De Beers has announced plans to reduce the number of sightholders in its next supply agreement, which will take effect from January 2026, citing a decline in available rough diamonds as the primary reason. The changes were communicated in a letter dated 20 September, following a sightholder event at the Hong Kong Jewellery & Gem Fair, according to industry analyst Avi Krawitz. Strategic Realignment Amid Declining Rough Availability The forthcoming reduction in sightholder numbers will be determined by a new selection and allocation process, with De Beers stating that the objective process aims to adapt to anticipated lower availability of…

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