Diamond Necklace Poised For O’Brien’s Magnificent Seven
Description:
Should the Prix de Diane Longines favourite Diamond Necklace (St Mark's Basilica) comply with all established logic at Chantilly on Sunday and deliver, it will be Classic win number seven in 2026 for Aidan O'Brien in a season he is threatening to define. Already one of the six herself, having conquered the Poule d'Essai des
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