Give three uses of diamond.

Explanation

To answer the question "Give three uses of diamond," we can follow these steps:

### Step 1: Identify the first use of diamond.
Diamonds are widely known for their aesthetic appeal and brilliance when polished. Therefore, one of the primary uses of diamond is in **jewelry**.

### Step 2: Identify the second use of diamond.
Diamonds are recognized as the hardest natural substance on Earth. This property makes them suitable for industrial applications. One significant use is in **deep boring drills**, where diamonds are used to cut through hard materials.

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