Mono is a storefront theme for jewellers, bridal boutiques, pearl and silver specialists and watch retailers, single brand or Multi-Vendor marketplaces with makers.
Four styles: Ivory (ivory, black and gold hairlines), Onyx (a black velvet vitrine with champagne gold), Bordeaux (blush, bordeaux and rose gold) and Sapphire (cool white, sapphire and a ruled platinum grid).
Four styles, one theme
Each style changes the ground, bands, type weight and card treatment, not only the accent colour. Open any of them in the live demo.
Mono answers what jewellery buyers ask before they pay a high price:
Shop by metal, stone and occasion, with a metal bar on every list
Hallmark stamps and metal swatches on every card
Hover zoom on product images
Ring size guide next to the size buttons
Engraving preview for text options
Certified, conflict-free and warranty badges
Gift edit with price presets
Complete the set adds matching pieces at once
Full page cache safe, text contrast of at least 4.5:1
How it works
Install the package in Add-ons: it adds the Mono theme without touching your storefront. Activate Mono in Website, Themes and pick a style. The next admin page adds the demo store, so every section is filled at once.
Metals, stones, occasions, purity, maker and collection are product features; ring sizes and metals are normal product options. The zoom, the size guide and the engraving preview run in the shopper's browser.
Features
Shop by metal, stone or occasion with polished metal and gem discs
Metal bar on category and search pages
Shop by metal column in every mega menu panel
Hallmark stamps from the purity or metal
Metal swatches on product cards
Hover zoom on the main product image
Ring size guide with a size chart
Engraving preview with a character counter
Certified, conflict-free, hallmarked, warranty and water resistant badges
Gift edit band with price presets
Complete the set bundles from one collection
Centred logo with a hairline menu band
Hero slider with a hallmark stamp and a price sticker
Tabbed best sellers, new in and engagement with countdowns
Framed vitrine product cards
Multi-Vendor maker cards and vendor page header
Phone layout with bottom bar, filter sheet and sticky add to cart
Installs with full demo content
Four styles: Ivory, Onyx, Bordeaux and Sapphire
Child of Responsive: add-on hooks keep working
CS-Cart and Multi-Vendor 4.17.2 to 4.21.x
What you get
Package
kv_theme_mono-1.0.0.zip: the theme and its wrapper add-on, installed through Add-ons → Manage add-ons. Activate it in Website → Themes and pick a style.
Editions
CS-Cart, CS-Cart Ultimate, Multi-Vendor and Multi-Vendor Ultimate 4.17.2 – 4.21.x, one package. A child theme of Responsive: no core files are changed and add-on templates keep working.
Updates & support
12 months included. Updates keep the theme files you changed; your layouts are never replaced.
License
1 production installation; subdomains, staging, dev and localhost are free. The theme checks its license for your domain once a day from the admin panel. Without a valid license the storefront shows the standard Responsive look instead of the Mono design; cart, checkout and orders keep working. How licensing works
Compatibility
We list only the builds we install and test on. “Tested” means the full test plan was run on that build; “Supported” means the build is inside the supported range and uses the same hooks.
