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20ct Brilliant Diamond Ring

Circa 1930s 14K White Gold Diamond .20ct Old European Brilliant Engagement Ring
Circa 1930s 14K White Gold Diamond .20ct Old European Brilliant Engagement Ring

Circa 1930s 14K White Gold Diamond .20ct Old European Brilliant Engagement Ring

Located in Hicksville, NY

Circa 1930s 14K White Gold Diamond .20ct Old European Brilliant Engagement Ring - VHK#56 Item Details: Year: 1930s Ring Size: 7 Metal Type: 14k White Gold [Hallmarked, and Tested] W...

Category

Vintage 1930s Engagement Rings

Materials

Diamond, White Diamond, Gold, 14k Gold, White Gold

Yellow Gold Diamond Vintage Solitaire Engagement Ring- 14k Round Brilliant .20ct
Yellow Gold Diamond Vintage Solitaire Engagement Ring- 14k Round Brilliant .20ct

Yellow Gold Diamond Vintage Solitaire Engagement Ring- 14k Round Brilliant .20ct

Located in Greensboro, NC

Size: 8 1/2 Sizing Fee: Up 2 sizes for $40 or Down 2 sizes for $40 Era: Vintage Metal Content: 14k Yellow Gold & 14k White Gold Stone Information Natural Diamond Carat(s): .20ct ...

Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 14k Gold, White Gold, Yellow Gold

Yellow Gold Diamond Heart Solitaire Ring - 14k Round Brilliant .20ct Love
Yellow Gold Diamond Heart Solitaire Ring - 14k Round Brilliant .20ct Love

Yellow Gold Diamond Heart Solitaire Ring - 14k Round Brilliant .20ct Love

Located in Greensboro, NC

Size: 1 3/4 Sizing Fee: Up 3 sizes for $30 or Down 3/4 of a size for $30 Metal Content: 14k Yellow Gold & 14k White Gold Stone Information Natural Diamond Carat(s): .20ct Cut: Rou...

Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, 14k Gold, White Gold, Yellow Gold

Circa 1930s 14K White Gold Diamond .20ct Old European Brilliant Engagement Ring
Circa 1930s 14K White Gold Diamond .20ct Old European Brilliant Engagement Ring

Circa 1930s 14K White Gold Diamond .20ct Old European Brilliant Engagement Ring

Located in Hicksville, NY

Circa 1930s 14K White Gold Diamond .20ct Old European Brilliant Engagement Ring - VHK#56 Item Details: Year: 1930s Ring Size: 7 Metal Type: 14k White Gold [Hallmarked, and Tested] W...

Category

Vintage 1930s Engagement Rings

Materials

Diamond, Gold, 14k Gold, White Gold

Jabel Diamond Solitaire Engagement Ring - Yellow Gold 14k Round Brilliant .20ct
Jabel Diamond Solitaire Engagement Ring - Yellow Gold 14k Round Brilliant .20ct

Jabel Diamond Solitaire Engagement Ring - Yellow Gold 14k Round Brilliant .20ct

By Jabel

Located in Greensboro, NC

Size: 6 1/2 Sizing Fee: Up 3 sizes for $35 or Down 2 sizes for $35 Brand: Jabel Metal Content: 14k Yellow Gold & 14k White Gold Stone Information Natural Diamond Carat(s): .20ct ...

Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 14k Gold, White Gold, Yellow Gold

Tiffany & Co. Diamond Solitaire Engagement Ring Platinum .20ct H/Vs1
Tiffany & Co. Diamond Solitaire Engagement Ring Platinum .20ct H/Vs1

Tiffany & Co. Diamond Solitaire Engagement Ring Platinum .20ct H/Vs1

By Tiffany & Co.

Located in New York, NY

TIFFANY & CO. DIAMOND SOLITAIRE ENGAGEMENT RING PLATINUM .20CT E/VS1 This charming Tiffany & Co. solitaire engagement ring contains one (1) round brilliant cut diamond set i...

Category

2010s Solitaire Rings

Materials

Diamond, Platinum

18K Rose Gold Ring with 20 Diamonds 0.42 ct and 7.88 ct Smoky Quartz
18K Rose Gold Ring with 20 Diamonds 0.42 ct and 7.88 ct Smoky Quartz

18K Rose Gold Ring with 20 Diamonds 0.42 ct and 7.88 ct Smoky Quartz

By Pradera Irama

Located in Neguri, Vizcaya

18K Rose Gold Ring with 20 Diamonds 0.42 ct and 7.88 ct Smoky Quartz MATERIALS ◘ Earrings Weight: 3,84 grams ◘ 1 quartz total 7,88 ct. ◘ 20 Diamonds total 0.42 ct. Diamond quali...

