Brand: Tiffany & Co. Name: Tiffany & Co. Harmony Ring 0.18CT F SI1 3EXT Common name: Harmony Model #: Z09120221 Material: Platinum 950 Item rank: Used item A Category: Ladies Size: No. 4.5 Actual size: Maximum width: 3.4 mm (0.13 in) Arm maximum width: 2.3 mm (0.09 in) Color: F Carat: 0.18CT Clarity: SI1 Cut: 3EXCELLENT Stone used: Diamond 0.18CT Diamond Weight: 2.7 g Accessories: Detailed Polished. • Ring size listed will usually be international sizing, not US, unless otherwise stated. You accept this description upon purchase. Please use the Ring Size Chart.