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Homechevron_rightCar Seats dealschevron_rightDiono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Jet Black
Price DropDiono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Jet Black
query_stats Price history & deal verdict

Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Jet Black

Priced at $199.99, the Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Jet Black offers a competitive entry point that sits slightly below its historical average of $209.99... Read full analysis & FAQs ↓

Current price
$199.99
Price as of September 2, 2026, subject to change.
shopping_cartCheck price on Amazon
Current low$199.99Amazon
90-day avg$209.99historical SKU average
Today vs avg5% belowworth checking
Last checkedSep 2confirm at checkout
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Amazon pick

Diono Radian · 1-count pack at $219.99/count, 5% under its 90-day average.

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Best buying options

Merchant rows include current price, subscription price where available, unit cost, and shipping notes.

AmazonAmazon link-only offer. Price may change at checkout.In stock signal
$199.99current
-list
-subscription
$199.99 / count
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Price as of September 2, 2026, subject to change.
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timeline Price history

90-day price movement

Jul 26, 2026: $219.99 at AmazonAug 29, 2026: $199.99 at AmazonSep 3, 2026: $199.99 at AmazonSep 4, 2026: $199.99 at AmazonSep 5, 2026: $199.99 at AmazonSep 6, 2026: $199.99 at AmazonSep 7, 2026: $199.99 at AmazonSep 8, 2026: $199.99 at AmazonSep 9, 2026: $199.99 at AmazonSep 10, 2026: $199.99 at AmazonSep 11, 2026: $199.99 at Amazon
Sep 11, 2026$199.99Amazon
Current best$199.99down from $219.99
Range low$199.99Aug 29
90-day avg$209.99current is favorable
Jun 1390-day avg $209.99Sep 11

Current best price is $10.00 below the 90-day avg. Chart starts at Jun 13 because that is the earliest observed point in this window. Recent range: $199.99 to $219.99.

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Confirm baby fit and stage

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$219.99 / countCurrent one-time unit price
1 countTracked package size
$/iteminfant, convertible and all-in-one car seats
shieldGuard S&S Price ($169.99)notificationsAlert below $189.99Back to category
verified_userPediatric Value Analysis

Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Jet Black In-Depth Value Review

Fair Deal: 5% Savings Over Standard Retail

Priced at $199.99, the Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Jet Black offers a competitive entry point that sits slightly below its historical average of $209.99. In terms of unit economics, paying $219.99 / count ensures you are receiving solid value per count or ounce relative to comparable name brands in the Car Seats segment. While not an all-time panic clearance, it represents a stable, reliable price for routine restocking without paying full retail markups.

💡 BabyPriceWatch Smart Shopping Strategy:A sensible purchase for immediate nursery replenishment. If you are not in urgent need of delivery, setting a price drop alert on BabyPriceWatch will notify you if this SKU drops closer to its promotional floor.
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Key Advantages

  • Favorable unit economics: priced at $219.99 / count in the Car Seats category.
  • Pediatric brand pedigree: Diono Radian complies with stringent child safety and material certifications.
  • Verified price dip: current price is 5% lower than recent 90-day pricing.
  • Subscription eligible: supports automated recurring delivery discounts on major merchant platforms.
info

Things to Consider

  • Package sizing consideration: the 1 count volume requires dedicated nursery or closet shelf space.
  • Size progression risk: infants grow quickly across weight bands; avoid over-stockpiling more than a 6-week supply in a single size.

child_careDevelopmental Stage & Sizing Fit

Target Stage: Infant to Child (4-65+ lbs)
Category: Travel & Mobility Gear
Package Size: 1 count

Verify vehicle latch alignment and harness strap shoulder positioning. Register manufacturer warranty card for safety recall notifications.

help_outline

Frequently Asked Questions about Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Jet Black

Is $199.99 a good price for Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Jet Black?

Yes. At $199.99, this product is discounted 5% below its 90-day average price of $209.99. It represents an advantageous purchase window compared to typical retail benchmarks.

What is the unit cost of Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Jet Black?

The normalized unit cost for this 1 count package is $219.99 / count. Tracking cost per unit allows parents to accurately compare value across different box counts, mega packs, and competing brands.

How can parents save more money on Diono Radian Car Seats?

To maximize savings, look for Amazon Subscribe & Save options to unlock 5% to 20% off, compare multi-pack unit costs, and utilize BabyPriceWatch to track historical price floors so you buy during promotional dips rather than at peak retail.

What age or stage is this Diono Radian product formulated for?

This product is designed for Infant to Child (4-65+ lbs). It is manufactured to meet pediatric guidelines and verified consumer safety ratings within the Travel & Mobility Gear category.

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