A sapphire and diamond necklace, "The Blue Belle," is expected ... Rahul Kadakia, international head of jewelry at Christie’s, called the Blue Belle a "gem of exceptional size, color and clarity ...

A diamond necklace ... and Middle East and head of noble jewels, in the release.“When compared to other surviving Imperial and Royal jewels from the same period, this necklace stands head ...

The 300-carat necklace thought ... White Correal, the head of royal and noble jewels at Sotheby’s wrote in a statement ahead of the auction. "This rare and important diamond jewel, is a sublime ...

LONDON, Sept 23 (Reuters) - A rare diamond necklace with possible links to former ... were broken up," Andres White Correal, Chairman and Head of the Royal and Noble Sales at Sotheby’s for ...

A 300-carat 18th century necklace ... White Correal, head of royal and noble jewels at Sotheby’s said in a statement before the auction. “This rare and important diamond jewel is a sublime ...