What Is the May Birthstone? A Complete Guide to Emerald
- Lee Molseed
- Apr 24
- 7 min read
Updated: May 1
The May birthstone is emerald. If you have searched “what is the May birthstone?” or “what is the birthstone for May?”, the direct answer is emerald: a richly green variety of beryl valued for its colour, rarity and long-standing place in fine jewellery.
At West Country Goldsmiths, we help customers choose emeralds for rings, pendants, earrings and bespoke commissions from our Plymouth workshop. You can also explore our emerald jewellery collection.
Birthstone for May: Quick Answer and Key Facts
Primary and traditional May birthstone: emerald.
Typical colour: vivid green to slightly bluish green.
Mineral family: beryl, the same family as aquamarine.
Hardness: around 7.5 to 8 on the Mohs scale.
Important sources include Colombia, Zambia and Brazil.
Many emeralds are clarity enhanced, so proper care matters.
If you only need one answer, May’s birthstone is emerald.
That simple answer is one reason birthstone articles perform so well in search. People want a fast, confident definition first, then practical help choosing jewellery that actually suits the wearer.
Why Emerald Is the May Birthstone
Emerald’s connection with May makes sense immediately: its fresh green colour fits the month’s themes of spring, growth and renewal. Over time, that visual and symbolic fit became established in widely used birthstone traditions, so emerald is now the recognised modern and traditional answer for May.
You may occasionally see alternative green stones mentioned in gift guides, but jewellers and most customers still use emerald as the definitive May birthstone.
What Is Emerald? Properties, Colour and Strength
Emerald is the green variety of beryl, the same mineral family as aquamarine. Its colour comes mainly from trace elements such as chromium and sometimes vanadium, giving it the rich green appearance that makes it one of the most recognisable gemstones in jewellery.
In practical terms, emerald is prized less for sharp, brilliant sparkle than for colour, depth and character. The finest stones usually show a vivid, even green that still looks lively in normal light. If an emerald appears overly dark, greyish or dull, it will usually feel less impressive in the finished piece no matter how large it is.
Emerald ranks around 7.5 to 8 on the Mohs scale of hardness, so it is durable enough for fine jewellery. That said, hardness is not the same as toughness. Many emeralds contain natural internal features and surface-reaching fractures, which means they can be more vulnerable to knocks than stones such as diamonds or sapphires. This is one reason setting style matters, especially in rings intended for regular wear.
Unlike diamonds, emeralds often contain visible internal characteristics. These inclusions are part of what makes natural emerald distinctive, and in many cases they are entirely normal. The goal is not to find a stone with no internal character at all, but one whose colour, life and overall balance make it worth choosing for the piece it will become.
For emeralds, colour usually matters first. Clarity and cut matter too, but the stone has to look alive.
Emerald Meaning, History and Appeal
Emerald has been admired for thousands of years and has appeared in royal jewellery, historic treasures and important collections across different cultures. It is often linked in folklore with rebirth, love, growth and foresight. We treat those associations as tradition rather than fact, but they help explain why emerald still feels so emotionally significant as a gift.
That long history also makes emerald a particularly strong choice for jewellery intended to mark an occasion: milestone birthdays, anniversaries, family commissions or the remodelling of inherited pieces.
May Birthstone Jewellery in Plymouth, Devon
For local customers, the practical question is not only what May’s birthstone is, but which emerald suits daily wear, gifting or a bespoke commission. Seeing stones and finished pieces in person makes a real difference because emerald colour can shift noticeably depending on lighting, cut and setting style.
Our workshop is based at Unit 41 Faraday Mill Business Park, Plymouth, so you can discuss sourcing, design, remodelling, resizing, repairs and stone setting without sending your jewellery away. That local workshop access is one of the strongest practical reasons to choose a jeweller nearby when you are investing in an emerald piece.
How to Choose an Emerald
When choosing an emerald, colour is usually the biggest factor. After that, clarity, cut and setting all shape whether the finished piece feels elegant and durable or disappointing and fragile.
Start with colour and look for a lively green that still appears bright in normal daylight.
Check clarity with realistic expectations because most natural emeralds contain visible inclusions.
Review the cut and avoid stones that look overly dark or watery through the middle.
Ask clearly about treatments, because clarity enhancement is common and should be explained honestly.
Match the setting to how the piece will be worn, especially for rings intended for regular use.
Pendents and earrings are often lower-risk choices for daily wear than exposed rings.
Protective settings can make emerald rings far more practical.
White metals can sharpen the green visually, while yellow gold can add warmth and richness.
A slightly included emerald with exceptional colour is often more attractive than a cleaner but duller stone.
