PERTH, Australia -- Pink diamonds are gaining popularity among wealthy consumers and investors worldwide as rising inflation sparks a scramble for rare assets considered to have enduring value.
Rio Tinto's Argyle mine closure adds extra novelty to rare gems

Argyle pink diamonds are especially prized for their deep hue. (Photo by Rurika Imahashi)
PERTH, Australia -- Pink diamonds are gaining popularity among wealthy consumers and investors worldwide as rising inflation sparks a scramble for rare assets considered to have enduring value.