The Micromosaic is Italian and dates to the first half of the 19th century.
The ring is made from high carat rose and yellow gold.
The micromosaic measures 2.7 x 2.3cm.
Ring size P 1/2 UK / 7.75 US.
The mosaic is set within translucent opaline glass, the gold behind which shimmering when caught by the light.
The pyramid was built about 18–12 BC as a tomb for Gaius Cestius, a magistrate and member of one of the four great religious corporations in Rome, the Septemviri Epulonum. It is of brick-faced concrete covered with slabs of white marble standing on a travertine foundation. The pyramid measures 100 Roman feet (29.6 m) square at the base and stands 125 Roman feet (37 m) high.