What Jewellery Auction Platforms Actually Handle — And Why Generic Bidding Software Fails
Your lot goes live with a GIA certificate number, a clarity grade, and three static photos. A dealer in Antwerp opens your catalogue page, scans for the treatment disclosure — doesn't find it in the first six seconds — and closes the tab. That's how jewellery auctions break on generic platforms. The data payload for a certified stone isn't optional decoration: origin documentation for colored stones, treatment status aligned to CIBJO and AGTA standards, grading attributes from GIA, IGI, or GCAL, provenance chains for estate pieces, and 360-degree video under multiple light sources. Trade buyers filter on these attributes the way property investors filter by postcode and yield. Bury that data in a paragraph and your liquidity dies. Our Gems & Jewels desk has built auction platforms for estate houses, trade-only marketplaces, and hybrid retail operations across the UK, US, and Hong Kong. Same technical core, calibrated differently depending on who's actually bidding. Show your buyer the certificate number in the search interface or watch your sold-through rate drop 30%.
專案失敗的原因
Running jewellery auctions on a generic HiBid or Proxibid template is honestly one of the most common mistakes we see Those platforms weren't built to surface certificate data, so grading attributes end up buried somewhere in a description paragraph -- if they're mentioned at all. Trade bidders don't dig through prose to find a clarity grade. They walk. And the numbers back this up: sold-through rates on certified stones drop 20-30% on generic platforms compared to platforms where proper attribute search actually works.
No 360° video is a real problem Still photos can't communicate how a stone behaves under different lights, and for alexandrite, parti-sapphire, and many fancy-colour diamonds, a single static image actively misleads buyers. They either pass entirely or bid low to hedge against what they can't see. But give them a proper 360° gallery captured under multiple light sources? Average hammer price on colour-shift stones doubles. That's not a marginal improvement -- that's the difference between a successful sale and a room full of passed lots.
Certificate verification shouldn't be a PDF download Nobody wants to open a file, squint at a report number, then go manually look it up on the GIA website mid-auction. In jewellery auctions, trust is the transaction -- and a buyer who can't verify a certificate in the actual moment of bidding doesn't bid high. Or they don't bid at all. Verification needs to be one click, one page, done. That's the standard we build to.
Generic KYC with no sanctions screening is a problem the moment your international buyers start registering Jewellery lots cross regulatory thresholds faster than most categories -- a single fancy-colour diamond parcel can clear $500K easily. Inadequate KYC is a compliance risk in UK, EU, and US jurisdictions. But here's the real kicker: clunky verification also costs you legitimate buyers who abandon registration when it takes 20 minutes and three uploaded documents just to place a bid.
Trade and retail running on separate systems -- or worse, blended into one undifferentiated experience -- damages both audiences Trade wants dealer-only lots, wholesale pricing, and bulk tools. Retail wants a polished public catalogue with clear buyer's premiums. Blend them together and neither group gets what they need. Split them across systems and you're maintaining two codebases forever. Role-gated access on a single platform is the correct architecture. It's how we build it every time.
合規
Certificate Integration (6 Labs)
We integrate GIA, IGI, GCAL, SSEF, AGL, and Gübelin reports out of the box. Every grading attribute -- carat, colour, clarity, cut, fluorescence, origin, treatment -- is stored as structured data, not buried in a text field. QR-bound verification is attached to each lot. One-click lookup goes directly against the issuing lab's database. Buyers get the answer before doubt has a chance to form.
360° Video Lot Galleries
V360, Diamond360, and custom turntable video integrate as the primary lot asset -- not a secondary tab, not an afterthought. Multiple light-source captures for colour-shifting stones are standard. Everything lazy-loads with CDN fallback so the experience doesn't collapse when 800 bidders hit the same lot page simultaneously at the start of a timed auction.
Timed + Live + Simulcast Bidding
One platform, three modes. Timed for scheduled lots where bidders work at their own pace. Live webcast with an auctioneer calling the room. Simulcast for in-room plus online running concurrently -- identical to how Christie's and Phillips handle their flagship sales. Real-time bidding is built on Supabase Realtime, and we've proven it at 10,000+ concurrent bidders without the platform flinching.
KYC + AML + Sanctions Screening
Mandatory ID verification, address verification, AML screening, per-lot bidding limits, trade-tier credit references -- all of it. Thresholds configure per jurisdiction: UK, EU, US, Hong Kong, Switzerland. The compliance workflow isn't bolted on at the end. It's designed into registration from day one, because retrofitting KYC into a live auction platform is a genuinely miserable experience we've saved multiple clients from.
Trade and Retail Tier Gating
Dealers get dealer-only lots, trade pricing, bulk bidding tools, and memo arrangements. Retail buyers get the public catalogue and standard buyer's premium. Same platform underneath -- role-based access separates the experience entirely. Nobody sees what they shouldn't, and nobody misses what they need. It's a cleaner architecture than running parallel systems, and it's dramatically cheaper to maintain.
Provenance and Estate Chain Display
Estate lots carry prior-owner history, exhibition records, publication references, and condition reports. All of it's structured as ProvenanceRecord schema -- which means Google indexes it properly and AI search surfaces it accurately. So a lot that appeared in a 1987 Sotheby's Geneva catalogue doesn't just get a footnote in a description. It becomes a discoverable, linkable reference page that builds authority for your house over time.
