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The Wittelsbach-Graff Diamond – By Rui Galopim de Carvalho Source : Rui Galopim de Carvalho Linkedin The Wittelsbach-Graff Diamond was first reported in the 1600s and was possibly found in the Kollur area of Golconda, India. This rare type IIb (boron-bearing) blue diamond was given as a dowery present by Phillipe IV of Spain to his daughter Infanta Margaret Theresa (here on Velasquez’s “Las Meninas” at the Museo Nacional del Prado upon her marriage to Leopold I of Austria). It was passed on to the House of Bavaria, the Wittelsbachs, in 1722, hence its name. With an original cut weight of 35.56 ct, it was sold in 1931 at Christie’s in a sale of important jewellery from the Bavarian Crown Jewels and resurfaced in the 1950s. In 2008, it was presented at Christie’s London as a Fancy Deep greyish blue, VS1 clarity diamond as seen being hold here by white-gloved fingers. It was then acquired ...