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20 Carat Aquamarine

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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

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

1940s 20 Carat Aquamarine and Diamond 14 Karat Gold Ring
Located in Atlanta, GA
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

Ico & the Bird Fine Jewelry 20 carat Aquamarine Diamond Gold Earrings
By Ico & the Bird Fine Jewelry
Located in Los Angeles, CA
with black diamond eyes. This one of a kind piece features 20 carat of Sparkling Aquamarines and .018
Category

2010s North American Artisan Drop Earrings

Materials

Aquamarine, Diamond, 18k 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, 88 carats aquamarine ring in platinum
Located in PARIS, FR
Stones: Aquamarine of 20.88 cts, 10 diamonds: 1.28 cts Material: Platinum Dimensions: 2.2cm x 1.4cm
Category

Early 2000s Fashion 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

20 Carat Heart Cut Aquamarine Wedding Bracelet in 925 Silver for Women
Located in Houston, TX
Beautifully handcrafted silver 20 Carat Heart Cut Aquamarine Wedding Tennis Bracelet, designed with
Category

21st Century and Contemporary American Modern Tennis Bracelets

Materials

Aquamarine, Silver, Sterling Silver

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 5.00 Carat Aquamarine Solitaire Filigree Ring in 20 Karat White Gold
Located in Boston, MA
An Art Deco period aquamarine solitaire ring crafted in 20 karat white gold. Centered by a fancy
Category

Vintage 1920s Art Deco Solitaire Rings

Materials

Aquamarine, White Gold

6.56 Carat Aquamarine Diamond White Gold Cocktail Ring
By DGI
Located in Los Angeles, CA
This ring has a 6.12 Carat Emerald Cut Aquamarine set in the center of the ring and is surrounded
Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, Aquamarine, White Gold, 14k Gold

1-1/20 ct. Aquamarine and Diamond Accent Dangle Earrings in 14K Yellow Gold
By Affinity Designs LLC
Located in New York, NY
Crafted with exquisite detail, each of these earrings features a stunning oval aquamarine
Category

2010s Asian Contemporary Dangle Earrings

Materials

Aquamarine, Diamond, Yellow Gold

Reinvented Vintage 5.56 Carat Aquamarine Drop Earrings 9 Carat Gold
Located in Hamilton, AU
. The two pair shape bright pale blue aquamarines total 2.45 carats and measure approximately
Category

20th Century Oceanic Modern Drop Earrings

Materials

Aquamarine, Gold, 9k Gold, Yellow Gold

Celeste Aquamarine & Diamond Earrings 9 Carat Gold
Located in Hamilton, AU
The Celeste Earrings are a grand celebration of shimmering diamonds and icy blue aquamarines. A
Category

21st Century and Contemporary Oceanic Modern Drop Earrings

Materials

Aquamarine, Diamond, Gold, 9k Gold, Yellow Gold

1.50 Carat Oval Aquamarine Diamond Halo Gold Engagement Ring
Located in Stamford, CT
1.50ct oval aquamarine, mounted in a setting crafted in 18k white gold. The aqua is surrounded 20 single
Category

Mid-20th Century Engagement Rings

Materials

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

Deep Blue Aquamarine and Diamond Necklace Set in 20 Karat Yellow Gold
By Coomi
Located in Secaucus, NJ
Affinity Aquamarine and Diamond Necklace Set In 20 Karat Yellow Gold With 12.70 Carat Aquamarine
Category

21st Century and Contemporary Thai Contemporary Chain Necklaces

Materials

Aquamarine, Diamond, Yellow Gold

5.0 Carat Aquamarine 1.5 Carat Diamond 18K Gold Cocktail Ring
Located in West Palm Beach, FL
5.0 carat aquamarine surrounded by small diamonds set in 18K yellow gold cocktail ring. Aquamarine
Category

Vintage 1980s European Arts and Crafts Cocktail Rings

Materials

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

1000 Carat Natural Fine Aquamarine Bead Necklace, Four Strand in Metal Clasp
Located in New York, NY
1000 Carat Natural Fine Aquamarine Graduating Bead Necklace, Four Strand in Metal Clasp Natural
Category

2010s Multi-Strand Necklaces

Materials

Turquoise, Aquamarine

Aquamarine Dangle Earrings With Diamonds 23.80 Carats Silver
Located in Carlsbad, CA
Aquamarine = 20 Carats (Cut: Baguette , Color: Blue, Origin: Natural) Diamond = 3.80 Carats (Cut
Category

21st Century and Contemporary Contemporary Dangle Earrings

Materials

Aquamarine, Diamond, White Diamond, Silver

Platinum 10 Carat Aquamarine and Diamond Cocktail Ring
Located in Wailea, HI
Platinum 10 Carat Aquamarine and Diamond Cocktail Ring Introducing the exquisite Lady's Platinum
Category

