Reg Birthstone September Stainless
Regular (4mm) Blue Sapphire Crystal September Birthstone, 316L Surgical Stainless Steel. September's birthstone is a dark blue sapphire crystal. This 3mm simulated sapphire crystal is framed in a silver-coloured rub over bezel setting for a total 4mm diameter, and is finished with a thick post.
Internal Reference:
HR209W