Colombia produces the world’s most expensive emeralds. The highest-quality stones can be worth tens of thousands of dollars ...

She upped the ante with her jewelry, which included layers and layers of green Colombian emeralds from Lorraine Schwartz jewelry (over 300 carats, actually), including a gem necklace, dangly ...

Colombian emerald on one side. On the other side of the bangle sits a diamond-set watch dial. Easily one of the shining stars of the watches is the Adrivea ring watch. The high-jewelry ring boasts ...