An Aussie has shared the incredible moment he discovered a rare gemstone while walking in the Outback. Professional sapphire miner Matt Betteridge revealed his discovery of a 394-carat sapphire on ...

Gem businessman Thushara Perera said he has been facing political threats over a special blue sapphire which he received in 2017 and is valued at over USD 400 million. This gem is a 350-carat blue ...