A massive purple star sapphire weighing 3,563 carats has been unveiled in Sri Lanka. The owners, who wish to remain anonymous, are ready to sell the gem, estimated to be worth at least $300 million. Named the "Star of Pure Land," it's the largest documented natural purple star sapphire. Consultant gemologist Ashan Amarasinghe says the gem shows a well-defined asterism with six rays, making it unique. The stone was found in 2023 near Rathnapura, known as the "city of gems." It was certified by two laboratories.
