Buying Custom Cartier vs. As-Is Frames: What's the Difference?

If you've ever admired a pair of Cartier eyewear — the platinum wire, signature screws, the unmistakable C — you already know they occupy a different world from ordinary eyewear. But what many people don't realize is that there are actually two very different ways to own a pair of Cartier frames: buying them as-is off the shelf, or having them custom configured specifically for your prescription, your face, and your lifestyle. At My Eye Gems, we're one of the very few retailers in the country who can walk you through both options — and more importantly, help you understand which one is right for you. As an authorized Cartier dealer, that distinction matters more than most buyers realize.

What Does "As-Is" Mean?

An as-is Cartier frame is exactly what it sounds like: a frame purchased in its original, unaltered form. You're buying the design as Cartier intended it — the metal, the finish, the shape, the size. Authorized retailers and Cartier boutiques can sell you this. You walk in, you pick a frame, and that's what you get. As-is frames are a great entry point into the Cartier world, particularly if you have a standard prescription or you're purchasing a pair purely for style. The craftsmanship is flawless — and yes, Cartier glasses are made with real gold on many of their most iconic styles. You're owning a piece of one of the most revered luxury houses on earth. But as-is also means no customization. The frame that exists is the frame you take home.

What Does "Cartier Custom" Mean?

Cartier Custom is a different conversation entirely. It means working with an authorized retailer who has the knowledge, the access, and the relationships to modify, configure, or source a Cartier frame built around your specific needs.

Prescription Lens Fitting

Many Cartier styles are designed as sunglasses or optical pieces with demonstration lenses, and correctly fitting a complex prescription requires specialist expertise. If you've ever wondered where to buy Cartier prescription glasses and actually trust the result, the answer is a retailer who does this at a specialist level — not a general optician who handles it once in a while.

Lens Selection at the Level the Frame Deserves

Pairing a Cartier frame with the wrong lens is like putting regular fuel in a Ferrari. Knowing how to pick the best lenses for Cartier glasses is its own area of expertise — one that covers thickness, coatings, material, and how the lens sits within the frame's specific geometry. Our custom buyers get that conversation in full before anything is ordered.

Metal Finish and Detail Variations

Certain finishes, screw details, or temple configurations are available through specific sourcing channels that most retailers simply don't have access to. Custom buyers aren't limited to what's sitting in a display case.

Sizing and Fit Adjustments

Cartier frames are precise instruments. Getting the fit right on a frame at this price point matters, and custom fitting at this level is not something every optician is trained or equipped to do. A frame that doesn't sit correctly undermines everything — the look, the comfort, the longevity.

Why Most Retailers Can't Offer Custom Cartier

Here's what separates My Eye Gems from the average eyewear retailer: access, expertise, and accountability at the luxury level. Most authorized retailers that carry Cartier are selling from a standard retail catalogue. They can show you what's in the case. What they can't do is go deeper — source specific configurations, work with precision on high-ticket frames, or provide the kind of consultation that a purchase at this level deserves. If you're researching how much Cartier glasses cost and thinking carefully about where to spend that money, the retailer you choose is as important as the frame itself. My Eye Gems exists in a different category. We've built our business around exactly this kind of expertise. We know the Cartier catalogue the way a jeweler knows stones. We know which frames take custom lenses well, which finishes age beautifully, and what questions to ask before you spend this kind of money. We stand behind every frame we sell with the service to match.

 Which Should You Choose?

If you're looking for an iconic piece and your prescription is straightforward, an as-is frame may be exactly right — and we'll make sure you get the best possible lens fit within that frame. If you have a complex prescription, a specific vision need, or you want something that's been specifically crafted rather than simply purchased, custom is the path. The investment is similar. The difference is everything. Either way, this is a purchase that deserves to be made with someone who knows what they're doing. Browse our Cartier prescription eyewear collection and see what's possible when the retailer actually specializes in what they're selling.