HNimpex
A natural-diamond and fine-jewellery catalogue where every stone carries a live 360° video, shipped insured worldwide.
- Role
- Independent developer
- Year
- 2026
- Context
- WebWriterStudio · Freelance
- Branch
- Independent
- Stack
- Next.js
The problem
A diamond is bought on what it looks like, and a still photo hides most of that. The stock also lives with suppliers: thousands of stones across supplier websites and Excel sheets, with prices that move, so a catalogue kept by hand is out of date the day it goes live.
What I built
Next.js storefront on Payload CMS 3 with SQLite: diamond and jewellery catalogues with category trees, shape, colour and origin filters, header search with suggestions, and an embedded 360° viewer that accepts Gem360, V360 and other supplier viewer links. Supplier importers pull stock from a WooCommerce Store API and a Shopify products feed, download photos into the media library and retry around rate limits, and an Excel/CSV import maps a stock file’s columns in the browser and sends rows in batches. A bulk price-change tool applies a percentage over the original price so it can always be reset, and survives supplier re-imports. Enquiry forms send HTML emails over SMTP, one-time review links let customers leave reviews for the home page, and the admin carries a Google Analytics 4 report, tracking and site-verification settings, a generated sitemap and product structured data.
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