in 31 offers
The lowest price for Sonicare Philips DiamondClean Prestige 9900 right now is $396.79 at Amazon.com.au, compared across 9 retailers.
The all-time low was $343.01 on 23 Oct 2026 — today's price is 16% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 28 Oct 2026.
Sonicare Philips DiamondClean Prestige 9900
Last updated at 28/10/2026 08:02:44
Philips Sonicare DiamondClean 9900 Prestige Electric Toothbrush with SenseIQ Technology and App, 5 Cleaning Modes, 3 Intensity Levels, Travel Charging
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Philips Sonicare 9900 Prestige Our Most Advanced Electric Toothbrush
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Philips Sonicare 9900 Prestige Electric Toothbrush
Delivery between 3–6 Nov $7.95
Philips Sonicare 9900 Prestige Electric Toothbrush with Portable Travel Case HX9992/22 Midnight Blue
Delivery between 1–5 Nov $41
Sonicare Philips Sonicare Prestige 9900
Free delivery
Philips Sonicare Prestige 9900 Electric Toothbrush with SenseIQ - Champagne
Delivery between 31 Oct – 5 Nov $7.95
Sonicare DiamondClean 9900 Prestige Electric Toothbrush with SenseIQ Technology and App, 5 Cleaning Modes, 3 Intensity Levels, Charging Case, Dark Blu
Free delivery between 6–11 Nov
Philips Sonicare DiamondClean 9900 Prestige Electric Toothbrush with SenseIQ Technology and App, 5 Cleaning Modes, 3 Intensity Levels, Charging Case,
Free delivery between 6–11 Nov
Philips Sonicare Next-Gen DiamondClean 9900 Prestige Electric Toothbrush
Delivery between 3–6 Nov $29
| Product Type | Electric Toothbrush |
| Subtype | Electric toothbrush, Sonic |
| Replaceable Head | Yes |
| Head Size | Compact |
| Included Accessories | Travel case |
Philips Sonicare DiamondClean 9900 Prestige Electric Toothbrush with SenseIQ Technology and App, 5 Cleaning Modes, 3 Intensity Levels, Travel Charging
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Philips Sonicare 9900 Prestige Our Most Advanced Electric Toothbrush
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Philips Sonicare 9900 Prestige Electric Toothbrush
Delivery between 3–6 Nov $7.95
Philips Sonicare 9900 Prestige Electric Toothbrush with Portable Travel Case HX9992/22 Midnight Blue
Delivery between 1–5 Nov $41
Sonicare Philips Sonicare Prestige 9900
Free delivery
| Product Type | Electric Toothbrush |
| Subtype | Electric toothbrush, Sonic |
| Replaceable Head | Yes |
| Head Size | Compact |
| Included Accessories | Travel case |
