1.08 Carats Natural Tanzanian Zircon Gemstone - Round. Prima Gems USA was established with one goal in mind. Prima Gems India employs over 100 world class gem cutters. CTS NATURAL TANZANIAN ZIRCON - ROUND.You can be sure that we will do everything possible to make things right. The item "1.08 Carats Natural Tanzanian Zircon Loose Gemstone Round" is in sale since Wednesday, June 22, 2016. This item is in the category "Jewelry & Watches\Loose Diamonds & Gemstones\Loose Gemstones\Zircon". The seller is "primagemsus" and is located in New York, New York. This item can be shipped worldwide.