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Engagement rings weren't always dazzling. The earliest were iron bands: simple, almost austere. The tradition dates back to ancient Rome, where rings given as a promise of wedding were first made of iron and later, increasingly, gold. The circle already carried its meaning: a line with no beginning or end, symbolizing love without end.
The turning point came in 1477. Archduke Maximilian of Austria began a new tradition when he gave Mary of Burgundy an engagement ring set with diamonds in the shape of an “M.” Chosen for its exceptional hardness, the diamond became a symbol of fidelity. For another three centuries, however, such a gesture remained the preserve of royal courts: deposits were scarce, and the stones were prohibitively expensive.
Everything changed in the mid-19th century. Miners discovered major deposits in South Africa, and diamond engagement rings gradually became accessible to far more people. But an ad campaign would transform the tradition for good: in 1947, the De Beers slogan “A Diamond Is Forever” turned the diamond ring into a universal symbol. Within twenty years, 80% of American brides wore a diamond, establishing a tradition that continues today.
In the 2010s, the diamond ring's dominance began to ease as couples explored other forms of luxury, colored gemstones, and more personal jewelry. Today's engagement ring no longer follows a single formula. What hasn't changed is what it means: a promise chosen, given, and worn.
A bit of history: In 1796, Napoleon Bonaparte proposed to Joséphine with a “Toi et Moi” ring featuring a sapphire and a diamond side by side. It's a reminder of this style's lasting appeal: some designs endure for centuries without looking dated.
Engagement rings fall into a few main styles. Knowing the terms makes it easier to find a look that fits without getting lost in a catalog.
A single stone sits high on a plain band. Here, the stone takes center stage; the setting simply lifts it. This style ages especially well and pairs naturally with any wedding ring. A classic solitaire suits every style and looks beautiful alongside any wedding ring.
It has the same structure as a solitaire, but small diamonds line some or all of the band. The pavé setting adds sparkle and brings out the beauty of the center stone. Keep in mind that a pavé ring needs more careful maintenance than a plain band, and resizing may be more complicated depending on the design.
A halo creates an optical effect: a circle of small diamonds makes the center stone look larger than it is. It's worth considering if you want maximum visual impact without necessarily spending more on the center stone's carat weight. It works just as well with a white diamond as with a colored gemstone, giving either a polished look. The result is sophisticated, with a subtle vintage feel depending on the setting.
Two stones flank the center stone in a symmetrical design reminiscent of fine jewelry from the 1920s through the 1940s. These rings often have a retro, Art Deco charm that appeals to anyone drawn to vintage-inspired jewelry. A three-stone solitaire adds visual presence without the extravagance of a halo.
Two stones sit side by side to form one piece of jewelry. That's the beauty of it: each stone represents a person, and together they tell a story. The choice of stones, their type, color, and respective sizes, makes this style deeply personal. Whether you choose two matching diamonds or pair a diamond with a colored gemstone, every combination creates a different piece of jewelry.
Where a halo forms a continuous frame around the stone, a daisy design has distinct petals that give the jewelry the shape of a flower. The difference is subtle to describe but obvious at a glance. They're two different looks with two different inspirations: one mineral, the other botanical. The design works especially well with colored center stones, whose hues contrast with the sparkle of the diamond petals and emphasize the floral effect.
Asymmetrical shapes, architectural lines, unusual settings, multiple stones: a creative ring breaks with convention to make a truly distinctive piece of jewelry. It's for someone who wants jewelry that feels genuinely their own, even if it departs from tradition. It works best worn alone or with a simple wedding ring.
The stone is the heart of an engagement ring. It catches the light, carries the symbolism, and often shapes the budget.
The natural diamond remains the top choice: timeless and a symbol of purity. Its exceptional brilliance gives it a radiance all its own. A white diamond goes with everything, from everyday outfits to special-occasion looks, and its hardness is unmatched at 10 on the Mohs scale. Together, its sparkle, versatility, durability, and symbolism keep it the benchmark.
An important distinction: Diamond is the hardest gemstone; only another diamond can scratch it. But it isn't indestructible: a hard blow at the right angle can split it. Avoid wearing your ring for DIY projects, gardening, or workouts.
Diamonds have four internationally recognized quality criteria, known as the 4Cs: Carat, Color, Clarity, and Cut. Understanding them helps you compare stones and make smart choices for your budget. For more, see our complete diamond guide.
