The deep brownish greenish yellow diamond in Tiffany & Co.'s ring, from the 2014 Masterpiece collection, is inlaid into an opal encircled by a swath of coloured diamonds.

The deep brownish greenish yellow diamond in Tiffany & Co.'s ring, from the 2014 Masterpiece collection, is inlaid into an opal encircled by a swath of coloured diamonds.

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