Alexandrite and diamond ring
Accompanied by Gübelin report no. 11030227, stating that the alexandrite, is of Ceylon origin, with no indications of heating, with a pronounced colour-change. Together with an appendix stating that this alexandrite possesses a high degree of transparency, combined with a strong colour-change effect, from brownish-green when viewed in daylight to purplish-red upon exposure to incandescent light. In addition, this gemstone has a finely proportioned cut. The combination of high clarity and pronounced colour-change effect in an alexandrite of this size is rare.