Stradivarius violin dealer, Florian Leonhard, and his professional violinist wife, Elly Suh

London

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They opted for a 2.07 carat, emerald-cut, lab-grown diamond, set in a halo, using recycled platinum.

Tel: 0208 29 555 46 | Email: lydia@lydiamccarthy-keen.co.uk | Marylebone, London