At its widest part of its swell it has a diameter of 15.5. The neck is 3.75" in diameter and the shade is just under 6" tall.
It does not have any chips or breaks but the edge all along the top and on the bottom is a bit rough. The item "Vintage Torchiere Glass Lamp Shade 15.5 Diameter 2 3/4 Neck 6 Tall" is in sale since Tuesday, February 20, 2018. This item is in the category "Collectibles\Lamps, Lighting\Shades". The seller is "sontag_visual" and is located in Powers Lake, Wisconsin. This item can be shipped to United States.