The gem is roughly the size of a chicken egg.
The Lion Emerald will be placed for sale later this month.
"If you had to cut one of your daughters from the show, who would it be and why?"
The findings could lead to new advances in drug delivery, data storage and magnetic resonance imaging.
The Trump-supporting sisters claim the social network is censoring their content.
Veronica Bero of The Bodhi Tree explains why incorporating crystals into your everyday life could be a game-changer.
The rock may contain metals that predate the entire solar system.
Auctioneers have described the Peace Diamond as the 14th largest in the world
Auction house Sotheby's named the jewels after the Greek twin divinities Apollo and Artemis.
Love Field airport temporarily shut down after man vandalizes woman's car, charges police.
The apparent U-turn contradicts testimony made by India's country's solicitor-general on Monday.
Legend says the 105-carat Kohinoor diamond should only be worn by a woman or a god.
Canadian firm Lucara Diamond Company discovered the 1,111-carat stone in Botswana