Birthstone by Month Guide 2026: Modern, Traditional And; Natural Gemstones Explained
Most birthstone guides look the same. You land on a jewelry site, scroll past a chart, and get funneled straight into a ring or necklace listing before you've even learned anything about the actual stone. That's fine if you already know exactly what you want set in gold. But if you're the kind of person who's curious about the gemstone itself — what it looks like in its natural, uncut form, where it comes from, why some months have three different stones instead of one that information is surprisingly hard to find.
This guide is built differently. We'll walk through every month's birthstone, both the modern and traditional versions, explain why the list isn't as simple as one stone per month, and point you toward the real, natural version of each gem rather than just another piece of jewelry. If you've ever wondered what your birthstone actually looks like before it's cut and set, this is for you.
Why Birthstones Aren't as Simple as "One Stone, One Month"
Before we get into the month-by-month breakdown, it helps to understand why this list even has two versions in the first place.
The idea of tying a gemstone to a birth month goes back further than most people realize some trace it to the Book of Exodus and the twelve stones on the breastplate of Aaron, which were later linked to the twelve months of the year and the twelve zodiac signs. By the 16th century, the practice of wearing one stone per birth month had taken hold across parts of Europe, and it spread from there.
The list most people recognize today, though, was standardized much later. In 1912, the National Association of Jewelers in the U.S. formalized a "modern" birthstone chart to bring consistency to the jewelry trade. This modern list leaned toward transparent, durable gemstones that were easier to source and facet, which is part of why it differs from the older traditional list in several months. Since then, the modern chart has been updated more than once — tanzanite was added for December in 2002, and spinel joined August's lineup in 2016.
That's the short version of why you'll sometimes see two, or even three, stones listed for the same month. Some are ancient and symbolic. Others were added more recently simply because they're more available, more affordable, or more visually striking than the historical option.
| Month | Modern Birthstone | Traditional Birthstone |
|---|---|---|
| January | Garnet | Garnet |
| February | Amethyst | Amethyst |
| March | Aquamarine | Bloodstone |
| April | Diamond | Diamond |
| May | Emerald | Emerald |
| June | Pearl, Alexandrite, Moonstone | Pearl |
| July | Ruby | Ruby |
| August | Peridot, Spinel | Sardonyx |
| September | Sapphire | Sapphire |
| October | Tourmaline, Opal | Opal |
| November | Topaz, Citrine | Topaz |
| December | Tanzanite, Zircon, Turquoise, Blue Topaz | Turquoise |
January — Garnet
Garnet has been used in jewelry and amulets for thousands of years, and red is the color most people picture, but garnet actually occurs in an impressive range — orange, green, and color-changing varieties all exist. Its deep red form has long been associated with protection and strength, partly because of its resemblance to pomegranate seeds, which is where its name originates.
If you want to see garnet in its natural, raw form rather than faceted, look for crystal specimens still embedded in matrix — garnet often grows alongside quartz or tourmaline, which makes for a genuinely striking display piece.
February — Amethyst
Amethyst is one of the few birthstones where the modern and traditional lists agree completely, which says something about how beloved this purple quartz variety has been across history. Its color ranges from a soft lavender to a deep, almost grape-toned violet, and the most prized material tends to come from Brazil.
Amethyst is also one of the easiest birthstones to collect in its natural, loose gemstone form, since high-quality rough is widely available and doesn't carry the extreme price premiums of rarer stones.
You can browse natural, loose amethyst in our Amethyst Collection, sourced primarily from Brazil.
March — Aquamarine (Modern) / Bloodstone (Traditional)
This is one of the clearer examples of the modern list prioritizing accessibility. Bloodstone, the traditional March stone, is a dark green chalcedony speckled with red inclusions that resemble drops of blood, hence the name. It's striking, but less commonly used in fine jewelry today.
Aquamarine took its place on the modern list, named after the Latin for "seawater" because of its pale blue-to-teal color. Beyond its surface beauty, aquamarine has a long history tied to sailors, who once believed it offered protection on ocean voyages.
For natural aquamarine, including pieces sourced from Pakistan's renowned Shigar Valley, take a look at our Aquamarine Collection.
April — Diamond
Diamond needs little introduction. It's the hardest natural material on Earth, scoring a perfect 10 on the Mohs scale, and that combination of hardness and brilliance has made it the unchallenged April birthstone on both modern and traditional lists for over a century.
May — Emerald
Emerald, the green variety of beryl, has been treasured since antiquity — Cleopatra was famously known for her emerald collection. Fine emerald color comes from trace amounts of chromium or vanadium, and the most celebrated sources include Colombia, Zambia, and notably, Afghanistan's Panjshir Valley and Pakistan's Swat region.
We carry natural emerald specimens from both Panjshir and Swat in our Emerald Collection, each retaining the natural crystal form rather than being cut for jewelry.
June — Pearl, Alexandrite, and Moonstone
June is one of the more crowded months. Pearl is the traditional choice and the only birthstone that comes from a living creature rather than the earth itself. Alexandrite, a rare variety of chrysoberyl that shifts color from green in daylight to red under incandescent light, was added as a modern option. Moonstone, with its soft, glowing sheen, rounds out the modern list as well.
