The Sapphire Talisman of Charlemagne, c. 768-814. Two large cabochon sapphires - one oval, one square - enclose holy relics (what are supposed to be a remnant of the Holy Cross and a small piece of the Virgin's hair, visible only when looking through the oval sapphire at the front of the medallion.) The other gemstones are garnets, emeralds, and pearls. Part of the French Crown Jewels. Read more of it's fascinating history at http://www.angelfire.com/mi4/polcrt/FrenchCrowns.html
Greek gold bracelets for Olbia Treasures Elements: late 2nd century BC; Setting: 1st century BC (Greco-Roman) Medium gold, garnet, amethyst, emerald, pearl, chrysoprase, glass, enamel and modern replacements
A Queen Anne garnet necklace, circa 1770, densely set with faceted and rose-foiled almandine garnets, in a gilt metal setting. The necklace has a detachable pendaloque drop and tapers to ribbon fittings at either end. Garnet jewellery became fashionable during the 18th century, as the use of foiling transformed the stone from deep red to glowing crimson.
Late 2nd-1st century BC (Hellenistic). gold, amethyst, chalcedony, emerald, rock crystal, pearl, and colored glass. Elaborate diadems or necklaces featuring centerpieces of inlaid stones, pendants, and beaded chains go back to 3rd- and 2nd-century Greek jewelry. This necklace was found on the neck of the deceased; as the symbol of the soul, the butterfly was an appropriate motif for a burial gift. The Art Walters Museum.