Lot Essay
US$600,000-800,000
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Details
AN EMERALD AND DIAMOND BROOCH
The square-shaped emerald within an old mine and European-cut diamond surround, mounted in 18k gold and silver, circa 1780, dimensions 2.4 x 2.4 cm
Accompanied by report no. 71219 dated 25 September 2013 from the SSEF Swiss Gemmological Institute stating that the approximately 12.00 carat emerald is of Colombia origin, with no indications of clarity modification; also accompanied by an appendix stating that the natural emerald possesses extraordinary characteristics and merits special mention and appreciation. The emerald is set in a brooch with diamonds and exhibits a remarkable size and weight, combined with an attractive and well-saturated green colour and a fine purity. The few inclusions found by microscopic examination represent the hallmarks of Colombian emeralds from the famous mining areas as Muzo, Coscuez, and Chivor, all located in the green foothills of the Cordillera Oriental in the Colombian Andes. Its attractive green colour is due to a combination of well-balanced trace elements in the stone, typical and characteristic for the finest emeralds of Colombia. The fact that this emerald shows no indications of clarity modification is a further sign of rarity. A natural emerald from Colombia of this quality is rare and exceptional
The square-shaped emerald within an old mine and European-cut diamond surround, mounted in 18k gold and silver, circa 1780, dimensions 2.4 x 2.4 cm
Accompanied by report no. 71219 dated 25 September 2013 from the SSEF Swiss Gemmological Institute stating that the approximately 12.00 carat emerald is of Colombia origin, with no indications of clarity modification; also accompanied by an appendix stating that the natural emerald possesses extraordinary characteristics and merits special mention and appreciation. The emerald is set in a brooch with diamonds and exhibits a remarkable size and weight, combined with an attractive and well-saturated green colour and a fine purity. The few inclusions found by microscopic examination represent the hallmarks of Colombian emeralds from the famous mining areas as Muzo, Coscuez, and Chivor, all located in the green foothills of the Cordillera Oriental in the Colombian Andes. Its attractive green colour is due to a combination of well-balanced trace elements in the stone, typical and characteristic for the finest emeralds of Colombia. The fact that this emerald shows no indications of clarity modification is a further sign of rarity. A natural emerald from Colombia of this quality is rare and exceptional
Provenance
The Thurn and Taxis Collection
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