Diamonds were not found at craft production centers in the Harappan Civilization.

Indus Valley Civilization:
The Indus Valley Civilization, also known as the Harappan Civilization, was one of the world's earliest urban civilizations that thrived in the Indus River valley in present-day Pakistan and northwest India. It flourished from around 3300 BCE to 1300 BCE and left behind a rich heritage of artifacts and relics that provide insights into their culture, lifestyle, and craftsmanship.

Jewelry in the Indus Valley Civilization:
Jewelry holds great significance in the Indus Valley Civilization and is among the most commonly found relics and artifacts of the Harappan society. Craftsmen in the civilization were skilled in creating a variety of jewelry items using different materials such as gold, silver, bronze, and various gemstones.

Materials Used in Jewelry:
The craft production centers in the Harappan Civilization used a wide range of materials to create jewelry. These materials included:

1. Carnelian: Carnelian, a type of red-orange gemstone, was commonly used in the Indus Valley Civilization to create beads, pendants, and other jewelry items. It was highly valued for its vibrant color and believed to possess protective and healing properties.

2. Jasper: Jasper, a type of opaque and colored gemstone, was also extensively used in the crafting of jewelry. It was used to create beads and seals, and its various colors added diversity to the jewelry collection.

3. Quartz: Quartz, a translucent or transparent gemstone, was another material favored by the Harappan craftsmen. It was used to create beads, amulets, and other decorative items.

Absence of Diamonds:
Although the Harappan civilization had access to a variety of gemstones, diamonds were not found at craft production centers in the region. This absence may be due to various factors, including limited availability or the preference for other gemstones during that time. It is important to note that the absence of diamonds does not diminish the craftsmanship and beauty of the jewelry created by the Harappan civilization.

In conclusion, while diamonds were not found at craft production centers in the Harappan Civilization, the craftsmen of this ancient civilization still created exquisite jewelry using materials such as carnelian, jasper, and quartz. These jewelry items provide valuable insights into the culture, artistic skills, and fashion preferences of the Indus Valley Civilization.