Optical Sapphire Discs, Cores and Wafers Size:2850g Giant Sapphire Core 4.5in/115mm diameter 69mm thick Depending on the exact size

Depending on the exact size of the zone the eye will be bigger or smaller

They make incredible jewelry which is guaranteed to make a statement

We had some stray scraps that were too small to facet

We have a special on 10mm stones with light chipping--they were shipped without appropriate padding

Optical Sapphire Discs, Cores and Wafers Size:2850g Giant Sapphire Core 4.5in/115mm diameter 69mm thick Depending on the exact sizeThese are cores and wafers of colorless optical sapphire grown by Rubicon, one of the top US growers of sapphire, and purchased from a factory closing auction. These are a mixture of rejected material (likely for surface chips or maybe minor optical misalignments) and cores wafers that just didn't get used before the factory closed. These were grown for use in high end optics and as a substrate to grow bespoke computer chips on. These can of course be