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Birthstones by Month: Which Gemstone Matches Each Birth Month?

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UK mother wearing a custom birthstone by month gemstone necklace featuring her own birthstone and the birthstones of her two children, smiling with her kids beside a guide titled “Birthstones by Month: Which Gemstone Matches Each Birth Month?” on a soft elegant jewellery-themed background.

Picking a birthstone gift should be simple, but search “birthstones by month” and you get a different answer on nearly every site. One page says June is pearl, another says moonstone, a third throws in alexandrite. Buy the wrong stone and a thoughtful present quietly misses the mark. This guide clears it up: the UK birthstone list, what each gemstone means, and how to choose one that actually lasts.

What are the birthstones by month?

A birthstone is a gemstone linked to the month a person was born. Each stone carries its own colour, history, and set of meanings, and the idea is that wearing your own birth month’s gem is a small, personal way to mark who you are or who you love.

The custom is old. Many historians trace it back to the Breastplate of Aaron described in the Bible, a piece set with twelve gemstones for the twelve tribes of Israel. The habit of wearing one stone for your own birth month, though, is much more recent and is thought to have taken hold in Poland somewhere between the 16th and 18th centuries.

 The UK birthstones by month are: January garnet, February amethyst, March aquamarine, April diamond, May emerald, June pearl, July ruby, August peridot, September sapphire, October opal, November topaz or citrine, and December turquoise or tanzanite. A few months carry more than one stone, which we explain below.

Why the UK birthstone list is different from the US

Here is the part most guides skip, and it causes real confusion.

There is no single worldwide birthstone list. The American list was standardised first, in 1912, by the National Association of Jewelers. The UK followed later, in 1937, when the National Association of Goldsmiths set out its own version with both main stones and alternatives. The two lists agree on most months, but they part ways on a few, which is why you will see December listed as turquoise on a British site and tanzanite on an American one.

Other cultures have their own systems entirely. The Hindu Navaratna tradition, for example, links nine gemstones to celestial bodies rather than to calendar months. None of these versions is “wrong.” They simply grew from different places and times.

If you are buying in Britain, the UK list below is the sensible one to follow, with alternatives noted so you have options.

Birthstones by Month: The Full UK Chart

Month Birthstone Colour Common alternatives What it means
January Garnet Deep red Rose quartz Protection, friendship, energy
February Amethyst Purple Onyx Calm, clarity, wisdom
March Aquamarine Pale sea blue Bloodstone Courage, calm, fresh starts
April Diamond Clear White sapphire, rock crystal Strength, lasting love
May Emerald Green Chrysoprase Renewal, hope, growth
June Pearl White, cream Moonstone, alexandrite Purity, gentleness
July Ruby Rich red Carnelian Passion, courage, vitality
August Peridot Lime green Sardonyx, spinel Strength, positivity
September Sapphire Blue Lapis lazuli Loyalty, wisdom, trust
October Opal Shifting rainbow Pink tourmaline Hope, creativity, confidence
November Topaz, Citrine Golden yellow Warmth, friendship, abundance
December Turquoise, Tanzanite Blue to violet-blue Blue topaz, lapis Luck, protection, friendship

Save or print this chart if you are shopping for a gift. It covers all twelve months at a glance.

A Short Word on Each Gemstone

Birthstones by month chart showing twelve coloured gemstones arranged in a circle, including garnet, amethyst, aquamarine, diamond, emerald, pearl, ruby, peridot, sapphire, opal, topaz, and turquoise.

January birthstone: Garnet

A deep, warm red that looks wonderful against both silver and gold. Garnet stands for protection, friendship and energy, and was once carried by travellers for safe passage.

February birthstone: Amethyst

A stone of soft lilac to deep purple. Amethyst has been worn for centuries as a symbol of calm, clarity and a clear head.

March birthstone: Aquamarine

A pale, watery blue named after sea water. Linked to courage, calm and fresh starts, it suits early spring birthdays. The older alternative is bloodstone.

