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3-in-1 Luxury Stroller

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Additional 2-Year Warranty

Receive an additional 2-year warranty on all car seats and strollers purchased from

Free Shipping on orders over $400*

Diono proudly offers free shipping on orders over $400

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1-2-1 Virtual Car Seat Fitting

Book a 1-2-1 virtual car seat fitting with a member of our car seat safety team.

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Unfortunately this product is currently out of stock. Why not take a look at our full Stroller Collection here. 

We have lovingly engineered an easy folding experience, a clever “one step” brake, and a versatile smart seat, which is suitable from birth. We’ve made life simple with an easy to switch lie flat carriage, which becomes a roomy toddler seat, so that they can see the world. A wonderful 4 tier ‘eclipse’ canopy with air vents and UPF50+ sunshade built in, included. With contemporary styling, we’ve married innovative ‘easy feel’, touch points and a multitude of ideas to make you smile, from a great ride height, adjustable multi position extendable handle, alongside a generous luggage friendly detachable basket. 

  • INCREDIBLY EASY TO FOLD: The Diono Quantum is crafted with a unique fold system, designed to fold at your pace, and effortlessly unfold.
  • CONVERTIBLE 3-IN-1 SMART SEAT: The innovative design enables the carriage to be transformed to a toddler seat by simply connecting 4 clips. Making it easy, quick and convenient! 
  • WE'VE GOT YOU COVERED: The Quantum has been designed with a four-tier, eclipse canopy that protects against the elements. This fantastic canopy also includes a peek-a-boo window, ventilation panel for airflow, and pull down sun visor for maximum comfort all year long.
  • ONE STEP AT A TIME: The Quantum features an intuitive, parent friendly “one step” brake, designed for big boots, small shoes and is even flip-flop friendly. A simple step on, step off movement is all that’s needed to bring the stroller to a smooth stop.

Product Specs

  • Maximum User Weight: 50 lbs
  • Chassis Weight: 20.5 lbs
  • Seat Weight: 11 lbs
  • Product Height: 43 in
  • Product Width: 24 in
  • Product Depth: 32 in
  • Product Height - Folded: 13 in

Care & Maintenance

Stroller: Spot clean. Harness Pads: Machine wash

Warranty Information

12 months