BBC2 年
The Enigma: Mysterious black diamond up for auction
A billion-year-old black diamond, believed to be the largest cut diamond on Earth, is going up for auction. There are competing theories about the origins of the gem, named The Enigma, including ...
来自MSN2 个月
Judge rules US must return ‘cursed’ $1B emerald to Brazil after 23 years
On Thursday, a federal judge ruled in favor of a US Department of Justice motion to forfeit the gem ... Bahia emerald back to the Brazilian people.” The Bahia Emerald is one of the largest ...