See our: marquise jewelry.A type of finger ring that has a vertical elliptical bezel pointed at both ends and is set with a large gemstone (usually a diamond) or paste, sometimes with a surround of small diamonds, a clusterof diamonds, seed pearls or small gemstones, or a cameo or a jasper medallion made by Wedgwood.Some examples used as mourning jewelry have enamelling on the bezel in purple or black or enclose under the bezel a miniature, usually of a womanweeping by a willow or urn. Such rings were introduced in the second half of the 18th century.