Tiffany & Company (TIF), a high-end jewelry designer, manufacturer and retailer, is slated to report its fourth-quarter 2011 financial results before the opening bell on Tuesday, March 20. The current Zacks Consensus Estimate for the quarter stands at $1.41 per share, representing an estimated year-over-year decrease of about 2%. Revenue, as per the Zacks Consensus Estimate, is $1,185 million. Third Quarter Overview Tiffany's quarterly earnings of 70 cents a share surpassed the Zacks Consensus Estimate of 60 cents, and surged 52% from 46 cents a share earned in the prior-year quarter. Tiffany, which faces stiff competition from Signet Jewelers Limited ( SIG ) and Zale Corporation (ZLC), posted net sales of $821.8 million during the quarter, up 21% from the prior-year quarter, on the heels of stellar performance of stores in the Americas, Asia-Pacific, Japan and European regions, healthy comparable-store sales growth and new collection launches.