Swiss blue topaz jewelry brings the saturated blue of a clear winter sky to your collection. This topaz variety gets its signature electric hue through a combination of heat treatment and irradiation of natural white topaz, creating that distinctive medium-dark blue that falls between pale sky blue and deep London blue. With 8 on the Mohs hardness scale, Swiss blue topaz holds up well to regular wear. Our sterling silver settings let the stone's color take center stage. Browse over 130,000 pieces with free shipping across the US.
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Swiss blue topaz has a medium saturation level, brighter and more electric than sky blue topaz but lighter than London blue. The color resembles tropical waters or a bright winter sky.
Yes. Swiss blue topaz starts as natural colorless topaz. Heat treatment and irradiation bring out the blue color, an industry-standard process used for decades. The base material remains genuine topaz.
Topaz rates 8 on the Mohs hardness scale, making it suitable for rings, bracelets, and other jewelry worn regularly. It resists scratching better than many popular gemstones.
Blue topaz is one of December's birthstones, alongside tanzanite and turquoise. Swiss blue topaz makes a popular choice for December birthday gifts.