12 Unique Engagement Rings
Antique and vintage rings carry the allure of history, superior craftsmanship, and truly one-of-a-kind engagement rings that stand apart from modern mass-produced styles. Whether you’re drawn to the lush filigree of the Edwardian era, the graphic lines of Art Deco, or the sentimental details of Georgian and Victorian pieces, each antique engagement ring in our collection offers a story as unique as your love.
Discover your perfect heirloom—explore these 12 unique antique engagement rings and find a timeless symbol that will be cherished for generations to come.
1. Early 20th Century Platinum Double Square Ring set with Two Princess Cut Diamonds
If you’re in the market for unique engagement rings, this rare platinum treasure from the 1920s might just steal your heart. It showcases a bold pair of square Princess-cut diamonds (about 0.41 ct each), expertly set with a subtle rub-over and delicate millegrain finish. Framing them is a halo of petite, claw-set old-mine-cut diamonds nestled in scalloped settings that echo the era’s timeless elegance.
Despite its vintage pedigree, this ring sits snug and low on the finger—perfect for everyday wear without sacrificing style. A truly one-of-a-kind piece that proves practicality and personality can go hand in hand.
2. Early 20th Century French 18ct White Gold & Platinum, Sapphire & Diamond Cluster Ring with Calibre Cut Sapphires on the Outside
If you’re hunting for unique engagement rings, this circa-1920 French Art Deco masterpiece deserves a spot on your shortlist. Crafted in 18ct white gold and platinum, its centrepiece is a vivid cornflower-blue sapphire, claw-set and encircled by ten brilliantly matched white diamonds. The scalloped edge, inlaid with precision-cut calibre sapphires, adds a whisper of colour contrast, while delicate millegrain detailing highlights the ring’s handcrafted pedigree.
Despite its vintage provenance, it’s designed to sit low on the finger—ideal for daily wear without compromising on charm. A true conversation starter, this ring blends Art Deco flair with modern practicality, making it a standout choice for anyone seeking a unique engagement ring.
3. French 18ct White Gold Pink Tourmaline & Diamond Ring by André Vassort
If you’re hunting for unique engagement rings, this exquisite André Vassort creation deserves your attention. Bearing the maker’s mark he registered in December 1955, Vassort’s Paris workshop—trusted by Van Cleef & Arpels, Boucheron, Mauboussin and more—became synonymous with mid-century French luxury.
This 18 ct white-gold ring is claw-set with a striking pink tourmaline of just over five carats, surrounded by brilliant-cut diamonds in an artful indented halo. The result is a piece that marries bold colour with refined geometry—a true testament to Vassort’s masterful craftsmanship and an unforgettable choice for a unique engagement ring.
4. Edwardian 18ct Gold, Two Stone Diamond Crossover Ring
This circa 1910–1920 18 ct gold crossover ring is the epitome of timeless elegance. Two sparkling transition-cut diamonds—crisp, well-matched white stones totalling about two carats—are set to follow the gentle curve of its overlapping bands, creating a seamless flow of light across the finger.
Born in the early 1900s yet still coveted today, its low-profile fit makes it as comfortable for everyday wear as it is striking at first glance. For anyone on the hunt for unique engagement rings, this refined vintage design strikes the perfect balance between classic charm and modern practicality.
5. Edwardian 18ct Gold Three Stone Ring set with Green Garnets & Diamonds
Circa 1910–1920, this 18 ct gold stunner is set with three vivid apple-green demantoid garnets (≈1.18 ct total), their fiery brilliance punctuated by old mine-cut diamonds nestled between each stone. Discovered in Russia’s Ural Mountains in 1868 and named for their diamond-like sparkle, demantoids remain among the rarest garnets—making this piece truly exceptional.
Designed with a low-profile band, it hugs the finger comfortably for everyday wear. Perfect for couples seeking unique engagement rings, this demantoid-and-diamond creation marries historic intrigue with modern practicality.
6. Early 20th Century Platinum, Diamond Cluster Ring with Cognac Diamond in the Centre
Circa 1920, this platinum marvel showcases a warm, natural cushion-cut cognac diamond weighing a full 1.50 carats, its rich hue amplified by two concentric rows of petite, brilliant-cut diamonds—each meticulously claw-set for maximum sparkle. A certification accompanies the ring, attesting to the stone’s authentic, natural origins and underscoring its one-of-a-kind allure.
The low-profile design sits snugly against the finger, marrying vintage sophistication with everyday ease. Ideal for anyone seeking unique engagement rings, this piece strikes the perfect balance between historic elegance and practical wearability.