Category

21st Century and Contemporary Spanish Cluster Rings

Materials

Diamond, Quartz, Gold, 18k Gold, Rose Gold

Impressive 18kt  White Gold Ring with 20ct Honey Citrine, 4ct Diamonds
Impressive 18kt  White Gold Ring with 20ct Honey Citrine, 4ct Diamonds

Impressive 18kt White Gold Ring with 20ct Honey Citrine, 4ct Diamonds

Located in Antwerp, BE

Impressive solid white gold ring with big natural honey color citrine and diamonds Diamonds: brilliant cut diamonds, together ca. 4 cts Citrine: large citrine, ca. 20 cts Materi...

Category

21st Century and Contemporary Italian Modern Fashion Rings

Materials

Citrine, Diamond, 18k Gold

Recent Sales

20ct Natural Pearl & Diamond Leaf Motif 18k Gold Ring
20ct Natural Pearl & Diamond Leaf Motif 18k Gold Ring

20ct Natural Pearl & Diamond Leaf Motif 18k Gold Ring

Located in Miami, FL

This is a gorgeous vintage pearl and diamond ring. The leaf motifs are flexible and have a slide movement to it. Tremendous amount of craftsmanship and detailing went to make this p...

Category

21st Century and Contemporary Central American Medieval Cocktail Rings

Materials

Diamond, Natural Pearl, Gold, 18k Gold, Yellow Gold

ct 2, 20 Diamond 18 kt White Gold Solitaire Ring
ct 2, 20 Diamond 18 kt White Gold Solitaire Ring

ct 2, 20 Diamond 18 kt White Gold Solitaire Ring

Located in Marcianise, CE

Solitaire ring in 18kt white gold composed of one central shapely diamond with two encrusted diamonds on the both sides. Marquise Diamonds 2.20 ct Diamonds 0.25 ct tot weight 3.7gr ...

Category

Late 20th Century Italian Retro Solitaire Rings

Materials

Diamond, 18k Gold, White Gold

Tiffany & Co. Platinum .20ct Diamond Solitaire Engagement Ring w/ Original Box
Tiffany & Co. Platinum .20ct Diamond Solitaire Engagement Ring w/ Original Box

Tiffany & Co. Platinum .20ct Diamond Solitaire Engagement Ring w/ Original Box

By Tiffany & Co.

Located in Montclair, NJ

--Stone(s):-- (1) Natural Genuine Diamond - Round Brilliant Cut - Multi Prong Set - Nice Brilliant White Diamond - 3.70mm - 0.20ct (exact) Material: Solid .900+ Platinum (tested) -...

Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, Platinum

Diamond South Sea Pearl Ring 14k Gold 11.55 mm Women Certified
Diamond South Sea Pearl Ring 14k Gold 11.55 mm Women Certified

Diamond South Sea Pearl Ring 14k Gold 11.55 mm Women Certified

Located in Brooklyn, NY

Nothing says, “I Love you” more than Diamonds and Pearls. This item has been Certified, Inspected and Appraised by Gemological Appraisal Laboratory Gemological Appraisal Laboratory...

Category

2010s American Modern Wedding Rings

Materials

Diamond, South Sea Pearl, 14k Gold, White Gold

Yellow Gold Diamond Solitaire Ring - 18k Round Brilliant .20ct Engagement
Yellow Gold Diamond Solitaire Ring - 18k Round Brilliant .20ct Engagement

Yellow Gold Diamond Solitaire Ring - 18k Round Brilliant .20ct Engagement

Located in Greensboro, NC

Size: 6 1/2 Sizing Fee: Up 2 sizes for $40 or Down 3 sizes for $35 Metal Content: 18k Yellow Gold Stone Information Natural Diamond Carat(s): .20ct Cut: Round Brilliant Color: G C...

Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 18k Gold, Yellow Gold

Tiffany & Co. Metro Platinum Full Circle Eternity Diamond Band Ring .20 ct Sz6
Tiffany & Co. Metro Platinum Full Circle Eternity Diamond Band Ring .20 ct Sz6

Tiffany & Co. Metro Platinum Full Circle Eternity Diamond Band Ring .20 ct Sz6

By Tiffany & Co.

Located in New York, NY

A slender diamond band by Tiffany & Co. from the Metro collection, set in platinum PT950 with 36 round brilliant-cut diamonds in a pavé setting, totaling approximately 0.20 carats, F...

