- These are the most beautiful star sapphires I've ever seen. They are very rare sapphires where the six paths are so clearly and seamlessly/proportionally distinct. Six Ray Blue Sapphire Crystal. Excellent Brilliant Six Ray Formations. Amazing color transitions. 2,35 Ct. 12*6*2 mm. Ideal size pieces. - The quality, brightness and color vibrancy are excellent. Amazing form, very beautiful and rare material originates in Kenya and is almost never available. Original Six Ray Star Sapphire and Ruby ​​that has not been processed in any way. AAA+ quality. - Registered free shipping.