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World's largest gem-quality ruby Estrela de Fura is unveiled in Dubai
How Much is Raw Uncut Ruby Worth? Valuing an Uncut Ruby Gemstone | The Natural Ruby Company
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How Much is Raw Uncut Ruby Worth? Valuing an Uncut Ruby Gemstone | The Natural Ruby Company
Estrela de Fura world's largest gem-quality ruby ever discovered
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The Largest Rough Ruby Crystal in the World
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Dubai show: Rare rough ruby, weighing 2.8 kg, makes a debut at Dubai show; expected to fetch $30 mn at auction - The Economic Times
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Sapphire and Ruby | Geoscience Australia
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