Previously, pink diamonds were found only sporadically ... As designers explored Argyle’s unique palette of colour and light, the coloured diamond was transformed from a gemmological curiosity ...
A rare pink diamond has sold for HK$453.2 million (US$57.7 million) in Hong Kong, setting a record for price per carat paid at auction for any diamond or gemstone, according to Sotheby’s auction ...
PERTH, Australia -- Rio Tinto's second Beyond Rare™ Tender: The Art Series 02 has delivered a strong result, reflecting the extraordinary rarity and unique provenance of the collection, together with ...