沒有保留價 - 1 pcs 紫色, 藍色坦桑石 - 5.51 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

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Tanzanite – 5.51 ct – Cushion Cabochon Species: Natural Zoisite Variety: Tanzanite Weight: 5.51 Carat Measurements: 12.07 × 8.30 × 5.46 mm Shape & Cut: Cushion, Cabochon Colour: Intense Blue (Purplish) Transparency: Transparent Origin: Tanzania (expert opinion by ALGT) Laboratory report: ALGT, Report no. 07368961, dated 09/09/2025 Treatment: • Tanzanite is commonly heated at low temperature to enhance colour (standard industry practice). • Moderate clarity enhancement in fissures. Enhancement is reversible and common in trade. Remarks: A beautiful 5.51 ct Tanzanite with intense blue-purple colour and good transparency. The cabochon cushion cut gives it a smooth and elegant appearance, highlighting the stone’s vivid play of colour. Certified by ALGT, Antwerp. Shipping: Will be shipped with ALGT certificate and sealed blister. Secure and insured shipping.

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沒有保留價 - 1 pcs 紫色, 藍色坦桑石 - 5.51 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

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Tanzanite – 5.51 ct – Cushion Cabochon

Species: Natural Zoisite
Variety: Tanzanite
Weight: 5.51 Carat
Measurements: 12.07 × 8.30 × 5.46 mm
Shape & Cut: Cushion, Cabochon
Colour: Intense Blue (Purplish)
Transparency: Transparent
Origin: Tanzania (expert opinion by ALGT)
Laboratory report: ALGT, Report no. 07368961, dated 09/09/2025

Treatment:
• Tanzanite is commonly heated at low temperature to enhance colour (standard industry practice).
• Moderate clarity enhancement in fissures. Enhancement is reversible and common in trade.

Remarks:
A beautiful 5.51 ct Tanzanite with intense blue-purple colour and good transparency. The cabochon cushion cut gives it a smooth and elegant appearance, highlighting the stone’s vivid play of colour. Certified by ALGT, Antwerp.

Shipping:
Will be shipped with ALGT certificate and sealed blister. Secure and insured shipping.