The Wittlesbach Diamond was at the top of the Bavarian King's Crown.
Wittelsbach Diamond is a 31.06 carat Graff (6.21 g) Fancy Deep Blue Diamond flawless clarity. | ? JEWELS ? | Pinterest | Deep blue, Fancy and Diamond (http://www.pinterest.com/pin/277745501990823490)
Royal Crown of Bavaria | Bavaria, Royals and Jewel (http://www.pinterest.com/pin/516084438524565769)
The diamond was given in 1664 to the Infanta Margarita Teresa of Spain by her father King Philip IV of Spain.