Discovered in Brazil in the 80s, these stones are bringing new colour to high jewellery ...
In September a cushion-shaped 5.44-carat Paraiba tourmaline ring flew past its US$60,000 upper estimate in auction at Bonhams ...
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On the trail of the Paraiba tourmaline: In search of one of the world's rarest gemstones
“One of the first qualities I look for in a gemstone is the intensity of its colour, and Paraiba tourmalines truly embody that,” says Morris. “Their unique turquoise blue-green hue, paired ...