“There is a similar ring coming up for auction at Sotheby’s for £1million, but at retail that might be £2million.  It’s interesting that it’s so traditional. The invincibility of the diamond as a stone goes with the idea of forever love. It suggests it’s been given by an old-fashioned romantic. It’s the largest size diamond that you could wear every day. If you’re getting engaged at this point in your life, she’s going to want to wear things, not lock them away in a safe,” Woolton added.

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