Christie's, Geneva, November 2006

Lot 550 A Multi-Coloured Sapphire and Diamond Bracelet

A Multi-Coloured Sapphire and Diamond Bracelet
Designed as eleven oval-shaped blue, pink, green, pink-orange, yellow and purple sapphires to the princess-cut diamond spacers, 17.5 cm long
Accompanied by ten reports from the GRS GemResearchSwisslab stating that none of the coloured sapphires show indications of thermal enhancement/heating and with the following details:

GRS2005-010682 10 January 05 violetish-blue to purple (colour change) 4.24 Sri Lanka
GRS2006-011101 28 January 06 pink 5.75 Burma
GRS2006-011382 28 January 06 greenish-blue 5.22 Burma (Mogok, Pyen Pit)
GRS2005-101649 2 November 05 pink-orange ('padparadscha') 4.72 Sri Lanka
GRS2006-011384 28 January 06 yellow 4.50 Burma
GRS2006-011380 28 January 06 greenish-blue 7.58 Burma (Mogok, Pyen Pit)
GRS2005-021074 25 February 05 yellow 5.28 Sri Lanka
GRS2006-011378 28 January 06 blue 6.17 Burma
GRS2006-011383 28 January 06 pink 5.41 Burma
GRS2006-011379 28 January 06 blue 3.92 Burma