Outstanding 8ctw Madeira Citrines Trillions cut by AGTA (American Gem Trade Association) Award Winner Mark Gronlund! These stones feature his Precision Concave Cuts on top which brings more light into the gemstone and his signature Starburst Cuts on the back to produce maximum fire and brilliance! Once you see his gemstones in person you will never look at gemstones the same way again. His stones are all Precision Cut and are World Class!!