World’s largest blue star sapphire discovered in Sri Lanka


Who: World’s largest blue star sapphire
Where: Sri Lanka
What: Discovered
When: August 2015

The world’s largest blue star sapphire that weighs 1404.49 carats was discovered in a mine in Sri Lanka. The sapphire was found in August 2015 near Ratnapura city in the South of Sri Lanka.

The stone is worth at an estimated cost of 100 million US dollars but could be valued up to 165 million US dollars.

The sapphire has been named as The Star of Adam by its current owner. The name came from a Muslim belief that Adam arrived in Sri Lanka after being sent away from the Garden of Eden. As per the myth, Adam lived on the slopes of a mountain now known as Adam’s Peak, about 15 miles from Ratnapura.

The Star of Adam Sapphire has also been certified by the Gemology Institute of Columbo, Sri Lanka.

Current record of Blue Sapphires
Prior to this discovery, the biggest blue star sapphire in the world was of 1395 carats.

About Star Sapphires
• A star sapphire is a type of sapphire that has a star in the middle due to a light reflection phenomenon known as asterism.
• The value of a star sapphire depends on the weight of the stone and also on the body color, visibility, and intensity of the asterism.