没有保留价 - 1 pcs 蓝色 海蓝宝石 - 3.45 ct - 国际宝石研究院（IGI）

Acquamarina Naturale 3,45 ct - Taglio Ovale Misto - Certificato IGI
描述批次
拍卖中是一颗华美的天然海蓝宝石，重量3.45克拉，隶属于著名的绿柱石家族。宝石呈现出细腻的透明蓝色与生动的光泽，是此宝石品种的典型特征。
宝石附有官方IGI（国际宝石学研究所）认证证书，保证其真实性及技术特性。
宝石规格：
• 物种：天然绿柱石
• 品种：海蓝宝石
• 重量：3.45 克拉
• 洗切：椭圆混合切割（Oval Mixed Cut）
• 尺寸：13.34 x 9.44 x 4.58 毫米
• 颜色：蓝色（Blue）
• 透明度：透明
• 处理：海蓝宝石通常经加热处理；证书中通常未指明相关处理信息。
IGI 证书详情：
• 报告编号：657440237
• 日期：2025年12月23日
• 折射率：1.577 - 1.583
• 比重：2.72
状况与备注：
该宝石在背光下可见天然内含物（如宏观照片所示），这确认了其天然来源。切割比例可实现良好的光线回射和色彩呈现。非常适合打造高端鸡尾酒戒指或优雅项坠。

Natural Aquamarine 3.45 ct - Oval Mixed Cut - IGI Certified
Lot Description
Up for auction is a stunning Natural Aquamarine weighing 3.45 carats, from the prestigious Beryl family. The gemstone features a delicate, transparent blue color with vibrant brilliance, characteristic of this gem variety.
The stone is accompanied by an official IGI report (International Gemological Institute), guaranteeing its authenticity and technical specifications.
Gemstone Specifications:
•⁠ ⁠Species: Natural Beryl
•⁠ ⁠Variety: Aquamarine
•⁠ ⁠Weight: 3.45 Carats
•⁠ ⁠Cut: Oval Mixed Cut
•⁠ ⁠Dimensions: 13.34 x 9.44 x 4.58 mm
•⁠ ⁠Color: Blue
•⁠ ⁠Transparency: Transparent
•⁠ ⁠Treatment: Aquamarines are commonly heated; indicative evidence is typically lacking (as stated in the report).
IGI Report Details:
•⁠ ⁠Report No.: 657440237
•⁠ ⁠Date: December 23, 2025
•⁠ ⁠Refractive Index: 1.577 - 1.583
•⁠ ⁠Specific Gravity: 2.72
Condition & Notes:
The stone displays natural inclusions visible under backlighting (as shown in the macro photos), which confirm its natural origin. The cut proportions allow for excellent light return and color display. This gem is ideal for a high-end cocktail ring or an elegant pendant.