Best Sonicare Diamond Deals - Top 10 in March 2026

Last Update: 16. March 2026
1
Best Choice
10.0
Philips
TODAY 50% OFF!
£399.99 (50% DISCOUNT!)

  • Advanced sonic toothbrush for improved oral health: with the same brushing, it's up to 20 x more effective¹ and provides up to 15 x healthier gums²
  • Personalise your brushing with this innovative electric toothbrush for adults: choose from 4 brushing modes and 3 intensity levels to meet your oral healthcare goals
  • Real-time feedback: the light ring on the end of your handle will flash if you use too much pressure, so you can ease off the pressure and protect your teeth and gums
  • Personalised guidance: connect your toothbrush to the Philips Sonicare app and receive personalised brushing guidance to maintain and improve your brushing habits
  • #1 dental professional-recommended sonic toothbrush brand worldwide³: benefit from Philips expertise to keep your teeth and gums in the best condition
  • The set includes: 1 x DiamondClean Smart 9400 sonic electric toothbrush, 1 x A3 Premium All-in-One brush head, 1 x G3 Premium Gum Care brush head, 1 x charging glass, 1 x USB charging travel case
  • Contains UK 2-Pin bathroom plug for use in bathrooms. Packaging may vary.
Colour Brand Weight
White Philips 840 g
£19999
RRP: £399.99 -50%
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2
Best Value
9.9
Philips Consumer Lifestyle B.V.
TODAY 70% OFF!
£569.99 (70% DISCOUNT!)

  • This advanced Philips sonic toothbrush provides improved oral health with up to 10 x better plaque removal¹ with the C3 Premium brush head for naturally whiter teeth
  • Personalise your brushing with this electric toothbrush: choose from 4 brushing modes and 3 intensity levels to meet your oral healthcare goals
  • Safe and gentle: if you apply too much pressure, the handle will pulse slightly, reminding you to ease off the pressure, thereby protecting your teeth and gums
  • Perfect your brushing routine: connect your electric toothbrush to the Philips Sonicare app for coaching and progress reports
  • The set includes: 2 x DiamondClean 9000 sonic electric toothbrushes, 2 x C3 Premium Plaque Defence brush heads, 1 x charging glass, 1 x charging stand
  • Contains UK 2-Pin bathroom plug for use in bathrooms. Packaging may vary.
Colour Brand Weight
Black, Rose Gold Philips 810 g
£16927
RRP: £569.99 -70%
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3
9.8
Philips Consumer Lifestyle B.V.
TODAY 55% OFF!
£299.99 (55% DISCOUNT!)

  • An effortlessly white smile: With the Philips Sonicare DiamondClean 9000 Series, remove surface stains for whiter teeth in just 3 days. Premium Plaque Control brush heads clean and whiten your teeth
  • Exceptional cleaning: Choose from 4 different brushing modes to brighten your smile and improve your gum health: Clean, Deep Clean, Gum Health and White all help to clean your teeth and gums
  • Improve cleaning: Use the Sonicare App and the Premium Plaque Control brush heads to ensure that you're using the right mode and intensity for you, removing up to 10 x more plaque than a manual toothbrush
  • Advanced Sonicare technology: The DiamondClean 9000 series uses powerful sonic vibrations at 62,000 pulses every minute to drive plaque-fighting bubbles between your teeth and gums, for a gentle clean
  • Set Includes: 1 x Philips Sonicare 9000 Series electric toothbrush in pink, 1 x C3 Premium Plaque Control brush heads, 1 x travel case and 1 x charger base and puck
  • Contains UK 2-Pin bathroom plug for use in bathrooms. Packaging may vary.
Colour Brand Weight
Diamondclean 9000 Pink (1bh) Philips 640 g
£13507
RRP: £299.99 -55%
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4
9.7
Philips Consumer Lifestyle B.V.
TODAY 56% OFF!
£299.99 (56% DISCOUNT!)

