PARAÍBA TOURMALINE AND COLOURED SAPPHIRE RING, MICHELE DELLA VALLE

THE PROPERTY OF AN IMPORTANT PRIVATE COLLECTOR

细节

PARAÍBA TOURMALINE AND COLOURED SAPPHIRE RING, MICHELE DELLA VALLE
Cushion-shaped paraíba tourmaline of 9.04 carats, circular-cut paraíba tourmalines, circular-cut pink sapphires, gold, circa 2004, ring size 6 ½, maker's mark, numbered
AGL report: 9.04 carats, paraiba tourmaline, Brazil, low temperature heating, no clarity enhancement
Please note that this report is over 5 years and might require an update.

出版

M. Della Valle, Michele Delle Valle Jewels and Myths, Woodbridge, Antique Collectors' Club, 2014, pp. 244-245 for photographs of this ring

拍场告示

Please note that this lot is accompanied by report no. CS 41201 -D dated 29 October 2009 from the AGL American Gemological Laboratories stating that the origin of the paraiba tourmaline is Brazil, with low temperature heating, no clarity enhancement.

拍品专文

PARAIBA
The Paraiba tourmaline is a precious gemstone that has been discovered very recently, having been seen for the first time in 1989, in the Brazilian state of Paraiba. Its electric blue colour is its most distinctive feature.

拍品专文

更多来自 瑰丽珠宝

更多来自瑰丽珠宝