Whether you are a collector designer or someone simply looking for that dreamy blue tanzanite to set in a special jewelry setting we offer quality tanzanite gems at a deep discount from retail. Tanzanite Gemstone is one of the most gorgeous gemstones. Alpha Imports offers a huge selection of shapes and sizes in tanzanite. This is a Super Fine grade 2.75 carats Trillion Tanzanite in size 8.5 mm. Please check the table below for more details.