LuAG (Lutetium Aluminum Garnet), also known as Lumogarnet. Lab-grown material with intense neon yellow color and high density. Composed of lutetium aluminum oxide, it is among the most UV-reactive of the synthetic garnets, showing INTENSE fluorescence under ultraviolet light. Valued for its brilliance and durability in both optical and faceting

5.74 g / 28.7 carats / 15.5 x 13.7 x 9.2 mm 

*The gemstone was cut from this material