Excellent4.7 · 38 reviews on TrustpilotOffers 24/7Free collectionAuthenticated the same day it arrivesPaid the same dayCall 01924 943540

Royal Oak Diamond-Set guide

Sell Audemars Piguet Royal Oak Diamond-Set

Learn how to identify factory diamond-set Royal Oak references, what affects their assessment and the straightforward process of selling to EncoreLuxe with same-day authentication and bank transfer payment.

Get my free valuation
Audemars Piguet royal oak diamond-set guide from EncoreLuxe

Understanding the Diamond-Set Royal Oak

If you own a factory diamond-set Royal Oak and are considering selling, understanding its exact reference and condition helps form realistic expectations.

The question most owners ask first is whether their watch is a genuine factory diamond-set model or has been modified after leaving the manufacture. Factory versions were produced with diamonds set by Audemars Piguet during assembly, following precise specifications for cut, size and placement. These differ markedly from aftermarket-set examples, which receive stones later and are assessed on a different basis.

Gerald Genta designed the Royal Oak in 1972 as a bold statement in stainless steel with an octagonal bezel secured by eight hexagonal screws and an integrated bracelet. The diamond-set interpretations maintain this architectural language while adding brilliance around the bezel. Each reference carries a suffix denoting its primary material: ST for steel, OR for pink gold, BA for yellow gold, BC for white gold and others for bi-metal or special editions.

Factory diamond-set Royal Oaks include the 15451ST at 37mm with forty brilliant-cut diamonds on the bezel, the 77351 at 34mm with a diamond-set bezel, the 67651 at 33mm with a quartz movement and diamond bezel, and the 26715 at 38mm in chronograph form with diamond detailing. These configurations were produced over particular periods, and dial finish varies by execution rather than following one fixed pattern.

The 15451ST Reference in Detail

The 15451ST measures 37mm in stainless steel and features a bezel set with forty brilliant-cut diamonds. It houses the self-winding Calibre 3120. It was produced for a period alongside other Royal Oaks of similar size, with dial finish depending on the individual execution. The integrated bracelet follows the established Royal Oak construction and closes with a folding clasp.

This reference represents one of the more readily recognised diamond-set versions due to its balanced size and mechanical movement. Its design preserves the sharp bevels on the case and the deliberate contrast between brushed and polished surfaces that define the Royal Oak aesthetic. When examining examples, attention centres on the evenness of the diamond setting and the integrity of the factory work around each stone.

Distinguishing the 15451ST requires close inspection of the case markings and the specific arrangement of the forty diamonds. The specialist checks the case, caseback, engravings and movement. Its calibre and size set it apart from both smaller quartz siblings and larger chronograph variants within the diamond-set family.

Identifying Your Exact Reference

To confirm you have a factory diamond-set Royal Oak, begin with the reference number. A factory example may carry one of the numbers above, or another factory-set reference. The 15451ST can be told apart from its close neighbour the 15450ST by the presence of the diamond-set bezel; the 15450ST carries no factory diamonds. Similarly, the 77351 differs from the 77350 through its diamond bezel, while the 67651 and 26715 are confirmed by their own reference, size and complication.

Examine the bezel screws, which should sit evenly and show no disturbance to the surrounding metal that might suggest later stone setting. The diamonds themselves should exhibit uniform colour, clarity and precise alignment characteristic of Audemars Piguet’s own workshops. Aftermarket-set watches often display inconsistencies in stone spacing or alterations to the original bevels. The specialist checks the case, caseback, engravings and movement.

Dial finish can add context, but it does not by itself establish the generation. Dial surfaces differ by execution, so the pattern on the watch in hand should be recorded rather than assumed. These details, combined with the material suffix, help place a watch within the Royal Oak range, though some ambiguity can remain.

Distinguishing from Closely Related Models

The 15451ST sits beside the 15450ST in the 37mm steel lineage. While both share the same case architecture and Calibre 3120, only the 15451ST left the factory with diamonds set into the octagonal bezel. The 15450ST remains a non-diamond version, making bezel inspection the quickest differentiator. Similarly, the 77351 and 77350 share the 34mm steel case but diverge at the presence or absence of factory diamonds.

The 33mm 67651 quartz model offers a smaller footprint than the 37mm and 38mm references, with its diamond bezel complementing the integrated bracelet in a more delicate proportion. The 26715 chronograph at 38mm introduces pushers and a more complex dial layout, with diamond setting that sets it apart from the three-hand models. Each reference maintains the core Royal Oak DNA of octagonal form and exposed screws yet presents distinct personalities through size and function.

Bi-metal and full precious-metal versions exist with different suffixes such as SR, SA or OR, and they are considered separately from the steel ST examples. This page addresses only the standard Royal Oak; the Offshore and Concept lines follow entirely separate design paths and are not covered here.

Factors That Affect Assessment

Several elements influence how a diamond-set Royal Oak is assessed. Full set with box and papers provides helpful context though it is not required. An Audemars Piguet Extract from the Archives can further confirm provenance. Service history matters, particularly whether original parts were retained during any previous work. The overall condition of the case, bracelet and dial receives careful attention, as does the state of the diamonds themselves.

Polishing history is especially significant. Sharp bevels on the case edges and the precise contrast between brushed and polished surfaces define the Royal Oak’s character. Heavy polishing can soften these lines, reducing the crispness that collectors seek. The diamonds should remain securely set with no missing stones or visible damage to the settings. Completeness of the bracelet, including all links and the correct clasp, also contributes to the evaluation.

Demand for specific sizes, materials and dial configurations varies according to collector interest at any given time. The factory nature of the diamond setting remains the primary consideration, separating these watches from aftermarket examples that are viewed differently during assessment.

