October has two birthstones, and together they make the most colorful gift of the year: opal and tourmaline. Opal dazzles with a rainbow play-of-color that shifts as it moves, while tourmaline comes in more colors than any other gem, including the pink-and-green watermelon variety. So October birthstone jewelry can be as magical or as vivid as you like.
This guide helps you choose the perfect October piece. You’ll meet both stones, see the best jewelry for each, and get practical tips for buying a gift they’ll treasure. At Gems Lore, we want your October gift to feel just right. Here’s everything you need.
October’s Birthstones at a Glance
- Opal — iridescent play-of-color, romantic and one of a kind.
- Tourmaline — available in every color, from vivid pink to green.
- Watermelon tourmaline — the striking pink-center, green-rim favorite.
- Both are delicate, so protective settings and gentle care matter.
Meet October’s Two Birthstones
Each October stone has its own magic. Knowing them makes choosing easier.
Opal is famous for its play-of-color, flashing rainbow hues from within as the light shifts. No two opals are alike, which makes each piece uniquely personal, as our opal meaning guide explains. It’s a soft, water-sensitive stone that rewards gentle care. Tourmaline is the chameleon of gems, found in more colors than any other. The beloved watermelon variety pairs a pink center with a green rim, like a slice of fruit, and the pink form has its own charm, covered in our pink tourmaline meaning guide. Between them, opal and tourmaline offer color for every taste.
Tourmaline Jewelry Gifts
Tourmaline is the colorful, versatile choice for an October gift. The watermelon variety, in particular, is a natural work of art that few other people will own. Just remember that thin “slice” cuts are delicate and suit protective settings.
For a bold, personal gift, a watermelon tourmaline ring is a showstopper, and our watermelon tourmaline rings guide covers styles and care. A pendant is the perfect home for a delicate slice, as our watermelon tourmaline necklaces guide explains. Earrings frame the face with color, shown in our watermelon tourmaline earrings guide, and a bracelet adds a wristful of cheer, covered in our watermelon tourmaline bracelets guide.
Opal Jewelry Gifts
Opal is the romantic, magical choice for an October gift. Its shifting rainbow fire feels almost alive, and its one-of-a-kind nature makes it deeply personal. Because opal is soft and can be sensitive to knocks and water, protective settings and gentle care are important.
Opal shines in rings, pendants, and earrings, especially in designs that let its color play catch the light. Pendants and earrings are the gentlest, lowest-risk choices for such a delicate stone. Dedicated opal jewelry guides are on the way, so check back soon for detailed style tips.
Which October Stone Should You Choose?
With two very different stones to pick from, a quick comparison helps. Each suits a different giftee.
Choose opal for a romantic, whimsical person who loves the idea of a magical, one-of-a-kind stone. Choose tourmaline for someone who loves color and wants something vivid and versatile. And choose watermelon tourmaline specifically for the person who wants a truly unique, conversation-starting gift. If you want the safest crowd-pleaser, a tourmaline pendant is hard to beat, while opal is the choice for pure romance.
Choosing by Jewelry Type
The type of jewelry matters as much as the stone. Think about how your giftee actually dresses.
A ring is bold and personal, but both opal and thin tourmaline slices need protective settings there. A necklace or pendant is the safest, most universal gift, gentle on delicate stones and easy to wear daily. Earrings are elegant and low-risk, and they flatter almost everyone. A bracelet makes a lovely statement, though it faces more knocks on an active wrist. When in doubt, a pendant or earrings suit nearly any recipient.
Gift-Buying Tips for October Birthstones
A few smart habits ensure your gift is genuine and lasting. Both October stones have their quirks.
Buy from reputable sellers and ask about treatments and origin, as our how to buy gemstones online guide explains. Opal is sometimes sold as a doublet or triplet or imitated, so our real vs. fake opal guide helps, and for any stone, our how to spot fake crystals guide is useful. For a finer piece, ask about certification, covered in our gemstone certification guide. Finally, match the gift to your giftee’s lifestyle, choosing protected settings for everyday wear.
Keeping October Birthstone Jewelry Beautiful
A quick word on care, since both October stones are delicate. A little knowledge keeps your gift looking its best.
Opal is soft and contains water, so keep it away from heat, harsh chemicals, and prolonged soaking, which can cause it to craze or crack. Tourmaline is harder but can have inclusions, and thin watermelon slices chip easily, so they need gentle handling and protective settings. For both stones, remove the jewelry before rough activity, clean it gently, and store it separately. The individual guides linked above cover care for each piece in more detail.
The Most Colorful Birthday of the Year
Here’s a fun way to frame an October gift. No other birth month offers this much color. Opal holds every hue at once, and tourmaline comes in more colors than any gem on earth.
That gives you a rare gift of freedom: you can match your giftee’s favorite color almost exactly. Love pink? There’s pink tourmaline. Can’t choose? Opal or watermelon tourmaline holds several colors together. For a colorful, joyful personality, October’s stones are a perfect fit.
Frequently Asked Questions
What is October’s birthstone?
October has two birthstones: opal and tourmaline. Opal is famous for its rainbow play-of-color, while tourmaline comes in more colors than any other gem, including the popular pink-and-green watermelon variety. This gives you lots of choice for October birthstone jewelry.
Is watermelon tourmaline an October birthstone?
Yes. Watermelon tourmaline is a variety of tourmaline, which is an October birthstone alongside opal. Its unique pink-center, green-rim pattern makes it a colorful, one-of-a-kind gift for anyone born in October.
Which October birthstone is best for a gift?
It depends on the giftee. Opal suits romantic, whimsical people who love a magical, one-of-a-kind stone, while tourmaline suits those who love vivid color and versatility. Pendants and earrings are the most universally flattering, low-risk choices for both delicate stones.
Are opal and tourmaline durable enough for daily wear?
Both are on the delicate side. Opal is soft and water-sensitive, and thin tourmaline slices can chip, so both do best in protective settings with gentle care. Pendants and earrings face fewer knocks than rings, making them safer for everyday wear.
What is the most colorful birthstone?
October’s stones are arguably the most colorful of all. Opal shows a rainbow of shifting hues in a single stone, and tourmaline occurs in more colors than any other gem. Together they make October the most colorful birth month for jewelry.
Where to Go From Here
October’s two birthstones make gifting a joy: pick opal for magical, romantic rainbow fire, or tourmaline for vivid, versatile color, including the one-of-a-kind watermelon variety. When unsure, a pendant or earrings please almost anyone, and both stones simply need gentle care.
To see every month’s stones, visit our birthstones by month guide, or explore the zodiac connection in our zodiac birthstones guide. To learn more about gemstones in general, browse our types of gemstones guide or our crystal meanings chart.
Shopping for an October birthday? Tell us who it’s for in the comments, and we’ll help you choose.
