Wednesday, December 14, 2022

The Wittelsbach-Graff Blue Diamond

On the left is the 35.56-carat cushion-shaped Wittelsbach diamond and on the right is the same diamond recut to 31.06 carats. Over billions of years, the element carbon (with a trace of boron) turned into a diamond. It's a stunning stone with a long history that raises a 21st-century conundrum to ponder. Let's begin the journey ...

The Wittelsbach-Graff diamond (↖left) compared to the Hope diamond
The rare blue diamond originates from Kollur Mine, India. King Felip IV of Spain is thought to have bought and included it in the dowry of his beloved 15-year-old daughter, Infanta Margaret Teresa in 1664 when she married Leopold I, the Holy Roman Emperor. The jewel was in the possession of the Habsburg family until it came to Munich, Germany in 1722 when Archduchess Maria Amalia, a Habsburg, married Karl of Bavaria of the Wittelsbach royal house. The gemstone then remained in the Wittelsbach family until it was sold in 1951 to a mystery buyer, then resold a few more times until in 2008 the London jeweler, Laurence Graff, bought it for $24.3 million. In 2010 the billionaire jeweler announced he had recut the diamond to get rid of its 350-year history of nicks, cuts, chips, and scratches from being set and reset into jewelry and a crown.
Erasing the history of the diamond to improve its girdle not only reduced the gemstone by 40%, but it has also started a controversy. Renamed the Wittelsbach-Graff diamond, the alterations enhanced its blue color from grey-blue to blue-blue and clarity from VS1 (very slightly included) to IF (internally flawless), as well as, arguably increased its monetary value by giving it a higher grade and modern cut.

So in the life of this diamond, there are 2 values at play, and what's right isn't always clear-cut, is it? The Habsburgs-Wittelsbachs wouldn't recognize their diamond today. Soooo what would you have done and why?


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