Carat - the weight. One carat equals 0.20 grams. The word comes from the Arabic “qirat,” referring to the carob seed used as a weight standard in ancient times. The higher the carat weight, the larger the stone, and its price rises exponentially rather than linearly. In Europe, engagement ring diamonds commonly weigh between 0.30 and 1 carat.
Color - the absence of tint. Diamond color is graded on a letter scale from D (most colorless) to Z (most yellow). For a white gold or platinum ring, D through H colors are ideal. With yellow or rose gold, H through J shades pair better, as the warm metal helps mask slight tints.
Clarity - what lies inside. Diamonds almost always contain small inclusions, traces of how they formed in the Earth's crust. For an engagement ring, VS2 clarity or higher is recommended: imperfections aren't visible to the naked eye, so you can avoid paying a premium for higher grades.
Cut - the only human-controlled characteristic. Cut determines how a stone reflects light. Experts recommend choosing an Excellent cut first, then adjusting carat weight accordingly. A well-cut stone will look more brilliant than a heavier stone with poor proportions.
Any center diamond over 0.30 carat should have a certificate from a recognized independent laboratory. The two leading international authorities are GIA (Gemological Institute of America) and HRD (Hoge Raad voor Diamant, Antwerp). Think of the certificate as the stone's ID: it documents its objectively measured 4Cs and helps protect against fraud.
At Ocarat, center diamonds over 0.30 carat come with a GIA or HRD certificate. Ocarat does not certify diamonds itself: these independent laboratories certify the stones beforehand and verify their authenticity.
A white diamond isn't the only option anymore! More and more couples are exploring alternatives, with each precious gemstone bringing its own symbolism and color palette.
Sapphire, Emerald, Ruby, Aquamarine, Morganite, and Tanzanite Engagement Rings
Sapphire (hardness 9/10) is the most versatile colored gemstone for jewelry worn every day. Its resistance to wear is close to a diamond's. It also comes in a wider range of colors than many people realize, from deep blue and pale pink to yellow and white.
Emerald (hardness 7.5/10) needs more care than sapphire or diamond, so choose a setting that protects it. In return, it offers an especially intense, unmistakable color. Every natural emerald is unique, with its own internal inclusions, which gemologists call the stone's “garden.”
Ruby (hardness 9/10) shares sapphire's durability and mineral family: corundum. The only difference is color; chromium gives ruby its characteristic red. It's the only one of the four precious gemstones without a neutral-colored variety. Choosing a ruby means choosing a bold color.
Aquamarine, morganite, and tanzanite round out the options for a more distinctive choice. For everyday wear, a useful rule of thumb is to choose a stone with a hardness of at least 7 on the Mohs scale and a setting that protects it well.
The metal determines the jewelry's overall color, how its appearance holds up, and how it ages.
For a closer look at each metal and its properties, see our precious metals guide.
White Gold, Yellow Gold, Rose Gold, and Platinum Engagement Rings
White gold is bright and neutral, highlighting diamonds and light-colored stones. Its silvery color comes from rhodium plating, a surface layer that gradually wears off and needs to be renewed by a jeweler every 2 to 3 years.
Yellow gold is the historic metal of fine jewelry, warm and timeless. Its color doesn't fade over time and requires no special maintenance. Especially flattering on medium skin tones, it has made a strong comeback in recent years. Our gold guide explains its different purities (750/1000 Gold and 375/1000 Gold).
Rose gold is romantic and contemporary. Its color stays consistent over time without a surface treatment. It pairs especially well with pink stones (morganite and pink sapphire) and flatters fair and rosy complexions.
Platinum is naturally white, 95% pure, and requires no rhodium plating. It keeps its color indefinitely and develops a subtle matte patina over time. Heavier and more expensive than gold jewelry, it's a choice for those who want the highest standards. It's also hypoallergenic and ideal for sensitive skin. Learn more in our platinum guide.
Metal quality affects the durability of jewelry. For everyday wear, 750/1000 Gold (18K) is recommended: it resists wear and oxidation better than 375/1000 Gold (9K). The latter is more affordable and suits some budgets, but it ages differently.
It's worth thinking about this when choosing an engagement ring, even if the wedding is still a long way off. In France, both rings are traditionally worn on the left ring finger. The wedding ring goes on first, closest to the heart, with the engagement ring above it.
