This is parcel of 25 carats natural London blue topaz Stones. Sizes are 3 to 5 carats per piece. color is excellent Rich Blue indicolite . Sizes are big

• Stone: London Blue Topaz
• Total pieces: 5
• Sizes: 3, 4, 5, 5, 6 carat per piece
• Treatment: Heated
• Quality: VVS to Eye Clean
• Origin: Brazil

London blue topaz is a variety of topaz known for its deep indicolite blue color.
The name of "London blue" belongs to the color, which resembles the blue of the Thames River in London. It is one of the most popular colors of topaz. London blue topaz is usually treated to enhance its color and clarity. It is a durable gemstone with a hardness of 8 on the Mohs scale, making it suitable for jewelry. London blue topaz is often used in rings, earrings, pendants, and bracelets MS other jewelry designing projects. It is believed to promote self-expression, communication, and emotional well-being. The gemstone is found in various locations worldwide, but some of the most notable sources include Brazil, Russia, Sri Lanka, and Nigeria.