Topaz is a type of gemstone used often in jewelry. It is made of silicate mineral of aluminum and fluorine. As of 21012, colorless topaz costs around $8 per carat.
The cost of topaz depends on the size of the stone, the color and the rating. It can vary from as low as $30 to as high as several thousands of dollars.
Topaz is measured by carats just like other gemstones are. The average going price for this lovely gemstone is $8.00 per carat. However, it can have a range of $5.00 to $100.00 per carat depending on the quality and type.
The cost of Topaz can vary from $25.00 to $350.00 per carat based on the quality rating of the stone. Quality factors for this semi-precious gemstone include color, clarity, cut and size.