Sapphire-Bi-color Pink grading to Purple

Type: Sapphire

Origin: Umba, Tanzania

Weight: 0.76

Color: Pink grading to Purple (two growth bands interfere with light refraction - interesting see photo looking down and the other on the backside with the two color bands present.

Cut: Emerald Cut -49 (JJG)

Clarity: VVS

Size: 3.78 x 9.1 mm 

Treatments: No known treatment:   

Genealogy: FOco Gems Mined and Cut

Hardness: 9

Source: Arusha Tanzania broker

Comments: Incredible color!!!!

The rough was 2.25 cts which yielded  0.76 cts of finished stone or only34% due to the lenticular nature of the rough. 

  Bi-colored Sapphires are rare (without saying it is not treated)