Premium cuts, special prices every Monday.
20kg bulk Pure Wagyu sirloin whole SB-10. From Grand Champion 2025 Australian Wagyu. 400-day grain-fed with exceptional marbling and rich flavour.
Pickup available at Peter Augustus Store Camp Hill
Usually ready in 24 hours
A Premium Wagyu Cut Delivering Exceptional Marbling and Versatility
Diamantina's 20kg Bulk Box - Pure Wagyu Sirloin Whole SB-10 offers an unparalleled dining experience with its Australian Wagyu breed, recognized for its SB-10 marbling. This marbling enriches the sirloin with exceptional tenderness and a buttery flavour, making each bite a true delight. Our Wagyu sirloin's rich flavour profile is a testament to its 400-day grain-fed program, ensuring top-tier quality and texture. Sourced from Australia, our sirloin excels in cooking methods like pan-searing, grilling, or roasting. this premium Wagyu sirloin guarantees satisfaction for connoisseurs seeking superior beef.
Buyers favour our Pure Wagyu sirloin whole SB-10 for its consistent quality and high-yield performance, ideal for both professional chefs and home cooks seeking an exceptional ingredient. Our sirloin's premium attributes make it perfect for those who appreciate top-grade beef with rich flavour and tender texture. With Diamantina's commitment to excellence in Wagyu beef, purchasing our bulk sirloin promises an investment in culinary satisfaction. Shop today to experience the superior quality of our Wagyu sirloin that truly stands out in the market.
This Wagyu sirloin features intricate marbling throughout the muscle, delivering exceptional tenderness, juiciness, and a rich, buttery flavour profile. It offers the perfect balance between tenderness and structure, making it highly versatile across premium applications.
Designed for efficiency and consistency, this product provides a strong yield and flexibility for butchers and foodservice operators working at scale.
An elite Wagyu sirloin delivering award-winning quality, exceptional marbling, and versatile premium performance for professional kitchens and butchery operations.
Our 20kg bulk Pure Wagyu sirloin whole SB-10 is ideal for culinary professionals, restaurants or catering businesses seeking premium quality beef. The product's exceptional marbling and rich, buttery flavour make it a standout choice.
Our 20kg bulk Pure Wagyu sirloin whole SB-10, renowned for its exceptional marbling and rich Flavour, is a versatile choice for various cooking methods. Its unique fat rendering and tenderness ensure an exquisite taste, making it ideal for pan searing, grilling, barbecuing, or oven roasting. Achieve perfect doneness by following these specific tips.
Pan Sear: Maintain medium-high heat to allow the Wagyu sirloin's marbling to melt, enhancing its buttery Flavour. Sear each side for about 3-4 minutes.
Grill: Opt for medium heat to ensure even cooking, preserving tenderness. Turn every 4-5 minutes for cross-hatch grill marks and juicy results.
BBQ: Use indirect heat for a slow cook, letting the Wagyu sirloin's natural juices create a succulent texture. Check for an internal temperature of around 58°C for medium-rare.
Oven: Preheat to 180°C and roast for approximately 15-20 minutes, allowing the beef's rich Flavour to intensify. Rest for 10 minutes before slicing to retain juices and taste.
Striploin, also known as Sirloin, New York Strip, or Porterhouse (when bone-in), is a premium cut prized for its bold flavour and balanced tenderness. It comes from the short loin of the cow and features a fine grain with a satisfying bite. It's a favourite among chefs and home cooks alike for its generous marbling and robust, beefy taste.
All of our beef is from our parent company Stanbroke Beef. This is important as the quality of the beef and ultimately your eating experience is determined by the care that has been shown to the animal during each stage of the production process. Any undue stress the animal experiences at any stage of its life is detrimental to the beef it will produce.
As Stanbroke owns and operates each stage of the production process, strict best practices are followed to ensure the animals always receive the highest of care and that’s why at Peter Augustus we can guarantee the quality of our product each and every time.
The SB Score measures intramuscular fat (the white flecks in the meat). Higher scores mean more marbling, which results in superior tenderness, juiciness, and a richer, buttery flavour.
Vacuum sealing removes air from the packaging, slowing oxidation and bacterial growth to extend freshness and shelf life. When stored correctly at 0–4°C, you can expect the following guide:
For longer storage, keep products frozen at -18°C, where vacuum sealed meat can last 1 to 3 years depending on the cut and consistency of temperature.
Once opened, the shelf life reverts to that of standard fresh products, so we recommend consuming promptly.
For longer delivery routes, some items may arrive partially or fully frozen to ensure they remain within safe temperatures during transit.
Our beef is vacuum sealed to lock in freshness and extend shelf life by removing oxygen. This can cause the meat to appear darker or slightly purplish due to natural myoglobin, which is completely normal.
Once opened, simply let your steak rest out of the packaging for 10 to 20 minutes. As it’s exposed to air, it will “bloom” back to its natural rich red colour. Rest assured, your beef is fresh and perfectly safe to enjoy.
Yes. If the “Use By” date is within range your meat is fresh. Any colour variation from vacuum sealing is normal and will return to its natural red once opened and allowed to bloom.
We offer a range of pickup and delivery options to suit you:
All delivery orders are packed in a food-safe, insulated chilled box with ice packs to maintain safe temperatures throughout transit.
Yes, our butchers are happy to accommodate custom cutting requests where possible and safe to do so. For example, you may like a rump cap portioned into steaks. Simply specify your preferred thickness or weight per piece, such as approximately 2.5cm or 300g portions.
You can add these instructions in the “View Cart” section before checkout using the notes box or send them through to us via email.
We use specialist refrigerated courier partners to keep your order within the cold chain from dispatch to delivery. Each order is packed in a thermal carton lined with VISYCELL® sustainable insulation, a food-grade, biodegradable material designed to maintain a consistent chilled temperature throughout transit.
We also include large 1kg ice gel packs in every box to help keep your products at optimal temperature. Our packaging has been tested to maintain safe temperatures for a few hours after delivery when left in a shaded area.
While the outer carton may show signs of handling during delivery, the internal insulation is specifically built to protect the contents and preserve freshness.
If you detect any issues with the temperature or seal of your products upon arrival, please contact our team immediately so we can find a solution for you.