  • An effortlessly white smile: With the Philips Sonicare DiamondClean 9000 Series, remove surface stains for whiter teeth in just 3 days*. Premium Plaque Control brush heads clean and whiten your teeth
  • Exceptional cleaning: Choose from 4 different brushing modes to brighten your smile and improve your gum health: Clean, Deep Clean+, Gum Health and White+ all help to clean your teeth and gums
  • Improve cleaning: Use the Sonicare App and the Premium Plaque Control brush heads to ensure that you're using the right mode and intensity for you, removing up to 10 x more plaque than a manual toothbrush
  • Advanced Sonicare technology: The DiamondClean 9000 series uses powerful sonic vibrations at 62,000 pulses every minute to drive plaque-fighting bubbles between your teeth and gums, for a gentle clean
  • Set Includes: 1 x Philips Sonicare DiamondClean 9000 Series electric toothbrush in dark blue, 1 x C3 Premium Plaque Control brush heads, 1 x travel case and 1 x charger base and puck
  • Contains UK 2-Pin bathroom plug for use in bathrooms. Packaging may vary.
Colour Brand Weight
Diamondclean 9000 Aquamarine (1bh) Philips -
£13250
RRP: £299.99 -56%
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5
9.6
Philips

  • Advanced sonic toothbrush for improved oral health: with the same brushing, it's up to 20 x more effective¹ and provides up to 15 x healthier gums²
  • Personalise your brushing with this innovative electric toothbrush for adults: choose from 4 brushing modes and 3 intensity levels to meet your oral healthcare goals
  • Real-time feedback: the light ring on the end of your handle will flash if you use too much pressure, so you can ease off the pressure and protect your teeth and gums
  • Personalised guidance: connect your toothbrush to the Philips Sonicare app and receive personalised brushing guidance to maintain and improve your brushing habits
  • #1 dental professional-recommended sonic toothbrush brand worldwide³: benefit from Philips expertise to keep your teeth and gums in the best condition
  • The set includes: 1 x DiamondClean Smart 9400 sonic electric toothbrush, 1 x A3 Premium All-in-One brush head, 1 x G3 Premium Gum Care brush head, 1 x charging glass, 1 x USB charging travel case
  • Contains UK 2-Pin bathroom plug for use in bathrooms. Packaging may vary.
Colour Brand Weight
Black Philips 840 g
£18832
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6
9.5
Philips Consumer Lifestyle B.V.
TODAY 56% OFF!
£319.99 (56% DISCOUNT!)

  • This advanced Philips sonic toothbrush provides improved oral health with up to 10 x better plaque removal¹ with the C3 Premium brush head for naturally whiter teeth
  • Personalise your brushing with this electric toothbrush: choose from 4 brushing modes and 3 intensity levels to meet your oral healthcare goals
  • Safe and gentle: if you apply too much pressure, the handle will pulse slightly, reminding you to ease off the pressure, thereby protecting your teeth and gums
  • Perfect your brushing routine: connect your toothbrush to the Philips Sonicare app for coaching and progress reports
  • #1 dental professional-recommended sonic toothbrush brand worldwide²: benefit from Philips expertise to keep your teeth and gums in the best condition. Packaging may vary.
Colour Brand Weight
Diamondclean 9000 Aquamarine (4bh) Philips 670 g
£13992
RRP: £319.99 -56%
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7
9.4
Philips Consumer Lifestyle B.V.
TODAY 64% OFF!
£549.99 (64% DISCOUNT!)

  • SenseIQ technology: Philips Sonicare 9900 Prestige with SenseIQ technology senses pressure, motion, coverage and more, up to 100 times per second, it then adapts the intensity if you push too hard
  • Sonicare Technology: Philips Sonicare technology pulses water between your teeth while brushing helping to breakdown plaque for an exceptional daily clean
  • Same brushing, now 20x more effective: Up to 20x more plaque removal even in hard-to-reach areas*, 15x healthier gums in just two weeks**, and 100 percent less stains in less than two days***
  • Personalized guidance: The Philips Sonicare app provides progress reports by day, week and month, get personalized recommendations and actionable steps for better brushing
  • Set includes: 1 x DiamondClean Prestige 9900 toothbrush handle in Midnight Blue, 1 x A3 Premium All-in-One Brush head in black, 1 x Prestige USB charging case in Midnight Blue, 1 x Charger base, 1 x USB lead and wall adapter
  • Contains UK 2-Pin bathroom plug for use in bathrooms. Packaging may vary
Colour Brand Weight
Midnight Blue Philips 506 g
£19900
RRP: £549.99 -64%
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8
9.4
Philips
TODAY 13% OFF!
£34.50 (13% DISCOUNT!)

