Transparent materials

After the removal of the polycarbonate sheets, the problems of wear and tear due to the aging of the materials are reduced to a minimum, according to the 3rd report of the Technical Inspectorate for OAKA

A rare rough ruby dubbed one of the world's biggest has gone on display for the first time ahead of an auction in the Gulf emirate of Dubai.

The 8,400-carat stone, nicknamed Burj Alhamal and weighing 2.8 kilograms, was mined in Tanzania and made its debut at a Dubai hotel on Friday as part of SJ Gold and Diamond's Callisto collection.

A sapphire-and-diamond brooch and matching ear clips which once belonged to Russia's Romanov imperial dynasty were snapped up at a Sotheby's auction on Nov. 10 for nearly $900,000.

A jewelry set worn by French emperor Napoleon Bonaparte's adopted daughter sold for $1.65 million in Geneva on May 12, soaring way above the pre-auction estimate.

Marking the 200th anniversary of Napoleon's death, Christie's auction house sold the nine imperial jewels adorned with sapphires and diamonds, which were from the collection of his adopted daughter Stephanie de Beauharnais.

Greek company Paramina plans to leverage its third Posidonia participation this summer to launch a range of new products in the air compressor category.

Şişecam, Turkey’s biggest glassmaker, has said its Paşabahçe unit, which makes tableware and home furnishings, has started talks to acquire shares in Arc International, a French household goods maker.

In a filing to the Istanbul Stock Exchange, Şişecam stated that Paşabahçe had signed a non-disclosure agreement regarding the non-binding talks.