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How to Choose a Birthstone Ring
How to Choose a Birthstone Ring
To choose a birthstone ring, start with the month, then check how hard that stone is, because a ring takes more knocks than any other jewelry. Match the setting to the stone (bezels protect softer gems), pick a metal that flatters its color, and confirm the ring size on the listing. Hard stones like sapphire, ruby and diamond suit daily wear. Softer ones like opal and pearl are better kept for occasions.
That is the short version. The rest of this guide explains each step, with the hardness of every birthstone in one table and examples from our birthstone rings so you can see what each choice looks like on a real piece.
From the Birthstone Company collection
A March birthstone in warm gold
This aquamarine ring shows most of what we look for in a ring meant for daily wear. Aquamarine rates 7.5 to 8 on the Mohs scale, the oval stone sits between two small natural diamonds, and the 10K yellow gold band is hard enough to handle everyday contact.
Find the birthstone, then check its hardness
Most people already know their month. If you are buying for someone else, our month-by-month birthstone finder lists every stone, including the months that have two, three or four.
Hardness is where a ring differs from a necklace. The Mohs scale runs from 1 to 10 and measures how well a stone resists scratching. Everyday dust contains quartz, which rates 7, so stones below 7 slowly lose their polish when they are worn on a hand. Here is how every birthstone compares.
| Month | Birthstone | Mohs hardness | As a ring |
|---|---|---|---|
| January | Garnet | 6.5 to 7.5 | Good for daily wear with some care |
| February | Amethyst | 7 | Good for daily wear |
| March | Aquamarine | 7.5 to 8 | Very good for daily wear |
| April | Diamond | 10 | Excellent; the hardest gem |
| May | Emerald | 7.5 to 8 | Use a protective setting; inclusions make it brittle |
| June | Pearl, Alexandrite, Moonstone | 2.5 to 4.5, 8.5, 6 to 6.5 | Alexandrite for daily wear; pearl and moonstone for occasional wear |
| July | Ruby | 9 | Excellent for daily wear |
| August | Peridot, Spinel | 6.5 to 7, 8 | Spinel for daily wear; peridot with care |
| September | Sapphire | 9 | Excellent for daily wear |
| October | Opal, Tourmaline | 5 to 6.5, 7 to 7.5 | Tourmaline for daily wear; opal for occasional wear |
| November | Topaz, Citrine | 8, 7 | Good for daily wear |
| December | Blue Topaz, Tanzanite, Turquoise, Zircon | 8, 6 to 7, 5 to 6, 6 to 7.5 | Blue topaz for daily wear; tanzanite and turquoise with care |
Hardness is only part of the picture. Toughness, a stone's resistance to chipping and breaking, matters too. Topaz rates 8 but can split along a cleavage plane if it takes a sharp blow, and emerald is usually included enough that jewelers treat it gently despite its 7.5 to 8 rating.
Which birthstones hold up to everyday wear
For a ring that never comes off, we point people toward the top of the table. Diamond is the obvious one. Ruby and sapphire are the next best at 9, and both are corundum, so they share the same toughness. Alexandrite, spinel and topaz round out the list of stones that handle desk work, gym bags and dishwashing without much fuss.
The middle group, garnet, amethyst, citrine, aquamarine, tourmaline and peridot, is fine for regular wear if you take the ring off for gardening, cleaning and the gym. Plenty of people wear these every day for years. They may need a professional repolish now and then.
Opal, pearl, turquoise and moonstone are the stones we suggest saving for evenings out. If an October opal is the stone that matters to you, a pendant may serve you better day to day, or a tourmaline ring can carry the October color with more durability.
From the Birthstone Company collection
Two stones rated 9 for daily wear
Both of these use corundum. The ruby sits in four prongs on rhodium-plated sterling silver, with white sapphire accents. The stackable ring sets a lab-created sapphire in a bezel on a 2 mm band of 14K yellow gold.
For a ring worn every day, we give hardness more weight than we would for earrings or a pendant.
Color, cut and size within one stone
Once you know the stone, look closely at color. With colored gems, color usually matters more than anything else. Look for an even, saturated tone that is neither so pale it washes out nor so dark it looks black indoors. Garnet ranges from deep red to raspberry rhodolite, and amethyst runs from soft lilac to deep violet. Pick the shade the wearer would choose for a sweater, and you will rarely go wrong.
Shape changes the look as much as color. Ovals and pears lengthen the finger, rounds give the most sparkle, and an emerald cut shows off clarity. On a slim band around 2 mm wide, a smaller stone keeps the ring in proportion and sits lower, so it catches less. A larger center stone makes a bolder statement but stands taller off the finger.
Clarity expectations vary by stone. Aquamarine and topaz are usually eye-clean. Emerald almost always shows inclusions, and most emeralds on the market are oiled or resin-treated to improve their look, which is why product pages list the treatment.
These three show how much the stone changes a ring. The oval garnet sits in four prongs on 14K white gold with a diamond on each side. The emerald is oiled and resin-treated and sits on a twisted 10K yellow gold band. The heat-treated amethyst is set on its own in rhodium-plated sterling silver, so the stone does all the work.
Prong, bezel or halo: matching the setting to the stone
Prongs are small metal claws that hold the stone up so light reaches it from the sides. They give the most sparkle and suit hard stones well. Four prongs show more of the gem; six hold it more securely. Check them every few months, because a bent prong is the most common way a ring loses its stone.
