To the uninitiated, Paraíba tourmaline might still sound niche. But to gemstone connoisseurs, it is the crown jewel of modern coloured stones. Discovered only in 1989 in the Brazilian state of Paraíba, these electric blue-to-green gems are far rarer than diamonds—and more prized than even rubies, sapphires, and emeralds in certain markets.

The stone’s signature lagoon-like hue, often described as a blend of turquoise, cyan, and aquamarine, owes its vibrant neon glow to trace amounts of copper and manganese in its crystal structure. The result is a gemstone that appears almost lit from within—radiating a luminous energy unlike anything else in the gem world.

Origins and Evolution

The original Paraíba mines in Brazil produced the first of these miraculous gems, but were quickly depleted. In the early 2000s, new copper-bearing tourmaline deposits were discovered in Nigeria and Mozambique—now the primary sources for Paraíba-type stones. Despite ongoing debates about nomenclature, the international gemological community has broadly agreed that any copper-bearing tourmaline showing the electric colour associated with the original Brazilian finds may be labelled “Paraíba.”

Brazilian-origin stones, however, still command a premium and are often only found in private collections or vintage jewellery.

From Mine to Masterpiece

The journey of Paraíba tourmaline from mine to market is an arduous one. Kevin Ferreira, gemologist and co-author of Paraíba: The Legacy of a Color, offers a rare insider view. “There are fewer than a dozen organised mining operations globally. Miners often say their work runs on faith, not diesel,” Ferreira shares. With monthly mining costs soaring as high as $150,000 and no guarantee of finding viable stones, the process is as risky as it is rewarding.

Ferreira, along with jewellery expert Katerina Perez, spent two years researching, interviewing, and photographing the journey of Paraíba tourmalines for their book—a definitive tribute to the gem’s legacy. Perez notes that the stone’s rising prominence and dwindling supply made the timing urgent: “There aren’t many Paraíbas out there anymore. The original Brazilian mine is depleted. Mozambique is now the key source.”

Designers Who Dare

Due to its rarity and vibrant colour, Paraíba tourmaline has become a jewel of choice for bold, statement-making high jewellery. From Tiffany & Co.’s Blue Book collections to Piaget’s Summer Crush necklace, the stone offers designers a thrilling colour with unmatched intensity.

Tiffany’s chief gemologist Victoria Reynolds refers to their preferred term—“cuprian elbaite tourmaline”—highlighting the brand’s purist stance. High jewellery collections from Cartier, Louis Vuitton, Dior, Pomellato, and Marina B have all embraced Paraíba’s potential, whether as centrepieces or accent stones. Cartier has even experimented with green-hued Paraíbas, pushing the colour narrative further.

Notably, few jewellers work extensively with the stone due to its scarcity. Among the few are Zurich-based Doris Hangartner and Antwerp-based Jochen Leën, both known for their deep respect for the gemstone’s energy and spirit.

Investment Appeal

Paraíba tourmalines are not only prized for their aesthetics but are increasingly viewed as tangible assets. Prices have risen almost tenfold since the 1980s. According to Ferreira, those who bought Paraíbas during the pandemic have seen returns of up to 50%—even conservatively.

Perez offers this advice to potential investors: “For value retention, look for top colour—true swimming pool blue—with Brazilian origin and clarity. For style and presence, go for larger, clean Mozambique stones in impactful settings.”

A Gem with Soul

Unlike diamonds, Paraíba tourmalines are graded with less standardization, allowing emotion, personal taste, and the story behind each stone to take centre stage. As Perez puts it, “It’s not just beautiful—it demands a conversation. It’s not just pretty—it’s powerful, elusive, and unforgettable.”

Their increasing rarity, vivid colour, and rich backstory are propelling Paraíba tourmalines into the global jewellery consciousness. From couture runways to collector safes, this is a gemstone rewriting the rules of modern luxury.