July — Ruby
Ruby is corundum with a dominant red hue, the same mineral family as sapphire. Fine rubies are among the most valuable gemstones by carat in the world, and historically they were associated with vitality, passion, and protection in battle.
August — Peridot, Spinel, and Sardonyx
Peridot, a bright olive-green gem formed deep in the Earth's mantle, is the modern primary stone for August. Spinel was officially added to the list in 2016, giving August a second modern option that comes in a wide range of colors, including vivid reds that were historically mistaken for ruby. Sardonyx, a banded brown-and-orange stone, is the traditional choice.
If you're drawn to spinel's range of colors, our Spinel Collection includes natural pieces in red, pink, purple, and blue, sourced largely from Burma.
September — Sapphire
Sapphire is corundum in any color other than red — most famously blue, but also available in pink, yellow, green, and parti-colors that shift between hues. It's one of the more durable gemstones, which is part of why it remains popular in both modern and traditional jewelry.
October — Tourmaline and Opal
October's modern list features two strikingly different stones. Opal is known for its play-of-color, a shifting rainbow effect caused by the way light interacts with its internal structure. Tourmaline, meanwhile, comes in more colors than almost any other gemstone, including the famous pink-and-green watermelon variety and vivid "Paraiba" blues and greens.
Given how much variety tourmaline offers on its own, it's worth exploring separately. Our Tourmaline Collection and Watermelon Tourmaline Collection both feature natural crystal specimens sourced from Afghanistan and Pakistan.
November — Topaz and Citrine
Topaz, in its natural form, is most often colorless or pale, though heat treatment can produce the blue tones widely seen in jewelry. Citrine, the golden-yellow variety of quartz, is the second modern option and is closely related to amethyst, sharing the same mineral family but a different trace-element coloring.
You can find natural citrine and untreated topaz specimens in our Topaz Collection and Quartz Collection.
December — Tanzanite, Zircon, Turquoise, and Blue Topaz
December has the longest modern list of any month, and tanzanite is the star of it. Discovered only in the 1960s and found in just one place on Earth — the Merelani Hills near Mount Kilimanjaro in Tanzania — it was officially added to the birthstone chart in 2002, making it one of the most recently recognized birthstones. Zircon, turquoise, and blue topaz round out the rest of December's modern options, all sharing cool blue tones that suit the winter season.
Explore natural, untreated tanzanite in our Loose Gemstones Collection, where pieces from the Merelani mine are available in their natural crystal form.
Modern vs. Traditional: Which One Should You Go By?
There's no wrong answer here. The traditional list carries centuries of symbolic weight and historical continuity, while the modern list reflects practical availability and contemporary taste. Many people simply choose whichever stone they're drawn to visually, regardless of which list it technically belongs to. If your traditional stone is hard to find or doesn't suit your style, the modern alternative is just as legitimate.
Why Consider the Natural, Uncut Version?
Most birthstone content stops at jewelry. But every one of these gemstones starts out as a raw mineral, often a genuinely beautiful crystal in its own right before anyone ever puts it under a saw. Collecting the natural form — whether as a loose gemstone or a crystal specimen still attached to its matrix — gives you a direct connection to where the stone actually came from and how it formed, something a finished ring simply can't show you.
It's also often more affordable than people expect. A raw or lightly faceted natural gemstone can cost a fraction of the same material set in jewelry, since you're not paying for metalwork or labor on top of the stone itself.
Frequently Asked Questions
What is the difference between modern and traditional birthstones?
Traditional birthstones date back centuries and are rooted in historical and cultural symbolism. Modern birthstones were standardized in 1912 and updated since, chosen partly for their availability and suitability for jewelry design.
Why do some months have more than one birthstone?
Regional traditions varied historically, and as new gemstones were discovered or became more available, they were added to the modern list to give buyers more options across different price points and colors.
What is the rarest birthstone?
Tanzanite is among the rarest, since it's found in only one location on Earth, near Mount Kilimanjaro in Tanzania. Alexandrite is also considered extremely rare due to its color-changing properties and limited natural sources.
Can I wear a birthstone that isn't from my exact birth month?
Yes. Many people choose a birthstone based on personal preference, zodiac sign, or family tradition rather than strictly following the calendar month.
Is it better to buy a natural birthstone or a treated one?
Natural, untreated stones are generally more valuable and offer color that occurs without intervention. Treated stones, such as heated topaz or citrine, are more affordable and widely available, which makes them a practical choice for many buyers.
What is the most affordable birthstone?
Garnet, amethyst, and citrine tend to be among the more affordable natural birthstones, since they're relatively abundant compared to stones like emerald, ruby, or tanzanite.
Where can I buy a natural, uncut birthstone instead of jewelry?
Specialty mineral and gemstone dealers carry loose, natural stones and raw crystal specimens. Our Loose Gemstones Collection and Mineral Specimens Collection feature natural birthstones sourced directly from mining regions in Pakistan, Afghanistan, and beyond.