The Blue Diamond Stakes is the pinnacle of two-year-old racing in Victoria and one of the most anticipated juvenile races on the Australian calendar. Scheduled for Saturday, 21st February 2026, this Group 1 feature at Caulfield Racecourse offers $2 million in prize money and serves as a crucial stepping stone towards the Golden Slipper Stakes in Sydney.
First run in 1971, the Blue Diamond Stakes has launched the careers of some of Australia’s greatest horses and most successful stallions. From Manikato to Redoute’s Choice, from Sepoy to Alinghi, the race consistently identifies the brightest young talents in Australian racing. For punters and racing enthusiasts alike, the Blue Diamond represents the first major opportunity to assess the next generation of racing stars.
What is the Blue Diamond Stakes?
The Blue Diamond Stakes is Victoria’s richest and most prestigious race for two-year-old horses. Run over 1200 metres at Caulfield Racecourse under set weight conditions, it attracts the country’s top juveniles each February as part of the Melbourne Autumn Racing Carnival.
Under set weight conditions, colts and geldings carry 55.5kg while fillies carry 53kg, ensuring the most talented youngsters face off on relatively even terms. This structure makes the Blue Diamond a true test of ability rather than a handicapping exercise, allowing the best horses to rise to the top.
Date: Saturday, 21st February 2026
Venue: Caulfield Racecourse, Melbourne
Distance: 1200 metres
Prize Money: $2,000,000
Race Type: Group 1
Conditions: Set Weights (Colts/Geldings 55.5kg, Fillies 53kg)
Age: Two-Year-Olds Only
Blue Diamond Stakes History and Legendary Winners
The Blue Diamond Stakes has been identifying future champions since its inception in 1971, when Tolerance claimed the inaugural running. The race quickly established itself as Victoria’s premier juvenile contest and has produced an extraordinary honour roll of winners who went on to achieve greatness both on the track and at stud.
The first superstar winner was Manikato in 1978, who went on to complete the Blue Diamond-Golden Slipper double before being named Australian Horse of the Year the following season. His victories included the Caulfield Guineas, Futurity Stakes, Doomben 10,000, William Reid Stakes, and George Ryder Stakes, cementing his legacy as one of Australia’s finest sprinter-milers.
Perhaps no winner has had a greater impact on Australian racing than Redoute’s Choice, who won the 1999 Blue Diamond at just his second career start. He went on to become one of the most influential stallions in Australian breeding history, siring 39 individual Group 1 winners including Snitzel, who has continued the dynasty.
Recent Blue Diamond Stakes Winners:
2025: Devil Night (Trainer: Hawkes Racing, Jockey: Michael Dee) – $16 upset
2024: Hayasugi (Trainer: Clinton McDonald, Jockey: Jamie Kah) – Preview/Prelude/Diamond treble
2023: Little Brose (Trainer: Ben & JD Hayes)
2022: Daumier (Trainer: Anthony & Sam Freedman)
2021: Artorius (Trainer: Anthony & Sam Freedman)
Other legendary winners include Alinghi (2004), who was named Australian Champion Three-Year-Old Filly, Sepoy (2011), who completed the Blue Diamond-Golden Slipper double, and Extreme Choice (2016), whose son Devil Night won the 2025 edition.
Trainers and Jockeys to Follow
David Hayes holds an exceptional record in the Blue Diamond Stakes, having trained six winners including Mahassin (1990), Canonise (1991), Nadeem (2006), Sleek Chassis (2007), Reaan (2008), and Catchy (2017) in partnership with his son Ben and nephew Tom Dabernig. His sons Ben and JD continued the family legacy with Little Brose in 2023.
The Freedman family has dominated recent editions, with Anthony and Sam Freedman preparing three of four winners from 2019-2022: Lyre (2019), Artorius (2021), and Daumier (2022). Their ability to prepare high-class juveniles makes any runner from their stable worthy of serious consideration.
Among jockeys, Dwayne Dunn achieved the remarkable feat of winning four consecutive Blue Diamond Stakes from 2005-2008 with Undoubtedly, Nadeem, Sleek Chassis, and Reaan. More recently, Michael Dee has emerged as a Blue Diamond specialist, winning with Daumier (2022) and Devil Night (2025).
The McDonald Family Legacy
Clinton McDonald’s victory with Hayasugi in 2024 was particularly poignant, as his father Ross had won the Blue Diamond with Courtza in 1989. That 35-year gap between father-son Blue Diamond wins highlighted the difficulty of winning Victoria’s premier juvenile race and the remarkable achievement of the McDonald training dynasty.
The Road to the Blue Diamond
The Blue Diamond Stakes follows a well-established path of lead-up races at Caulfield that help identify the leading contenders. Understanding these races is crucial for punters seeking early value in Blue Diamond markets.
Blue Diamond Previews (1000m): Held in late January, these races are split into separate divisions for colts/geldings and fillies. Four of the last six Blue Diamond winners secured a victory in these $200,000 events, making them an essential form guide.
Blue Diamond Preludes (1100m): Run approximately two weeks before the Blue Diamond, these races provide the final dress rehearsal. Winners of the Preludes often start among the favourites for the main event, though stepping up to 1200m can catch some out.
Hayasugi (2024) became just the second filly ever to complete the Preview-Prelude-Blue Diamond treble, following Midnight Fever (1987). For colts and geldings, recent horses to achieve this feat include Daumier (2022), Sepoy (2011), and Reward For Effort (2009).
