Brand: Tiffany & Co. Condition: A Size: US: 4.25 / EU: 47 / JP: 7.5 Material: PtPlatinum Comment Tiffany & Co. Material: Pt950 Ring Width: 2.3 mm (0.09 in) 3.7g Tiffany & Co's T Cube Ring Diamond 1P is now in stock. The band ring features a gentle V-shaped line and is very stylish! High purity Platinum The simple design of the material and the addition of a diamond at one point make this a slender and Classic ring. The simple design of the ring makes it suitable for both everyday and casual wear.