Here is a Fine Tiffany & Co Platinum Hexagon Diamond Band Ring.  Made from Solid Platinum 950 and weighs 6.6 grams.  It holds 1.20Ct of Natural Round Brilliant Diamonds that are F-G Color VS1 Clarity, Full of Shine and Fire.  The ring is a size 4.5 and can not be sized.  It is 8.2mm wide, and is hallmarked Tiffany & Co, PT950.  Excellent Condition piece.  Comes with a Tiffany & Co Inner & Outer Ring Box.  Retail $10,000 + Tax!