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Prix de Diane Betting Odds

Sunday 14 June 2026 · Chantilly · By Matthew Glazier · Last updated

The Prix De Diane is a Group 1 contest taking place at Chantilly Racecourse, with the 2026 renewal looking like an intriguing encounter. Diamond Necklace is a worthy favourite although there are some other interesting contenders operating at a bigger price. Blue Rose Cen, Sparkling Plenty and Gezora are some of the recent winners to oblige.

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There are lots of horses who can win this race on Sunday 14 June, with Ballymac Duffle, Great Barrier Reef and Ballymac Deniro hoping to topple favourite Diamond Necklace. The latter is trained by Aidan O'Brien and it's hard to argue with the filly's form considering she has racked up four successive victories.

Prix de Diane Runners & Odds

2026 Prix De Diane Betting Tips

Diamond Necklace could give Aidan O'Brien his latest success in the Prix De Diane. The horse returned for the season in May to score at Longchamp when winning on heavy ground. The filly won by three lengths in the Emirates Poule d'Essai Des Pouliches as the 4/5 favourite, with that coming after an October success at the same French track.

There was a convincing performance as the 11/10 favourite in the Qatar Prix Marcel Boussac - Criterium des Pouliches, with horse coping with very soft ground on that occasion. Previously to this, there was a success at Leopardstown back in September to win a listed race and this came after an August juvenile win which announced her on the big stage.

There's an interesting French raider in the form of Behrayna, with this Graffard-trained charge having secured three successive wins thus far. There was a double at Longchamp including a win in the Prix de la Seine, with the latter coming over one mile and three furlongs on very soft ground. Then came a victory at Chantilly at the end of May which was comfortable.

Aidan O'Brien could also enter Precise into the race. The latest effort towards the end of May saw the filly succeed at the Curragh. That was in the Irish 1,000 Guineas where 4/6 favourite True Love was beaten into second. That came after finishing seventh in the English equivalent, although that run was preceded by a spate of wins at Goodwood, Curragh and Newmarket.

Prix de Diane FAQ

When does the 2026 Prix de Diane take place?
The 2026 Prix de Diane was run at 2.00pm on Sunday 14 June 2026.
Where does the 2026 Prix de Diane take place?
The Prix de Diane is run at Chantilly Racecourse in France.
Can I bet each-way on the Prix de Diane?
Yes. An each-way bet on the Prix de Diane is two bets in one, a win and a place. The number of places paid and the place fraction are set by each bookmaker and confirmed when the final field is declared, so check the each-way terms before betting.
Are there free bets or offers for the 2026 Prix de Diane?
Yes. Sign up with the bookmakers listed at Racing-Odds.com, place a qualifying bet on the Prix de Diane and claim free bets and betting offers once it settles.
Can I watch the 2026 Prix de Diane live?
Several bookmakers stream the Prix de Diane live from Chantilly. Fund your account or place a qualifying bet, then watch the Prix de Diane in-play from start to finish.