没有保留价 - 1 pcs 绿色, 紫罗兰色 坦桑石 - 1.87 ct - 国际有色宝石协会(ICA GemLab) - 评定 BI COLOR 未加热

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Alberto Fidalgo
专家
由Alberto Fidalgo精选

资深金匠、宝石学家及钻石商,拥有超过十五年经验。

零售估价  € 500 - € 600
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€4
IE
€3
GB
€1

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自然生色双色坦桑石,未加热,1.87 ct,1 颗,垫形,改良明亮式切工,透明,由 ICA GemLab 封签(报告 TH2601X2431)。

AI辅助摘要

卖家的描述

Natural Bi-Color Unheated Tanzanite – 1.87 ct – ICA GemLab

Presented by ParaibaCollective on Catawiki, this distinctive 1.87-carat Natural Tanzanite displays an unusual greenish-violet bi-color appearance, with contrasting tones giving the gemstone attractive natural character.

Fashioned in a cushion shape with a Modified Brilliant cut, the transparent stone offers lively reflections and distinctive color zoning, making it an appealing collector’s Tanzanite.

Gemstone: Natural Zoisite
Variety: Tanzanite
Weight: 1.87 ct
Dimensions: 9.31 × 6.35 × 3.84 mm
Color: Bi-Color Greenish Violet
Shape: Cushion
Cut: Modified Brilliant
Transparency: Transparent
Treatment: Unheated
Laboratory: ICA GemLab
Report No.: TH26G132431
Report Date: 5 October 2026

Unheated is seller-declared; the ICA report states that color authenticity is currently undeterminable.

卖家故事

From Mine to Market — Fine Quality Certified Gemstones I am a gemstone professional dedicated to sourcing exceptional stones directly from mining regions and delivering them to collectors, investors, and jewelry houses worldwide. My focus is simple: authenticity, transparency, and uncompromising quality. Working closely with trusted miners and local partners, I personally select gemstones at the source. By operating from mine to market, I reduce unnecessary middle layers while maintaining strict quality standards. Each stone is carefully evaluated for color, clarity, cut potential, and overall rarity before being offered for sale. Many of my gemstones are certified by internationally recognized laboratories such as GRS, GIA, and other respected institutions to ensure confidence and peace of mind for buyers. My specialization includes rare and high-quality stones, including fine cuprian tourmalines (Paraíba-type), emeralds, sapphires, and other collectible gems. Every piece is selected with the standards of serious collectors in mind. I believe gemstones should not only be beautiful but also responsibly sourced and honestly represented. Clear descriptions, accurate photography, and professional communication are core principles of my business. Whether you are a collector, investor, or jewelry designer, I aim to provide stones that combine beauty, rarity, and long-term value. Thank you for visiting my profile. I look forward to supplying you with exceptional gemstones
使用Google翻译翻译

Natural Bi-Color Unheated Tanzanite – 1.87 ct – ICA GemLab

Presented by ParaibaCollective on Catawiki, this distinctive 1.87-carat Natural Tanzanite displays an unusual greenish-violet bi-color appearance, with contrasting tones giving the gemstone attractive natural character.

Fashioned in a cushion shape with a Modified Brilliant cut, the transparent stone offers lively reflections and distinctive color zoning, making it an appealing collector’s Tanzanite.

Gemstone: Natural Zoisite
Variety: Tanzanite
Weight: 1.87 ct
Dimensions: 9.31 × 6.35 × 3.84 mm
Color: Bi-Color Greenish Violet
Shape: Cushion
Cut: Modified Brilliant
Transparency: Transparent
Treatment: Unheated
Laboratory: ICA GemLab
Report No.: TH26G132431
Report Date: 5 October 2026

Unheated is seller-declared; the ICA report states that color authenticity is currently undeterminable.

卖家故事

From Mine to Market — Fine Quality Certified Gemstones I am a gemstone professional dedicated to sourcing exceptional stones directly from mining regions and delivering them to collectors, investors, and jewelry houses worldwide. My focus is simple: authenticity, transparency, and uncompromising quality. Working closely with trusted miners and local partners, I personally select gemstones at the source. By operating from mine to market, I reduce unnecessary middle layers while maintaining strict quality standards. Each stone is carefully evaluated for color, clarity, cut potential, and overall rarity before being offered for sale. Many of my gemstones are certified by internationally recognized laboratories such as GRS, GIA, and other respected institutions to ensure confidence and peace of mind for buyers. My specialization includes rare and high-quality stones, including fine cuprian tourmalines (Paraíba-type), emeralds, sapphires, and other collectible gems. Every piece is selected with the standards of serious collectors in mind. I believe gemstones should not only be beautiful but also responsibly sourced and honestly represented. Clear descriptions, accurate photography, and professional communication are core principles of my business. Whether you are a collector, investor, or jewelry designer, I aim to provide stones that combine beauty, rarity, and long-term value. Thank you for visiting my profile. I look forward to supplying you with exceptional gemstones
使用Google翻译翻译

详细资料

Number of stones
1
实验室报告编号
TH2601X2431
Gemstone type
坦桑石
复数宝石的总重量(克拉)
1,87
颜色
紫罗兰色, 绿色
宝石透明度
透明的
净度
Eye clean
处理
Not specified in the report
国家
未给出来源
鉴定证书
国际有色宝石协会(ICA GemLab)
密封/不密封
是的
标题附加信息
Rate BI COLOR Unheated
形状
枕形
切割方式
改良明亮式切割
泰国
354
已售出的几件物品
97,78%
pro

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Catawiki始终致力于为您提供最佳的购买体验。我们的专家会根据我们的提交指南来虚拟地审查和选择每一件物品。虽然我们努力提供每一件珠宝的详细描述和照片,但仍可能出现差异或不准确之处。 您有责任在下订单之前查看有关物品的所有信息,包括状况和描述。卖家对所提供的信息、图片和描述承担责任,包括所提供珠宝的质量、数量和性质。照片中看不出来但描述中包含的小瑕疵并不属于不合格。 实验报告并不对其中描述的文章作出保证、估价或评估。实验报告仅包含使用该特定实验室在检查时使用的技术和设备对文章进行评分、测试、检查和分析后所描述的特征。对文章进行的任何其他检查的结果可能会因检查时间、方式、检查者以及检查的评分标准而有所不同。 此外,技术和设备的任何变化和改进可能使审查员能够检测到以前无法检测到的改变物品特性的工艺等,但这并不意味着物品本身就不符合其描述。

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