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Birthstone Jewellery Buying Guide

A Guide To

Birthstone Jewellery

Meaningful and personal, birthstone jewellery makes a perfect gift for birthdays, anniversaries and special occasions. With our experts’ advice, we’re taking you through the history, meaning and science behind each birthstone, as well as how to care for them.

Coloured gemstone jewellery

What is a birthstone?

A birthstone is a gemstone that represents someone’s birthday - usually their month or zodiac sign. Legends speak of the healing, protective powers, and spiritual symbols of each birthstone, and it’s believed that wearing a birthstone during its assigned month heightens these powers.

What is the Mohs scale of hardness?

Created in 1812 by scientist Friedrich Mohs, the Mohs hardness scale rates 10 minerals based on the ability of one mineral to scratch another, 1 being the softest and 10 being the hardest. The harder the mineral, the more you can rely on its longevity, quality, and durability. The diamond is the hardest natural mineral in the world, and therefore, diamond rings and diamond jewellery are of the highest quality and make beautiful investment pieces.

This scale gives you an idea of how hard other gemstones are, including the gemstones mentioned below.

Birthstones month by month

Imbued with mythology, the origin of birthstones can be traced back to ancient times – when 12 stones were associated with the 12 signs of the zodiac. The list of birthstones as we know it today was created in 1912 by the National Association of Jewellers in America. Our exclusive Dance by Beaverbrooks collection features pendants which boast all 12 beautiful birthstones.

September’s birthstone | Sapphire

A favourite of royalty, sapphires are also the gemstone for 45th wedding anniversaries. Sapphires symbolise loyalty, and it’s also said to focus the mind and encourage self-discipline. 

A form of the mineral corundum, sapphires come in every colour except red – these are rubies. Corundum is the second hardest mineral after diamond. Our jewellery features blue and pink sapphires from Thailand, Brazil, Sri Lanka, Madagascar, and Australia. Many are heat-treated to enhance colour and clarity. 

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October’s birthstone | Opal

With changing iridescent tones, the opal is October’s birthstone. Said to enhance creativity, opal also symbolises hope and purity. Opal’s signature play of colour is caused by millions of tiny silica spheres in different sizes. These spheres diffract light to display different colours of the rainbow. Opal’s hardness ranges from 5 to 6.5 on the Mohs scale. 

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November’s birthstone | Topaz & Citrine

Most commonly seen in shades of brown, green, red, pink, yellow or blue, topaz is one of November’s birthstones – with blue topaz being the most popular in jewellery. Throughout history, it was thought that all yellow gems were considered topaz and all topaz was thought to be yellow. This is why Citrine is also a favourite for those born in November, as it sparkles in a beautiful yellow golden hue. 

Ancient Egyptians and Romans believed topaz had calming and healing properties, stopping nightmares and restoring sanity. Citrine is believed to attract wealth, prosperity and success. 

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December's birthstone | Tanzanite

Tanzanite is found in only one part of the world; Tanzania. With its limited supply and single location, tanzanite has become highly prized for its rarity. A relatively modern stone, tanzanite was discovered in the foothills of Mount Kilimanjaro in the 1960s. Tanzanite is the exquisite blue variety of the mineral zoisite. Its blue colour is caused by trace amounts of vanadium mixed with extreme heat. Tanzanite measures 6 to 7 on the Mohs hardness scale. 

Cleaning tip:Cleaning tip: Use our Sonic Dazzle Stik and rinse with warm water. Dry with a soft cloth. 

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January’s birthstone | Garnet

Most commonly a deep red gemstone, January’s birthstone garnet makes a beautiful gift for January birthdays. Symbolising friendship, power and happiness, garnet is said to protect the wearer during travel and give guidance in the night. A durable gemstone, garnet ranges from 6.5 to 7.5 on the Mohs hardness scale. 

Cleaning tip: Use warm soapy water and a soft bristle brush. Dry with a soft cloth.

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February’s birthstone | Amethyst

Most commonly a shade of pale lilac or deep purple, amethyst is the birthstone for February. A symbol of peace and protection, amethyst is said to bring serenity to the wearer. Composed of quartz, amethyst is formed through crystals in rocks and lava – getting its striking purple shades from irradiation, impurities and trace elements. Amethyst has a hardness of 7 on the Mohs scale, meaning it’s durable. 

Cleaning tip: Use warm soapy water and a soft bristle brush. Dry with a soft cloth.

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March’s birthstone | Aquamarine

Meaning ‘water of the sea’, March’s birthstone, aquamarine, is quite literally named after the ocean. Believed to keep you calm and peaceful, aquamarine is also associated with courage, loyalty and friendship. Aquamarine is a type of beryl (the same mineral family that includes emerald), a rare mineral found in igneous and metamorphic rocks. With a rating of 7.5 to 8 on the Mohs hardness scale, it’s a durable gemstone for jewellery. 

