Fine Jewelry Authentication Specialist
Fine jewelry authentication specialist. Focuses on hallmarks, stone setting, and metal finishing.
Last updated September 2026 · Published June 2026 · Contact
Why the Love Bracelet Is So Heavily Faked
The Cartier Love bracelet retails for $7,050 in yellow gold, $6,800 in white gold, and $5,700 in rose gold (2026 pricing). On the secondary market, lightly worn authentic pieces hold 80–90% of retail value, while popular configurations like the yellow gold with six diamonds trade above retail.
That spread — and the bracelet's unmistakable profile — has made it one of the most targeted pieces in jewelry counterfeiting. Here's what authenticators check.
The Love bracelet's weakness for counterfeiters is that it is almost featureless: two gold halves, eight screws, one word. There is nothing to hide behind, so the checks that decide it are physical — the weight of solid 18K, the laser-cut hallmarks, and the deliberately oval screw heads that fakes round off almost every time.
What to check, ranked by reliability
| Checkpoint | Reliability | What it tells you |
|---|---|---|
| Weight — The First Diagnostic | ★★★★★ | A size-17 yellow-gold Love under ~34 g is plated base metal, no exceptions. |
| Hallmarks — Location, Font, and Legibility | ★★★★★ | Etched, pitted stamps instead of clean laser cuts are decisive even if the letters fit. |
| Screw Profile — The Signature Detail | ★★★★★ | Fully circular screw heads reject the bracelet; the real profile is subtly oval. |
| The "LOVE" Engraving | ★★★★★ | Spacing and character shapes are a useful supporting tell but copied competently. |
| The Screwdriver | ★★★★★ | A loose fit flags a wrong slot, but a missing driver is normal on a pre-owned piece. |
| Box and Documentation | ★★★★★ | Cross-reference only — the warranty serial must match the interior stamp. |
Use our free Cartier Serial Checker to check the engraved serial against the formats Cartier is documented to use.
Check My Serial →Weight — The First Diagnostic
18-karat gold is dense. A genuine Love bracelet in yellow gold (size 17) weighs approximately 36–38 grams depending on exact configuration and screw count. White gold and rose gold variants are within a few grams of this range.
Fakes are made from gold-plated brass, gold-plated silver, or tungsten-filled cores. Brass-plated fakes weigh significantly less. Tungsten-filled fakes are sometimes used specifically to hit the right weight — but in that case, the density feels wrong under the finger (tungsten is heavier per cubic centimeter than gold, so a correctly weighted tungsten fake will feel slightly smaller than an authentic bracelet of the same size).
Test: Weigh the bracelet on a jeweler's scale. If you don't have access to one, hold the bracelet and note the weight feels substantial — not light like costume jewelry, not surprisingly heavy for its volume.
| Element | Authentic | Counterfeit |
|---|---|---|
| Weight (size 17 YG) | ~36–38 g on a jeweller's scale | Well under 36 g (plated brass or silver core) |
| Density feel | Weight matches the visible volume | Too light for the size, or oddly heavy and small (tungsten fill) |
| Magnet | No attraction | Any pull means a ferrous or steel core |
Red flag
A size-17 yellow-gold Love that weighs under ~34 g. Solid 18K has a fixed density; a bracelet that light is plated base metal, and no configuration or screw count closes that gap.
Hallmarks — Location, Font, and Legibility
Inside the bracelet, Cartier stamps three pieces of information:
- The Cartier signature: "CARTIER" in the brand's specific serif capitals — clean, evenly spaced, with the correct character width. On authentic pieces this is laser-engraved and sharp under a loupe.
- Metal purity: 750 (for 18k gold) or 585 (for 14k on some markets). This appears as "750" with an eagle head (French mark) or assay office marks depending on the country of sale.
- Serial number: A unique alphanumeric code identifying the specific bracelet, formatted as two letters followed by four digits (e.g. "CX1234"). This can be verified by Cartier boutiques.
