By Tom FraryIn one of the easiest wins of the week, Diamond Necklace (St Mark's Basilica) made light of Thursday's G1 Qatar Nassau Stakes at Goodwood. “She was very comfortable and that was the best she's felt,” he said of Aidan O'Brien's seventh Nassau and 14th Group 1 winner of 2026. She was a little bit idle in front and is a proper racing machine. DIAMOND NECKLACE (IRE), 126, f, 3, by St Mark's Basilica (Fr) 1–1st Dam: Prudenzia (Ire) (SW-Fr), by Dansili (GB)2nd Dam: Platonic (GB), by Zafonic3rd Dam: Puce (GB), by Darshaan (GB)TDN Rising Star. See The Fire (GB), 135, m, 5, 3–, 135, m, 5, Sea The Stars (Ire)–Arabian Queen (Ire), by Dubawi (Ire).