Alexandrite and Diamond Necklace
Brazilian Alexandrite and Diamond Necklace. Estimate HK$1,200,000 - 1,800,000 (US$154,000 - 230,000). Photo Tiancheng International
Set to the front with triple rows of variously-shaped alexandrites and brilliant-cut diamonds extending to the single-line back, the alexandrite together weighing 28.02 carats, and diamonds together weighing approximately 8.20 carats, mounted in platinum, length approximately 410mm.
Accompanied by Gübelin report numbered 14101049/1 to 41, dated 12 November 2014, stating that the 28.02 carat alexandrites are natural, Bluish Green colour in daylight, Purple colour in incandescent light, of Brazilian origin, with no indications of treatment; with a comment stating that 'These gemstones display a strong colour-change.'
Tiancheng International. HONG KONG AUTUMN AUCTION, Jewellery and Jadeite