In keeping with its long-term strategy, the company has broadened its collection with the introduction of a new mechanical chronograph. Read more on Europa Star. NC farm produces emerald shaped into massive gem. An emerald so large it's being compared with the crown jewels of Russian empress Catherine the Great was pulled from a pit near corn rows at a North Carolina farm. North Carolina â€" Russia â€" Gemstone â€" United States â€" Catherine II of Russia . ...