Now Showing: Creating a diamond from a pencil; Marie Antoinette's jeweller; and a Turkish jewellery journey

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Now Showing: How emeralds are cut, creating beautiful jewellery illustrations, and recycling gold

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Now Showing: World's only public diamond mine; $60,000 opal stunner or $50 failure?; Dior behind the bench

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Now Showing: Natural vs synthetic sapphire; making the most of cabochon gems; and the history of Swarovski

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Now Showing: Why is 'Girl with a Pearl Earring' a masterpiece?; up close with coral; and making a Star Wars-inspired ring

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Now Showing: Can you make jewellery from a single bolt?; an abandoned mine full of chrysoprase; and a prized opal collection

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Now Showing: Jeweller makes solid gold AirPods; Van Cleef & Arpels' Mystery Setting; and how a cellist became a celebrated jeweller

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Now Showing: An iconic Van Cleef & Arpels necklace; explore the Tiffany & Co. VIP suite; and the most beautiful crown jewels

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Now Showing: Master jeweller carves humans into gemstones; make synthetic ruby at home; and revisiting Elizabeth Taylor's jewellery

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Now Showing: Making a lapis lazuli glowing ring; $US70m pink diamond; get to know Australian sapphires

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Now Showing: 5 gemstones more expensive than diamonds; Why beautiful things make us happy