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Sale HK017 | Lot 141
Emerald and Diamond Necklace, Kat Florence
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Lot 141
Emerald and Diamond Necklace, Kat Florence
The articulated necklace set with pear-shaped and oval emeralds together weighing 23.90 carats, decorated with baguette and brilliant-cut diamonds together weighing approximately 6.30 carats, mounted in 18 karat white gold, length approximately 470mm, signed.
Imperial Topaz
Topaz has a broad colour of various tones and saturations. One of the most sought-after and valuable varieties is known as imperial topaz, a trade term referred to those of medium reddish orange to orangered colour. The origination of the term can be traced back to the nineteenth century, when the Ural Mountains in Russia were the leading source of topaz and the ownership of the gem was restricted to the royal family. Most gem-quality imperial topaz comes from two major mines including Vermillion and Capão of Brazil. Though discovered in the early 1700s, these areas yield very small amount of imperial rough. For instance, at the Capão mine, only 1-2% of the rough is imperial colour and suitable for faceted gems, making the output very precious and valuable.
This 8.50-carat imperial topaz of saturated orangy pink to red colour is a true majestic wonder that was once kept in the collection of the owner of Vermilion mine.