我們構建的內容
Assign the Gems & Jewels desk — a team that works exclusively with jewellery, gemstone, and auction clients, never pivoting to furniture marketplaces between projects
Use a pattern library from prior auction builds — solved problems, tested components, real bidder behavior data — so you're not paying us to figure out how jewellery auctions work
Configure buyer's premium tiers, seller commission structures, sliding-scale overrides, and per-lot exceptions without touching code
Stop spending Tuesday mornings manually matching spreadsheets to bank transfers because invoices generate automatically on hammer and payments reconcile against each lot
Display USD, EUR, GBP, CHF, and HKD with live FX rates so bidders see their home currency while your house reports in reference currency
Remove the friction of mental currency arithmetic at the moment a Zurich buyer needs to decide whether to go one more increment on a London sale
Enable pre-auction maximum bids, auto-increments per lot, and tie-break handling so absentee buyers are treated as first-class participants
Build trust with absentee bidders by showing them full transparency on why they won or lost: what the next bid was, where their maximum sat, what the tie-break outcome was
Generate catalogue PDFs with automated lot numbering, condition report compilation, and subscriber distribution — replacing the InDesign-and-email workflow
Replace the three-day InDesign workflow that still burns two people's time with a 20-minute automated process that matches your house's brand exactly
Publish permanent post-sale results pages for every sold lot, creating linkable references that compound SEO authority over time
Turn the catalogue you ran two years ago into an SEO asset that's still generating organic traffic and building authority today
我們的流程
01
Auction House Operations Audit
We start by reviewing your catalogue preparation workflow, bidding registration process, payment reconciliation, and compliance requirements for every jurisdiction you operate in. No assumptions. We've seen enough variation between a London estate house and a Hong Kong trade platform to know that the details matter before a single line of code gets written.
Week 1-2
02
Platform Architecture Design
Then we define the data model for your certified lots, select the bidding mode configuration that fits your sale calendar, map the certificate verification integration, choose the KYC provider, and design the payment flow. Blueprint stage. Everything documented, nothing ambiguous.
Week 2-4
03
Build: Catalogue, Bidding Engine, KYC
Next.js frontend, Supabase Realtime for live bidding, certificate integration, KYC flow, Stripe plus bank-transfer payment routes. Continuous Vercel Preview URLs throughout -- so your team sees exactly what's being built at every stage, not a reveal at the end of a six-week sprint.
Week 4-12
04
Catalogue Migration and Dry-Run Auction
We migrate past sales to establish provenance history in the new system. Then a full dry-run auction with real bidders on test lots -- not internal QA, actual people bidding. Live-bidding UX gets tuned based on what they actually do, not what we assumed they'd do in a planning document.
Week 12-14
05
First Live Sale and Optimisation
Go-live is monitored, not just deployed. First auction runs with us watching the real-time metrics. Post-sale we review the analytics together -- bid patterns, drop-off points, conversion on timed versus live lots. Ongoing retainer covers sale-cycle support, catalogue ingestion, and the small optimisations that compound into significantly better performance over 12 months.
Week 14+
Next.js 15Supabase RealtimeStripeV360Schema.org ProductKYC integrationTwilio
常見問題
珠寶拍賣平台與普通拍賣平台有何區別？
三項要素區隔珠寶拍賣平台與普通平台：寶石披露、證書整合和溯源展示。普通平台將每件拍品視為標題、描述和照片。但珠寶拍品需要結構化欄位記錄克拉重、顏色、淨度、切工、產地、處理方式、鑑定所和證書編號——因為買家就是根據這些資料篩選和競投。沒有這些欄位，您會失去行業買家流向能正確呈現數據的平台。這不是偏好，而是流動性流向的地方。
您如何處理 GIA、IGI 及其他鑑定證書？
每件拍品直接連結至發證機構的報告，並提供二維碼綁定驗證。鑑定屬性作為結構化資料儲存，在篩選器和拍品詳情頁面呈現，並可一鍵對照該機構的資料庫驗證。我們開箱即用地支援 GIA、IGI、GCAL、SSEF、AGL 和 Gübelin。任何自訂鑑定意見均可作為 PDF 附件上傳，並進行結構化屬性提取——因此即使未獲認證的寶石也不會被視為次級拍品。
您是否同時支援定時、現場直播和同步播放競投？
支援。一個平台、三種模式——定時拍賣用於按計劃進行的庫存流轉、現場直播用於帶拍賣官的簽名銷售，以及同步播放將現場競投與線上競投實時結合。該同步播放模式與佳士得和富藝斯如何運營其旗艦銷售完全相同。它建立在 Supabase Realtime 之上，規模化性能可靠。
您如何處理高價值珠寶買家驗證和 KYC/AML？
登記需強制性 KYC：文件驗證（護照或身份證）、地址驗證、對制裁名單的 AML 篩檢和內建於合規工作流程的單件拍品競投限額。行業買家經歷兩層流程——業務驗證加信用參考。所有程序均為在英國、歐盟、美國、香港和瑞士超過法規閾值運營的珠寶拍賣所必需。我們按司法管轄區配置閾值，而非一刀切方案。
該平台能否同時處理行業和零售買家？
可以，並設閘門控制——且閘門確實有效。零售買家看到公開目錄和標準買家費用。行業買家看到行業專用拍品、行業定價、批量競投工具和備忘錄安排。底層同一平台，基於角色的存取控制規定每層看到的內容。無需維護單獨系統，無需兼顧型體驗而讓任何受眾都不滿意。
Fixed-Fee Quotes Within 48 Hours
Single-house platform: £15-40K. Multi-house marketplace: £40-120K. Enterprise signature-sale suite: £120K+.
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