April birthstone: Diamond

Clear, bright and the hardest natural material on earth. That toughness is part of why diamond came to stand for strength and lasting love. White sapphire and rock crystal are gentler-priced alternatives.

May birthstone: Emerald

A rich green stone tied to renewal, hope and growth. Emerald is a classic for a spring birthday, though it can be a little brittle, so it wants some care.

June birthstone: Pearl

Soft and classic. Pearls are organic, grown inside oysters, which gives them a glow no cut stone can copy. Moonstone, with its blue sheen, is the popular modern alternative for June.

July birthstone: Ruby

One of the most prized red gems and second only to diamond for hardness. Ruby means passion, courage and vitality, and it wears beautifully every day.

August birthstone: Peridot

A bright, citrus green that is lighter and more yellow than emerald. Peridot is said to keep negativity away and to lift confidence.

September birthstone: Sapphire

Famous in deep royal blue, though it comes in many colours. Sapphire stands for loyalty, wisdom and trust, and it is hard enough for daily wear.

October birthstone: Opal

A stone that shifts colour as it catches the light, so no two are ever the same. Opal is tied to creativity and hope. Pink tourmaline is the common alternative.

November birthstone: Topaz and Citrine

Both warm and golden, glowing like late autumn sun. They are linked to warmth, friendship and good cheer, and either is a valid November stone.

December birthstone: Turquoise and Tanzanite

Turquoise is the older UK choice, an ancient protective stone. Tanzanite is newer, found only in Tanzania, and rarer than diamond. Blue topaz is a budget-friendly third option.

How to choose a birthstone that survives everyday wear

This matters more for a bracelet than for any other piece of jewellery, and almost no one mentions it. A ring or pendant sits fairly still. A bracelet knocks against desks, doorframes, and shopping bags all day, so the stone needs to cope.

Gem hardness is measured on the Mohs scale, where talc is 1 and diamond is 10. The higher the number, the better a stone resists scratches and daily wear. Here is how the birthstones compare.

Birthstone Hardness: Which Stones Suit Everyday Wear

Birthstone Mohs hardness Good for daily bracelet wear?
Diamond (April) 10 Excellent
Ruby, Sapphire (July, September) 9 Excellent
Topaz (November) 8 Very good
Emerald, Aquamarine (May, March) 7.5 to 8 Good, but emerald can be brittle
Amethyst, Citrine (February, November) 7 Good
Garnet (January) 6.5 to 7.5 Good
Peridot (August) 6.5 to 7 Reasonable, avoid hard knocks
Tanzanite, Turquoise (December) 6 to 7 Wear gently
Opal (October) 5.5 to 6.5 Delicate, treat with care
Moonstone (June alt.) 6 to 6.5 Delicate
Pearl (June) 2.5 to 3 Soft, special-occasion wear

The Mohs scale ranks hardness in order, not in equal steps. Diamond at 10 is much harder than sapphire at 9, so the gap between the top stones is wider than the numbers suggest. For a piece you wear every day, anything from 7 upwards holds up well.

None of this means you should avoid the softer stones. A June pearl or an October opal can be the most beautiful charm on a bracelet. It just means a pearl charm is happier coming out for dinners and celebrations than for the gym, and a softer stone deserves the gentle-care routine further down this page. If you want a piece for constant, everyday wear, the corundum family (ruby and sapphire), topaz, and quartz stones (amethyst and citrine) are the easy winners.

This is the kind of thing a maker thinks about that a mass producer rarely does. When every piece is made by hand in London, the stone and the setting are chosen together so the gem is protected, not just pretty.

What is my real birthstone?

People often search for their real or true birthstone, worried they have been shown the wrong one. The honest answer is that your real birthstone depends on which list you follow. In Britain, your true birthstone is the one on the UK list above. Modern lists then add alternatives, often to give a more affordable or more durable option. So if your month has two stones, both are genuine. Neither is a fake. You simply pick the one you prefer.

Zodiac birthstones by month

Birthstones follow calendar months, but some people prefer to choose by star sign instead. There is no single official zodiac stone list, yet these are the most widely recognised pairings.