In practice, it all comes down to proportions. If the center stone sits high or is very large, a straight wedding ring may not sit flush against the engagement ring. You have two options: a contoured wedding ring designed to follow the engagement ring's shape, or wearing the two rings on different hands, as many people do.
Explore our selection of wedding bands to find the perfect match for your ring.
If wearing both rings on the same finger matters to you, plan ahead: choose an engagement ring with a straight band and a reasonably sized stone, or try the two rings together before buying the wedding ring.
Metal tip: Coordinate your colors. A white gold ring and a yellow gold wedding ring will age differently and may create an unintended contrast over time. If you want two different metals, choose an intentional contrast. White gold and rose gold, for example, work well together.
Getting this right is often the biggest worry when you're choosing a ring on your own. Here are a few reliable approaches.
Discreetly borrowing a ring worn on the left ring finger is still the most reliable method. A jeweler can measure it accurately in seconds without stretching or damaging it.
Ring sizers: Order a plastic ring sizer from Ocarat or use our free printable ring sizer. Be sure to print at actual size (100%) and measure at room temperature, as finger size can vary slightly with heat or physical activity.
Estimating from a description: overall size, finger shape (slender or broad), and wrist size. An experienced jeweler can make a fairly accurate estimate from these details.
Whatever you choose, check before buying whether the ring can be resized after delivery. Ocarat offers resizing for the vast majority of solitaires. It's more complicated for fully pavé rings or certain creative designs with unusual bands, so feel free to contact customer service before ordering to confirm.
There's no universal rule for how much to spend. The American “three months' salary” guideline was a De Beers marketing invention, not a tradition. In France, each couple makes a choice that fits their means and values.
To shop with confidence, it's more useful to understand what drives the price than to rely on fixed price ranges. Gold and diamond prices fluctuate regularly, and retail prices change with them. Here are the factors that matter:
| Your Profile | Recommended Metal | Recommended Shape | Finish |
|---|---|---|---|
| Medium or Tanned Skin | 750/1000 Yellow Gold | Comfort-Fit Half-Round Band | Polished |
| Fair or Rosy Skin | White Gold, Rose Gold, or Platinum | Flat or Half-Round Band | Polished or Satin |
| Contemporary Style | White Gold or Rose Gold | Flat Band | Satin / Brushed |
| Timeless Classic Style | 750/1000 Yellow Gold | Comfort-Fit Half-Round Band | Polished |
| Very Active Lifestyle | Yellow Gold, Platinum, or Titanium | Round or Half-Round Band | Polished |
| Understated Engagement Ring | White Gold + Diamonds | Pavé Half-Round Band | Polished |
| Embellished Engagement Ring | Solid Gold | Comfort-Fit Half-Round Band | Polished or Satin |
| Budget-Conscious | 375/1000 Gold or 925/1000 Silver | Flat or Half-Round Band | Polished |
| The Highest Standards | 950/1000 Platinum | Your Choice | Polished |
Metal tip: Coordinate your colors. A white gold ring and a yellow gold wedding ring will age differently and may create an unintended contrast over time. If you want two different metals, choose an intentional contrast. White gold and rose gold, for example, work well together.
Here's a quick guide to help you choose based on the style of the person who will wear the ring:
| Factor | Impact on Price |
|---|---|
| Carat Weight | Exponential increase: at the same quality, doubling the carat weight multiplies the price by 4 to 5 |
| Color (D to Z) | A difference of a few color grades can mean a significant price change, with a greater impact as stone size increases |
| Clarity (IF to SI) | The price difference between a very high clarity grade (IF) and a more common grade (VS2) can be substantial, even when the stones look similar to the naked eye |
| Cut | At the same weight, an Excellent cut can make a noticeable difference compared with an average cut. It's the factor that most affects a stone's beauty |
| 750/1000 Gold vs. 375/1000 Gold | 750/1000 Gold costs more upfront but holds up better over time, making the price difference worthwhile over years of wear |
| Platinum vs. White Gold | At the same weight, platinum jewelry costs noticeably more and offers a naturally white metal that needs no rhodium plating |
| Setting Style | Simple solitaire: the least expensive setting. Fully pavé or halo: more setting work and a higher price |
Explore Ocarat's wide selection of engagement rings, from diamond solitaires and gemstone-set rings to colored precious gemstones, in yellow gold, rose gold, white gold, and platinum. Enjoy free shipping in mainland France and Belgium, with the option to pay in 4 interest-free installments.
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