De Beers Group Institute of Diamonds is preparing to educate consumers on the specialist art of fancy colour diamond grading at its upcoming collaborative exhibition with Christie’s, which will feature several rare stones, including The Cullinan Dream.
Van Cleef & Arpels’ rubies, Kashmir sapphires and Colombian emeralds will all go under the hammer later this month when Bonhams hosts its London Jewels sale on September 24.
The Dubai Diamond Exchange (DDE), a subsidiary of DMCC, the world’s flagship Free Zone and Government of Dubai Authority on commodities trade and enterprise, has successfully completed three rough and polished diamond tenders hosted between 16-23 July.
Gemfields’ ruby auction nets more than $50mSubscription
Mining and coloured gemstone company Gemfields has reported that its recent ruby auction, held in Singapore from June 11-15, netted revenues of $50m USD (£39.2m).
Rolex and Patek Philippe outperform at auctionSubscription
Renowned luxury brands such as Rolex and Patek Philippe are outperforming among investments in rare vintage watches, with provenance giving further impetus to value.