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April’s birthstone | Diamond

One of our favourite gemstones, diamonds are the birthstone for April. Representing eternity and everlasting love, diamonds are also believed to give you courage, strength and endurance. 

Derived from the Greek word ‘adamas’ meaning invincible, diamonds have been the symbol of love since ancient times. A type of carbon, diamonds are formed under high temperature and pressure conditions deep within the earth’s crust. It’s the hardest mineral on Earth. 

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May’s birthstone | Emerald

Signifying rebirth, emeralds are said to give you the power of youth, vitality, and good fortune. Our jewellery features emeralds from Colombia, Zambia, and Brazil. As a relatively soft stone, emeralds are often treated with oil or resin to enhance durability and colour. The most popular shape is the rectangular emerald cut, designed to prevent chipping. 

Emerald is a variety of beryl and its green colour comes from chromium and iron infiltrating its mineral structure during formation. Emerald is 7.5 to 8 on the Mohs scale, so it’s durable enough for jewellery wear. 

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June’s birthstone | Pearl

Adored for its iridescent lustre, pearls are a symbol of purity and faithfulness and are also the anniversary gemstone for 30 years of marriage. Formed by living organisms within oysters and mussels; when a foreign object enters their shell, the oyster will surround the object with layers of nacre – which forms the exquisite pearl. Natural pearls form naturally, whilst cultured pearls are the result of humans inserting the foreign object into the mollusc by hand. Only 2.5 on the Mohs hardness scale, pearls are soft and can be scratched, so should be stored in a soft pouch. 

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July’s birthstone | Ruby

A fiery red, Ruby is the birthstone for July and also the anniversary gemstone for 40 years of marriage. Said to protect you from misfortune and ward off evil, rubies are also seen as symbols of love and passion – making them a wonderful alternative to diamonds for an engagement or wedding ring. A variety of the mineral corundum and forming from metamorphic rock, ruby is 9 on the Mohs hardness scale, a relatively hard gemstone with excellent toughness. 

Cleaning tip: Use our Sonic Dazzle Stik and rinse with warm water. Dry with a soft cloth.

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August’s birthstone | Peridot

With a unique lime green glow, Peridot is associated with good fortune, and in Hawaii it symbolises the tears of Pele; the volcano goddess of fire who controls the flow of lava. Formed deep within the earth, peridot is brought to the surface by volcanoes. Its signature green colour comes from the composition of the mineral itself – rather than trace impurities. A durable gemstone, Peridot ranges from 6.5 to 7on the Mohs scale. 

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“Brighten up a loved one’s special occasion with a gorgeous birthstone gift. Choose either their birthstone or the birthstone of someone they wish to keep close to their heart for an extra thoughtful gift.”

- Lorna, Head of Diamonds and Jewellery

Read Lorna's bio

Birthstones by Zodiac

Birthstones are actually historically linked to the zodiac, not the months; as there were 12 stones for the 12 signs of the zodiac during Roman times. Choosing a birthstone by zodiac is another way to find a personal and meaningful piece of jewellery for yourself or a loved one.

We’ve listed the below zodiac birthstones, but there’s often alternative stones for each sign. Align your stars and heighten your powers with your zodiac birthstone.

A sapphire gemstone
Virgo | Sapphire

August 23 - September 22

An opal gemstone
Libra | Opal

September 23 - October 23

A topaz gemstone
Scorpio | Topaz

October 23 - November 21

A garnet gemstone
Capricorn | Garnet

December 22 - January 19

An amethyst gemstone
Aquarius | Amethyst

January 20 - February 18

An aquamarine gemstone
Pisces | Aquamarine

February 19 - March 20

A diamond gemstone
Aries | Diamond

MArch 21 - April 19

An emerald gemstone
Taurus | Emerald

April 20 - May 20

A pearl gemstone
Gemini | Pearl

May 21 - June 21

A ruby gemstone
Cancer | Ruby

June 22 - July 22

A peridot gemstone
Leo | Peridot

July 23 - August 22

Any treatments to our gemstones are common to the gemstone and jewellery trade worldwide and are of a permanent nature. Each of our gemstones are natural gemstones and haven’t been created in a laboratory. Any synthetic versions of gemstones in our collection will always be described as synthetic.

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Whether you’re looking for birthstone anniversary gifts or you’re marking to make that special someone’s birthday, discover our beautiful collection of birthstone jewellery for every occasion.

Dance birthstones by Beaverbrooks

“Crafted in 9ct white gold and glistening with your every move, our Dance by Beaverbrooks pendants are the perfect birthstone gift for a loved one who likes to sparkle with a touch of colour.” - Lorna, Head of Diamonds and Jewellery

Inspiration & Advice
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