Late 20th Century Cocktail Rings

Materials

Aquamarine, Diamond, Platinum

445.90 carats Aquamarine Beaded Necklace 7 Strand Faceted Beads good Quality Gem
Located in Jaipur, RJ
- Aquamarine weight - 445.90 carats size - 3 To 6 mm quantity - 7 Strand Length : 20 Inch.
Category

21st Century and Contemporary Malagasy Art Deco Beaded Necklaces

Materials

Aquamarine

63.70 Carat Huge Natural Loose Seafoam Blue Aquamarine Gemstone March Birthstone
Located in Peshawar, PK
Loose Aquamarine Weight: 63.70 Carat Dimension: 26 x 20 x 18 Mm Colour : Pale Blue Origin
Category

21st Century and Contemporary Malagasy Arts and Crafts Loose Gemstones

Materials

Aquamarine

47.33 Carat Aquamarine Diamond Yellow Gold Platinum Cocktail Ring
Located in Stamford, CT
Aqua and diamond cocktail ring. 47.33cts square faceted aquamarine greenish blue center stone set
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Aquamarine, Gold, Platinum, Yellow Gold, 18k Gold

14ct Rose Gold 2.62 Carat Aquamarine & Diamond Ring
Located in Montville, AU
This exquisite ring features a mesmerizing oval faceted 2.62 carat Aquamarine gemstone know for its
Category

21st Century and Contemporary Unknown Modernist Engagement Rings

Materials

Aquamarine, Diamond, Rose Gold, 14k Gold

Steven Battelle 38 Carats Aquamarine 22K Gold Pendant
By Steven Battelle
Located in Soquel, CA
A beautiful 21 x 31 mm oval diagonal checkerboard cut aquamarine from Brazil is presented in this
Category

21st Century and Contemporary Balinese Contemporary Pendant Necklaces

Materials

Aquamarine, Diamond, 22k Gold

5.82 Carat Aquamarine Pink Sapphire Diamond White Gold Cocktail Ring
By Roshe Jewels
Located in Los Angeles, CA
Carat Emerald Cut Aquamarine and is surrounded by 20 Pink Sapphires that weigh 2.16 carats and 2 Pear
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Pink Sapphire, Sapphire, Diamond, Aquamarine, White Gold, 14k Gold

Steven Battelle 30.6 Carats Cabochon Aquamarine 18K Gold Pendant
By Steven Battelle
Located in Soquel, CA
An impressive 18 x 24 mm oval aquamarine cabochon is set in matte-finish handmade 18K gold with
Category

21st Century and Contemporary American Contemporary Pendant Necklaces

Materials

Aquamarine, 18k Gold

Yellow Diamond and Aquamarine Ring in 22 Karat Gold and 20 Karat Gold
By Pamela Farland
Located in New York, NY
pear shaped Aquamarines weighing 2 carats. Aquamarine is the birthstone for the month of March. The
Category

21st Century and Contemporary American Artist Cluster Rings

Materials

Yellow Diamond, Aquamarine, Gold, Yellow Gold, 22k Gold

Orianne GIA Certified 26.85 Carat Natural Aquamarine Pendant Necklace
Located in Solvang, CA
Estate Orianne GIA certified 26.85 carat natural aquamarine pendant necklace. This Orianne estate
Category

Early 2000s Pendant Necklaces

Materials

Aquamarine, Diamond, 14k Gold, White Gold

Steven Battelle 18.5 Carats Faceted Aquamarine 18K Gold Pendant
By Steven Battelle
Located in Soquel, CA
A beautiful oval 14 x 19 mm checkerboard cut aquamarine scintillates within exquisite "bun
Category

21st Century and Contemporary Indonesian Contemporary Pendant Necklaces

Materials

Aquamarine, 18k Gold

Huge 120.5 Carats Cabochon Aquamarine Diamonds 22k Gold Pendant
By Steven Battelle
Located in Soquel, CA
An incredible deep blue Brazilian aquamarine 27 x 36 mm oval cabochon is the centerpiece of this
Category

21st Century and Contemporary Indonesian Contemporary Pendant Necklaces

Materials

Aquamarine, Diamond, 22k Gold

45 Carat Natural Aquamarine and Diamond Cocktail Ring 14 Karat Gold, Estate
Located in New York, NY
Approximately 45 Carat Natural Aquamarine & 2.5 Ct Diamond Cocktail Ring 14 Karat white gold
Category

Early 2000s Cocktail Rings

Materials

Aquamarine, Diamond, 14k Gold

Steven Battelle 25.2 Carats Cabochon Aquamarine 22k Gold Ring
By Steven Battelle
Located in Soquel, CA
One of the finest Brazilian aquamarine cabochons we have ever dealt with is set in a granulated "4
Category

