in 3 offers
The lowest price for Sonicare Philips DiamondClean 9900 Prestige right now is $680.34 at Amazon.com.au, compared across 3 retailers.
The all-time low was $548.86 on 8 Oct 2026 — today's price is 24% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 1 Nov 2026.
Sonicare Philips DiamondClean 9900 Prestige
Last updated at 01/11/2026 18:44:30
Philips Sonicare HX9813/91 Next-Generation DiamondClean 9900 Prestige Electric Toothbrush - Intelligent Feedback on Brush Cover, Intelligent Pressure
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 Next-Gen DiamondClean 9900 Prestige Electric Toothbrush
Free delivery between 10–13 Nov
Next-Gen DiamondClean 9900 Prestige Electric Toothbrush
Delivery between 8–11 Nov $29
Philips Sonicare HX9813/91 Next-Generation DiamondClean 9900 Prestige Electric Toothbrush - Intelligent Feedback on Brush Cover, Intelligent Pressure
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 Next-Gen DiamondClean 9900 Prestige Electric Toothbrush
Free delivery between 10–13 Nov
Next-Gen DiamondClean 9900 Prestige Electric Toothbrush
Delivery between 8–11 Nov $29
