The Argyle Pink Diamonds Tender has historically showcased the pinnacle of the Argyle Diamond mine's production. With the mine's closure last year the final collection to be offered has now been announced and includes the largest Fancy Intense Pink diamond ever offered at the Tender.
Russia has the most diamond resources of any country in the world. The world's largest miner, ALROSA, has a history of ensuring that those buried treasures create a two-way revenue stream to benefits the indigenous people. Yesterday they raised the bar again.
Since May is the fifth month of the year I thought it appropriate to visit five of history's most notable and valuable emerald jewels, beginning with the most expensive emerald piece ever sold at auction and finishing with, perhaps, the most historic of all time. Enjoy.
The legendary Jwaneng diamond mine, the world's richest by volume, will have its lifespan extended by 20 years in a joint venture by DeBeers' and the government of Botswana. The $6 billion expansion will see more than 224 miles of tunnels created underground.
Feast your eyes on this 100.94 Carat D Color, Internally Flawless masterpiece. The "Spectacle" diamond has been declared the largest ever polished in Russia and will be sold at the Christie's Magnificent Jewels auction in Geneva on May 12.
In February we announced results from the inaugural IGI JEWEL Jewelry Design Contest. We have shared the winners and finalists several at a time in prior posts. Now we are pleased to feature all 26 creations together, bringing our coverage of this uplifting event to a close.
Recently the IGI Lab in Shanghai received an antique Etruscan revival style necklace from the mid to late 19th century. When the necklace was submitted, IGI gemologists immediately understood the reason it was sent for identification: It seemed to weigh less than it should and, therefore, was suspected to be made of gilt copper, rather than gold.
The International Organization for Standardization (ISO), the world's largest developer of voluntary international standards, has certified IGI with the ISO 17025 accreditation for lab-grown diamonds, making IGI's laboratories the world's first to hold ISO accreditation for both natural and lab-grown diamonds.
Natural pink diamonds are extremely rare. When discovered, only one in 10 weighs more than 0.20 carats. This year, as the annual cherry blossom season hits its peak, the 15.81 carat flawless, fancy vivid purple-pink Sakura Diamond will be the star of Christie's Hong Kong’s Magnificent Jewels sale.