5.14-6.56 Cts of 12x10 mm AAA Oval Russian Lab Created Alexandrite ( 1 pc ) Loose Gemstone The loose oval Russian Lab Created Alexandrite is the finest AAA quality flawless gem measuring 12x10 mm. The unique color-changing characteristic of Alexandrite makes it a popular gemstone from -Green or bluish-green in daylight, to soft red, purplish-red or raspberry red in incandescent light. Lab created gemstones are developed in the lab creating the same pressure and temperature, these stones have the same chemical, physical, and optical properties as natural gemstones. 30 Day No questions asked Return Policy Free-Shipping within US Loose Russian Lab Created Alexandrite You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!