The Ruby 3.0mm is a premium quality, deep red gemstone, perfect for jewelers, goldsmiths, and silversmiths seeking to create exquisite pieces.

Synthetic Ruby 3.0 mm Cabochon: a durable, intensely coloured gemstone with exceptional hardness and heat resistance, perfect for elegant and lasting jewellery designs.

High-quality brilliant-cut ruby medium stones, 2.0 mm in diameter. With a hardness of 9 on the Mohs scale and exceptional heat resistance, these corundum-based gems offer excellent brilliance and durability for fine jewellery designs.