With the closure of the Argyle Mine in Australia in 2020, which once supplied 90% of the world’s pink diamonds, prices surged nearly 500% within a few years. In January 2023, Tiffany & Co. acquired the last 35 Argyle pink diamonds from the mine, a purchase described as a "historic acquisition," further highlighting their immense investment value.
隨著原本供應全球達 90% 粉紅鑽的澳洲阿蓋爾礦場於 2020 年關閉,其價格在幾年內更上漲了近500%,2023年1月 Tiffany 購入阿蓋爾礦場最後產出的 35 顆阿蓋爾粉紅鑽,更被形容是「歷史性的收購」,阿蓋爾粉紅鑽的投資價值之高可見一斑。