"... they saw, as if she came in answer to their words, the Lady Galadriel approaching. Tall and white and fair she walked beneath the trees. She spoke no word, but beckoned to
"... Down a long flight of steps the Lady went into a deep green hollow...
"... Earendil, the Evening Star, most beloved of the Elves, shone clear above. So bright was it that the figure of the Elven-lady cast a dim shadow on the ground.
Its rays glanced upon a ring about her finger; it glittered like polished gold overlaid with silver light, and a white stone in it twinkled as if the Even-star had come down to rest upon her hand
J.R.R. Tolkien - The Fellowship of the Ring