8-1/2" tall with 3-3/4" square base. Etch is unknown. Circa 1911-1919 in crystal and available etched or with cut notches on the edges and a cut star on the bottom.
Reference: Page 223 The Glass Candlestick Book Volume 3 by Felt and Stoer
This piece is etched on the base, on the stem and the top. The stem etch is of roses. The base looks like flowers, leaves and berries. The top etch is of individual flowers.