Another high-value yellow diamond has been withdrawn from sale by auctioneers at the last minute. The 45.07-carat fancy vivid yellow, billed as highlight of the Phillips New York Jewels Auction, was expected to fetch $2.8m to $3.5m last Wednesday (12 June). But the square emerald-cut VS1-clarity stone gem was pulled from the sale without explanation. […]

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The 101.29-carat Allnatt diamond, described as one of the world’s most significant fancy vivid yellow stones, is to be auctioned at Sotheby’s Geneva, with an estimate of $6.2m to $7.2m. The Type 1a gem, from South Africa, was named after the British racehorse owner and art collector Major Alfred Ernest Allnatt, who bought in in […]

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This week, Sotheby’s will unveil a group of extraordinary jewels from an Important Asian American collection, coming to auction this autumn in New York and Geneva. This extensive and well-rounded jewellery collection was assembled by a prominent female collector, who over the course of five decades acquired important pieces from top jewellery houses – in […]

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Sotheby’s will offer the historic Farnese Blue diamond at its Geneva sale in May, the first time it has been on the market. The pear-shaped, 6.16-carat, fancy dark grey-blue stone — originally given to Queen Elisabeth Farnese of Spain as a wedding gift following her marriage to King Philip V in 1714 — has spent […]

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