A pair of emerald and diamond ear clips, by Bulgari. Photo Christie's Image Ltd 2013

Each centering upon a cut-cornered rectangular-cut emerald, weighing approximately 13.64 and 13.42 carats, to the baguette-cut diamond petal and pavé-set diamond surround, mounted in gold. Signed Bulgari. Estimate:  $477,942 – $577,977

Accompanied by report no. CS 56413 A and B dated 12 August 2013 from the AGL American Gemological Laboratories stating that the 2 emeralds are of Colombian origin, with indications of insignificant to minor traditional clarity enhancement (oil)

Report no. 13048090 dated 27 April 2013 from the Gübelin GemLab stating that the 13.64 carat emerald is of Colombian origin, with indications of minor clarity enhancement

Report no. 13048089 dated 27 April 2013 from the Gübelin GemLab stating that the 13.42 carat emerald is of Colombian origin, with indications of minor clarity enhancement

Christies. MAGNIFICENT JEWELS. 12 November 2013. Geneva.