Emerald tear drop cut "The foundations of the city walls were decorated with every kind of precious stone. The first foundation was jasper, the second sapphire, the third agate, the fourth emerald," ~ Revelation 21:19
Maxmillian emerald ring. 21.04-carat Colombian emerald was once set in a ring worn by Mexico’s ill-fated emperor, Ferdinand Maximilian Joseph. An Austrian archduke crowned emperor of Mexico in 1864, he was executed during an uprising only three years later.