Condition and Care Considerations

The condition of a diamond-set Royal Oak is evaluated in its current state. Send the watch exactly as you have it. Small signs of wear on the bracelet or case are normal for a watch of this age and are considered during assessment. The dial should be examined for any marks, while the hands and markers warrant gentle inspection for originality.

Quartz references such as the 67651 require battery condition to be noted, though this forms only one part of the wider evaluation. For mechanical models, the movement’s smooth operation is observed upon arrival. The specialist checks the case, caseback, engravings and movement. Even without original boxes or papers, a well-preserved example can still be assessed fully once it reaches our premises.

Every detail, from the evenness of the diamond setting to the integrity of the integrated bracelet, contributes to a balanced understanding. Our process focuses on factual assessment rather than speculation, ensuring transparency at each stage.

Photography Guidance for the Valuation Form

Clear, well-lit photographs form the starting point for any valuation. Use natural daylight or a soft lamp to avoid harsh reflections on the diamonds or metal surfaces. Photograph the watch from directly above to capture the full dial and bezel, ensuring all diamonds on the bezel are clearly visible where applicable. Side angles reveal the case thickness and bevel sharpness.

Include close-ups of the reference and serial numbers, the caseback engravings, the clasp and any visible movement details through the caseback if present. Show the full bracelet laid flat, highlighting link conditions and the brushed and polished finishes. Separate images of the dial at an angle help illustrate overall surface condition.

For diamond-set bezels, dedicated macro shots of several stones and their settings assist in assessing uniformity. Photograph both the front and back of any accompanying papers or documentation. Upload these images directly into the valuation form on this page, where Audemars Piguet is already selected. High-resolution files allow our team to provide an informed preliminary view regardless of the time of day.

The Selling Process at EncoreLuxe

Once you have submitted photographs through the valuation form, our specialists review the details and issue an offer around the clock. There is no obligation to proceed. Should you accept, we arrange free insured collection from any UK address at a time that suits you. Upon arrival at our Heckmondwike premises in West Yorkshire the watch undergoes authentication the same day.

If the piece matches the description and passes our examination, payment follows by bank transfer that same day. The entire journey from collection to payment is handled with care and efficiency. Should the final assessment differ from the preliminary view or if you choose to decline the offer, we return the watch fully insured at no cost to you.

This transparent approach removes uncertainty. Every factory diamond-set Royal Oak is considered on its individual merits of reference, condition, completeness and originality. Our independence ensures decisions rest solely on expertise developed through handling these iconic timepieces.

Selling Checklist for Your Royal Oak

Prepare your diamond-set Royal Oak for sale by gathering any available items that add context, though none are mandatory to begin. These might include the original box, papers, service records or an Extract from the Archives. Take the clear photographs described earlier, focusing on reference numbers, bezel details, case condition and bracelet links. Complete the valuation form on this page with the brand already selected.

Decide whether you prefer an initial view based on images alone or wish to speak with our team on 01924 943540 for a more detailed conversation. Offers are available twenty-four hours a day, seven days a week. Once an offer is accepted, simply arrange collection and await confirmation of receipt at our premises.

Rest assured that your watch will be handled respectfully throughout. The authentication process at Heckmondwike confirms all aspects of the reference and condition. Payment by bank transfer occurs promptly on the same day once everything aligns. If for any reason you decide against proceeding after inspection, the return is arranged free of charge and fully insured.

Ready to Sell Your Diamond-Set Royal Oak

Submitting photographs through the valuation form positioned near the top of this page allows us to provide a considered view without delay. The process is designed for clarity and convenience from the moment you choose to explore selling. Our team focuses exclusively on genuine factory diamond-set examples, distinguishing them from aftermarket interpretations with care and precision.

Collection is arranged at your convenience, with full insurance provided from doorstep to our West Yorkshire premises. Authentication takes place on the day of arrival, followed by same-day bank transfer once the watch is approved. This streamlined method respects both the heritage of the Royal Oak and the practicalities of selling a significant timepiece.

Whether your reference is the 15451ST, 77351, 67651 or 26715, each carries its own story within the broader Royal Oak narrative begun by Gerald Genta in 1972. By choosing EncoreLuxe you engage with specialists who understand the nuances of these watches and communicate with quiet confidence. Begin the process today by uploading your images; we are ready whenever you are.

What owners often ask

How can I tell if my Royal Oak is factory diamond-set? Check the reference number against known factory diamond versions such as 15451ST or 77351. Examine the bezel for even, professional stone setting completed during manufacture rather than afterwards.

Do I need the original box and papers to sell? No. While a full set with box and papers or an Extract from the Archives is welcome, we can begin the process with clear photographs alone.

What size are the common diamond-set Royal Oaks? Factory versions include the 37mm 15451ST, 34mm 77351 and 33mm 67651 quartz with diamond bezels, plus the 38mm 26715 chronograph in diamond-set form.

How important is the condition of the bevels and brushed surfaces? Preserved sharp bevels and the original contrast between brushed and polished finishes are key factors. Previous polishing that softens these lines will be noted during assessment.

Will you collect the watch from my home? Yes. Once an offer is accepted we arrange free, fully insured collection from any UK address at a convenient time.

How quickly is payment made after you receive the watch? Authentication occurs the same day it arrives at our Heckmondwike premises. Payment follows by bank transfer that day once the watch passes inspection.

What happens if I change my mind after inspection? There is no obligation. If you decline the final offer we return the watch to you free of charge and fully insured.

Do you buy aftermarket diamond-set Royal Oaks? Aftermarket-set examples are assessed differently from factory versions. Submit clear photographs and we will advise accordingly.