The rare Graff diamond, which a devoted husband purchased for his wife during their marriage, will be auctioned off at ...

A fancy pink diamond with French Imperial provenance, Indian Mughal jewels and a 392.52-carat sapphire are highlights of ...

Discover the Marie-Thérèse Pink Diamond and Blue Belle Sapphire at Christie's Auction House, featuring rare jewels with royal ...

A 10-carat diamond once owned by Marie Antoinette is up for sale. Christie's will auction it off as part of their Magnificent ...