Rio Tinto has unveiled its first significant Argyle pink diamond jewellery piece since the closure of the iconic Argyle mine in Western Australia: the A$6 million Argyle Romantica ring, handcrafted with 3.42 carats of rare pink, red and blue diamonds from the mine. The Argyle Romantica is the first piece produced under the Argyle Pink … Continue reading Rio Tinto unveils iconic $6M Argyle Pink Diamonds ring