Aquamarine on Black Medusa ring by Legge and Braine London.  Handmade Venetian glass cabuchon mounted on a silver or Vermeil base.  Glass cabochon is approximately 1.75 inches in diameter and 1 inch high.  On silver base $950, on Vermeil base $975.   Overnight shipping is not available for this item.  May take up to two weeks for delivery.