Tanzanite

Tanzanite is a rare blue-to-violet gemstone, a variety of the mineral zoisite, valued for its striking color and rarity.
Topaz

Topaz is a naturally occurring gemstone known for its hardness, clarity, and variety of colors, including blue, yellow, and golden hues.
Sapphire

Sapphire is a precious gemstone belonging to the corundum mineral family, known for its vibrant blue color, exceptional hardness, and durability.
Emerald

Emerald is a precious green gemstone belonging to the beryl mineral family, valued for its vibrant color and rarity.