Otto Frei

Swiss Blue Topaz is the trade name used to describe a vivid medium to medium-dark blue hue of topaz. This gem is a great alternative to aquamarine,...

Swiss Blue Topaz is the trade name used to describe a vivid medium to medium-dark blue hue of topaz. This December birthstone is a compelling alter...

Sky Blue Topaz is the trade name used to describe a bright light blue hue of topaz. This genuine faceted marquise stone is an excellent alternative...

Swiss Blue Topaz is the trade name used to describe a vivid medium to medium-dark blue hue of topaz. This gem is a great alternative to aquamarine,...