Yellow sapphire, also known as Pukhraj in Hindi, is a precious gemstone that belongs to the corundum family. It is a variety of the mineral corundum Yellow sapphires are known for their vibrant yellow color, which ranges from pale lemon to rich canary yellow.

Blue sapphire is a precious gemstone known for its deep blue color and stunning beauty. It is a variety of the mineral corundum. Blue sapphires are one of the most popular and valuable gemstones in the world, prized for their intense color and excellent hardness.

Emerald is a precious gemstone known for its vibrant green color. It is a variety of the mineral beryl . Emeralds are typically found in countries such as Colombia, Brazil, Zambia, and Afghanistan

The ruby! It's a precious gemstone known for its deep red to pinkish-red color. A mineral that's highly prized for its beauty and durability. The most valuable rubies come from Myanmar (formerly Burma), known for their vibrant color and clarity.

Diamonds are one of the most valuable gemstones. Diamonds are formed from a single element: high pressured carbon. Diamonds are formed deeper beneath the Earth's surface than most gemstones.