Worlds Largest Blue Star Sapphire Found in Sri Lanka
Sri Lanka's gem industry, for which sapphire is the main export, is worth at least…
10 years ago
Sri Lanka's gem industry, for which sapphire is the main export, is worth at least…
In spite of its fame as a splendid island and a leading tourist destination, the…
The world's second-largest gem quality diamond has been discovered in Botswana, the Lucara Diamond firm…