A Tiffany & Co Solitaire Lucida Cut-Cornered Square Mixed Cut Diamond Ring, four claw set in platinum on a 3.1 to 2.5mm tapered band. Tiffany & Co report 27884059/L11090091 (laser inscribed on crown) Measurements: 5.61 x 5.47 x 3.69mm, Depth: 67.5% Fluorescence: None Girdle thickness: Slightly thick Precision cut grade : Excellent, Polish grade: Excellent Symmetry grade: Very good Metal: Platinum PT950 Carat: 0.91ct Colour: F Clarity: VVS1 Cut: Square Mixed Cut Weight: 5.55 grams Engravings/Mark