Top 5 world's most expensive spices.

1) Cinnamon

Cinnamon is basically the inner back of the Cinnamon tree. It is produced in Indonesia, China, Vietnam and Sri Lanka.

2) Clove

Cloves are the flower buds of the tree. They are commonly used as spice.Cloves are produced in Indonesia, India, Madagascar and Sri Lanka.

3) Cardamom

Cardamom is produced in Tanzania, India, Sri Lanka and Vietnam. The seeds and oil of Cardamom have many medicinal properties.

4) Vanilla

Vanilla is mostly produced in Madagascar, Mexico, Indonesia and China. It is used as flavouring agent, perfume manufacture, etc.

5) Saffron

 Saffron is used as an antioxidants. It is produced in india, Greece and Iran.