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Quantum Orange Facet & Radian 3QXT Black Jet

or 4 interest-free payments of $237.50. Learn More

Enjoy worry-free buying and perks with the Diono Difference

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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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Quantum Orange Facet & Radian 3QXT Black Jet

Exclusive web bundle!

Get your hands on the next generation Radian® 3QXT and get a FREE Quantum2 Stroller worth $549.99*

Quantum 2 Features:

  • YOU’RE IN CONTROL Our patented “you’re in control”, fold, means Quantum2 folds at your pace, and always stays clean. And the power assisted unfold experience makes life even easier.
  • ABOVE THE HUSTLE & BUSTLE With our beautiful and unique silhouette, the Quantum2 elevates your child so they sit above the hustle and bustle of busy urban streets.
  • WE HAVE YOU COVERED Generous and airy 3 tier canopy which envelopes the seat with a private & “paparazzi proof”, cover.
  • ONE STEP STOP Intuitive, mom & dad friendly “one step”, brake designed for big boots, small shoes and flip flop friendly!
  • SMOOTH MOVES Rivet free, symmetrical frame offers assured balance and super smooth turning circle.

Radian® 3QXT Features:

  • THE MOST ADVANCED RADIAN ALL-IN-ONE CONVERTIBLE CAR SEAT - From infant to booster seat, rear and forward facing the Radian® 3QXT adapts as your child grows for 10 years of use 4 - 120 pounds
  • 4-IN-1 NEWBORN PROTECTION - Designed for safe rear facing travel from 4 - 50 pounds complete with Safe+® inserts and Safe+® steel anti-rebound bar to reduce rebound rotation by 50%
  • SAFE+® ENGINEERING - Our most rigorously tested Radian® all-in-one convertible car seat; featuring Safe+® steel rear facing anti-rebound bar, steel reinforced frame, advanced side impact protection and diono SuperLATCH attachment.
  • SLIM FIT DESIGN FOR 3 ACROSS - Features 8 layers of Safe+® side impact protection (including Safe+® side Impact management pod without compromising 3 across installation in most midsize vehicles.
  • ONE HAND EASY ADJUST 12 POSITION HEADREST - Contoured to improve child head containment and provides a 22% increase in occupancy range from the radian R series.

*This web bundle offer is for the Radian® 3QXT in Black Jet and Quantum 2 Stroller in Orange Facet Only.

Product Specs

Warranty Information

12 months standard warranty - extended to 36 months when you register with Diono® post purchase