Gems is the answer to the crossword clue for the term 'Diamonds and Emeralds'. Diamonds and Emeralds are two of the most valuable and sought-after gemstones in the world. They are both precious stones that have been used for centuries in jewelry, art, and other decorative items. Diamonds are known for their hardness and sparkle, while emeralds are prized for their deep green color. Both GEMS are highly valued and can be found in a variety of shapes, sizes, and colors.