A mid 19th century emerald brooch, set with a cut-cornered mixed-cut emerald, weighing 8.44...

A mid 19th century emerald brooch, set with a cut-cornered mixed-cut emerald, weighing 8.44 carats, in a foiled closed-back setting, with four similarly-set circular-cut emeralds to the cardinal points, within a pierced scrollwork mount with foliate and fleur-de-lys detailing, mounted in gold, width approximately 45mm. £3,000-£5,000 --- Provenance: The brooch was gifted circa 1851 to Colonel John Smith Young upon his retirement from the Army of His Highness The Nizam, and presented by the Nizam himself. Thence by direct family descent. According to a verbal report by GCS, the principal emerald is of Colombian origin, with indications of minor to moderate clarity enhancement. Verbal report number 5784-2406. Condition Report The principal emerald has been unmounted and weighed prior to the auction. The foil does not appear contemporary and assumed later replaced; the colour consequently intensified. Brooch width approximately 33mm. Gross weight 13.4gm. Disclaimer: The laboratory (GCS) conducts gemstone analysis using the most advanced methods available at the time of the order. Future re-examinations may yield different results if scientific standards change. The laboratory does not guarantee the treatment or origin of any gemstone, as these are based on comparative analysis of internal features and chemical and physical characteristics at the time of testing. Verbal opinions provided by gemmologists are informal and non-binding and may differ from the final report. Geographic origin designations are opinions based on scientific observations, with no guarantees provided. Not all treatments may be listed in the report, and the absence of a mention does not imply treatments were not applied.