One of the world's most admired diamonds has been sold at auction for more than 20m Swiss francs ($21m;£13m). The 76-carat Archduke Joseph diamond, described as internally flawless, comes from India's famous Golconda mines. The diamond was sold to an anonymous bidder by the Christie's auction house in Geneva.
Tübingen Archaeologists Examine One of the Oldest Hoards Found in Europe
Jewellery and female figurines from Belica, Serbia, to be exhibited for the first time at Tübingen University Museum.
Archaeologists from the University of Tübingen's Institute of Prehistory are working with the Serbian Archaeological Institute in Belgrade to analyse the most comprehensive Early Neolithic hoard ever found. Work on the nearly 8000 year old collection of jewellery and figurines is funded by the Thyssen Foundation. The unique hoard is comprised of some 80 objects made of stone, clay and bone. Read more
Colombia sees emerald rush after road works hit vein
Road works in Colombia have sparked an emerald rush after a repair crew hit a rich vein of the precious gem in the northwestern Boyaca region. Hundreds of treasure hunters flocked to the remote area, known locally as The Devil's Nose, after the news spread. Read more
Glass jewellery believed to have been made by Roman craftsmen has been found in an ancient tomb in Japan, researchers said Friday, in a sign the empire's influence may have reached the edge of Asia. Tests have revealed three glass beads discovered in the Fifth Century "Utsukushi" burial mound in Nagaoka, near Kyoto, were probably made some time between the first and the fourth century, the Nara National Research Institute for Cultural Properties said. Read more
Palladium Alliance Announces Design Competition with $1 Million in prizes
Palladium Alliance International (PAI) has announced that it will sponsor what it's calling the industry's largest design contest, with up to 100 winning designers and retailers dividing up $1 million in prizes. Open to designers and retailers located in the United States, the contest asks them to create a piece of jewellery using only genuine gemstones (if gemstones are included in the piece) with 95 percent palladium alloy as the only precious metal design element. Read more
A rare pink diamond is expected to fetch at least $8m (£5m) when it goes under the hammer in Hong Kong. The Martian Pink diamond, about 12 carats in size, is considered extremely rare. Read more
One of the world's oldest and most famous diamonds, the Beau Sancy, has sold for $9.7m (£6m) at auction in Geneva - twice its reserve. The 35-carat gem was worn by Marie de Medici at her coronation as queen of France in 1610. Read more
Royal diamond worth millions of dollars is up for auction
A 34-carat Beau Sancy diamond which has been passed through many European royal families goes on sale at Sotheby's next month.
Sotheby's to sell 400-year-old diamond
The 400-year-old "Beau Sancy," one of the world's oldest and most storied diamonds in private hands, is up for sale at Sotheby's auction house. Weighing in at 34.98 carats, the sparkling gem with a rare pear cut is expected to fetch up to $4 million. Read more
It is thought to be worth millions of dollars but no-one will know its price until it goes on sale later this year, with selected potential purchasers being invited to bid for the huge gem. See more
12.76 Carat Argyle Pink Jubilee Diamond Discovered in Rio Tinto's Argyle Diamonds Mine in Australia
The Argyle Pink Jubilee is a light pink diamond, similar in colour to The Williamson Pink, which is the diamond that Her Majesty The Queen received as a wedding gift and was subsequently set into a brooch for her Coronation. Expert diamond polisher Richard How Kim Kam, who has worked for Argyle for 25 years, started work on polishing the amazing pink diamond in Perth today. Read more