没有保留价 - 1 pcs 蓝色 海蓝宝石 - 6.78 ct - 安特卫普宝石检测实验室（ALGT）

*对欧盟内的投标者，不征收额外的增值税或进口关税*

Εxceptional Aquamarine gemstone suitable for jewellery or an investment-grade piece.
Full physical ALGT Certificate included.

*combined shipping — If you win multiple stones, pay one, and message to combine the rest.*

IDENTIFICATION

Species .................................................................................. 天然绿柱石
Variety ................................................................................... 海蓝宝石
Shape & Cutting Style ...................................................... 改良八角形，阶梯切割
Measurements ................................................................. 11.76 x 10.19 x 8.33 mm
Carat Weight ...................................................................... 6.78 克拉
Color .................................................................................... 非常浅蓝色
Transparency ...................................................................... 透明


海蓝宝石通常会经加热以改善颜色。目前没有可行的科学方法来判断该宝石是否经过改性。