An emerald, chalcedony, diamond and pink sapphire brooch
An emerald, chalcedony, diamond and pink sapphire brooch
Centering upon an oval cabochon emerald, weighing approximately 103.28 carats, within a circular-cut pink sapphire surround, to the oval frosted blue chalcedony plaque, inlaid with single-cut diamond trefoils, the outer frame trimmed by circular-cut pink sapphires, extending single-cut diamond trefoil accents, mounted in silver-topped 18k gold, 1999, with French assay marks and maker's marks; Mounted by JAR. Est. $60,000 - $80,000
Note: With report 92017112 dated 2 March 2009 from the AGTA Gemological Testing Center stating that the data obtained during the examination of this emerald indicates that the probable geographic origin is Colombia. Moderate clarity enhancement. The identity of the clarity enhancing substance was determined to be an oil
Literature: Joel Rosenthal and Pierre Jeannet, JAR, Art Books International, Paris, 2002, plate 115
Christie's. Jewels: The New York Sale. 22 April 2009. New York, Rockefeller Plaza www.christies.com