The International Colored Gemstone Association (ICA) has appointed Brandee Dallow as its CEO. She will work with the board of directors and members to strengthen engagement, expand collaboration and ...

An unmounted sapphire led the recent Sotheby’s auction in New York, where it brought in $409,600. The piece, a cushion-cut, 5.98-carat Kashmir sapphire, sold within its estimates at the June 18 Fine ...

The Swiss Gemmological Institute (SSEF) has received reliable industry reports of the discovery of a new copper-bearing tourmaline deposit in Ethiopia. The finding comes as the SSEF investigates ...

Dealers preparing for Jewellery & Gem Asia Hong Kong show (June 18-21). Exhibitors expect fair will attract serious buyers focused on large diamonds and gemstones. Long fancy shapes in 2 ct. and ...

An unmounted 10.02-carat, blue diamond raked in $8.7 million at the recent Sotheby’s jewelry sale in New York. The lot, a cut-cornered rectangular modified brilliant, fancy-intense-blue, VS2-clarity ...

The Gemological Institute of America (GIA) plans to introduce cut grades for marquise-, oval- and pear-shaped diamonds next year, marking a long-awaited development for the market. The diamond ...

An emerald and diamond necklace led the recent Bonhams auction in Hong Kong, where it fetched HKD 6.1 million ($778,404). The jewel, from around 1950, features alternating old European, round ...

Botswana has a problem: US consumers don’t know diamonds come from there. They might not even know where it is. That’s why the African nation has exhibited at three consecutive JCK Las Vegas shows, ...

The Russian Federation has issued new guidelines for synthetic diamonds, to distinguish more clearly between lab-grown and natural stones. Lab-grown diamonds set in jewelry should be labeled ...

Christie’s sold a multi-gem ring featuring a 14.26-carat yellow diamond for HKD 1.5 million ($194,470) at its recent auction in Hong Kong. The piece features a round brilliant-cut, 14.26-carat, ...

Storm Mountain Diamonds will put the Kao mine in Lesotho on care and maintenance from July as it faces financial challenges thanks to a prolonged downturn in the rough market. The company was already ...

The opening of the new De Beers London flagship this past winter brought diamond radiance to a grey January day in Paris. Inside, showcases and private lounges flowed into one another, leading to an ...