Fake hallmark tells:
- "CARTIER" engraved with incorrect letter proportions or uneven spacing
- Metal purity stamp missing, incorrect, or in the wrong format for the claimed origin market
- Serial number absent or formatted differently from Cartier's standard
- Stamps that look etched (rough, pitted edges) rather than laser-engraved (clean, sharp walls)
| Element | Authentic | Counterfeit |
|---|---|---|
| "CARTIER" signature | Cartier's serif capitals, even spacing, correct character width | Wrong proportions, uneven spacing |
| Cut quality | Laser-engraved, clean sharp walls under a loupe | Etched look, rough, pitted edges |
| Purity mark | 750 (or 585), correct format and assay marks for the sale market | Missing, wrong format, or a purity the piece can't be |
| Serial number | Two letters then four digits, verifiable at a boutique | Absent, or a format Cartier never used |
Red flag
Hallmarks with rough, pitted walls rather than clean laser cuts. Cartier laser-engraves every interior mark; an etched-looking stamp is decisive even when the letters are the right shape.
Screw Profile — The Signature Detail
The Love bracelet's defining design element is its flat-head screws. Examining the screw heads closely reveals a consistent fake weakness:
Authentic screws:
- The slot (opening for the screwdriver) is a clean, straight line across the center of the screw head
- The screw head itself is slightly oval — not perfectly circular. This is intentional in Cartier's design.
- The surface of the screw head is lightly polished to match the bracelet finish
- Screw heads sit precisely flush with the bracelet surface — not recessed, not protruding
Fake tells:
- Fully circular screw heads (the oval profile is consistently missed)
- Slot that's off-center or irregularly cut
- Screw heads that are recessed below the bracelet surface
- Mismatched finish between screw heads and bracelet body
| Element | Authentic | Counterfeit |
|---|---|---|
| Screw head shape | Slightly oval, intentional in the design | Fully circular |
| Slot | Clean straight line across the centre | Off-centre or irregularly cut |
| Height | Flush with the bracelet surface | Recessed below, or protruding |
| Finish | Lightly polished to match the bracelet body | Different finish from the body |
| Screw count | Consistent for the model (fixed screws on both halves) | Wrong count, or screws that fully back out |
Red flag
Fully circular screw heads. The oval profile is the single detail fakes miss most reliably — Cartier's screw heads are subtly egg-shaped, and a perfect circle is on its own enough to reject the bracelet.
The Screwdriver
Every new Cartier Love bracelet is sold with a branded screwdriver. The screwdriver is small, flathead, and carries "CARTIER" on the barrel or handle depending on the era.
- The screwdriver fits the screw slot precisely — too loose means the screwhead slot is wrong
- On older pairs the driver has a red cord; on newer pairs it's silver with Cartier branding
- The screwdriver gift presentation (the small pouch or box it comes in) should be clean with Cartier branding
A missing or generic screwdriver doesn't definitively prove a fake on a pre-owned piece, but correct-fitting action confirms the screw slot dimensions are right.
| Element | Authentic | Counterfeit |
|---|---|---|
| Fit in the slot | Precise, no play, engages fully | Loose, meaning the screw slot is the wrong size |
| Branding | "CARTIER" on the barrel or handle for the era | Unbranded, or a generic flathead |
| Era details | Red cord on older pairs, silver with branding on newer | Details that don't match any Cartier era |
Worth knowing
A missing screwdriver does not prove a fake on a pre-owned bracelet — they are lost constantly. Its value is the fit test: a correct driver seating cleanly in the slot confirms the screw-head geometry is right.
The "LOVE" Engraving
On the outer surface of the bracelet, "LOVE" is engraved in Cartier's sans-serif capitals, spaced around the circumference:
- Letter height and width are proportional and consistent across all four characters
- Engraving depth is consistent — no letter appears shallower than another
- The "L," "O," "V," and "E" use specific character shapes that are subtle but precise (the "O" is slightly taller than wide; the "V" has a specific angle)
- On diamond variants, the "LOVE" lettering shares the surface with the stone settings and must still be centered and legible
Fake "LOVE" engravings commonly have inconsistent letter spacing, slightly off proportions on individual characters, or shallower engraving that fills with metal dust quickly.