A bezel wraps a thin rim of metal around the stone's edge. It keeps the profile low, catches less on sweaters and protects the girdle, the edge where most chips start. That makes it the setting we recommend for softer stones such as tanzanite, which rates 6 to 7 and can cleave if struck.
A halo surrounds the center stone with a ring of smaller ones. It makes the center look larger and adds sparkle, and the frame of metal gives some protection to the center stone's edge. Halos have more small stones to check, so they need a little more upkeep than a solitaire.
From the Birthstone Company collection
A bezel and a halo, side by side
The tanzanite ring sets each round, heat-treated stone in its own bezel on a 2 mm sterling silver band, with a diamond accent. The halo ring takes the opposite approach: an oval lab-created blue sapphire framed in diamonds on a 1.75 mm band of 14K white gold.
Gold or sterling silver?
Metal affects how a ring wears and how its stone looks. Karat tells you how much pure gold is in the alloy: 14K is 14 parts gold out of 24, and 10K is 10 parts out of 24. That makes 10K slightly harder and less costly, while 14K has a richer color. Both make a durable ring.
Sterling silver is softer than gold and tarnishes over time. The sterling rings in this guide are all rhodium-plated, which gives a bright white finish and slows tarnish. White gold is usually rhodium-plated too. On a ring, that plating wears first on the palm side and can be redone by a jeweler.
For color, a simple rule works. Warm stones like garnet, ruby and citrine glow in yellow gold. Cool stones like aquamarine, sapphire and blue topaz look crisp in white gold or silver. Then break the rule if the wearer only ever wears one metal. Matching what they already own counts for more.
The peridot ring sets its green oval stone in four prongs on rhodium-plated 14K white gold, which keeps the green cool and clear. The Swiss blue topaz goes the other way, on a twisted band of 10K yellow gold. That topaz is irradiated, which is how nearly all blue topaz gets its color.
Natural, lab-created or simulated
A natural stone formed in the earth. A lab-created gemstone has the same chemistry, hardness and optical properties but was grown in a laboratory, so a lab-created sapphire is still sapphire. A simulant only imitates the look. Cubic zirconia standing in for a birthstone color is the common example, and it does not share the real stone's properties.
All three have a place. Lab-created stones often offer cleaner color for less money, while a natural stone carries the story of where it came from. Our product pages say whether a stone is natural or lab-created, and many also list treatments such as heating or irradiation, so you can compare like with like.
Getting the size right
Many of the gold birthstone rings in this guide are made in one size, which is named in the product title, so check it before you order. Measure the finger at the end of the day, when it is slightly larger, and remember that a wider band fits more snugly than a slim one of the same size.
If the ring is a surprise, borrow one the wearer already wears on the same finger and have it measured, or compare it against a ring sizing chart. Knuckles matter too: the ring has to slide over the knuckle and still sit securely.
Rings for more than one birthstone
Birthstone rings often mark a family. A mother might wear one band for each child, and a couple might pair their two months. Stackable rings handle this neatly because each band carries one stone, and you can add another band later as the family grows.
When stacking, keep band widths close so the rings sit evenly, and stay with one metal or deliberately mix two. Put the hardest stones on the outside of the stack, where they take the most contact.
These two come from the same stackable collection in 14K white gold. The citrine is heat-treated and prong-set on a 2 mm band. The rhodolite garnet ring pairs garnet with diamond on a 2.5 mm band. Together they could stand for a January and a November birthday on one hand.
Caring for a birthstone ring
Take the ring off for cleaning, gardening, swimming and heavy lifting. Clean most stones with warm water, mild soap and a soft brush. Keep opal, pearl, emerald and tanzanite away from ultrasonic and steam cleaners, and store rings separately so harder stones do not scratch softer ones. Have the prongs checked once a year.
Birthstone ring questions
What is the most durable birthstone for a ring?
Diamond, the April stone, rates 10 on the Mohs scale and is the hardest. Ruby and sapphire follow at 9, then alexandrite at 8.5 and topaz and spinel at 8. Any of these suits a ring worn every day.
Can I wear an opal or pearl birthstone ring every day?
You can, but expect wear. Pearl rates 2.5 to 4.5 and opal 5 to 6.5, so both scratch and chip more easily than harder stones. Many people save these rings for occasional wear, or choose a pendant or earrings for daily use.
Is 10K or 14K gold better for a birthstone ring?
10K gold has more alloy metal, so it is a little harder and costs less. 14K gold has more pure gold and a richer color. Both are durable for a ring; the choice usually comes down to budget and the shade of gold you prefer.
Are lab-created birthstones real gemstones?
Yes. A lab-created sapphire or ruby has the same chemical makeup, hardness and optical properties as a mined one. It is grown in a laboratory instead of the earth, and our product pages say which one you are buying.
What setting protects a birthstone best?
A bezel, which wraps a rim of metal around the stone, protects it best. A halo gives the center stone a frame of smaller stones, and prongs let in the most light but leave the edges more exposed.
Can a birthstone ring be resized?
It depends on the ring. Many birthstone rings, including several in this guide, are listed in a single size, so check the size named on the product page and measure the finger before you order.
Related guides
For gift ideas across every jewelry type, see our birthstone jewelry gift guide. Shopping for the holidays? Our birthstone Christmas gift guide sorts pieces by recipient. The October birthstone guide covers opal and tourmaline in more depth.
Ready to choose? Browse our birthstone rings by month, stone and metal.
