Sapphire is a corundum gemstone that has meaning, properties, and uses. Corundum gemstones are the crystalline form of aluminum oxide with traces of iron, titanium, vanadium, and chromium. Sapphire is ...
A STUNNING purple gem potentially worth nearly £300 million has been found in Sri Lanka. The ‘Purple Star Sapphire’ weighs an incredible 3,563 carats – and may be the biggest natural star sapphire ...
Princess Diana‘s sapphire and diamond engagement ring set off a trend of using precious gemstones as engagement rings and remains one of the most memorable celebrity and royal family engagement rings ...
Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Jun 26, 2025, 02:26pm EDT Jun 27, 2025, 05:34am EDT A medieval ...
A 3.5-carat sapphire ring (left) costing 10,000 yuan, 8-carat sapphire ring (center) at 30,000 yuan, and a 320,000 yuan 16-carat sapphire (right). They are cut, processed and made in Changle, East ...
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