CS-Cart version and edition compatibility
CS-Cart version
CS-Cart
CS-Cart Ultimate
Multi-Vendor
Multi-Vendor Ultimate
4.22 and later
Testing next
Testing next
Testing next
Testing next
4.21.2
Supported
Supported
Tested
Supported
4.20.x
Supported
Supported
Supported
Supported
4.19.x
Supported
Supported
Supported
Supported
4.18.x
Supported
Supported
Supported
Supported
4.17.2
Tested
Supported
Tested
Supported
Before 4.17.2
Not supported
Not supported
Not supported
Not supported
Last tested build: Multi-Vendor 4.21.2, Oct 23, 2026Tested on: CS-Cart 4.17.2, Multi-Vendor 4.17.2, Multi-Vendor 4.21.2
Requirements
Platform
CS-Cart, CS-Cart Ultimate, Multi-Vendor or Multi-Vendor Ultimate 4.17.2 – 4.21.x
Requirement
For the hero slider and the promo banners, the core Banners add-on; for The journal, Blog; for client
Requirement
Administrator access to the admin panel
Core changes
None. Hooks and template overrides only
1.0.0
Oct 23, 2026
Latest
Added 15
Mono theme for CS-Cart, CS-Cart Ultimate, Multi-Vendor and Multi-Vendor Ultimate 4.17.2 - 4.21.x: a classic,
Shop by metal, stone or occasion (polished metal discs, faceted gem discs and occasion tiles in CSS-only tabs), a metal
Hallmark stamps (750, 585, 375, 925, PT950) from the Purity or Metal feature and metal swatches from the Metal feature
Zoom-first product gallery: hover lens on the main image (detailed image), "Hover to zoom" hint, swipe gallery on
Ring size guide: a Size guide link next to the ring size buttons opens a chart (US / CA, UK / AU, EU, diameter,
Engraving: live preview and character counter for a text option named Engraving; an engraving line for products with
Certified, Conflict-free, Hallmarked, Lifetime warranty, Recycled gold and Water resistant badges from checkbox
The gift edit: a homepage band with price presets (product searches by price range) and gift-ready promises.
Complete the set: up to two pieces of the same collection from other categories, added to the cart in one go.
Header: black top bar with promises and quick links, underlined search, centred logo, labelled account, wish list and
Homepage: hero slider of banners (eyebrow, headline, text, two buttons, a hallmark stamp from the banner HUD line, a
Multi-Vendor: maker cards on the homepage and a vendor page header with logo, rating, product count and city.
Settings: hover zoom, ring size guide, hallmark stamps and trust badges (plus the Kavio theme kit settings).
Four styles: Ivory, Onyx (dark), Bordeaux and Sapphire. Marcellus and Red Hat Text fonts (SIL Open Font License,
Complete demo content (Avenell Fine Jewellery: eight departments with 21 subcategories, 54 pieces with metal, purity,
Tested on CS-Cart 4.17.2, Multi-Vendor 4.17.2, Multi-Vendor 4.21.2. First release.
Do I need special product fields for metals, stones and hallmarks?
No. Mono reads metals, stones, occasions, purity, maker, carat weight and collection from standard product features and ring sizes from a normal product option. You edit them on the product page or in the product import. See Usage.
A card shows no hallmark stamp.
Fill the Purity feature (for example 18k (750)) or use a metal name with a karat or "sterling". Steel and other non-precious metals have no stamp on purpose. Check that Hallmark stamps and trust badges is on.
The Size guide link is missing on a ring.
The ring needs a product option named Ring size (or Size with the product in a ring category), and the setting Ring size guide must be on. Very old browsers without dialog support do not show the link.
Can shoppers enter an engraving text?
Yes: add a product option of the type Text named Engraving. Mono previews the text on a gold band and counts the characters. The text travels with the order like any option value.
My product photos have a white background. Do they work?
Yes. Product images stand in a softly lit well; photos with a white background show as a framed picture. Cut-out images (transparent background) look best, especially for the hover zoom.
The zoom does not appear.
It works on computers with a mouse and needs a detailed image larger than the shown one (the image you upload). Phones and tablets use the swipe gallery instead. Check that Hover zoom on product images is on. If the bundled Image zoom add-on is active, its own zoom window appears next to the image instead.
Does Mono work with the full page cache of CS-Cart 4.21?
Yes. Theme output holds only catalogue data; the zoom, the size guide, the engraving preview and the set totals run in the shopper's browser, and bag and wish list counters come from the standard blocks.
Complete the set does not appear.
The piece needs a Collection feature value shared by pieces in other categories. Stores running the Kavio Frequently Bought Together add-on see that add-on's block instead.
What happens when the licence expires?
The storefront shows the standard Responsive look; your store keeps selling. See Configuration.
A Swiss-editorial storefront theme with a shop-window homepage, oversized type and four bold styles, built on Responsive so every add-on keeps working.
A department-store theme for large catalogues: colour-coded departments, a department list beside the hero, tabbed product blocks and a sticky buy box.
