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20 Carat Aquamarine Rings

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1960s GIA 20 carats Aquamarine Diamond Platinum Cocktail Ring
Located in Miami, FL
diamonds on a platinum mounting. Aquamarine is reported to be approx. 20 carats. From Natural Beryl
Category

Vintage 1960s Retro Cocktail Rings

Materials

Aquamarine, Diamond, Platinum

Retro Deep Blue 20 Carat Cushion Aquamarine Cocktail Ring
Located in Santa Barbara, CA
This cocktail ring features the most amazing aquamarine you've ever seen. The large, 20.75 carat
Category

Vintage 1940s Retro Cocktail Rings

Materials

Aquamarine, Diamond, Platinum

Retro Gold 20 Carat Natural Aquamarine and Diamond Cocktail Ring Circa 1960
Located in Los Angeles, CA
A magnificent 18K White Gold Aquamarine and Diamond Ring. The centerstone is an approximately 20
Category

Vintage 1960s Unknown Retro Cocktail Rings

Materials

Aquamarine, Diamond, Gold

Vintage 20 Carat Emerald Cut Aquamarine and RBC Diamond Gold Retro Ring
Located in Montreal, QC
Cut Aquamarine, weighing approx. 20 Carat. Both sides of ring Hand set with Round Brilliant Cut
Category

Mid-20th Century Retro Cocktail Rings

Materials

Aquamarine, Diamond, Gold, 18k Gold, White Gold

20 carat Aquamarine Diamonds 18K Gold Made in Italy Grounding Bold Cocktail Ring
By Beatrice Barzaghi Milano
Located in Milan, IT
20 carat Aquamarine Diamonds 18K Gold Made in Italy Grounding Bold Cocktail Ring. Sonoro Pendant
Category

21st Century and Contemporary Italian Modern Cocktail Rings

Materials

Diamond, Aquamarine, White Gold, 18k Gold, Gold

20 Carat Aquamarine Diamond Shoulders Ring
Located in Stratford upon Avon, GB
Large aquamarine ring approximately 20cts with triangular diamond shoulders in yellow and white
Category

Mid-20th Century Retro Cocktail Rings

Materials

Aquamarine, Diamond, 18k Gold, Platinum

Retro 20 Carat Aquamarine and Diamond Ring
Located in Aliso Viejo, CA
This aquamarine and diamond ring has a perfect balance of the cool slate blue Aquamarine and white
Category

Vintage 1950s British Retro Cocktail Rings

Materials

Aquamarine, Diamond, 18k Gold

20 Carat Bright Aquamarine and Diamond Cocktail Ring
Located in New York, NY
This original Ben Moses Jewelry Design ring is made with a remarkably bright 20 Carat Aquamarine
Category

Vintage 1980s Unknown Contemporary Cocktail Rings

Materials

Aquamarine, Diamond, 14k Gold

Romantic 20 Carat Heart Shape Aquamarine and Diamond Ring
Located in Lambertville, NJ
Gleaming 14kt. yellow gold handmade aquamarine and diamond ring. The center is set with a fine
Category

Late 20th Century Cocktail Rings

Materials

Aquamarine, Diamond, 14k Gold

Solitaire Aquamarine 20 Carat Cocktail Ring 18 Karat White Gold
Located in Geneva, CH
mesmerizing 20-carat light blue emerald-cut aquamarine, capturing the essence of the ocean's depth and allure
Category

21st Century and Contemporary French Art Deco Cocktail Rings

Materials

Aquamarine, White Gold

20 Carat Sri Lankan Blue Aquamarine Diamonds 18 Karat White Gold Cocktail Ring
By D and A Style
Located in Singapore, SG
Cocktail ring - about 20 carat aquamarine, white gold and diamonds. This ring is one of a kind
Category

21st Century and Contemporary Armenian Modern Cocktail Rings

Materials

Aquamarine, Diamond, Gold, Yellow Gold, White Gold, Rose Gold, 18k Gold,...

