Carat

Carat is the odd one out in this category, and it's worth saying so up front. Everyone else on this list is a family-run neighbourhood shop or a one-person atelier with years on the same street; Carat is a 30-store national chain whose Zurich branch happens to sit inside Sihlcity, the shopping centre in Wiedikon at Kalanderplatz 1, which puts it inside this neighbourhood tier geographically without the personal, shop-owner-knows-your-name feel the rest of the category is built around. There's no cobblestone backdrop and no boutique window display here, just a mall unit you reach the same way you'd reach any other shop there. For someone who lives in Wiedikon, Altstetten, Wollishofen or any other neighbourhood that isn't a five-minute walk from the station, that's arguably the more useful location, not a lesser one. There's a second Zurich-area branch too, inside the Glatt shopping centre in Wallisellen, on Neue Winterthurerstrasse, so buyers on the northern side of the city or coming from the airport corridor have an equally easy option.

The other thing worth naming plainly: Carat is a 30-store national chain, not an independent family workshop with one address and a founder's name over the door. It describes itself as an independent, entirely Swiss family business, but the corporate story is a genuine merger and acquisition history rather than five generations behind one counter. The brand traces back to 1998, when Migros went looking for a jewellery supplier and partnered with a wholesaler called IGS, run by Christine Stucki. That franchise arrangement with Migros ran for 17 years. In 2015 Stucki took over the 20 stores of a competing chain, Oro Vivo Suisse, and in 2017 Migros handed her the Carat boutiques in Geneva, Vaud and Valais, which is the point at which Carat became fully independent of Migros. The two networks merged under the Carat name in 2018, and Stucki still runs the company today alongside General Manager Jean-Marie Flichy. None of that is a hidden fact: it's laid out on Carat's own about page, and a Swiss jobs listing for the Sihlcity branch independently describes the parent, Maison Carat SA, running the same network of 30 stores.

What you get

The Zurich engagement ring range runs to 123 products online at last count, filterable by stone weight from 0.10 carat up to 1.00 carat and beyond, in 18 carat or 9 carat gold, in yellow, white, rose or two-tone finishes, and set with either diamonds or cubic zirconia. Prices are published next to every piece rather than held back for an in-store conversation, which is not something every house in this category does. A 0.10 carat diamond ring in 18 carat gold starts around CHF 1'290, a 0.50 carat piece starts around CHF 1'690, and a 1.00 carat stone in the same MODERN Diamonds line starts around CHF 2'290, all before any resizing or engraving. The house diamond lines are called CLASSIC Diamonds and MODERN Diamonds, sold under the in-house brand Diamonds by Carat alongside a second house line called Pure. Styles on offer, per Carat's own buying guide, include solitaire settings, halo designs with a ring of smaller stones, three-stone trilogy rings and pave bands set with multiple small stones, so the range isn't limited to a single house silhouette.

Every ring can be personalised with an engraving, and if the size turns out to be wrong after a proposal, Carat states outright that it offers a free resizing service rather than charging for the fix. That's a genuinely useful line to have in writing before you buy, since a wrong guess at ring size is one of the more common ways an otherwise perfect proposal goes slightly wrong.

How it's organised, and where the Zurich branches sit

The Sihlcity branch is open Monday to Saturday, 9am to 8pm, closed Sundays, reachable on +41 44 430 17 01 or by email at sihlcity@carat.ch. It carries Carat's own jewellery alongside watch brands including Cluse, Frank, Ice Watch, Le Temps, Maserati and Tommy Hilfiger, and offers in-branch services beyond selling rings: repairs, battery changes, strap changes, engraving and the resizing already mentioned. The Glattzentrum branch in Wallisellen keeps the same Monday to Saturday, 9am to 8pm hours and a near-identical service list, plus ear and nose piercing, which Sihlcity doesn't list. Neither branch requires an appointment for a general look at rings; Carat's site invites walk-ins during opening hours and points to a phone hotline for anything more specific. There is a dedicated Carat Wedding boutique that does take bookings for engagement and wedding ring consultations, but it's in Bern, not Zurich, so a Zurich-based buyer is working with the standard branch format rather than a dedicated appointment room.

For a newcomer to Zurich specifically

Here's the honest gap for this tenant's reader. Carat's website runs in German and French only. There is no English version anywhere on carat.ch, and every attempt to reach an /en/ path on the site returns a dead page. That's a real difference from some of the Bahnhofstrasse houses across town that run English pages as standard, and it means an expat with limited German or French should plan to phone ahead, or bring a German-speaking friend to a first visit, rather than assume the website will walk them through the range in English. Nothing on the site says whether branch staff speak English in person, so that's worth confirming with a quick call before making a special trip.

The other point that matters if you might not stay in Switzerland long-term: Carat only delivers within Switzerland and the Principality of Liechtenstein. There's no published option to have a piece shipped abroad, so a ring bought here, or an aftercare package sent to you later, needs a Swiss or Liechtenstein address to land at. For online orders generally, delivery is free above a CHF 50 order value, otherwise there's a flat CHF 5 shipping charge, orders placed by 3pm ship the same day, in-stock items arrive within 1 to 2 business days, and anything backordered takes about a week. Carat doesn't publish a separate lead time for a made-to-order or resized piece collected in branch, so treat that week-long figure as a webshop delivery estimate rather than a promise about a bespoke commission, and ask the branch directly if timing matters to your proposal date.

On paperwork: Carat's products carry a 2-year guarantee against material and workmanship defects, which lapses if the piece was misused or lost, and which needs both a proof of purchase and the guarantee certificate to claim; third-party brands additionally require their own original brand certificate. Returns are a little muddled on Carat's own site: the general terms page states a 14-day return window, while the engagement ring page's own FAQ describes a 30-day window for full refunds or exchanges, with special conditions for made-to-order or engraved rings. Both figures come directly from carat.ch, so this isn't a guess on our part, it's a genuine inconsistency worth clearing up with staff at the till rather than assuming either number applies.

How it compares

Set against the family-run shops and one-person ateliers that fill most of this category, Carat isn't trying to win on a name over the door or decades on the same street. Its own materials describe goldsmiths who take a personalisation request from sketch to finished piece, but that reads as a partner workshop process behind 30 stores, not a named atelier you can visit. What Carat does offer that a single-address neighbourhood jeweller generally can't is published pricing you can compare from your phone before you ever walk in, a low entry price point for a first diamond ring, and two Zurich-area locations rather than a single workshop you'd have to plan a special trip around.

Who it suits

This is a good stop for someone who wants to know roughly what a ring costs before committing to a conversation, who lives closer to Sihlcity or Wallisellen than to the city centre, and who is comfortable managing the process in German or French, or happy to lean on a bilingual friend for the trickier questions. It's a weaker fit for a buyer set on a single named atelier and a story attached to the address, or for anyone who needs delivery outside Switzerland and Liechtenstein.

The verdict

Carat earns its place in this list for the reasons this category exists for a newcomer at all: real prices published in francs, a walk-in branch that doesn't demand German fluency in writing before you even browse, free resizing if the size guess is wrong, and two convenient Zurich-area locations rather than one destination address. The lack of an English website and the mismatched returns window are fair caveats, not reasons to skip it, and both are easy enough to sort out with a phone call before you commit to a ring.