Lot 2338 30.39ct Bl Ice Cuprian Tourmaline Appraised $167k (GEM-27897)
Excellent blue ice color RARE copper-bearing specimen round cut: COPPER in tourmaline is rare and highly prized, it makes the stone color much more vivid (sometimes neon-like) and causes the stone to mimick the reflectivity of diamond; lab quality evaluat
open_in_full