Largest ever blue diamond to be auctioned – Oppenheimer Blue The largest ever blue diamond will go under Christie's hammer in May. NaturallyColored.com | March 31, 2016 | 8:52 am
Would Palladium replace gold as engagement rings choice of metal? Gold has concentrated lots of interest in the past 6-7 years due to the economic crisis. NaturallyColored.com | May 6, 2015 | 1:43 am
