Kobelli

Kobelli is a Los Angeles jeweller that has been designing and making its own rings since 1980, and it is one of the more useful stops on this list for a newcomer who wants to compare a wide spread of moissanite and diamond settings from one browser tab. Land on its moissanite engagement ring collection from a Swiss connection and the country selector in the header already reads Switzerland, with CHF as the display currency, a small but telling sign that the site is built to sell here rather than merely tolerate the traffic. That same Switzerland and CHF selector shows up in the header and footer of the shipping policy and the FAQ page too, so it is not a one-off on the product pages. Pricing on the collection itself runs from an entry point of CHF 574 for an 8mm halo setting up to CHF 3,284 for a 6.7 carat three-stone piece graded DEF/VS, both shown against a higher struck-through comparison price, which gives a reader a genuine sense of the spread before they click into anything.

What you get

The moissanite collection alone carries 271 moissanite pieces, alongside 19 lab-grown diamond settings and 3 natural-diamond pieces filed under the same page, so a visitor comparing budget tiers side by side does not need to hop between separate sections of the site to do it. That breadth across stone types, at multiple price points rather than one band repeated in different photos, is the whole reason this destination earns its spot in a comparison list rather than a single flagship style. A ring like the 3.15 carat Radiant Madison, priced at CHF 1,124 against a CHF 2,213 comparison, sits comfortably in the middle of that range, while the 6.7 carat Shannon at CHF 3,284 shows what the top of the moissanite catalogue looks like. Kobelli's own copy describes moissanite's durability as closely comparable to a natural diamond's, which is a fair and commonly made claim rather than an invented one, and it is the kind of plain framing a first-time moissanite buyer actually needs rather than marketing gloss.

Kobelli was established in 1980 and describes itself, in its own words, as having spent four and a half decades in the trade, a period it says covers time manufacturing for major US retailers under the name Baguette World before it moved into direct-to-consumer selling at the start of the 2000s. Design, the workshop artisans, manufacturing and order fulfilment are all described as running under the same Los Angeles roof, which is a genuinely different model from a marketplace that drop-ships from a third party, and it is worth knowing before you order because it is also the detail that shapes the warranty terms below.

What stands out

The most useful thing on the site for a Zurich-based buyer is how plainly it states what happens to customs charges. Kobelli's shipping policy says that international shipping is charged at checkout and is exclusive of customs taxes, fees and duties, which are due on delivery, and separately that Kobelli does not cover those costs itself. It also explains, in more detail than most competitors bother with, that duty is set by the destination country's customs authority based on the country of manufacture, the harmonised tariff classification of the item, and the VAT rate the destination country applies, which is a genuinely useful explanation of why a Swiss import bill can vary piece to piece rather than following one flat rule. What the site does not publish is a specific number for that Swiss VAT rate or a fixed customs handling fee, or an estimated international transit time beyond its domestic processing window, so a buyer should treat the checkout price as the starting figure rather than the final one and budget for a separate bill from the courier.

Contact is straightforward: a free consultation booked through a Calendly link, plus a phone line and an email address for anyone who would rather talk it through first. The page does not say whether that consultation happens by video or by phone, so it is worth asking directly rather than assuming either.

How it's organised

Past the moissanite collection, the site's navigation splits into broader groupings, engagement rings and wedding bands under one heading, fashion rings and other jewellery under another, plus named collections such as Kobelli Grown for its branded lab-grown diamond line. Within the moissanite page itself, filters let a shopper narrow by stone type, so somebody set on a natural diamond rather than moissanite is three products away rather than starting a new search. It is a catalogue built for browsing rather than for one hand-picked recommendation, which suits a comparison shopper better than someone who wants a single expert opinion pushed at them.

How it compares

Against a Zurich shop you can walk into, the trade-off is the one that applies to every seller in this category: you choose from photos and specifications, not from a ring on your own hand, and a custom or made-to-order piece is generally carved out of a standard return policy, Kobelli's included, where custom-made orders are stated as non-refundable. Against a Swiss-registered seller whose CHF price already includes Swiss VAT with nothing due at the door, Kobelli sits on the other side of that line: it ships from the US, and the VAT plus duty that a Swiss-registered seller would have already folded in arrives separately, from customs, after the parcel lands. That is not a mark against Kobelli specifically, since the policy states it clearly rather than burying it, but it does mean the number on screen in CHF is not the final number you pay.

The return terms are also worth reading against the calendar before you buy: regular items get 30 days from the ship date to come back, loose diamonds and Last Chance clearance pieces get 7 days, and certified Kobelli Grown diamonds get 14 days, three different windows depending on what you bought rather than one blanket rule. International returns carry a 10% restocking fee, separate from the 10% fee applied to personalised or engraved pieces and the 10% fee applied once a customer's returns pass a third item. None of those figures are large by the standards of fine jewellery, but they are worth knowing before an order rather than after one.

Who it suits

Kobelli suits a reader who wants to compare moissanite against lab-grown and natural diamond settings without leaving one page, and who is comfortable ordering from the US on the understanding that Swiss duty and VAT will show up separately when the ring arrives. It suits someone weighing budget against carat weight, since the collection genuinely spans an entry-level halo ring through a multi-thousand-franc three-stone piece rather than clustering around one price. It suits it less if a firm delivery date matters more than a good estimate, since no international transit time is published, or if the plan is to have a local Zurich jeweller do the resizing later: Kobelli's 12-month warranty on the stone and setting is voided by any sizing, polishing, cleaning or repair carried out by a jeweller outside its own Los Angeles workshop, so a buyer who moves on from Zurich, or who simply prefers a local goldsmith for aftercare, should budget for shipping the ring back to Los Angeles rather than dropping into a shop on Bahnhofstrasse.

The verdict

Kobelli earns its place here on breadth and on candour about the one thing that actually matters for a cross-border buyer, what happens to duty and VAT after checkout. A catalogue of 271 moissanite settings plus lab-grown and natural diamond options, priced from CHF 574 up to CHF 3,284 for its 6.7 carat Shannon piece and higher still elsewhere in the collection, gives a Zurich-based reader a genuine range to compare rather than one house style. The 12-month warranty and the requirement to route any aftercare back through Kobelli's own Los Angeles workshop are worth knowing going in, but they are disclosed plainly rather than buried, and a free 90 day resizing window plus a yearly maintenance service, shipping paid both ways by the customer, still gives an owner a real path to keep a ring in shape after the sale. For someone comparing options from a laptop before or after a move to Zurich, this is a solid, transparent stop on the list.