  • Advanced Diamond-Shaped bristles, high-density bristle pattern and 44% more bristles
  • Suitable for Philips SoniCare FlexCare+, FlexCare, HealthyWhite, HydroClean, EasyClean and DiamondClean handles.
  • "Push on" Brush head easily slips on to the handle
  • Reminder bristles
  • 4 Pack
Colour Brand Weight
White Philips 50 g
£2999
RRP: £34.50 -13%
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9
9.3
Philips Consumer Lifestyle B.V.
TODAY 28% OFF!
£34.50 (28% DISCOUNT!)

  • Up to 7x more plaque removal than a manual toothbrush
  • Diamond-shaped bristles give you 100% whiter teeth in 1 week
  • Automatically selects optimal mode for ultimate results**
  • Automatically selects optimal mode for ultimate results**
  • Tested to meet your oral health needs
Colour Brand Weight
White Philips 4.54 g
£2490
RRP: £34.50 -28%
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10
9.2
Philips Consumer Lifestyle B.V.
TODAY 53% OFF!
£349.99 (53% DISCOUNT!)

  • From the no.1 dental professional recommended sonic toothbrush brand worldwide
  • Whiter teeth in 1 day.* helps prevent the most common oral health care issues**
  • Brush sync-enabled: auto-detects type of brush head attached and alerts you when it's time to replace it
  • Select from 4 modes (clean, white+, gum health, deep clean+) and 3 intensities for personalized brushing experience
  • Set includes: 1 x Philips Sonicare DiamondClean Series 9000 Sonic Electric Toothbrush, 1 x C3 Premium Plaque Control Brush Head, 1 x Sonicare Charger, 1 x USB Travel Case
  • Contains UK 2-Pin bathroom plug for use in bathrooms. Packaging may vary.
Colour Brand Weight
Black Philips 520 g
£16499
RRP: £349.99 -53%
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* the possibly used term "best" etc. refers only to our possibly subjective personal opinion.
** "Free Delivery" means that this is possible under the given conditions at the time of data retrieval from the relevant provider, but cannot be guaranteed. It is technically not possible to provide information in real-time. The shipping costs may vary under certain circumstances (different provider, place of delivery, etc.). The shipping costs shown in the further ordering process apply.

Other IMPORTANT INFORMATION that we ask you to take note of:

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Disclaimer:
1. The prices shown may have risen since the time we last updated them.
2. The actual price of the product on the seller’s site at the time of purchase will govern the sale.
3. It is not technically possible for the prices displayed above to be updated in real-time. 

More information and FAQs about the featured Sonicare Diamond in this comparison:


