41583 émraude trillon 4×4 1.97ct

40554-tanza-trilllon-7×7-1.25ct-pierre-2

38945 tanzanite 4.97cts trillon 9×9 BOX 2.78cts

38945 tanzanite 4.97cts trillon 9×9 BOX 2.16cts

38932 tanzanite trillon 13x13x13 7.83cts AOX

38468 BEX tanzanite trillon 9×9 2.63cts