Star sign Dates Commonly linked stones
Aries 21 Mar to 19 Apr Diamond, bloodstone
Taurus 20 Apr to 20 May Emerald, sapphire
Gemini 21 May to 20 Jun Pearl, agate
Cancer 21 Jun to 22 Jul Ruby, moonstone
Leo 23 Jul to 22 Aug Peridot, onyx
Virgo 23 Aug to 22 Sep Sapphire, carnelian
Libra 23 Sep to 22 Oct Opal, peridot
Scorpio 23 Oct to 21 Nov Topaz, aquamarine
Sagittarius 22 Nov to 21 Dec Turquoise, topaz
Capricorn 22 Dec to 19 Jan Garnet, ruby
Aquarius 20 Jan to 18 Feb Amethyst, garnet
Pisces 19 Feb to 20 Mar Aquamarine, amethyst

There is no single official zodiac stone list, so these are the most widely recognised pairings. Because star signs cross two months, a zodiac stone gives a little more choice than a strict month stone.

June's pearl is the only birthstone made by a living creature. Each one grows slowly inside an oyster, which is why no two pearls are ever exactly alike.

Family birthstone bracelets and personalised pieces

A birthstone gift lands hardest when it tells a story. A family bracelet that holds a stone for each child, or for a couple, turns a simple piece into a small, wearable family tree. Charm bracelets suit this well because they are built to grow, with room to add a stone when a new baby arrives or a milestone comes round.

You can mix the main month stone with its alternative too. If a June pearl feels too formal for someone’s style, a moonstone keeps the month while matching their everyday look. Meaning first, rules second. At Sarah Valley our birthstone pieces are made to order so the stones can be chosen month by month, and the same idea works in birthstone necklaces if a pendant suits her better than a bracelet.

Multi colour family birthstone by month bracelet

Frequently Asked Questions

They were set by different bodies at different times. The US list was standardised in 1912 by the National Association of Jewelers, and the UK list in 1937 by the National Association of Goldsmiths. Most months match, but a few differ, such as December.

Traditional stones are the older ones tied to each month by long custom. Modern lists, drawn up in the twentieth century, added or swapped in stones that were easier to find and set, like tanzanite for December. Both are valid.

The roots are often traced to the Breastplate of Aaron in the Bible, set with twelve gemstones. Wearing one stone for your own birth month is a later custom, thought to have started in Poland between the 16th and 18th centuries.

Tanzanite, one of December’s stones. It is found in only one place on earth, near Mount Kilimanjaro in Tanzania, which makes it rarer than diamond.

Yes. There is no rule that ties you to your own month. Many people choose a stone by colour, by meaning, or to represent a loved one.

For the practical side, which stones suit everyday wear, how to care for them, and which pieces work best as gifts, our birthstone charm bracelets collection covers it.

Not quite. Birthstones are tied to calendar months, while zodiac stones are tied to star signs, which each cross two months. Plenty of people wear both, and a piece can be designed around either system.

Find the stone that fits

A birthstone is a small, personal way to carry a month, a person or a memory with you. Once you know which gem matches the birth month, the colour that suits them, and which stones stand up to daily wear, the rest is simply choosing the piece that feels like them.

When you are ready, our handmade birthstone jewellery is made one at a time, with each stone chosen to suit both the wearer and the way they live.

Picture of Sarah

Sarah

Sarah Mubarrak is the founder of Sarah Valley, a handmade jewellery brand based in the UK. She designs unique pieces using natural gemstones, crystals, and pearls, all crafted by hand with skin-safe materials. Inspired by nature, Sarah creates jewellery for women who want to feel confident and stand out.

Picture of Sarah

Sarah

Sarah Mubarrak is the founder of Sarah Valley, a handmade jewellery brand based in the UK. She designs unique pieces using natural gemstones, crystals, and pearls, all crafted by hand with skin-safe materials. Inspired by nature, Sarah creates jewellery for women who want to feel confident and stand out.

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