US Demand, Uncertain Supply Buoy Diamond Prices

Diamond trading was stable in May despite concerns about inflation, rising interest rates and slumping stock markets. Polished prices initially declined but later steadied as dealers anticipated supply shortages resulting from Russian sanctions. The RapNet Diamond Index (RAPI™) for 1-carat diamonds slid 0.5% in May but was 9.3% higher on June 1 than at the … Read more

Rio Tinto Launches Business for Argyle Pinks

Rio Tinto has debuted a new strategy that will enable it to “protect the provenance” of its Argyle pink diamonds, including a certification service and a concierge trading platform. “This is the start of a new chapter for Argyle pink diamonds, to ensure they maintain their value and investment potential as a finite, unrepeatable natural … Read more

Gem Diamonds unearths 125-carat diamond in Lesotho

Africa-focused Gem Diamonds has found a 125 carat rough stone at its Letšeng mine in Lesotho, the miner’s second rock over 100 carats mined this year. The company, known for the recovery of large, high quality stones in 2020, has seen output of high quality diamonds surpassing the 100 carat mark become less frequent over … Read more

DRC Embarks on Mine-to-Market Program for Artisanal Diamond Miners

The first steps towards setting up a traceability program have been taken in Democratic Republic Congo (DRC), which dominates the world’s supply of diamonds from artisanal and small-scale mining (ASM). A pilot project involving Antwerp World Diamond Centre (AWDC), the DRC mining ministry and tech company Everledger aims to establish a fully transparent value chain … Read more

Two Diamonds over 100ct. to Lead Sotheby’s NY

Sotheby’s will offer two diamonds weighing more than 100 carats at its upcoming jewelry sale, with one expected to fetch in excess of $10 million. The Juno diamond, a pear-shaped, 101.41-carat, D-color, internally flawless, type IIa stone, will lead the June 16 New York Magnificent Jewels sale, the auction house said last week. Only 11 … Read more

IGI Grades Largest Polished Lab-Grown Diamond

The International Gemological Institute (IGI) has graded a 27-carat lab-grown stone that it claims is the world’s largest polished synthetic diamond. Indian lab-grown company Greenlab created the marquise step-cut, 27.27-carat diamond, named Om, IGI said Wednesday. The stone, which has no color enhancement, was grown using chemical vapor deposition (CVD). Along with Om, the IGI … Read more

Gem Diamonds finds 129-carat diamond in Lesotho

Africa focused Gem Diamonds has found a 129 carat rough stone at its Letšeng mine in Lesotho, the miner’s first one over 100 carats mined this year. The high quality white diamond was recovered at the site over the weekend, Gem Diamonds said. The company, known for the recovery of large, high quality stones in … Read more

Lucapa says 204 carat diamond recovered at Mothae mine in Lesotho

Lucapa Diamond Company yesterday announced the recovery of a 204 carat diamond from the Mothae mine in Lesotho. According to the company’s statement, the 204 carat white stone is the eighth +100 carat diamond and third +200 carat to be recovered from the Mothae mine since commercial mining commenced in January 2019, underlining its unique … Read more

Botswana sees Russian diamond ban opening door to synthetic gems

Botswana, Africa’s top diamond producer, sees a prolonged ban on Russian diamonds opening the way for synthetic gems to expand market share, the country’s minister told a mining conference on Monday. The United States, the world’s largest market for natural diamonds, imposed sanctions on Russia’s state-controlled Alrosa in April, aiming to cut off a source … Read more

Diamond prices are spiking and even De Beers can’t fill the gap

Prices are surging in some corners of the rough-diamond market, as sanctions on one of the world’s two giant miners ripple through the supply chain. In the past, the industry could turn to behemoth De Beers to crank out extra gems when supply ran tight — but not this time. The price of a small … Read more