SourcingJun 10, 2025
De Beers Turns to Brown, Yellow Diamonds for New ‘Beacon’SourcingJun 18, 2025
Gemfields Sells 36-Carat Rough Ruby
The gemstone is the third most valuable ruby to come out of the Montepuez mine, Gemfields said.
Gemfields’ June mixed-quality rough ruby auction achieved $31.7 million. The sale took place June 2-13 in Bangkok.
London—Gemfields announced that its latest mixed-quality rough ruby auction totaled $31.7 million and included the sale of one of the largest rubies ever recovered from the Montepuez mine in Mozambique.
The auction, composed of six mini auctions, was 87 percent sold by lot and 69 percent sold by weight with an average sale price of $461.48 per carat.
The miner noted that a mini auction held in April, which featured predominantly small-sized gemstones that normally would have been included in the June auction, and some higher-weight, lower-quality lots that did not sell skewed the per-carat average price for the June auction.
Montepuez Ruby Mining Limitada (MRM), which is 75 percent owned by Gemfields and 25 percent by Mozambican partner Mwiriti Limitada, mined the gemstones.
Related stories will be right here …
The auction, composed of six mini auctions, was 87 percent sold by lot and 69 percent sold by weight with an average sale price of $461.48 per carat.
The miner noted that a mini auction held in April, which featured predominantly small-sized gemstones that normally would have been included in the June auction, and some higher-weight, lower-quality lots that did not sell skewed the per-carat average price for the June auction.
Montepuez Ruby Mining Limitada (MRM), which is 75 percent owned by Gemfields and 25 percent by Mozambican partner Mwiriti Limitada, mined the gemstones.
The sale also included rubies from a newer area of Montepuez, including a 36-carat ruby, which achieved a “highly pleasing” sale price, said Adrian Banks, Gemfields’ managing director of product and sales.
Gemfields did not reveal the stone’s sale price or who bought it, but it did note that it is the third-largest ruby in the mine’s history.
“While this was our smallest mixed-quality ruby offering by weight to date, and there is clearly ongoing instability in the market stemming from, [among other things], ongoing geopolitical turbulence, China’s economic difficulties and considerable tariff uncertainty, today’s auction result demonstrated the resilience of rubies in turbulent times,” Banks said.
“Demand and pricing for fine-quality rubies remain strong. Notably, the secondary-type rubies recently recovered from a newer section of the mine, exhibiting different characteristics, were generally well received by auction customers.”
He continued, “This is a particularly promising development as Montepuez Ruby Mining advances towards the completion of Processing Plant 2 (PP2), enhancing its ability to deliver a consistent and diversified supply of Mozambican rubies to meet the evolving demands of the market.”
More on Sourcing
The Latest
MajorsJul 18, 2025
Lewis Heyman on Sourcing Gemstones, Post-Retirement PlansHe retired last month after 28 years traveling the world to source the very best gemstones for his family’s jewelry business, Oscar Heyman.
TrendsJul 18, 2025
Piece of the Week: CCWW Designs’ Shell Charm NecklaceThe charm necklace features six nautical charms of shells and coral that founder Christina Puchi collected on Florida’s beaches.
MajorsJul 18, 2025
Plumb Club Elects New Board MembersThe organization elected its youngest vice president as it looks to draw in fresh talent.
Brought to you by
Investing in the Next Generation of Bench JewelersThe Seymour & Evelyn Holtzman Bench Scholarship from Jewelers of America returns for a second year.
TechnologyJul 18, 2025
Brad Campbell, John Liebler Join Clientbook’s Executive Team Campbell joins the company as vice president of business development while Liebler is the new vice president of operations.
Weekly QuizJul 17, 2025
This Week’s QuizTest your jewelry news knowledge by answering these questions.
CollectionsJul 17, 2025
2026 Winter Olympic Medal Design Symbolizes UnityThe medals feature a split-texture design highlighting the Games’ first time being hosted by two cities and the athletes’ journeys.
