This calibrated rainbow Emerald-cut / Octagonal gives you the opportunity to design beautiful multicolor sapphire jewelry. They have multiple colors, calibrated shapes, and excellent clarity with brilliance. 

Total Weight: 18 carats
Dimension: 5 x 4 mm
Shape: Emerald Cut
Colors: Green, pink, orange, red, yellow, blue
Cut: Excellent
Clarity: VVS to VS
Origin: Ceylon, Africa mixed 
Treatment: No