Technical Details
Colour White
Brand Philips
Weight 840 g
Advantages
  • Effective
  • Smart
  • Long-lasting battery
  • Deep cleaning
  • Customizable settings
FAQs about Philips Sonicare DiamondClean Smart 9400 Electric Toothbrush, Sonic Toothbrush with App, Pressure Sensor, Brush Head Detection, 4 Brushing Modes and 3 Intensity Levels, White, Model HX9917 / 88
Does the toothbrush come with a charging station?
Yes, the Philips Hx9917/88 Sonicare Diamond Clean 9400 comes with a charging station for convenient charging.
Does this toothbrush have a timer function?
Yes, the Sonicare Diamond Clean 9400 has a built-in timer that helps you brush for the recommended two minutes.
Can the toothbrush be used with braces?
Yes, this electric toothbrush can be used with braces, but it's always recommended to consult with your orthodontist.
Is the Sonicare app compatible with all smartphones?
The Sonicare app is compatible with most smartphones running on iOS and Android operating systems.
Is the toothbrush suitable for sensitive teeth?
Yes, the Philips Hx9917/88 Sonicare Diamond Clean 9400 has different brushing modes, including a sensitive mode for those with sensitive teeth.
Technical Details
Colour Black, Rose Gold
Brand Philips
Weight 810 g
Advantages
  • Effective
  • Multiple modes
  • Gum pressure sensor
  • Bluetooth connectivity
FAQs about Philips Sonicare DiamondClean 9000 Electric Toothbrush, Sonic Toothbrush with App, Pressure Sensor, 4 Brushing Modes, 3 Intensity Levels, Charging Glass, Black & Rosegold, Dual Pack, Model HX9914 / 57
Does the toothbrush come with a travel case?
Yes, the DiamondClean set includes a travel case for each toothbrush, allowing for easy and hygienic transportation.
How long does the battery last on a full charge?
The Sonicare 9000 DiamondClean toothbrushes have a battery life of up to 3 weeks when fully charged, making them ideal for traveling.
Can the toothbrush be used in the shower?
Yes, the Sonicare 9000 DiamondClean toothbrushes are waterproof and can be safely used in the shower or near water sources without any issues.
What modes are available on the toothbrush?
The toothbrush offers 4 modes: Clean, White+, Gum Health, and DeepClean+. These different modes provide customized brushing experiences for various oral care needs.
Is the toothbrush compatible with the Sonicare app?
Yes, the toothbrush has Bluetooth connectivity, allowing it to sync with the Sonicare app. The app provides real-time tracking and personalized coaching for improved brushing habits.
Technical Details
Colour Diamondclean 9000 Pink (1bh)
Brand Philips
Weight 640 g
Advantages
  • Sonic technology
  • 3 intensity modes
  • Smart brush head recognition
  • Wireless charging
FAQs about Philips Hx9911 / 84 Sonicare Diamond Clean 9000 Series, Power Electric Tooth Brush, Pink, 1 Count, Pack of 1
Wie lange hält der Akku?
Der Akku hält bei voller Ladung circa 3 Wochen.
Gibt es verschiedene Reinigungsmodi?
Ja, das Produkt bietet 5 verschiedene Reinigungsmodi: Clean, White, Gum Care, Deep Clean und Tongue Care.
Ist der Zahnbürstenkopf austauschbar?
Ja, der Zahnbürstenkopf kann ausgetauscht werden. Es wird empfohlen, dies alle 3 Monate zu tun.
Ist die Zahnbürste wasserdicht?
Ja, die Zahnbürste ist wasserdicht und kann problemlos unter fließendem Wasser gereinigt werden.
Wie lange dauert es, bis der Akku vollständig geladen ist?
Der Akku benötigt ungefähr 24 Stunden, um vollständig aufgeladen zu werden.
Technical Details
Colour Diamondclean 9000 Aquamarine (1bh)
Brand Philips
Weight -
Advantages
  • Powerful
  • Effective
  • Long battery life
  • Easy to use
  • Built-in timer
FAQs about Philips Sonicare DiamondClean 9000 Series Power Electric Toothbrush Special Edition - Sonic Brush, Dark Blue, 1 X C3 Premium Plaque Control Brush Head (Model HX9911 / 88)
How long does the battery last on a full charge?
The Philips Sonicare DiamondClean 9000 Series Power Electric Toothbrush can last up to two weeks on a full charge.
Does it come with a travel case?
Yes, the Special Edition of the Philips Sonicare DiamondClean 9000 Series Power Electric Toothbrush includes a travel case.
Can I use it in the shower?
Yes, the Sonic Brush is designed to be water-resistant and can be used safely in the shower.
Does it have different brushing modes?
Yes, the Philips Sonicare DiamondClean 9000 Series Power Electric Toothbrush offers multiple brushing modes, including Clean, White, Gum Health, Deep Clean, and Tongue Care.
How often should I replace the brush head?
It is recommended to replace the brush head every three months for optimal cleaning performance.
Technical Details
Colour Black
Brand Philips
Weight 840 g
Advantages
  • Effective
  • App integration
  • Smart brushing modes
  • Sleek design
  • Removes plaque
FAQs about Philips Sonicare DiamondClean Smart 9400 Electric Toothbrush, Sonic Toothbrush with App, Pressure Sensor, Brush Head Detection, 4 Brushing Modes and 3 Intensity Levels, Black, Model HX9917 / 89
