4.5mm Swiss Blue Topaz Round Cut Gemstone - Add a Splash of Colour to Your Jewellery Designs
Introducing our vibrant 4.5mm Swiss blue topaz gemstones, featuring an almost electric blue hue and excellent cut. We offer three distinct shades of blue topaz - sky blue (light blue), London blue (dark blue), and Swiss blue (bright blue). All our gemstones are ethically sourced, and we provide diameter-calibrated stones specifically for the jewellery trade.
- Authentic Swiss Blue Topaz
- 4.5mm Round Cut
- Striking Blue Colour
- Superior Cut
Note that the images displayed represent the cut and colour swatch of the gemstone. Due to their natural origins, each gemstone may vary slightly in shade and size. For multiple gemstone orders, we will strive to select the most closely matched items.
We provide a detailed invoice for each gemstone purchase. If you or your client require additional certification or a comprehensive report for a specific gemstone, please consult an independent laboratory of your choice.
Discover the Beauty of Topaz Gemstones
Topaz gemstones exhibit a wide range of colours, with most gem-quality topaz varying from transparent to translucent. Celebrated for its stunning vitreous lustre, topaz is the birthstone for November and the zodiac gemstone for Scorpio. With a hardness of 8, topaz is a durable gemstone believed to encourage good health when placed in a home.
Topaz Treatments and Identification Methods
Topaz can undergo heat and irradiation treatments to alter its colour, while coatings may be applied to create green shades and optical effects. Dichroscopes and Chelsea colour filters can be employed to help identify topaz gemstones.
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