The world’s biggest blue star sapphire – weighing in at 1,404.49 carats – has been found in a mine in Sri Lanka. Gemologists in Colombo say the gem is worth at least $100 million ...

The blue star sapphire has been nicknamed The Star of Adam Gemologists in Sri Lanka claim that the largest blue star sapphire yet has been discovered in a mine in the country. The gemology ...

A gemstone broker fished a dusty rock from a Tupperware dish at an Arizona mineral show and paid $10 for what his trained eye knew to be the world`s largest star sapphire, valued at $2.28 million.

The world’s biggest blue star sapphire — weighing in at 1,404.49 carats, equivalent to about 280g — has been found in a mine in Sri Lanka. Local gemologists say the gem is worth at least $ ...