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Diamond giant De Beers has seen its stockpile reach $ ... and are no longer seen as a must-have for engagement rings," the report warned.

De Beers, the world's biggest diamond company, announced at the end of May that it will start selling synthetic diamonds as jewellery for the first time. Such diamonds are chemically identical to ...

The originator of the engagement ring concept, jewellery house De Beers, offers marquise, pear- and heart-shaped diamonds in its current collection, while the ever-popular range at Tiffany & Co ...