by hatta@ms39.hinet.net | May 27, 2026
The Paraïba Sautoir A suite of Paraïba tourmalines: earrings, necklace and ring. Paraïba tourmalines are among the rarest coloured stones in trade. Their neon blue-green, caused by copper not iron, is unmatched by any other gem family. ICA Premium Report and IGI...
