Blue Sapphire Round 4 mm gemstones are one of the most versatile sapphire sizes available. Their size allows the sapphire's vibrant blue color to become more noticeable while remaining suitable for everyday jewellery designs.

The 4 mm round sapphire is often used as a center stone in delicate rings and earrings. Its classic shape and standardized calibration make it highly desirable among jewellers and gemstone wholesalers.

Common Uses

Sapphire rings

Earrings

Pendants

Halo jewellery

Bracelets

Fine jewellery collections