Diamond Detail
Cersei prescribes the fix and the price. Book your detail right here.
P
Heavy Stains · Heavy Pet Hair
Throughout the Cabin
Flat Rate — All Sizes
Mobile — We Come To You
Musty AC smell spikes around O'Fallon when HOA garage condensation after storm weeks leave the evaporator wet between short trips across O'Fallon and western St. Charles County.
Cersei OS — Diamond Pipeline
The Diamond line, zone by zone
Our most complete package. Watch the vehicle move through every zone of the Diamond process from intake to delivery.
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Diamond · Zones Complete
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01
Intake
02
Exterior
03
Interior
04
Detail
05
Protect
06
Delivery
01 / Intake
The vehicle is assessed and pre-rinsed; problem areas are flagged before any product touches the paint.
Pricing is based on severity: Our packages are designed for different levels of damage. The more extensive the issue, the higher package tier you'll need for a complete result.
Our 30-day warranty depends on selecting the right package: To ensure satisfaction, choose the package that matches your vehicle's current condition. If you're unsure, call us at (833) 892-8886 and we'll help you select the best option.
Important Pricing & Warranty Information
Pricing is based on severity: Our packages are designed for different levels of damage. The more extensive the issue, the higher package tier you'll need for a complete result.
Our 30-day warranty depends on selecting the right package: To ensure satisfaction, choose the package that matches your vehicle's current condition. If you're unsure, call us at (833) 892-8886 and we'll help you select the best option.
Diamond Detail Package Diamond
Best for heavy stains and/or heavy pet hair throughout the car — our deepest detail package. Not a specialty mold/odor/urine service.
Transparent Pricing
Flat rate for this level — click below to book
What's Included:
What's Included:
Diamond is a flat $849 for every vehicle size — heavy stains and/or heavy pet hair throughout the car. Mold, odor, urine, vomit, and flood are separate specialty services — never Diamond.
What Our O'Fallon Customers Say
Real feedback from satisfied customers.
The Diamond package was exactly what my car needed. The team came right to my driveway in O'Fallon and left it looking better than the day I bought it. Incredibly convenient.
Booked the Diamond detail online and they showed up on time with everything needed. Spotless interior, clean wheels, and a great exterior wash. Highly recommend for anyone in O'Fallon.
Professional, thorough, and friendly. The Diamond package is worth every penny — my vehicle feels brand new and I never had to leave home.
Frequently Asked Questions
How much does a Diamond car detail cost in O'Fallon?
Diamond car detail in O'Fallon is a flat $849 for all vehicle sizes. Best for heavy stains and/or heavy pet hair throughout the car.
What's the difference between Platinum and Diamond?
Platinum is for moderate stains in several areas and/or moderate pet hair. Diamond is for heavy stains and/or heavy pet hair throughout the car.
Can Diamond detail remove heavy pet hair in O'Fallon?
Yes. The Diamond package includes heavy pet hair removal throughout using specialized tools and techniques. If the job is mold, odor, or urine, that is a separate specialty service — not Diamond.
How long does a Diamond car detail take?
A Diamond detail typically takes 2 to 3.5 hours depending on vehicle size and condition.
Cersei OS knows diamond detail inside out. Ask it anything.
Cersei OS is the intelligence behind every recommendation at 123 Steam. Describe what's happening with your vehicle—or upload photos—and Cersei analyzes the issue, identifies the right service for diamond detail, and provides transparent upfront pricing before you book. When another option genuinely makes more sense, Cersei recommends it too. No guessing. No overselling. Every recommendation is confirmed by your technician on arrival.
- Available 24/7
- Trained on 713 Steam's real services & pricing
Cersei OS · Online
A real price up front on diamond detail — plus the right alternative
Try asking Cersei about diamond detail
Every answer comes straight from Cersei OS, trained on 123 Steam's real diamond detail pricing and services.
Ready to Book Your Diamond Detail in O'Fallon?
Schedule your Diamond Package detail today. We come to your location throughout O'Fallon.
Serving O'Fallon and Surrounding Areas
We proudly provide professional mobile Diamond detail packages throughout the Greater O'Fallon area.
- O'Fallon
- Wentzville
- Lake St. Louis
- St. Peters
- Dardenne Prairie
- Cottleville
- Flint Hill
- Josephville
- St. Paul
- Foristell