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A Belle Epoque wirework brooch set with diamonds around a central cushion-cut and crown-set Burmese sapphire of around four carats – £44,000 at Laidlaw in Carlisle.

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The most famous location is the Mogok Stone Tract but current mining is severely limited, meaning many of the best stones are those appearing on the secondary market.

Estimated at £2000-3000, this Belle Epoque wirework brooch set with diamonds around a central cushion-cut and crown-set Burmese sapphire of around four carats sold for £44,000 at Laidlaw (18% buyer’s premium) in Carlisle on December 8.