Pink Diamonds and Imperial Jade, Rio Tinto Debuts The Argyle Empress Necklace
By Erika Winters Rio Tinto has debuted a luxurious statement necklace that for the first time combines the company's Argyle pink diamonds with imperial jade. The Argyle Empress, designed by Hong Kong jeweler Chow Tai Fook, is comprised of over 43 carats of Argyle pink diamonds and 33 Imperial jade beads. Incl...