In its most classic form, this regal stone is a rich blue ... feels. Sapphires can produce a beautiful “star effect,” or asterism when they catch the light. This occurs when natural inclusions ...

Sri Lankan authorities on Sunday put on show what they said was the world’s largest natural corundum blue sapphire ... found the world’s largest star sapphire cluster in a backyard by accident.

A Sri Lankan gem company claims it has discovered the world's largest single natural blue sapphire, a 683-pound gemstone that it plans to auction after obtaining an official valuation. The stone ...

Sri Lankan authorities on Sunday put on show what they said was the world’s largest natural corundum blue sapphire ... found the world’s largest star sapphire cluster in a backyard by accident ...

A few months after unwitting construction workers discovered the world’s largest star ... sapphire cluster in a backyard in Ratnapura, a Sri Lankan gem company has shown off one of the biggest ...

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 $ ...

Sri Lankan authorities on Sunday put on show what they said was the world’s largest natural corundum blue sapphire ... found the world’s largest star sapphire cluster in a backyard by accident.