In 2025 the phone rings the same way every week: Christie’s, Sotheby’s, Phillips, Bonhams, and two Geneva houses we cannot name. All asking the same question: “Do you still have anything clean above 30 carats?” They know the answer before they dial. We never say yes. Here is why they call, and why we will…
For years the trade treated Type IIa the same as any other high-color white stone. That changed forever in 2024. Internal sight-holder data (never published) shows the following for D-flawless / IF Type IIa stones above 10 carats originating from Botswana Orapa & Jwaneng: That is not a bubble. That is the permanent disappearance of…
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