Why Your Skin Tone Is the Starting Point

Fine jewellery should feel like it was made for you, not simply bought by you. The quickest way to that feeling is to begin with the tones already present in your skin. Gemstones sit close to the face, catching light against your jaw, neck and earlobes, and they either pick up the natural warmth or coolness of your complexion or fight against it. Get the match right and people will assume you have had a very good night's sleep; get it wrong and even a beautiful stone can leave you looking tired.

The good news is that this is not a rigid set of rules. Your undertone is simply the subtle hue beneath the surface of your skin — warm, cool or neutral — and it stays remarkably consistent whether you are pale, medium or deep in tone. Once you know it, choosing earrings becomes a pleasure rather than a puzzle.

Work Out Your Undertone in Five Minutes

Before you fall in love with a pair of stones, spend a few minutes reading your own colouring. There are three quick checks, and they generally agree with one another.

• Vein check. Look at the veins on the inside of your wrist in daylight. Greenish veins suggest warm undertones, blue or purple veins suggest cool, and a mix of both points to neutral.
• Jewellery check. Which metal makes your skin glow rather than grey? Gold and rose gold flatter warm undertones, silver, platinum and white gold flatter cool, and neutral undertones can carry either.
• Sun check. If you tan easily and rarely burn, you are likely warm. If you burn first and tan reluctantly, you are likely cool.

Olive complexions deserve a special mention. If your skin has a green or golden cast and both gold and silver look acceptable, you are probably neutral or olive, and you have the enviable freedom to wear almost anything.

Warm Undertones: Amber, Citrine and Coral

Warm complexions come alive with stones that carry a golden, sunlit or honeyed quality. Amber is the classic example — its glowing, resinous orange-brown flatters golden skin in a way few other materials manage, especially in larger drops or teardrops that let the light travel through them. Citrine offers the same warmth with a cleaner, lemon-gold sparkle, and it is an excellent choice if you want something bright enough to wear with summer linens or a cream wedding outfit.

Coral is the warmer alternative to a classic red stone. Its soft peach-to-salmon range softens the face, and it looks particularly lovely in carved or cabochon cuts set in yellow gold. If you want a little more depth, consider hessonite garnet, imperial topaz or a golden South Sea pearl. Pair these with yellow gold, rose gold or bronze-toned settings, and keep the metalwork simple so the stone does the talking.

Cool Undertones: Blue Sapphire, Amethyst and Aquamarine

Cool complexions — pink, ruddy or porcelain with blue veins — shine in the blue-to-violet half of the gem cabinet. Blue sapphire is the benchmark: a deep, velvety Ceylon blue against pale skin is one of the most elegant combinations in jewellery. Choose a slightly lighter blue rather than a near-black stone if your skin is very fair, as the darker grades can look heavy in a small earring.

Amethyst brings a softer, more romantic note, and its purple range works beautifully with grey eyes. Aquamarine is the lightest of the trio and the most forgiving in daylight; its pale sea-blue is perfect for daytime earrings and for anyone who finds sapphire a touch formal. Keep the settings cool too — white gold, platinum, silver and palladium — and let the metal mirror the stone rather than compete with it.

Two useful additions for cool skin are rose-cut diamonds, which give a soft, hazy sparkle without the icy glare of a brilliant cut, and blue topaz, which delivers sapphire-like colour at a fraction of the weight on the wallet.

Neutral and Olive Complexions: The Best of Both

Neutral undertones are the lucky ones. You can wear warm and cool stones with equal ease, which makes styling far more flexible. The trick is to match your earrings to the rest of your outfit rather than to your skin: gold-toned gemstones with cream, camel and rust; blue and violet stones with navy, charcoal and pure white.

Olive skin often responds best to saturation. Pale, washed-out pastels can dull it, while rich emerald green, deep garnet, peacock-blue sapphire and warm amethyst all look rich and deliberate. If you have olive skin and want a single pair to do everything, a well-cut green tourmaline in yellow gold is a superb all-rounder.

Practical Styling: Metal, Cut and Occasion

Once your undertone is settled, a few practical choices will make your earrings work harder.

• Metal first, stone second. The metal frames the stone against your face, so a wrong metal can undo a right gemstone. Warm skin, warm metal; cool skin, cool metal.
• Match the cut to the effect. Brilliant cuts throw light and suit evening; cabochons and rose cuts are softer and sit better with daywear and vintage-inspired clothing.
• Consider scale. Small studs read as polish, drops read as glamour. If you have a long neck or a strong jaw, a slightly larger drop will balance your features.
• Echo, don't repeat. If your necklace already carries a strong stone, keep the earrings in the same family — a paler shade of the same hue, or a plain metal — so the two do not compete.
• Try before you commit. Hold the earring against your bare skin near a window, not under shop lighting. Daylight is honest; spotlights are flattering to everything.

Above all, trust your eye over any chart. A gemstone that makes you look twice in the mirror is the right one, whatever its colour family — the theory is only there to narrow the field.