14 May 2008,
Price realised CHF 145,000
Estimate CHF 120,000 - CHF 150,000
A FINE SAPPHIRE AND DIAMOND RING
Set with a cushion-shaped sapphire weighing 10.76 carats, to the half-moon diamond shoulders, ring size 6¼
Accompanied by report no. 92023610 dated 22 February 2007 from the AGTA Gemological Testing Center stating that the sapphire is of Burmese origin, with no indications of heating
Accompanied by report no. 0705226 dated 31 May 2007 from the Gübelin Gem Lab stating that the sapphire is of Burmese origin, with no indications of heating. This colour variety may also be called 'Royal Blue'
With a note on Royal Blue sapphires stating that:
'As in the rich and sumptuous description of the blue sapphire colours to follow, Dr. Eduard Gübelin endorses that royal blue sapphires are among the most precious and coveted. Near to every shade of blue can be found in the world of sapphires - from dense, dark gentian blue to crystal-clear ice blue, from dancing, frivolous azure blue, though pale, cheerful sky blue to crackling, exciting electric blue. One's vocabulary seems too paltry to do justice to the many possible variants of blue. Though in spite of all these varieties of blue gems, one of the most treasured and sought-after is the enchanting beautiful royal blue sapphire - deep and luscious, as unfathomable as a mountain lake.
Many famous stones such as the Rockefeller Sapphire are of this intriguing shade of blue. The highest quality sapphires from the famous mines in Mogok, Burma, are typical representatives of the precious royal blue colour.'
'To possess a Royal Blue Sapphire is like being the keeper of "tears from the eyes of the goddess Saitya" Dr. E. Gübelin, The Color Treasury of Gemstones
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