7. Art Deco 14ct White Gold Ring set with a Large Teal Coloured Sapphire Surrounded by Diamonds
For those who crave a real showstopper, this 1920s German creation delivers in spades. At its heart sits a teal sapphire just under 6.5 carats—an enchanting blend of ocean-blue and forest-green—securely held by elegant claw mounts. A scalloped collet halo of perfectly matched diamonds adds Art Deco flair and extra brilliance.
Despite its dramatic gemstone, the low-profile setting hugs the finger for easy, everyday wear. A standout choice for anyone seeking unique engagement rings, this bold yet wearable design proves that practicality and presence can go hand in hand.
8. Early 20th Century Platinum, Ruby & Diamond Cluster Ring with Diamond Set Shoulders
This circa 1920 platinum treasure artfully bridges the gap between soft vintage curves and bold Art Deco geometry. At its heart lies a brilliant transition-cut diamond cradled in a sleek hexagonal bezel, flanked by two vibrant rectangular rubies for a pop of rich color. Above and below, graceful waves of graduated diamonds cascade outward, while delicate millegrain accents along the shoulders add an artisanal touch.
Low-profile and perfectly balanced, it hugs the finger for effortless daily wear—ideal for anyone searching for unique engagement rings that blend historic charm with modern flair.
9. Art Deco Platinum & Iridium Snake Ring set with Diamonds
This circa 1930–1940 American Art Deco serpent ring is a masterpiece in platinum and iridium—materials chosen for their enduring strength. A pear-shaped diamond forms the snake’s head, while its winding body shimmers with graduated baguette diamonds, each precision-set to evoke a lifelike scaled effect.
Symbolizing “eternal love and wisdom,” this snake motif offers both meaning and style, with a low-profile design that makes it perfectly suited for everyday wear. For anyone after unique engagement rings, this sinuous Art Deco treasure strikes the perfect balance between bold symbolism and wearable elegance.
10. 18ct Gold & Platinum 18ct Gold Cluster Ring set with a Mint Green Tourmaline & Diamonds by Charles Green & Sons
Crafted in 1963 by Charles Green & Sons, this distinctive 18 ct gold ring showcases a mesmerizing chrome tourmaline that shifts from forest green to mint green—its color-change brilliance driven by traces of chromium and the gem’s unique light absorption. Sixteen petite, brilliant-cut diamonds form a delicate halo around the center stone, accentuating its vibrant hues with refined sparkle.
Designed with a slim, low-profile band, it hugs the finger comfortably for daily wear—making it not just a jewel but a statement. For anyone seeking unique engagement rings, this rare chrome-tourmaline-and-diamond creation is a truly unforgettable choice.
11. French Import 19th Century 18ct Gold Ring set with a Large Emerald surrounded by Diamonds
Circa 1880, this late-Victorian 18 ct gold ring centers a natural Colombian emerald—an octagonal cut of about 1.60 carats, its vivid, saturated green brought to life by a claw setting and open gallery that flood the stone with light. Sixteen sparkling old-mine-cut diamonds form a halo around the emerald, adding antique charm and extra fire.
The shank’s fluted, woven design gracefully widens as it meets the top, lending the ring an unmistakable sense of importance on the finger. Accompanied by a gemmological certificate, this piece makes a breathtaking unique engagement ring —or an unforgettable dress ring—for anyone who values historic elegance and standout style.
12. Art Deco 18ct Gold & Platinum, Emerald & Diamond Target Ring
Circa 1920, this charming Edwardian “target” cluster ring brings old-world romance to life in 18 ct gold with a platinum top. At its heart sits a transition-cut diamond, superbly rub-over and millegrain set like a tiny bull’s-eye. Surrounding it are petite calibre-cut emeralds in a sleek tram-line bezel, while the scalloped outer circle of small diamonds—and four additional diamonds nestled into each shoulder—complete the concentric design once used to send secret love messages.
Despite its intricate craftsmanship, the ring hugs the finger with a low-profile band, making it as comfortable for daily wear as it is captivating at first glance. For anyone on the hunt for unique engagement rings, this whimsical, symbol-laden target motif is an extraordinary choice.
AJC Engagement Rings
The Antique Jewellery Company is proud to be one of the world’s leading online destinations for antique jewellery. Our collection of antique engagement rings spans from 1714 to pre-loved rings from recent years.
Our founder, Olly Gerrish, has over 40 years of experience with antique jewellery and is an expert in her field. She puts her respected name behind every piece of jewellery we sell.

Antique rings have a subtle, sparkling allure, a story to tell. Plucked from moments in time, their next chapter is yours.
We hope you enjoy exploring our ever-changing collection and look forward to meeting you at our London showroom, should you wish to come and see them for yourself. We never rush our clients or pressure them into buying and welcome any questions you have about the condition, size of stones, age or even just finding the right style for your wife-to-be.
We also offer Free Worldwide Returns, so you can order from our website safe in the knowledge that you can return the item if it isn’t perfect.