Lot Essay
Please note that some of the reports are more than five years old and may require an update
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A SET OF RUBY AND DIAMOND JEWELRY, BY BLACK, STARR & FROST
Comprising a ring, set with an oval-cut ruby, weighing approximately 11.08 carats, within an oval-cut diamond cluster surround, to the graduated baguette or circular-cut diamond shoulders and hoop; and a pair of ear clips en suite, each set with an oval-cut ruby, weighing approximately 8.59 and 8.23 carats, within an oval and pear-shaped diamond surround, mounted in platinum and 18k gold
Signed Black, Starr & Frost
Accompanied by report no. 11060128/ 1 and 2 dated 22 June 2011 from Gübelin Gem Lab stating that for the rubies mounted in the ear clips, gemmological testing revealed characteristics consistent with those of rubies originating from Thailand (Siam). Indications of heating
With report no. 11060127 from the Gübelin Gem Lab stating that for the ruby mounted in the ring, gemmological testing revealed characteristics consistent with those of rubies originating from Thailand (Siam). Indications of heating
With report no. CS 44473 dated 22 April 2011 from the AGL American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of the ruby, weighing approximately 11.08 carats, would be classified as East Africa. Standard heat enhancement. Insignificant to faint clarity enhancement, heating residues
With report no. CS 41132 dated 27 October 2009 from the AGL American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of the ruby, weighing approximately 8.59 carats, would be classified as Classic Thailand. Standard heat enhancement. Insignificant to faint clarity enhancement, heating residues
With report CS 41133 dated 27 October 2009 from the AGL American Gemological Laboratories stating that the origin of the ruby, weighing 8.23 carats, would be classified as Classic Thailand. Standard heat enhancement. Insignificant to faint clarity enhancement, heating residues
With ten reports dated from 27 October 1997 to 27 April 1999 from the GIA Gemological Institute of America stating that the ten oval-cut diamonds in the ring, weighing from approximately 0.47 to 1.14 carats, are D to F color, Internally Flawless to VS2 clarity
Comprising a ring, set with an oval-cut ruby, weighing approximately 11.08 carats, within an oval-cut diamond cluster surround, to the graduated baguette or circular-cut diamond shoulders and hoop; and a pair of ear clips en suite, each set with an oval-cut ruby, weighing approximately 8.59 and 8.23 carats, within an oval and pear-shaped diamond surround, mounted in platinum and 18k gold
Signed Black, Starr & Frost
Accompanied by report no. 11060128/ 1 and 2 dated 22 June 2011 from Gübelin Gem Lab stating that for the rubies mounted in the ear clips, gemmological testing revealed characteristics consistent with those of rubies originating from Thailand (Siam). Indications of heating
With report no. 11060127 from the Gübelin Gem Lab stating that for the ruby mounted in the ring, gemmological testing revealed characteristics consistent with those of rubies originating from Thailand (Siam). Indications of heating
With report no. CS 44473 dated 22 April 2011 from the AGL American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of the ruby, weighing approximately 11.08 carats, would be classified as East Africa. Standard heat enhancement. Insignificant to faint clarity enhancement, heating residues
With report no. CS 41132 dated 27 October 2009 from the AGL American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of the ruby, weighing approximately 8.59 carats, would be classified as Classic Thailand. Standard heat enhancement. Insignificant to faint clarity enhancement, heating residues
With report CS 41133 dated 27 October 2009 from the AGL American Gemological Laboratories stating that the origin of the ruby, weighing 8.23 carats, would be classified as Classic Thailand. Standard heat enhancement. Insignificant to faint clarity enhancement, heating residues
With ten reports dated from 27 October 1997 to 27 April 1999 from the GIA Gemological Institute of America stating that the ten oval-cut diamonds in the ring, weighing from approximately 0.47 to 1.14 carats, are D to F color, Internally Flawless to VS2 clarity
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