Where Are Emeralds Found?
Colombia is famous for producing some of the world’s finest emeralds, while Zambia and Brazil are also major sources. Origin can affect the style of colour you see, but for most buyers the more useful question is whether the individual stone is attractive, well cut and right for the intended piece of jewellery.
How to Spot a Fake Emerald
This is one of the most useful buying questions because not every green stone sold as emerald is a natural mined emerald. Some are imitations such as glass. Some are assembled stones. Some are lab-grown. None of those categories is automatically dishonest if the seller discloses them clearly, but problems start when the description is vague or misleading.
Be cautious if a large, vivid, very clean stone is priced suspiciously low.
Look for overly uniform colour with no natural-looking character at all.
Watch for a glassy appearance or obvious bubbles in imitation material.
Ask whether the stone is natural, lab-grown or imitation rather than assuming.
Do not rely on internet torch tests as a substitute for professional assessment.
A jeweller can often identify obvious warning signs quickly, and higher-value stones may need formal gemmological testing. If you are working from inherited jewellery or loose stones, it is worth having them assessed before designing around them.
Does May Have a Second Birthstone?
In the standard modern and traditional sense, no: emerald is the recognised May birthstone. Some content online mentions other green stones as alternatives for style or budget reasons, but that does not change the main answer. If someone asks for the May birthstone, they almost always mean emerald.
Is Emerald Rare?
Fine emerald is a rare and valuable gemstone, particularly in larger sizes with strong colour and pleasing transparency. It is not the rarest birthstone in existence, but high-quality emerald is far less common than many commercial jewellery stones, which is one reason exceptional examples command strong prices.
Using Old Gold Toward a New Emerald Piece
Some customers fund a new commission by selling or recycling unworn gold first. If that is part of your plan, our local guide about where to sell gold in Plymouth may help
That can be especially useful if you want to move from outdated jewellery into a new emerald ring, pendant or pair of earrings that feels more wearable and personal.
How to Care for Emerald Jewellery
Emerald is durable enough for fine jewellery, but it does need sensible handling. Because clarity enhancement is common and natural internal features can make some stones more vulnerable, care should be gentler than with harder, tougher stones such as diamonds.
Clean with warm water, mild soap and a soft brush or cloth.
Avoid ultrasonic cleaners, steam cleaners, harsh chemicals and excessive heat.
Remove emerald rings for heavy lifting, gardening, gym work and DIY.
Store emerald pieces separately from harder jewellery to reduce scratching.
Have claws and settings checked professionally from time to time.
A ring worn daily needs more frequent checks than an occasional pendant.
Cloudiness, looseness or rattling should be looked at promptly.
A well-made setting is as important as the stone itself.
Professional workshop cleaning is often the safest option for sentimental pieces.
Frequently Asked Questions About the May Birthstone
What is May’s birthstone and flower?
May’s birthstone is emerald. The flowers most commonly associated with May are lily of the valley and hawthorn.
What is the original birthstone for May?
Emerald has long been associated with May in both historical and modern birthstone traditions, so it is generally treated as the original and primary May birthstone.
What are the 12 birthstones by month?
Each month has an assigned gemstone, with emerald representing May in the modern birthstone calendar. You can also visit our collections available for March (aquamarine), April (diamonds), September (sapphire), October (opal) and November (topaz) birthstones. We are continuing to add to our online collections, and aim to have all 12 by this time next year.
How can I spot a fake emerald?
Warning signs include unusually low prices, very large stones with implausibly clean appearance, glassy texture and unclear disclosure from the seller. The safest route is a professional assessment rather than a home test.
Does May have a second birthstone?
Not in the main standards most jewellers use. Emerald remains the recognised May birthstone.
Who cannot wear emerald stones?
There is no practical jewellery rule that someone cannot wear emerald. The more useful point is whether the design suits the wearer’s lifestyle and whether the setting protects the stone properly.
Which is better, ruby or emerald?
Neither is universally better. Ruby is usually tougher for daily ring wear, while emerald is chosen for its distinctive green character and classic elegance. Preference, budget and intended use should decide.
Is Emerald Heat Treated?
Most emeralds are not heat-treated like sapphires or rubies. They are almost always oil treated, and sometimes resin-treated to enhance clarity - although resin treatment typically lowers the value. Emeralds aren't heat-treated because they have a lower melting point so cannot withstand high heat. Controlled heating can be used to alter inclusions.
What is May’s birthstone in the Bible?
Modern month-by-month birthstone assignments came much later than biblical texts, so there is no single biblical May birthstone in the modern jewellery sense. Emerald’s link with May is mainly a later birthstone tradition.
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