It is thought that some of the diamonds may have come from the necklace linked to a scandal that contributed Marie-Antoinette's death, Sotheby's said.

The diamond necklace was also worn during two British coronations. As they say, a piece of jewelry has the power to tell many stories. This particular diamond necklace, which is being sold by Sotheby's this fall for an estimated $2.8 million, tells royal-related ones both good and bad.

As they say, a piece of jewelry has the power to tell many stories. This particular diamond necklace, which is being sold by Sotheby's this fall for an estimated $2.8 million, tells royal-related ones both good and bad.