Coolmore and Westerberg's €1.7-million Arqana August sale topper Diamond Necklace (St Mark's Basilica) backed up a TDN Rising Star performance at the Curragh last month with a first black-type triumph in Saturday's Listed Ballylinch Stud Irish EBF Ingabelle Stakes at Leopardstown. "I was quite confident when I saw the attitude she had going down to the start and she was really professional," said winning jockey Christophe Soumillon. "She was a little impatient in the stalls and didn't jump out properly. I had to change plans because she was quite far...