Approximately 12" diameter and 4.75" tall. There are some making lines (normal for glass wears) and a few imperfections in the making - tiny rough spots on the surface and edge. Pictures #7 and #8 show some closeups of these imperfections.
Please see all photos for exact details. The item "Rare Martha Stewart by Mail MBM Blue Milk Glass Pedestal Cake Stand Plate 12" is in sale since Friday, December 28, 2018.This item is in the category "Collectibles\Kitchen & Home\Kitchenware\Cake Carriers, Savers". The seller is "xyc" and is located in San Diego, California. This item can be shipped to United States, Canada, United Kingdom, China, Mexico, Germany, Japan, Brazil, France, Australia, Russian federation, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Greece, Portugal, Cyprus, Slovenia, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Austria, Bahamas, Israel, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Viet nam.