London Blue Topaz and Swiss Blue Topaz, both respected for their energetic blue shades, are well known decisions among gemstone lovers, yet they have unmistakable contrasts. London Blue Topaz has a more profound, hazier blue shade, with traces of green or dim undercurrents, making a refined and more quelled look.On the other hand, Swiss Blue Topaz is perceived for its splendid, sky-blue tone, a shade lighter and more clear than London Blue. Its brilliant, bright tone gives Swiss Blue Topaz an invigorating quality, making it well known for relaxed or daytime gems.