7.488 Crt Vivid Pinkish Red Spinel from Mahenge, Tanzania

This 7.488-carat natural spinel from Mahenge, Tanzania, displays a vivid pinkish-red colour in an elegant cushion cut. Measuring 12.25 × 10.03 × 6.79 mm, it offers a striking presence for bespoke jewellery or a gemstone collection. Bellerophon Gemlab report B59106 identifies its Tanzanian origin, even colour distribution and transparency, with no indications of any treatment. Spinel is a magnesium aluminium oxide gemstone admired for its rich colours and bright lustre. With a Mohs hardness of 8 and a refractive index of approximately 1.718, it combines beauty with durability. Notable sources include Tanzania, Myanmar, Sri Lanka and Vietnam.