沒有保留價 - 1 pcs 藍色 黃玉 - 17.15 ct - 國際有色寶石協會 (ICA GemLab) - 伦敦蓝托帕石

一颗美丽的天然蓝托帕石，呈现浓郁的海洋蓝色，优雅的延长八角形轮廓，以及醒目的阶梯式刻面。其透明外观与吸引人的几何设计使其成为定制高端珠宝或宝石收藏的绝佳选择。

Gemstone Specifications

* Gemstone: Natural Topaz
* Variety: Blue Topaz
* Weight: 17.15 carats
* Dimensions: 16.71 × 12.07 × 10.66 mm
* Shape: Octagonal
* Cut: Step / Fancy
* Color: Blue
* Transparency: Transparent
* Luster: Vitreous
* Treatment: Undetermined
* Certification: ICA GemLab
* Condition: Faceted loose gemstone; condition to be verified from actual stone photographs

Certificate Note: The laboratory identifies natural topaz but states that the origin of its blue coloration is undetermined. Heating or irradiation may have been used to modify the color.