It’s claimed that lab diamonds could provide a sustainable solution to the unpredictable diamond trade, raising ethical standards and cutting out harmful mining practices. It’s a brilliant idea: within a lab, scientists grow diamonds from ...
Legend has it that aventurine came about after a happy accident in Murano’s 17th-century glass-making workshops. A clumsy workman is said to have dropped copper filings into his molten glass, resulting in a material flecked ...