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Jewellery | Colour me green
Vice President of the CIBJO World Jewellery Confederation ... It's no surprise that envy dons a green garb.
Aga Khan emerald, world's most expensive green stone, fetches record $9 million at auction
A rare square 37-carat emerald owned by the Aga Khan fetched nearly $9 million at auction in Geneva on Tuesday, making it the ...