From Christie’s.: THE RAJAH DIAMOND The old-mine brilliant-cut diamond, weighing approximately 26.14 carats, set in a platinum mount, ring size 7¼ Accompanied by report no. 10157235 dated 27 December 2013 from the GIA Gemological Institute of America stating that the diamond is D colour, VS2 clarity, a working diagram indicating that the clarity of the diamond is potentially Internally Flawless and a Diamond Type Classification letter stating that the diamond is Type IIA.
Also accompanied by a hardbound monograph from the GIA Gemological Institute of America, featuring additional photography, data collection charts and gemological research, attesting of the prestige of the Rajah diamond. Provenance: Christie’s Geneva, 20 November 1997, lot 914 Private collection Mrs Isabella Stewart Gardner (1840-1924) Tiffany & Co Mrs Mary Jane Sexton Morgan (d. 1885)