Ancient Persians believed the sky was blue because it reflected a massive sapphire beneath the Earth, giving the stone cosmic symbolism. Kings, priests, and rulers wore sapphires to signal wisdom, ...

Gemstones are valued based on the Four Cs - color, clarity, cut, and carat. Precious stones include diamonds, sapphires, rubies, and emeralds. Semi-precious stones are evaluated on their rarity and ...

According to CBSL data, declared exports of precious stones in 2024 were less than £382 million. However, the value is much higher for unaccounted exports and clandestine trade. The main destinations ...

Marvel has unveiled a collection of 'Infinity Stones' comprised of actual precious gems with a combined value of more than $25 million – and their very own Infinity Gauntlet. The $25 million valuation ...