Gemfields Unveils Spectacular New Ruby Finds for June 2025 Auction
Gemfields, a leader in the colored gemstone industry, is set to unveil a new range of rubies from its Mozambican mine for the June 2025 auction. The collection includes a stunning 36-carat ruby, marking a significant shift in the gemstone's tone and fluorescence.
RubiesGemfieldsMozambiqueAuctionGemstone MiningReal EstateMay 26, 2025
Among the stars of the show is a show-stopping 36-carat ruby, marking a monumental moment for both collectors and connoisseurs. These newly unearthed rubies bring with them a noticeable shift in tone and glow. Thanks to a lower iron content, the gems boast a lighter hue and a striking fluorescence, adding a fresh palette of color for jewellers, designers, and high-end houses seeking to diversify their ruby repertoire. It’s a significant departure from the deeper-toned secondary rubies that Gemfields has consistently delivered over the past decade.
Situated in the Montepuez district of Mozambique’s Cabo Delgado province, MRM is co-owned by Gemfields (75%) and local partner Mwiriti Limitada (25%). The area itself sits atop one of the most important ruby discoveries of recent times, and Gemfields has steadily cemented its reputation for reliable, transparent, and ethical gemstone mining. Through its structured auction platform, with 100% of proceeds repatriated to Mozambique, the brand not only ensures traceability and confidence for international buyers but also delivers direct value to the host nation.
What makes this next phase even more promising is the forthcoming completion of a state-of-the-art ore processing plant, set to triple capacity at MRM. With a projected throughput of 400 tonnes per hour, this upgrade positions Gemfields to continue supplying a steady stream of varied, high-quality Mozambican rubies to meet increasing global demand.
Adrian Banks, Managing Director for Product and Sales at Gemfields, commented, “It is exciting to see the evolving variety of rubies being recovered by Montepuez Ruby Mining. I am particularly eager to see how a single fine-quality ruby weighing 36 carats will perform at our auction. I believe this ruby will be strongly contested by discerning clients who recognise the rarity and significance of such a gemstone, given both its size and quality.”
Beyond the mine, Gemfields has become a torchbearer for ethical luxury. Whether through its cutting-edge gemstone sort house, meaningful social and conservation projects, or its continued collaborations with iconic design house Fabergé, Gemfields’ mission is clear: to mine gemstones with transparency and purpose.
Frequently Asked Questions
What is the significance of the 36-carat ruby being offered at the June 2025 auction?
The 36-carat ruby is significant because it marks a notable shift in the tone and fluorescence of rubies from the Montepuez mine, offering a lighter hue and striking fluorescence due to lower iron content. This makes it a rare and valuable gemstone for collectors and connoisseurs.
How does Gemfields ensure ethical gemstone mining?
Gemfields ensures ethical gemstone mining through its structured auction platform, which repatriates 100% of proceeds to Mozambique. Additionally, the company is involved in meaningful social and conservation projects, and collaborates with iconic design houses like Fabergé.
What is the capacity of the new ore processing plant at Montepuez Ruby Mining?
The new state-of-the-art ore processing plant at Montepuez Ruby Mining is set to triple the current capacity, with a projected throughput of 400 tonnes per hour. This will enable Gemfields to meet increasing global demand for high-quality Mozambican rubies.
Who are the co-owners of the Montepuez Ruby Mining (MRM) concession?
The Montepuez Ruby Mining (MRM) concession is co-owned by Gemfields (75%) and local partner Mwiriti Limitada (25%).
What is the location of the Montepuez Ruby Mining (MRM) concession?
The Montepuez Ruby Mining (MRM) concession is situated in the Montepuez district of Cabo Delgado province in Mozambique.
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