没有保留价 紫罗兰色, 蓝色 坦桑石 - 12.19 ct - 安特卫普宝石报告(GRA) - 坦桑尼亚宝藏





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天然坦桑石,1颗,12.19克拉,梨形混合切割,紫蓝色透明,由 Gem Report Antwerp (GRA) 认证。
卖家的描述
皇家安特卫普宝石 – 天然坦桑石 – 12.19 克拉 – 认证
DESCRIPTION
一颗重量为 12.19 克拉、外观迷人的天然坦桑石,呈现出带透明净度的迷人紫蓝色调。
坦桑石是天然透绿岩石(Zoisite)的一种极具辨识度的品种,以其独特的蓝紫色调而广受赞誉。此大块样品以优雅的梨形混切(Pear Mixed Cut)呈现,凸显其迷人的颜色、出色的尺寸和自然特性。
本宝石已由 Gem Report Antwerp (GRA)——比利时安特卫普最早期的独立宝石学实验室之一——专业鉴定并认证。
实验室报告指出,坦桑石通常在低温下进行加热以改善颜色,目前尚无可用的测试方法能够揭示此类处理。
⸻
SPECIFICATIONS
Gemstone: Natural Zoisite, Tanzanite
Weight: 12.19 ct
Shape: Pear Mixed Cut
Measurements: 18.79 × 13.44 × 7.94 mm
Color: Violetish Blue
Transparency: Transparent
Treatment: Cannot currently be determined
Certificate: Gem Report Antwerp (Belgium)
Report Number: 1830019149 AN
Certificate Date: 24 August 2026
⸻
SHIPPING
• Secure worldwide shipping
• Fully insured shipment
• Tracking number provided
• Professionally packed for maximum protection
• Shipped directly from Antwerp, Belgium
⸻
PACKAGING
The gemstone will be delivered in a protective bag together with the original Gem Report Antwerp certificate.
⸻
Paraiba specializes in carefully selected natural gemstones sourced from around the world. Every gemstone is professionally certified in Belgium and shipped directly from Antwerp — the historic world capital of diamonds and colored gemstones.
We carefully select each gemstone for its beauty, authenticity, and overall quality, providing collectors, jewelers, and gemstone enthusiasts with stones they can purchase with confidence.
⸻
NOTES
Please examine all photographs carefully, as they form an integral part of the description.
The gemstone has been photographed under different lighting conditions to present its appearance as accurately as possible. Slight color variations may occur depending on lighting conditions and monitor or smartphone settings.
Natural gemstones may contain internal characteristics and inclusions formed during their natural growth. These are normal features of natural gemstones and should not necessarily be considered imperfections.
According to the accompanying Gem Report Antwerp certificate, Tanzanite is commonly heated at low temperatures to improve its color. There is currently no testing method available to determine whether such treatment has been applied.
卖家故事
皇家安特卫普宝石 – 天然坦桑石 – 12.19 克拉 – 认证
DESCRIPTION
一颗重量为 12.19 克拉、外观迷人的天然坦桑石,呈现出带透明净度的迷人紫蓝色调。
坦桑石是天然透绿岩石(Zoisite)的一种极具辨识度的品种,以其独特的蓝紫色调而广受赞誉。此大块样品以优雅的梨形混切(Pear Mixed Cut)呈现,凸显其迷人的颜色、出色的尺寸和自然特性。
本宝石已由 Gem Report Antwerp (GRA)——比利时安特卫普最早期的独立宝石学实验室之一——专业鉴定并认证。
实验室报告指出,坦桑石通常在低温下进行加热以改善颜色,目前尚无可用的测试方法能够揭示此类处理。
⸻
SPECIFICATIONS
Gemstone: Natural Zoisite, Tanzanite
Weight: 12.19 ct
Shape: Pear Mixed Cut
Measurements: 18.79 × 13.44 × 7.94 mm
Color: Violetish Blue
Transparency: Transparent
Treatment: Cannot currently be determined
Certificate: Gem Report Antwerp (Belgium)
Report Number: 1830019149 AN
Certificate Date: 24 August 2026
⸻
SHIPPING
• Secure worldwide shipping
• Fully insured shipment
• Tracking number provided
• Professionally packed for maximum protection
• Shipped directly from Antwerp, Belgium
⸻
PACKAGING
The gemstone will be delivered in a protective bag together with the original Gem Report Antwerp certificate.
⸻
Paraiba specializes in carefully selected natural gemstones sourced from around the world. Every gemstone is professionally certified in Belgium and shipped directly from Antwerp — the historic world capital of diamonds and colored gemstones.
We carefully select each gemstone for its beauty, authenticity, and overall quality, providing collectors, jewelers, and gemstone enthusiasts with stones they can purchase with confidence.
⸻
NOTES
Please examine all photographs carefully, as they form an integral part of the description.
The gemstone has been photographed under different lighting conditions to present its appearance as accurately as possible. Slight color variations may occur depending on lighting conditions and monitor or smartphone settings.
Natural gemstones may contain internal characteristics and inclusions formed during their natural growth. These are normal features of natural gemstones and should not necessarily be considered imperfections.
According to the accompanying Gem Report Antwerp certificate, Tanzanite is commonly heated at low temperatures to improve its color. There is currently no testing method available to determine whether such treatment has been applied.

