This is an untreated genuine blue star sapphire, weighing 4.5mm and measuring 8.3mm in width. The gemstone is round in shape and has an excellent cut grade. It has a natural creation and is not enhanced in any way. The item depth is 4.9mm and it comes from Sri Lanka, where it was also manufactured.

This vintage gemstone has a beautiful blue color that is sure to catch anyone's eye. It is perfect for jewelry and watch accessories, or even as a collectible item. With its natural and authentic features, this gemstone is a must-have for anyone who appreciates unique and rare pieces.