It was one of the few considered for her wedding day, according to Royal Asscher.

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He entrusted the cutting of the Cullinan to Joseph Asscher, head of the Asscher Diamond Company of Amsterdam.

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The edge of the ring is lined with white diamonds and the side features the Royal Asscher crown logo.

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Amsterdam's acting mayor Lodewijk van Asscher told local television there was a threat that supporters of Ajax - the city's team - wanted to fight English fans.

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Asscher studied the stone for six months before attempting the cut.

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Lita and Mike Asscher, the young, energetic sixth generation heirs to the 157-year-old family owned firm, introduced several new jewelry designs over the past few years.

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Among the items in the sale is the Elizabeth Taylor Diamond, a 33.19-carat, Asscher-cut diamond on a ring that was a gift from her husband Richard Burton.

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Ms Asscher believes that consumers are becoming far more sophisticated in their reaction to all forms of advertising and marketing, so smarter ways have to be used to reach them.

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Asscher then fainted from nervous exhaustion.

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In addition, Ahluwalia also designed a new engagement ring for Royal Asscher called Legacy in which the signature Asscher cut diamond serves as the center stone of the platinum wave-like ring, with diamonds of different cuts detailing each side of the ring.

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