(IDEX Online) - Gemfields achieved a record high price of $322 per carat at its latest series of mixed-quality rough ruby ...

(IDEX Online) - Botswana is braced for its worst economic downturn since the Covid crisis, amid the ongoing slump in demand ...

(IDEX Online) - A 10.33-carat Burmese ruby and diamond ring smashed its $2m high estimate and sold for $5.5m at Sotheby's New ...

But the fact that diamonds are so hard - and function as an effective barrier to short-range radiation - means they're perfect for the "battery that never dies". Scientists are using lab grown ...