Does the Philips Hx9917/89 Sonicare Diamond Clean 9400 come with a charging base?
Yes, the toothbrush comes with a charging base.
Can this toothbrush be used with braces?
Yes, the Sonicare Diamond Clean 9400 can be used with braces.
Is the Philips Hx9917/89 Sonicare Diamond Clean 9400 compatible with the Sonicare app?
Yes, this toothbrush is compatible with the Sonicare app.
How long does the battery last on a full charge?
The battery on the Philips Hx9917/89 Sonicare Diamond Clean 9400 can last up to 3 weeks on a full charge.
What is included in the pack?
The pack includes 1 Philips Hx9917/89 Sonicare Diamond Clean 9400 toothbrush in black.
Technical Details
Colour Diamondclean 9000 Aquamarine (4bh)
Brand Philips
Weight 670 g
Advantages
  • Powerful
  • Effective
  • Long-lasting battery
  • Multiple brushing modes
FAQs about Philips Sonicare DiamondClean 9000 Electric Toothbrush, Special Edition, Sonic Toothbrush with App, Pressure Sensor, 4 Brushing Modes, 3 Intensity Levels, Charging Stand, Aquamarine, Model HX9911 / 89
Does this toothbrush come with a charging station?
Yes, the Philips Hx9911/89 Sonicare Diamond Clean 9000 Series comes with a charging station.
How long does the battery last when fully charged?
The battery of the Philips Hx9911/89 Sonicare Diamond Clean 9000 Series lasts up to 3 weeks when fully charged.
Is the brush head replaceable?
Yes, the brush head of the Philips Hx9911/89 Sonicare Diamond Clean 9000 Series is replaceable.
Can this toothbrush be used by children?
The Philips Hx9911/89 Sonicare Diamond Clean 9000 Series is intended for adult use, but children can also use it under adult supervision.
Does this toothbrush have a timer function?
Yes, the Philips Hx9911/89 Sonicare Diamond Clean 9000 Series has a built-in timer to ensure proper brushing time.
Technical Details
Colour Midnight Blue
Brand Philips
Weight 506 g
Advantages
  • Effective
  • Smart
  • Premium design
  • Long battery life
FAQs about Philips Sonicare DiamondClean Prestige 9900 - Sonic Electric Toothbrush with 1x A3 Premium All-in-One Brush Head and Charging Case in Midnight Blue (Model HX9992 / 12)
What color is the Philips Sonicare DiamondClean Prestige 9900?
The Philips Sonicare DiamondClean Prestige 9900 is available in Midnight Blue.
What is included in the package?
The package includes 1x A3 Premium All-in-One Brush Head and a Charging Case.
Can the brush head be replaced?
Yes, the brush head can be replaced with other compatible Sonicare brush heads.
Does the toothbrush have different brushing modes?
Yes, the Philips Sonicare DiamondClean Prestige 9900 offers multiple brushing modes for different cleaning needs.
Is the charging case portable?
Yes, the charging case is portable and allows you to charge the toothbrush while on the go.
Technical Details
Colour White
Brand Philips
Weight 4.54 g
Advantages
  • Whitens teeth
  • Interchangeable heads
  • Easy to use
  • BrushSync mode pairing
FAQs about Philips Sonicare W2 Optimal White (was DiamondClean) interchangeable sonic brush heads HX6064 / 12 4-pack Standard size Click-on BrushSync mode pairing
Are these brush heads compatible with all Philips Sonicare toothbrush models?
Yes, these brush heads are compatible with all Philips Sonicare Click-on models.
What is the difference between the W2 Optimal White brush heads and the DiamondClean brush heads?
The W2 Optimal White brush heads are the new and improved version of the DiamondClean brush heads, providing even better plaque removal and whitening.
What is the size of the brush heads?
The brush heads are in standard size, suitable for most users.
How many brush heads are included in this pack?
This pack includes 4 brush heads.
Does the BrushSync mode pairing feature work with all Philips Sonicare toothbrushes?
Yes, the BrushSync mode pairing feature works with all Philips Sonicare Click-on toothbrush models.
Technical Details
Colour Black
Brand Philips
Weight 520 g
Advantages
  • Effective
  • Multiple modes
  • Gum pressure sensor
  • Connected handle
FAQs about Philips Sonicare DiamondClean 9000 Black Electric Toothbrush, 4 Modes, 3 Intensities, Gum Pressure Sensor, App, Connected Handle, UK 2-Pin Bathroom Plug, Packaging May Vary
What are the available modes for this toothbrush?
The Philips Sonicare DiamondClean 9000 Black Electric Toothbrush offers 4 modes: Clean, Gum Care, Deep Clean, and White.
How many intensities does this toothbrush have?
This toothbrush has 3 intensities: Low, Medium, and High.
Does this toothbrush have a gum pressure sensor?
Yes, it is equipped with a gum pressure sensor to prevent over brushing and protect your gums.
Is the handle of this toothbrush connected to an app?
Yes, the handle is connected to an app to provide real-time feedback and personalized coaching.
What type of plug does the packaging include?
The packaging includes a UK 2-Pin Bathroom Plug.

