The ring rule was an advertisement

Three things, and the people who bought each are honest about the trade. Moissanite first, because it runs through many discussions: a lab-made stone that is very hard — just under diamond — brilliant, colourless, and costs a small fraction of a diamond of the same size, so that the same budget buys a noticeably bigger stone. Some people say the sparkle is different rather than lesser: moissanite throws more rainbow-coloured flashes where diamond throws white ones, and the people who prefer it say so, while one person finds the double refraction gives a faint haziness in some cuts and calls diamond crisper. Cautions here, each from one person: cut quality matters more than with diamond, so cheap stones can look chalky or grey; and some local jewellers won't work with moissanite or will mark it up heavily, out of unfamiliarity or fear of being accused of swapping stones, so one person bought the loose stone and had it set separately. Some discussions settle a worry people carry into this: even jewellers cannot reliably tell moissanite from diamond by eye and reach for a tester, and one person adds that an untrained eye stands no chance — but a jeweller may well find out during routine work, which is one reason people insist on honesty with your partner, below. Second, lab-grown diamond, across some discussions and more individual people: chemically and physically the same crystal as a mined diamond, graded on the same scales, indistinguishable without laboratory equipment that reads trace elements, and much cheaper — how much cheaper depends on when you read the account, because prices have moved over the years people span, and one person notes lab-grown prices have lately risen as mining companies entered that market. This is the choice for people who want the actual material and its meaning without the mine. Understand the vocabulary: moissanite and cubic zirconia are simulants, different materials that resemble diamond; lab-grown is diamond. Third, pre-owned, across some discussions: estate sales, pawn shops and vintage dealers offer settings and stones at a steep discount, often better made than new, with a story attached; check for worn prongs and a loose stone, and budget for re-tipping, which is ordinary maintenance for any ring worn daily. Beyond those three, some discussions and some people went elsewhere entirely — sapphire, morganite, lab-grown emerald, a plain band, a stone you dug yourself at a pay-to-dig mine and had cut for a small fee — and report partners who loved them. One honest boundary from one person: very cheap rings may not survive daily wear, so there's a sensible middle between overpaying for a diamond and buying something that breaks quickly.

It is not, and people say so plainly. Across some discussions: a diamond ring loses a large share of its price the moment it leaves the shop, the resale market for ordinary white stones is thin because buyers want exact colour and clarity grades, and some people add the bitter version — rings sold after a relationship ends fetch a fraction of what was paid. An estate appraisal, one person warns, is a figure for tax and the division of an estate, not what a buyer will pay you; the jeweller's buy-back offer will be far below it. This is also where people take apart the rule you've heard. Across some discussions and a long run of individual people, the idea that a ring should cost a set number of months' salary, and that a mined diamond is what love looks like, is traced to one diamond company's advertising, from the 1930s onward, and to a supply held tight to keep prices up; before that, people note, diamond engagement rings were largely a purchase of the wealthy. People disagree, in a small way, about the rule's deeper roots — one says the ring once served as a woman's financial security if the engagement was broken off — and both can be true. Two dissents deserve their weight. Some people point out that jewellery has served, historically and in places without banks, as a store of value a woman could carry; gold retains value by weight, though the craftsmanship in a finished ring doesn't. Others say a diamond can still be collateral, an heirloom or a trade-in even if it's a poor investment, and that nobody actually buys an engagement ring to profit from it — which is true, and which is exactly why the price should be set by what you can afford and what your partner wants, not by a rule. The one imperative here, from more than one and never contradicted: don't finance the ring. A smaller stone, or a different stone, bought with money you have, beats a bigger one on a payment plan — the debt outlasts the surprise. One person redirected the difference to travel, and some people make the wider case that the money is better saved for a house or a wedding.

Ask, and people are firm about it across some discussions and an argument: don't start a marriage on a lie about what the stone is. If you're buying moissanite or lab-grown, your partner should know — a jeweller will find out during a resizing anyway — and people who had the conversation report partners who reacted well; one person's partner chose an alternative stone and the couple put the difference toward travel. Some partners, people add plainly, want a mined diamond and have said so, and one side of the argument says buy what makes them happy; the other says a preference shouldn't be negotiated in secret. Both agree on the asking. On ethics, the conversations carry a real disagreement and this page carries it as one. One camp avoids mined diamonds altogether over the history of conflict financing, child labour and forced labour in some producing regions, and chooses moissanite, lab-grown or another stone partly for that reason; some people say this is their main motive. A second camp buys lab-grown as the fix — no mine, same stone — and a third says any diamond, lab-grown included, keeps an inflated fad alive and other stones look better and are more ethical. Pre-owned rings sit inside this argument too: one side says an old stone funds no current conflict, the other that the working conditions of its own era were no better. The one warning people carry is practical: don't rely on a conflict-free certificate alone for a mined stone, because the industry's certification has known gaps; if origin matters to you, look for mine-to-market tracking or a named country of origin. This page doesn't rank these positions. It notes that cultures differ — one person's does not use engagement rings at all — and that a plain band is a complete answer where that's true. Two practical notes for the surprise: don't search for rings on a shared computer or connection, because the advertising that follows will reveal the plan; and if you don't know the size, people borrow a ring the partner already wears, or buy a cheap placeholder to propose with and choose the real ring together afterwards, which one person recommends. Remedies vary between couples more than any list admits: the couple who wanted a big moissanite and the couple who would rather put the money toward a house are both here, and the advice to talk first serves both.