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An 18Ct Gold Ring Set With Three Opals And Old Cut Diamonds. Sold For £1,100

Coloured Gemstones

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Coloured Gemstone Auctions

Always popular with buyers, coloured gemstones such as sapphires, emeralds, rubies, aquamarines and amethysts can always be found in Harper Field’s quarterly specialist jewellery auctions.

Natural, untreated stones will always achieve a premium, so it is vital that your items are examined by a specialist before selling – just contact us to arrange an appointment with Alexandra

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Sell with Harper Field

Curious to know if your item is suitable for one of our upcoming sales. Provide information and share images to request an online estimate now.

Browning B25 Diana 12 bore over and under ejector shotgun with Pierre Lallemand engraved scenes of birds to the locks

Browning Shotgun Date-Code Guide

17th October 2026

Use this guide to help identify the date code on your Browning shotgun. Please check the result against Browning's official dating information, as codes can vary by model.

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