This undated photo provided by Sotheby's shows a rare Fancy Intense Pink diamond ring weighing 6.54 carats, that has a pre-sale estimate of $4 million to $5 million.  It is among a trove of jewels from the collections of Estee and Evelyn Lauder that will be auctioned to benefit breast cancer research on Dec. 5. (AP Photo/Sotheby's)