| Element | Authentic | Counterfeit |
|---|---|---|
| Letter spacing | Even across L, O, V, E, spaced around the circumference | Uneven spacing, letters crowd or drift |
| Character shapes | O slightly taller than wide, V at a specific angle | Generic sans-serif, O circular, V too wide |
| Depth | Consistent, no letter shallower than another | One or more letters shallower, fills with dust |
| On diamond variants | Lettering stays centred and legible around the settings | Cramped or pushed off-centre by the stones |
Box and Documentation
New Cartier Love bracelets come with:
- A Cartier red box with gold embossed logo (the ribbon is a specific deep burgundy-red, not bright red)
- A warranty card stating the serial number (should match the bracelet interior)
- A care booklet in multiple languages
- The screwdriver
Pre-owned pieces rarely come with full documentation, so box absence alone isn't a fake tell — but if a seller claims to have an unworn piece with original packaging, every element should match Cartier's documented presentation.
| Element | Authentic | Counterfeit |
|---|---|---|
| Box | Cartier red, gold embossed logo, deep burgundy ribbon | Bright-red ribbon, off-colour box, blurred logo |
| Warranty card | States the serial, matches the bracelet interior | Blank, mismatched serial, or no card |
| What it proves | Supporting only on a pre-owned piece | Nothing on its own |
Worth knowing
Packaging is cross-reference material, not evidence. On a pre-owned bracelet, missing box and papers are normal. Where a seller claims a full set, the warranty-card serial must match the interior stamp exactly — that agreement is the useful check, not the box's appearance.
Quick Authentication Checklist
- Weight — 36–38g for size 17 yellow gold
- "CARTIER" hallmark — laser-sharp, correct font, evenly spaced
- Metal purity stamp — 750 present, correct format for origin market
- Serial number — present, alphanumeric, verifiable at Cartier boutique
- Screw heads — slightly oval, flush with surface, clean centered slot
- Screwdriver fits precisely
- "LOVE" engraving — consistent depth and spacing, correct character shapes
Two or more failures means walk away. A single failure on the weight, laser-cut hallmarks, or fully circular screw heads is on its own sufficient.
When to Get a Professional Opinion
The Love bracelet is one of the most heavily counterfeited pieces in jewelry, and the top-tier fakes are genuinely close — real 18K gold, correctly weighted, with laser-cut hallmarks and a plausible serial. At that level the tells narrow to the screw-head profile under magnification and a boutique serial check, and neither is settled by a listing photo.
Against a bracelet that retails from $5,700 to $7,050 and holds most of that on resale, a professional check is a rounding error. Cartier boutiques verify serials against their registry and that is the definitive route; where that is not practical, our jewelry specialists authenticate the Love bracelet from photos, from $30 for 24-hour turnaround, and return a Certificate of Authenticity you can use in a dispute. Note that some high-end fakes carry real serials copied from documented pieces, so a serial match supports but does not replace physical inspection.
FAQ
Can Cartier verify authenticity from the serial number?
Yes. Any Cartier boutique can look up a serial number to confirm it exists in their registry and matches the described piece. This is the definitive check. Be aware that some high-quality fakes carry real serial numbers copied from documented authentic pieces — so a serial match is strong but not final without physical inspection.
Does the Love bracelet come in sizes other than 17?
Yes — sizes range from 15 to 22 in 1cm increments, with 17 and 19 being most common. Size is stamped on the inside of the bracelet near the serial number. If the stamped size doesn't fit the wearer comfortably, investigate whether the stamp was altered.
Is yellow gold, white gold, or rose gold harder to authenticate?
White gold is most frequently plated over base metal because the silver color is easier to achieve with cheap alloys. Rose gold has a distinctive warm-pink tone that's hard to fake convincingly — cheap alloys tend to look more orange. Yellow gold sits in the middle.
I'm buying pre-owned — what's the single most important check?
The hallmarks inside the bracelet. A genuine "CARTIER" stamp with the 750 purity mark and a correctly formatted serial number, all laser-engraved, is extremely difficult to fake convincingly. If those three elements check out under a 10x loupe, you're in good shape. Follow up with a Cartier boutique serial verification to be certain.
