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

4.31 g / 21.55 carats / 11.5 x 10 x 9.0 mm 

*The gemstone was cut from this material