A Cartier diamond and turquoise tiara once owned by Nancy Astor, an American-born British politician who became the first woman to take a seat in the House of Commons, is set to be auctioned next week ...

A little black gown is always a good idea, especially adorned by a beautiful diamond necklace. Emily Mortimer ... paved with diamonds and set with rose-cut diamonds on white gold, which gave ...

Priscilla Chan's diamond necklace at a recent event drew attention ... questioning whether its crystals were rose-cut or rough diamonds. Followers speculated on its value and authenticity ...

“The Cartier Astor turquoise and diamond tiara heading to auction is set throughout with old brilliant, single, and rose-cut diamonds ... a Tiffany & Co. diamond necklace, chandelier earrings ...