The Cheapside Hoard
Objects range from the first century BC to about 1640; the assemblage was buried between 1640 and 1666 - Enamelled gold, silver, and set and unset gemstones: Colombian emerald, Indian diamond, Sri Lankan and Burmese sapphire, ruby and spinel, Persian turquoise, amethyst, garnet, peridot, opal, agate, carnelian, chalcedony, rock crystal and pearl