30 May 2007
A SAPPHIRE AND DIAMOND RING
Set with an oval-shaped sapphire weighing 10.48 carats flanked on either side by trilliant-cut diamonds, mounted in platinum, ring size 5½
With report no. 0508119 dated 29 August 2005 from the Gübelin Gemmological Laboratory stating that the sapphire is of Burmese origin, with no indications of heating and with an additional comment stating that this colour variety of sapphire may also be called "royal blue" in the trade
Also accompanied by a further information 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 the 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 previous royal blue colour.
To possess a Royal Blue Sapphire is like being the keeper of "tears from the eyes of the goddess Saitya"
(The Color Treasury of Gemstones, Dr. E. Gübelin)
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