Supplier BulletinJul 17, 2025
The INSTORE Jewelry Show 2025: Your Holiday Preparations, All Wrapped Up! Sponsored by The INSTORE Jewelry Show 2025
Brought to you by
Jewelers of America is Headed to Las Vegas for JCK 2025The countdown is on for the JCK Las Vegas Show and JA is pulling out all the stops.
SurveysJul 17, 2025
The Most Recommended Brands in the World, According to YouGovGlobally, travel and transportation brands reigned, while in the U.S., alcoholic beverage companies and a lingerie brand took the top spots.
IndependentsJul 17, 2025
Gina Ferranti of GiGi Ferranti Jewelry Dies at 59The Brooklyn-based jewelry designer is remembered as a true artist and a rare talent.
Events & AwardsJul 17, 2025
JA to Hold Learning Workshops This FallA new slate of Learning Workshops will take place in Oklahoma, Mississippi, and Georgia.
SurveysJul 16, 2025
Signet Jewelers Falls Lower on NRF’s ‘Top 100’ Retailers ListThe middle class is changing its approach to buying jewelry and affordable luxury goods, the NRF said.
FinancialsJul 16, 2025
Richemont’s Jewelry Sales Up 7% in Q1It marks the third consecutive quarter of growth for Cartier, Van Cleef & Arpels, Buccellati, and Vhernier.
WatchesJul 16, 2025
The Top-Selling Rolex Models of the Last 15 Years, According to Bob’s Watches The reseller’s market trends report, based on its sales data, also shows exactly how much Rolex prices have jumped since 2010.
AuctionsJul 16, 2025
Christie’s To Honor Dinh Van With ExhibitionThe auction house will be hosting a retrospective paying tribute to jeweler Jean Dinh Van and his company’s 60th anniversary.
IndependentsJul 16, 2025
Clyde Duneier Ushers In Fourth GenerationJake Duneier and Danielle Duneier-Goldberg have stepped into the roles of CEO and president, respectively.
CollectionsJul 15, 2025
Boucheron’s New High Jewelry Calls Attention to Nature’s ImpermanenceThe “Impermanence” collection contemplates nature through the Japanese art of Ikebana (flower arranging) and philosophy of wabi-sabi.
MajorsJul 15, 2025
James Avery Expands to 2 More StatesThe Texas-based jewelry retailer has set up shop in Tennessee and Arizona.
Events & AwardsJul 15, 2025
Neiman Marcus Vet Joins Couture as Brand Director Eric Ford will step into the role, bringing with him decades of experience.
MajorsJul 15, 2025
Ben Bridge Jeweler Acquires Olympic ManufacturingIn addition to improved capabilities, the acquisition will allow the jeweler to offer support to other independent jewelers.
CollectionsJul 15, 2025
Guzema Debuts First Colored Gemstone JewelryThe “Celestial Blue” capsule collection campaign features Olympian Kateryna Sadurska.
MajorsJul 14, 2025
Nanis Opens First StoreThe seasonal store, located in Mykonos, Greece, offers exclusive events, personal styling, and curated experiences.
IndependentsJul 14, 2025
It’s the Summer of Love at Long’s JewelersThe New England jeweler is hosting a bridal event for the month of August.
Events & AwardsJul 11, 2025
The Edge’s Annual Conference Returns in SeptemberIts sessions will focus on inventory strategies, staff performance, retention and acquisition, emerging market trends, and more.
CollectionsJul 11, 2025
Piece of the Week: Miseno’s ‘Arco’ EarringsFor its 10th anniversary, Miseno designed the “Arco” earrings based on the Arco Felice, an arch conceptualized in A.D. 95 in Miseno, Italy.
Policies & IssuesJul 11, 2025
James Avery to Donate $1M to Texas Hill Country Relief EffortsThe jewelry company is one of several contributing to relief efforts in the region after the recent floods.
TrendsJul 11, 2025
Kelly Osbourne’s Engagement Ring Is Sweet as HoneyInspired by fiancé Sid Wilson’s nickname for her, the white and yellow diamond ring features a unique honeycomb design.