Aquamarine 20 carats and Diamond Ring
Located in Firenze, IT
a step-cut aquamarine weighing 21.7 cts, within a brilliant-cut diamond shoulder, mounted in
Category

21st Century and Contemporary Italian Fashion Rings

Materials

Aquamarine, Diamond, Platinum

Retro 20 Carat Aquamarine Diamond Gold Ring
Located in Napoli, NA
handmade wave design. The ring is set with a stunning 20 carat Aquamarine of perfect cut and great quality
Category

Vintage 1940s Retro Cocktail Rings

Materials

Aquamarine, Diamond, Gold, 18k Gold

Cocktail Ring in 18K Gold with a 20-Carat Natural Aquamarine.
Located in PARIS, FR
aquamarine weighing approximately 20 carats (16 x 13 x 8 mm). Detailed Characteristics: Weight: 7.9 g Size
Category

20th Century Cocktail Rings

Materials

Aquamarine, Gold, 18k Gold, White Gold

Stambolian 20-Carat Aquamarine and Diamond Ring in 18 Karat Gold
By Stambolian
Located in Towson, MD
One 18 karat white gold (stamped 18K) ring by Stambolian, set with one 20. carat oval aquamarine
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Diamond, Aquamarine, Yellow Gold, White Gold, 18k Gold, Gold

20 Carat Emerald Cut Aquamarine & Diamond 14 Karat White Gold Cocktail Ring
Located in Boca Raton, FL
aquamarine weighs approximately 20 carats and the 6 round brilliant cut diamond accents weigh approximately
Category

Late 20th Century American Modern Cocktail Rings

Materials

Aquamarine, Diamond, 14k Gold, White Gold

Art Deco Style 18 Karat Gold 20 Carat Aquamarine Diamond Cocktail Ring
Located in Vilnius, Vilniaus apskr.
This is a vintage Art Deco style rectangle cocktail ring made in 1990s. The piece is crafted in 18K
Category

Late 20th Century Swedish Art Deco Cocktail Rings

Materials

Diamond, Aquamarine, Gold, 18k Gold

20ct Aquamarine Diamond Ring Vintage Large Oval Cocktail Jewelry 18k White Gold
Located in Torrance, CA
Stylish vintage estimated 20 carat aquamarine & diamond cocktail ring (circa 1960s to 1970s
Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Aquamarine, Diamond, White Diamond, Gold, 18k Gold, White Gold

20 Carat Aquamarine
Located in Las Vegas, NV
• 20 Carat Aquamarine No enhancement • Rose Gold Setting • Circa 1900
Category

Antique Early 19th Century Cocktail Rings

Materials

Aquamarine, Rose Gold

20 Carat Aquamarine, Diamond and 14K Gold Ring
Located in Hicksville, NY
This dazzling 1964 14K White Gold, Diamond and Aquamarine Ring features a 20 carat emerald cut
Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Aquamarine, Diamond, 14k Gold, White Gold

Tiffany & Co. Retro 1940s 20 Carat Aquamarine gold cocktail Ring
By Tiffany & Co.
Located in Litchfield, CT
jewel features a dazzling 20.15 carat aquamarine. Large gemstone rings were the rage in the forties and
Category

Vintage 1940s American Retro Cocktail Rings

Materials

Aquamarine, 14k Gold

1940s 20 Carat Aquamarine and Diamond Ring, 14 Karat Gold
Located in Hicksville, NY
Details: Cut: Step Emerald Cut Color: Santa Maria Carat: 20 carats Type: Aquamarine Diamond Details
Category

Vintage 1940s American Retro Cocktail Rings

Materials

Aquamarine, Diamond, Gold, 14k Gold

20 Carat Natural Emerald Cut Aquamarine Cocktail Ring 14 Karat Gold, Estate
Located in New York, NY
20 Carat Natural Emerald Cut Aquamarine Cocktail Ring 14 Karat Gold, Estate Size of the ring 6.5 A
Category

Early 2000s Cocktail Rings

Materials

Aquamarine, Diamond, Gold, 14k Gold

Art Deco Certified 20 Carat Santa Maria Aquamarine Diamond Sapphire Gold Ring
Located in Napoli, NA
Art Deco ring set in the center with a stunning Aquamarine, Santa Maria origin, weighing 19,50
Category

Mid-20th Century Art Deco Cocktail Rings

Materials

Sapphire, Aquamarine, Diamond, Gold, 18k Gold

20ct Aquamarine Ring Vintage 14k Yellow Gold Cocktail Jewelry
Located in Torrance, CA
Stylish vintage estimated 20 carat aquamarine cocktail ring (circa 1950s to 1960s) crafted in 14
Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Aquamarine, 14k Gold, Yellow Gold

1950s 20 Carat Aquamarine Diamond Platinum Ring
Located in Lambertville, NJ
Platinum ring, set with an approximately 20 carat aquamarine, surrounded with 030ctw in diamonds
Category

20th Century More Rings

Materials

Aquamarine, Diamond, Platinum

Midcentury 20 Carat Aquamarine Diamond Platinum Ring
Located in Lambertville, NJ
Platinum mid century cocktail ring, set with a 20.16ct aquamarine, surrounded with 0.37ctw in
Category

