Natural Blue Topaz – 23.39 ct – ALGT Certified – Pear Mixed Cut "Sky Blue". Gemstone: Natural Blue Topaz Trade Name: Sky Blue Topaz Weight: 23.39 carats Shape/Cut: Pear Mixed Cut Dimensions: 21.97 × 14.97 × 9.85 mm Colour: Vivid sky blue with bright ocean-blue flashes Transparency: Transparent Lustre: Vitreous / highly brilliant lustre Condition: Excellent condition with attractive symmetry and strong brilliance. Minor natural characteristics may be visible under magnification. Certification: ALGT Colored Stone Identification Report Comments: Blue topaz is commonly enhanced by irradiation and/or heating to improve its colour. According to the report, there is currently no scientific method available to determine whether this gemstone has been enhanced. A striking large natural blue topaz displaying an elegant pear mixed cut with exceptional sparkle and vivid sky-blue colour. The gemstone shows beautiful light return and lively brilliance from every angle, making it ideal for collectors or high-end jewellery creations. Its impressive size of over 23 carats combined with the elegant teardrop shape gives this gemstone a luxurious and eye-catching appearance. Shipping: Securely packaged and shipped with tracking and protective wrapping by PostNL.