Aquamarine also belongs to the beryl group and is a blue variety of that mineral. The name Aquamarine means “water of the sea” and the darker and deeper the color, the more valuable the stone. Hardness on the Mohs scale is 7.5-8. It can be found in Brazil.
Christie's and Sotheby's each sold a royal wedding tiara made by Fabergé at their May auctions in Geneva for a combined total of $1.5 million: one belonging to Princess Alexandra of Hanover and the other to her sister-in-law, the German Crown Princess Cecilie of Mecklenburg-Schwerin.