The finest selection of Paraiba tourmalines, Santa Maria aquamarines, rubellites and other coloured gemstones are captivating buyers at the Brazil pavilion of Jewellery & Gem ASIA Hong Kong (JGA) 2025.

Duarte & Bastos Ltda is offering its carefully curated gemstone inventory, led by a rare loop-clear Paraiba tourmaline of more than 30 carats as well as a highly prized Santa Maria aquamarine. 

Headquartered in Teófilo Otoni, the company said it adheres to strict quality-control measures from gemstone mining to processing, ensuring that each gem meets global standards.

Meanwhile, JS Gems is presenting a wide range of high-quality coloured gemstones, headlined by dazzling Paraiba tourmalines from Mozambique bearing vivid colours alongside aquamarine and rubellite in classic shades of pink and red.

Mbernardes, for its part, is highlighting a spectacular collection of Mozambique and Brazilian Paraiba tourmalines in single, pairs and calibrated sizes; as well as yellow to deep-cherry Imperial topaz stones hailing from the Ouro Preto region in Minas Gerais, Brazil.

Its gemstone offerings also include rubellite, which the company noted is popular worldwide and sells particularly well in Asia.

A family-owned enterprise established in 1944, Mbernardes counts the US, Europe and Asia as its main markets.