General information you should know about Sonicare Diamond:


Are you tired of using a regular toothbrush and not getting the results you desire? Look no further! Introducing the Sonicare Diamond, the ultimate dental care solution that guarantees a professional clean feeling every time you brush. In this article, we will provide you with an overview of the Sonicare Diamond, its features, and how it compares to other toothbrushes in the market. By the end, you'll be convinced that the Sonicare Diamond is the right choice for you.

The Sonicare Diamond is not your ordinary toothbrush – it harnesses the power of sonic technology to provide you with a superior clean. With up to 62,000 brush movements per minute, it removes up to 10 times more plaque than manual toothbrushes, ensuring a thorough cleaning experience. Its high-frequency vibrations create dynamic cleaning action, driving fluid deep between your teeth and along the gumline for exceptional results.

One standout feature of the Sonicare Diamond is its DiamondClean brush head. This unique brush head is designed to gently and effectively remove surface stains, giving you visibly whiter teeth in just one week. Say goodbye to expensive teeth whitening treatments and hello to a radiant smile from the comfort of your own home.

Furthermore, the Sonicare Diamond offers multiple brushing modes, including Clean, White, Gum Care, Deep Clean, and Sensitive. This versatility allows you to customize your brushing experience according to your needs. Whether you're looking for a quick clean or a more gentle approach for sensitive gums, the Sonicare Diamond has got you covered.

When compared to other toothbrushes in the market, the Sonicare Diamond stands out for its advanced features and unbeatable performance. Its innovative brush head technology combined with the sonic technology ensures a deep clean that goes beyond the capabilities of manual toothbrushes and even other electric toothbrushes. With the Sonicare Diamond, you can enjoy professional dental care in the comfort of your own home.

Still not convinced? Consider the numerous satisfied customers who have experienced the wonders of the Sonicare Diamond. Their reviews rave about its effectiveness and the noticeable improvements in their oral health. Don't miss out on the opportunity to achieve a healthier, more confident smile.

In conclusion, it's clear that the Sonicare Diamond is a game-changer in the world of dental care. Its advanced features, including sonic technology, DiamondClean brush head, and multiple brushing modes, make it the ultimate choice for achieving a superior clean. Say goodbye to manual toothbrushes and join the Sonicare Diamond revolution. Invest in your oral health and be amazed by the results. Get your Sonicare Diamond today and experience the difference yourself!