Amazing Top Quality Opal piece With ALGT Certificate. Please see all pictures before biding. Item as some cracks inside as seen on pictures. All items sent with insurance,tracking and express shipping. I cut gemstones , collect, and Trade only top quality. I have study to cut and trade opals and color gemstones in IGS. I am a collector for many years, i have also many minerals and fossils from my Personal collection to sell so i can buy more. In the coming days i will offer many amazing pieces here to be auction, thank you