Simply brilliant 12.30ct sky blue Topaz set

These topaz are filled with brilliant blue hues, and have vivid saturation with great clarity. They over a carat each, and are filled with high fire linear flashing. All nine gems are beautifully matched in size measuring about 7.1mm x 5.1mm each and have a Mohs hardness rating of 8 out of 10 making them perfect for setting. Sourced from Brazil.