The emeralds are green gems that are mined in various geological environments. These emeralds are complemented by other gemstone jewelry, including diamonds, sapphires, rubies, Bahamian marine treasures, jewelry and watches. Log in or log in to manage your credit card account with Colombian Emeralds online. Columbian emeralds are known for their deep green color, while their Zambian counterparts are preferred by those who want a breathtaking bluish-green stone. The Colombian Emeralds International, Fort Lauderdale, FL.