Category

21st Century and Contemporary Contemporary Band Rings

Materials

Diamond, Platinum

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Original Art Deco Diamond Ring Circa 1930
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14 Karat Yellow Gold and Diamond Heart Ring Size 7 #21376
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0.05 Carat Natural Diamond Heart Ring Band G SI 14k Yellow Gold
0.05 Carat Natural Diamond Heart Ring Band G SI 14k Yellow Gold

0.05 Carat Natural Diamond Heart Ring Band G SI 14k Yellow Gold

By Morris & David

Located in New York, NY

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14K Yellow Gold Vintage Diamond Solitaire Ring, .25ct, 2.3g
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14K Yellow Gold Diamond Solitaire Engagement Ring 1.00ct
14K Yellow Gold Diamond Solitaire Engagement Ring 1.00ct

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Located in Laguna Beach, CA

Diamond solitaire engagement ring with 14k yellow gold setting. Stamped 14k and weighs 2.9 grams. Six-prong setting. The diamond is a 1.00 carat round brilliant cut, I-J color, SI1-...

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0.13 Carat Diamond Heart Cluster Yellow Gold Fashion Ring
0.13 Carat Diamond Heart Cluster Yellow Gold Fashion Ring

0.13 Carat Diamond Heart Cluster Yellow Gold Fashion Ring

Located in Great Neck, NY

This stunning ring features a beautiful Heart Cluster of White Diamonds. This ring is set in 14K Yellow Gold. Total Diamond Weight = 0.13 Carats. Ring Size is 6 1/2.

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Located in London, GB

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Circa 1920s Old European Brilliant Diamond Engagement Ring

Located in Hicksville, NY

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20ct Brilliant Diamond Ring For Sale on 1stDibs

Surely you’ll find the exact 20ct brilliant diamond ring you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Frequently made of Gold, Yellow Gold and Silver, this item was constructed with great care. In our selection of items, you can find a vintage example as well as a contemporary version. Making the right choice when shopping for a 20ct brilliant diamond ring may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 19th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. Creating a 20ct brilliant diamond ring has been a part of the legacy of many jewelers, but those produced by Mark Broumand, Chaumet and Van Cleef & Arpels are consistently popular. Today, if you’re looking for a brilliant cut version of this piece and are unable to find the perfect match, our selection also includes round cut and antique cushion cut alternatives. If you’re browsing our inventory for a 20ct brilliant diamond ring, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is a 20ct Brilliant Diamond Ring?

The price for a 20ct brilliant diamond ring starts at $198 and tops out at $32,844 with these rings, on average, selling for $4,629.

Why Gold Shines in Jewelry Craftsmanship

Gold is the feel-good metal, the serotonin of jewelry. Wear vintage and antique gold necklaces, watches, gold bracelets or gold rings and you feel happy, you feel dressed, you feel, well, yourself. 

Gold, especially yellow gold, with its rich patina and ancient pedigree going back thousands of years, is the steady standby, the well-mannered metal of choice. Any discussion of this lustrous metal comes down to a basic truth: Gold is elementary, my dear. Gold jewelry that couples the mystique of the metal with superb design and craftsmanship achieves the status of an enduring classic. Many luxury houses have given us some of our most treasured and lasting examples of gold jewelry over the years.

Since its founding, in 1837, Tiffany & Co. has built its reputation on its company jewelry as well as its coterie of boutique designers, which has included Jean Schlumberger, Donald Claflin, Angela Cummings and Elsa Peretti. There are numerous gold Tiffany classics worth citing. Some are accented with gemstones, but all stand out for their design and the workmanship displayed.

For the woman who prefers a minimalist look, the Tiffany & Co. twist bangle (thin, slightly ovoid) is stylishly simple. For Cummings devotees, signature pieces feature hard stone inlay, such as her pairs of gold ear clips inlaid with black jade (a play on the classic Chanel black and tan), or bangles whose design recalls ocean waves, with undulating lines of lapis lazuli and mother-of-pearl. And just about any design by the great Jean Schlumberger is by definition a classic.

Even had he eschewed stones and diamonds, Southern-born David Webb would be hailed for the vast arsenal of heavy gold jewelry he designed. Gold, usually hammered or textured in some manner, defines great David Webb jewelry. The self-taught jeweler made very au courant pieces while drawing inspiration from ancient and out-of-the-way sources — East meets West in the commanding gold necklaces made by Webb in the early 1970s. The same could be said for his endlessly varied gold cuffs.

In Europe, many houses have given us gold jewelry that sets the highest standard for excellence, pieces that were highly sought after when they were made and continue to be so. 

Numerous designs from Cartier are homages to gold. There are the classic Trinity rings, necklaces and bracelets — trifectas of yellow, white and rose gold. As a testament to the power of love, consider the endurance of the Cartier Love bracelet.

Aldo Cipullo, Cartier’s top in-house designer from the late 1960s into the early ’70s, made history in 1969 with the Love bracelet. Cipullo frequently said that the Love bracelet was born of a sleepless night contemplating a love affair gone wrong and his realization that “the only remnants he possessed of the romance were memories.” He distilled the urge to keep a loved one close into a slim 18-karat gold bangle. 

