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Choosing an engagement ring is one of the most personal purchases anyone makes, and one of the least familiar. Most people buy exactly one in a lifetime, into a market full of jargon and marketing. As auctioneers who value and sell fine rings every month, we see both sides of that market, and this guide sets out what actually matters: style, metal, stone, the 4Cs, the setting, and why the auction room deserves a serious look before the high street.
The best guide to the right ring is the jewellery your partner already wears. Notice the metal colour, whether their taste runs to bold or delicate, modern or antique, and whether they favour a single stone or something more decorative. Friends and family can be discreetly recruited, and there is no shame in choosing together, plenty of couples now do.
Ignore any rule about months of salary; the right budget is the one that suits your circumstances. What matters is getting the most ring for it, and this is where buying at auction earns its place: rings sell at auction for a fraction of their retail equivalent, because you are not paying a shop's margin, and a hammer price is set by the market rather than a price tag.
Platinum is the hardest wearing and the classic choice for diamond rings. White gold gives a similar look at a lower price, though its rhodium finish needs occasional renewal. Yellow gold is warm, traditional and back in fashion; rose gold flatters many skin tones and suits vintage designs. Match the metal to the jewellery your partner wears daily so the ring sits naturally alongside it.
Diamonds remain the classic, but coloured stones make superb engagement rings and often better value. Sapphires lead the field, hard enough for daily wear and available in every shade from cornflower to pink, with rubies and emeralds close behind for those who want colour with pedigree. In older rings, coloured stones frequently come with the bonus of period settings that no modern workshop reproduces convincingly.
Cut, colour, clarity and carat weight together determine a diamond's quality and price, and cut is the one that does most for how a stone actually looks on the hand. Worth knowing: the old cuts found in antique rings, old European and old mine cuts and rose cuts, were shaped by hand for candlelight and have a soft, lively character modern brilliant cuts do not. Our guide to the evolution of the diamond cut explains the differences, and why collectors increasingly seek the old cuts out.
Lab-grown diamonds now fill high street windows. They are chemically identical to natural stones, and their prices have fallen steeply as production has scaled, which is worth bearing in mind if resale value matters to you. A natural stone, and above all an antique one, is a finite thing with a history, and that is what the auction market values. Every diamond in a period ring is, by definition, natural.
The setting frames the stone and sets the character of the ring. A claw setting shows the most stone and light; a bezel protects it best; a halo makes a centre stone look larger; pavé shoulders add sparkle without cost. Antique settings, Victorian, Edwardian and Art Deco, offer craftsmanship, from hand-pierced platinum work to carved gallery details, that is simply not made at ordinary prices today.
An auction ring is unique, no one else will have it, and it comes with the character and craftsmanship of its period at a price the high street cannot approach. Our jewellery department catalogues every ring honestly, with condition noted and stones assessed by specialists, and we are always happy to talk a nervous first-time bidder through how the sale works. Sign up for our catalogue alerts to see rings coming up in forthcoming sales. And if you have inherited a ring, or are parting with one, our specialists offer a free valuation with no obligation.
