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The lowest price for Philips Sonicare DiamondClean Prestige Electric Toothbrush right now is $579.11 at eBay.com.au, compared across 3 retailers.
The all-time low was $323.99 on 11 Sept 2026 — today's price is 79% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 31 Oct 2026.
Philips Sonicare DiamondClean Prestige Electric Toothbrush
Last updated at 31/10/2026 15:12:15
Philips Sonicare 9900 Prestige Electric Toothbrush, 5 Brush Heads, Black
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Philips Sonicare 9900 Prestige Electric Toothbrush Hx9992/22 Black
Delivery $125.20
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!
5 9900 | 2000%Sense Iq15 Bd7001 Az
Free delivery between 10–13 Nov
| Brand | Philips Sonicare |
| Type | Electric |
| Rechargeable | Yes |
| Speed | Sonic |
Philips Sonicare 9900 Prestige Electric Toothbrush, 5 Brush Heads, Black
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 Hx9992/22 Black
Delivery $125.20
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!
5 9900 | 2000%Sense Iq15 Bd7001 Az
Free delivery between 10–13 Nov
| Brand | Philips Sonicare |
| Type | Electric |
| Rechargeable | Yes |
| Speed | Sonic |
