8 Diameter with no cracks. There are lines that at first glance apear like cracks in the glass, but they are not, they are paterns of the glass, also you can see air bubbles in glass. Chain is stuck in knot at top, (I cant unravel it) it has about 8 slack on ea.The item "Cat Suncatcher Stained glass" is in sale since Wednesday, January 27, 2021. This item is in the category "Pottery & Glass\Glass\Art Glass\Stained Glass". The seller is "george7384" and is located in Newport, Vermont. This item can be shipped to United States.