i  Following advice from the Government regarding Covid-19, Grand Auctions is closed for the duration of the lockdown.

Blog - Grand Auctions

Ruby and sapphire both belong to the mineral family corundum. Corundum was first synthesised back in 1837 by the French chemist Marc Gaudin, but it was Auguste Verneuil, in the late 19th century, who perfected the process. He invented the flame fusion process, the first commercially successful method of producing synthetic rubies and, later, synthetic sapphires.

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  • Posted by Simon Rufus
star ruby ring

A star ruby or sapphire is a beautiful thing, but a natural, untreated one is a very rare thing. In this blog I will take a brief look at what these stones are, how they are formed and what to look out for.

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  • Posted by Simon Rufus

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