20th Century More Rings

Materials

Aquamarine, Diamond, Platinum

Sterle Paris 20 Carat Aquamarine Diamond Ruby Gold Ring
By Pierre Sterlé
Located in Lambertville, NJ
Exquisite vintage Sterle Paris ring, set in 18k yellow gold, featuring an approx. 20 carat
Category

Late 20th Century French Cocktail Rings

Materials

Aquamarine, Diamond, Ruby, 18k Gold

Antique 1920s Platinum Ring 1:20 Carat Aquamarine Art Deco Stepped Shoulders
Located in Preston, Lancashire
This Art Deco platinum features a round cut 1.20 carats aquamarine, secured with four V corners is
Category

Early 20th Century British Art Deco Engagement Rings

Materials

Aquamarine, Diamond, Platinum

20 Carat Rectangular Deep Blue Aquamarine 18 Karat White Gold Ring
Located in Paris, FR
An important rectangular acquamarine 18K white gold Cocktail Ring. Weight of the aquamarine
Category

Late 20th Century French Contemporary Cocktail Rings

Materials

Aquamarine, 18k Gold

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20 Carat Aquamarine Rings For Sale on 1stDibs

Find an expansive variety of 20 carat aquamarine rings available on 1stDibs. Frequently made of Gold, Platinum and 18k Gold, these items were constructed with great care. Our collection of these items for sale includes 235 vintage editions and 33 modern creations to choose from as well. Our collection is diverse and broad-ranging, and pieces in stock date back to the 20th Century while others were produced as recently as the 21st Century. The designs in our inventory of 20 carat aquamarine rings bearing Modern or Art Deco hallmarks are very popular. There have been many well-made iterations of these items over the years, but those made by Tiffany & Co., Eva Soussana and H. Stern are often thought to be among the most beautiful. A selection of emerald cut, oval cut and round cut can be found today on these pages. There aren’t many items for men in our collection of 20 carat aquamarine rings, as most of the options available are for women.

How Much are 20 Carat Aquamarine Rings?

Prices for 20 carat aquamarine rings start at $350 and top out at $44,950 with these rings, on average, selling for $4,957.

The Legacy of Aquamarine in Jewelry Design

Perhaps the one gemstone that best embodies the glimmering blue of the ocean is aquamarine, not just in name but also in color. Aqua marina (Latin for water and sea), March’s birthstone, is often crystal clear and blue. Often affordable in price, vintage and antique aquamarine jewelry belongs in everyone’s jewelry box.

Aquamarine is a precious gemstone from the mineral beryl family. Its cousin is the emerald. Like other beryl varieties, aquamarines are rated 7.5 to 8 on the Mohs Hardness Scale. This means that they are soft enough for jewelers to cut to their client’s specs but also durable enough for daily wear.

On land or sea, aquamarines feature prominently in many folk tales, including one about mermaids gifting aquamarine to sailors to protect them during sea voyages. Worn around sailors’ necks as an amulet, it kept them from getting seasick and, most importantly, from shipwrecks. Considered a symbol of courage by some, aquamarine amulets were also favored by Egyptian and Hebrew warriors during battle.

Aquamarine has also made appearances on some of the grandest of great dames. The Brazilian government gifted Eleanor Roosevelt with a 1,847-carat aquamarine in 1935 and Queen Elizabeth II received a sizable aquamarine upon her 1953 coronation; this stone is now the focal point of her aquamarine tiara. And renowned Tiffany & Co. designer Jean Schlumberger made a diamond Bow setting for a 148.5-carat aquamarine, which was originally exhibited at the 1893 World’s Columbian Exhibition, now in the collection of the Field Museum of Natural History in Chicago.

On 1stDibs, find a range of vintage and antique aquamarine jewelry that includes unique aquamarine rings, necklaces and other accessories.

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 ringsvintage 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 20 Carat Aquamarine Rings
  • 1stDibs ExpertMay 5, 2023
    The highest quality aquamarine is determined by a range of factors. The Four Cs of selecting the perfect diamond, which are color, clarity, cut and carat, also apply to aquamarines. Aquamarine is a precious gemstone from the mineral beryl family. Aquamarine crystals are usually transparent and range in color from greenish-blue to a vivid sky blue. Sometimes, the greener aquamarines are heat-treated so that they develop a bluer hue. This will often add value to the stone as blue aquamarines are more desired than green. Professionals recommend that you consult with a jeweler or gemologist in order to best determine which aquamarine will meet your needs as well as align with your budget. On 1stDibs, find a selection of aquamarine jewelry from some of the world’s top sellers.