Figure 3. Angled grooves on the base of the 27.20 ct freeform tanzanite create a dramatic sense of movement. Photo courtesy of Sonja Kreis Unique Jewelry.
Figure 2. The gem was cut from a 13 g rough tanzanite of remarkable color and clarity. Photo courtesy of Sonja Kreis Unique Jewelry.
Figure 1. This ring is set with a spectacular 27.20 ct vivid blue freeform tanzanite. Photo courtesy of Sonja Kreis Unique Jewelry.
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