Blue Diamond Stakes and Golden Slipper Connection
The Path to Golden Slipper Glory
The Blue Diamond Stakes serves as Australia’s most important lead-up race for the $5 million Golden Slipper Stakes at Rosehill in March. While winning both races is rare, the Blue Diamond consistently produces Golden Slipper contenders and has identified five horses that completed the coveted double: John’s Hope (1972), Manikato (1978), Bounding Away (1986), Courtza (1989), and Sepoy (2011).
The form from the Blue Diamond Stakes has proven invaluable for Golden Slipper punters. In 2024, Blue Diamond runner-up Lady Of Camelot went on to win the Golden Slipper, demonstrating how the Caulfield form translates to Rosehill success. The 2022 Blue Diamond third placegetter, Jacquinot, later won the Group 1 Golden Rose Stakes.
For trainers and connections, the three-week gap between the Blue Diamond (late February) and the Golden Slipper (mid-March) provides the ideal preparation window. Many Blue Diamond runners will back up in Sydney, making the Blue Diamond result essential for Slipper betting strategies.
2026 Blue Diamond Stakes Contenders
The 2026 Blue Diamond Stakes is shaping up as a fascinating contest with several exciting juveniles emerging through the lead-up races. Here are some of the key contenders:
Big Sky: The Mick Price and Michael Kent Jnr-trained colt has made a sharp early impression with two dominant 1000m victories, including a three-length success in the Group 3 Chairman’s Stakes. The son of Bivouac has shown natural speed and shapes as a leading contender.
Closer To Free: A sensational debut winner in the Blue Diamond Prelude for Danny O’Brien, leading all the way under Michael Dee. Has shortened dramatically in betting after that resolute victory and looks a genuine chance over the extra distance.
Guest House: The Price and Kent Jnr stable’s second string, this colt showed significant ability when runner-up in the colts and geldings Prelude despite being a work in progress. Has room for improvement second-up.
Streisand: Clinton McDonald’s filly won the fillies’ Prelude division impressively and could follow in the hoofprints of his 2024 winner Hayasugi. McDonald and jockey Jamie Kah/Ben Melham are a combination to respect in this race.
High Alert: Anthony and Sam Freedman chase another Blue Diamond success with this promising colt. After a troubled run in the Preview, he’s expected to improve significantly with a better barrier draw.
Betting on the Blue Diamond Stakes
The Blue Diamond Stakes offers punters an exciting betting challenge, given the limited race experience of most runners. While analysing juvenile form can be difficult, several key factors consistently identify winning chances.
Key Betting Factors:
Preview/Prelude Form: Four of the last six Blue Diamond winners first won a Blue Diamond Preview. Horses that have contested these lead-ups and shown quality are proven at Caulfield and comfortable over the sprint distance.
Barrier Draw: Inside gates are often critical at Caulfield. Look for horses drawn in barriers 1-8 who can secure a forward position without expending too much early energy.
Trainer Records: The Freedman family, Hayes family, and trainers like Clinton McDonald have demonstrated the ability to prepare two-year-olds for this event. Their runners deserve extra respect.
Improvement Pattern: Many Blue Diamond winners improve rapidly at their second or third start. Look for horses showing progression from earlier sprints rather than those who may have peaked in the Preludes.
1200m Experience: Juveniles stepping up to 1200m for the first time can struggle. Horses with proven form at the distance have a significant advantage.
Recent years have produced some notable upset results, including Devil Night at $16 in 2025. While favourites have a reasonable record, the unpredictable nature of juvenile racing means value can often be found outside the top of the market.
Blue Diamond Stakes Day at Caulfield
Blue Diamond Stakes Day is one of the premier race days on the Melbourne autumn calendar, featuring three Group 1 races on a single card. The Blue Diamond is joined by the Group 1 Futurity Stakes (1400m) and the Group 1 Oakleigh Plate (1100m), creating an exceptional day of elite-level racing.
The meeting attracts large crowds to Caulfield and offers punters multiple opportunities across the card. The combination of juvenile talent in the Blue Diamond, proven sprinters in the Oakleigh Plate, and quality milers in the Futurity Stakes makes it one of the most action-packed days of the autumn carnival.
For connections of Blue Diamond runners, success in this race can be transformational. The winner takes home $1.2 million in prize money, and colts that perform well immediately become valuable stallion prospects, with their future stud careers potentially worth tens of millions of dollars.
Frequently Asked Questions
When is the 2026 Blue Diamond Stakes?
The 2026 Blue Diamond Stakes is scheduled for Saturday, 21st February 2026, at Caulfield Racecourse in Melbourne.
What distance is the Blue Diamond Stakes?
The Blue Diamond Stakes is run over 1200 metres at Caulfield Racecourse. It is contested under set weight conditions for two-year-olds.
What is the prize money for the Blue Diamond Stakes?
The Blue Diamond Stakes offers $2 million in total prize money, making it Victoria’s richest two-year-old race and the second richest juvenile race in Australia behind only the Golden Slipper.
Who won the 2025 Blue Diamond Stakes?
Devil Night won the 2025 Blue Diamond Stakes at odds of $16, trained by Michael, Wayne & John Hawkes and ridden by Michael Dee. He narrowly defeated Tentyris and Tycoon Star in a thrilling finish.
Is the Blue Diamond Stakes a good guide to the Golden Slipper?
Yes, the Blue Diamond Stakes is considered the most important lead-up race for the Golden Slipper. Five horses have won both races (John’s Hope, Manikato, Bounding Away, Courtza, and Sepoy), and many Blue Diamond runners go on to contest the Slipper three weeks later.
What are the key lead-up races for the Blue Diamond Stakes?
The Blue Diamond Previews (1000m) in late January and Blue Diamond Preludes (1100m) in early February are the key lead-up races. Both are split into separate divisions for colts/geldings and fillies, and winners often figure prominently in Blue Diamond betting.
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