Sotheby's Geneva to sell the most important emerald & diamond tiara

Sotheby’s Geneva has announced that it will sell the most valuable emerald and diamond Tiara to have appeared at auction in over 30 years in its sale of Magnificent and Noble Jewels in Geneva on the May 17, 2011.  Estimated to sell for $5-10 million (CHF 4.5-9 million), the Highly Important and Extremely Rare Emerald and Diamond Tiara is composed of 11 exceptionally rare Colombian emerald pear-shaped drops which weigh over 500 carats in total and may well have originally adorned the neck of a Maharajah.