BVLGARI and its coin jewelry, gemme nummarie, hit the jackpot when the line launched in the 1960s. The line has been perennially popular. BVLGARI coin jewelry features ancient Greek and Roman coins embedded in striking gold mounts, usually hung on thick link necklaces of varying lengths. In the 1970s, BVLGARI introduced the Tubogas line, most often made in yellow gold. The Tubogas watches are classics, and then there is the Serpenti, the house's outstanding snake-themed watches and bracelets.

A collection called Monete that incorporated the gold coins is one of several iconic BVLGARI lines that debuted in the 1970s and ’80s, catering to a new generation of empowered women. Just as designers like Halston and Yves Saint Laurent were popularizing fuss-free ready-to-wear fashion for women on the go, BVLGARI offered jewels to be lived in. 

Since Van Cleef & Arpels opened its Place Vendôme doors in 1906, collection after collection of jewelry classics have enchanted the public. As predominantly expressed in a honeycomb of gold, there is the Ludo watch and accessories, circa the 1920s, and the golden Zip necklace, 1951, whose ingenious transformation of the traditional zipper was originally proposed by the Duchess of Windsor. Van Cleef's Alhambra, with its Moroccan motif, was introduced in 1968 and from the start its popularity pivoted on royalty and celebrity status. It remains one of VCA’s most popular and collected styles.

Mention must be made of Buccellati, whose name is synonymous with gold so finely spun that it suggests tapestry. The house’s many gold bracelets, typically embellished with a few or many diamonds, signified taste and distinction and are always in favor on the secondary market. Other important mid-20th-century houses known for their gold-themed jewelry include Hermès and Ilias Lalaounis.

Find a stunning collection of vintage and antique gold jewelry on 1stDibs.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement rings, vintage engagement rings or Art Deco engagement rings. 

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.  

Finding the Right Rings for You

Antique and vintage rings have long held a special place in the hearts of fine jewelry lovers all over the world.

No matter their origin or specific characteristics, rings are timeless, versatile accessories. They’ve carried deep meaning since at least the Middle Ages, when diamond rings symbolized strength and other kinds of rings were worn to signify romantic feelings or to denote an affiliation with a religious order. Rings have also forever been emblematic of eternity.

Over time, rings have frequently taken the form of serpents, which have long been associated with eternal life, health and renewal. Italian luxury jewelry house Bulgari has become famous for its widely loved Serpenti motif, for example, and its Serpenti ring, like the other accessories in the collection, began as an homage to jewelry of the Roman and Hellenistic eras. The serpent is now a popular motif in fine jewelry. Jewelry devotees have long pined for rings adorned with reptiles, thanks to antique Victorian rings — well, specifically, Queen Victoria’s illustrious engagement ring, which took the form of a gold snake set with rubies, diamonds and an emerald (her birthstone). Designs for Victorian-era engagement rings often featured repoussé work and chasing, in which patterns are hammered into the metal.

Engagement rings, which are reliably intimidating to shop for, are still widely recognized as symbols of love and commitment. On 1stDibs, a range of buying guides can be found for those in the market for antique engagement rings, vintage engagement rings or Art Deco engagement rings. 

The most collectible antique engagement rings and vintage engagement rings are those from the Victorian, Edwardian and Art Deco eras. Named for the monarchies of the four King Georges, who in succession ruled England starting in 1714 (plus King William’s reign), antique Georgian rings, be they engagement rings or otherwise, are also coveted by collectors. Pearls, along with colored gemstones like garnets, rubies and sapphires, were widely used in Georgian jewelry. The late-1700s paste jewelry was a predecessor to what we now call fashion or costume jewelry. 

The Art Nouveau movement (1880–1910) brought with it rings inspired by the natural world. Antique Art Nouveau rings might feature depictions of winged insects and fauna as well as women, who were simultaneously eroticized and romanticized, frequently with long flowing hair. Art Deco jewelry, on the other hand, which originated during the 1920s and ’30s, is by and large “white jewelry.” White metals, primarily platinum, were favored over yellow gold in the design of antique Art Deco rings and other accessories as well as geometric motifs, with women drawn to the era’s dazzling cocktail rings in particular.

Whether you’re hunting down a chunky classic for a Prohibition-themed cocktail party or seeking a clean contemporary design to complement your casual ensemble, find an exquisite collection of antique, new and vintage rings on 1stDibs.

Questions About 20ct Brilliant Diamond Ring

  • 1stDibs ExpertSeptember 28, 2021
    A brilliant-cut diamond ring is cut in such a way that it has numerous facets. Due to its facets, it reflects the maximum light. Shop for antique and vintage brilliant-cut diamond jewelry today on 1stDibs.