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Umba sapphires are known for their large color range
Cut: Elongated hexagonal step cut
Cut: Hexagonal Step Cut
Weight: 13
4.46 ct. Unheated Bicolor Tanzanite Hexagon Umba sapphires are known forThis exceptionally rare unheated bi color tanzanite showcases a blue and green half split by an unusual red stripe going through the center of the stone, something Ive never seen before or since! Weight: 4. 46 carats Dimensions: 12. 69x8. 24x5. 11 mm Clarity: VS Minor inclusions, somewhat easy to see with a 10x loupe. Origin: Merelani, Tanzania Treatment: None
US$ 132.50
US$ 339.00
US$ 149.99
