
He said: “Based on the size and style, the stone is likely to be three-carat and the colour to be E with a VS1 Clarity.
“The retail price for this is £150,000 from a top jeweller.”
Analysing pictures of the jewel, he explained it is either a three-carat or five-carat diamond.
If it is the latter, the lavish ring could come with a much higher price tag.
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