Platinum, gold, diamonds, emerald choker - Viktor Nikolayev, assisted by Gennady Aleksakhin, 1977

Antique golden topaz and gold suite, Iberian c.1790, comprising a necklace and cross pendant, a pair of earrings and a brooch.

Art Deco Carved Emerald, Ruby, and Diamond Pendant Brooch, Chaumet, Paris

Watch set into a single Colombian emerald crystal, circa 1600; the watch is part of the Cheapside Hoard, a cache of jewels and jewelry buried since the Great Fire of London in 1666 and rediscovered in 1912

Maria Christina Royal Devant-de Corsage Brooch ~The brooch was a wedding gift from King Alfonso XII of Spain to his wife Archduchess Maria Christina of Austria in Nov. 1879.