 5000 years: symbols of eternal life and hidden meanings Silvershake Genuine London Blue Topaz 925 Sterling Silver Celtic Knot Heart Ring, is shipped with anti-tarnish protection in reinforced gift boxes & satin-style pouches; guarantee far-outlasting competitors Blue Topaz, an alternative Birthstone for December along with Zircon Tanzanite and Turquoise, comes in degrees of intensity; from Sky, Swiss to London blue all with diamond-like fire Silvershake Genuine London Blue Topaz 925 Sterling Silver Celtic Knot Heart Ring Size 6