- Exceptional Two different formations of a single sapphire crystal. A Natural rare raw gem stone that combines Blue/Aqua and Yellow colors. Extraordinary Hexagonal Formation, 22*19*18 mm. 77 Carat Large Piece! - Full crystal and clear sapphire ideal for making jewelry or for collection. Can also be cut and trimmer. - The quality & brightness and color are excellent. Very rare, very beautiful and big material originates in Kenya and is almost never available. Original Bicolor Sapphire ​​that has not been processed in any way. Workable high quality. - Registered free shipping. - PLEASE NOTE: Since each country's customs policies are different, customs fees and customs procedures that may occur are naturally the buyer's responsibility.