Bridal Ring Sets Sydney Home ›› Local Listings ›› NSW ›› Rozelle ›› Bridal Ring Sets Sydney NSW Professional Services Rozelle, NSW 2039 Robert Young02 9018 9543View website So is it a wise move to invest in pink diamonds? I have done a lot of research about this subject and I will let some facts as I have found them speak for themselves. Firstly some facts about the Argyle Pink Diamond Tender and Argyle Mine: Argyle pink diamonds sold at Tender have outperformed major equity indices over the past decade and are worth up to 50 times the price of a comparable white diamond.