For Sale: A Vintage Swiss Blue Topaz Ring, showcasing a Magnificent Oval shape and beautifully faceted Swiss blue Topaz Solitaire Gem. It weighs 11 carat and measures 15mm x 12mm. The gemstone seems to be flawless. The color is a mesmerizing sky blue. The topaz is basket set in solid 14k yellow gold, hallmarked 14k. The band is presently a size 10 but can be resized easily. The ring weighs 5.3 gram.