Tiffany & Co Lucida Diamond Ring. The diamond is colorless grade F color. VS2 with difficult to spot inclusions even with a loupe, and is cut in a well balanced manner. This is a beautifully designed diamond ring. The girdle of the diamond is laser engraved with LUCIDA (visible only under a microscope). (Only visible under a microscope). The faceted portion of the diamond is laser engraved with T & Co. G12060179 (visible only under a microscope). Ring Weight: 0.47ct Color: F Clarity: VS2 Cut: EXCELLENT Polish: VERYGOOD Symmetry: VERYGOOD Fluorescence: FAINT Material: Platinum 950 Weight: 4.5g Size: just over 10 (about 10.2) Resizing: possible up to size 9 (9 JP / US 4.5)-12.5 No resizing fee (Resizing takes 3-5 days.) Condition Polished Accessories: Tiffany & Co box Tiffany & Co Certificate of Authenticity