21st Century and Contemporary Balinese Contemporary Cocktail Rings

Materials

Aquamarine, 22k Gold

Steven Battelle 11.2 Carats Aquamarine Diamond 22K Gold Pendant
By Steven Battelle
Located in Soquel, CA
A crystalline 13 x 20 mm pear faceted "sea-blue" aquamarine rests in a handcrafted Etruscan style
Category

21st Century and Contemporary Balinese Contemporary Pendant Necklaces

Materials

Aquamarine, Diamond, 22k Gold

Steven Battelle 19.8 Carat Aquamarine Tanzanite 18K Gold Pendant
By Steven Battelle
Located in Soquel, CA
A nice blue, limpid, pear shaped 15 x 19 mm aquamarine cabochon is centered above a 5 mm trillium
Category

21st Century and Contemporary Indonesian Contemporary Pendant Necklaces

Materials

Aquamarine, Tanzanite, 18k Gold

Contemporary 2.32 Carat Bright Light Blue Aquamarine & Diamond Platinum Necklace
Located in Hamilton, AU
bright light blue square emerald cut aquamarine is 2.32 carats and measures approximately 8.00x7.5x6.02
Category

21st Century and Contemporary Australian Contemporary Pendant Necklaces

Materials

Aquamarine, Diamond, Platinum

Aquamarine Earrings With Opals and Diamonds 11.82 Carats Sterling Silver
Located in Laguna Niguel, CA
It comes with the appraisal by GIA GG/AJP All Gemstones are Natural 20 Round Aquamarines = 8.60
Category

21st Century and Contemporary Contemporary Dangle Earrings

Materials

Aquamarine, Diamond, White Diamond, Opal, Silver, Sterling Silver

Important Aquamarine Pendant Necklace With Diamonds 11.90 Carats 14K Gold
Located in Laguna Niguel, CA
Carat 112 Diamonds = 0.51 Carats Metal: 14K White Gold Pendant Dimensions: 36 x 20 mm
Category

21st Century and Contemporary Contemporary Pendant Necklaces

Materials

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

9.0 Carat Cushion Cut Aquamarine Diamond Platinum Cocktail Ring Modern
Located in Boca Raton, FL
Beautiful 9.0 carat aquamarine diamond cocktail ring fashioned in platinum. The cushion cut
Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, White Diamond, Aquamarine, Platinum

Contemporary Bright Blue Aquamarine Drop Style Earrings 9 Carat White Gold
Located in Hamilton, AU
aquamarines. The stage is set for her encore. The Birdie Earrings Gem Details The faceted round bright pale
Category

21st Century and Contemporary Australian Modern Drop Earrings

Materials

Aquamarine, Gold, White Gold

Art Deco Style Bangle 21 Carat Natural Cushion Aquamarine and Diamond
Located in Los Angeles, CA
Aquamarines (12x10mm) weighing approximately 20 carats. In addition are 6 Natural Round Brilliant Diamonds F
Category

Vintage 1960s Unknown Art Deco Bangles

Materials

Aquamarine, Diamond, Rose Gold

Vintage Circa 1930s Aquamarine & Seed Pearl Brooch 15 Carat Yellow Gold
Located in Hamilton, AU
Set in 15 carat gold, with straight lines and bright blue aquamarine and creamy seed pearls, The
Category

Vintage 1930s Unknown Modern Brooches

Materials

Aquamarine, Pearl, Gold, 15k Gold, Yellow Gold

Steven Battelle 36 Carat Rose Cut Aquamarine 18K Gold/Silver Ring
By Steven Battelle
Located in Soquel, CA
A nice light blue 20 x 28 mm oval rose cut aquamarine is held in a signature large/small double
Category

21st Century and Contemporary Indonesian Contemporary Cocktail Rings

Materials

Aquamarine, 18k Gold, Silver

GIA Certified Natural 42.02 Carat Blue Aquamarine Diamonds Necklace 14 Karat
Located in New York, NY
GIA Certified 42.02ct. Natural Aquamarine Necklace #2201404089 Oval Cut, Clean Clarity
Category

2010s American Pendant Necklaces

Materials

Aquamarine, Diamond, 14k Gold, White Gold

Vintage Inspired Bright Light Blue Aquamarine Cluster Ring 9 Carat Yellow Gold
Located in Hamilton, AU
The 9 carat gold Louise Ring has embraced the rich ornamentation of a time of extravagant
Category

21st Century and Contemporary Oceanic Modern Cluster Rings

Materials

Aquamarine, Gold, 9k Gold, Yellow Gold

14.46 Carat Crisscut Shape Aquamarine and Diamond 14K White Gold Cocktail Ring
Located in London, GB
This spectacular 14 carat white gold cocktail ring features a rectangular crisscut aquamarine in a
Category

Vintage 1980s Central American Cluster Rings

Materials

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

Vintage Circa 1980s Bright Blue Aquamarine & Diamond Ring 14 Carat White Gold
Located in Hamilton, AU
carat bright blue oval aquamarine measures approximately 9.32 x 7.10 x 5.0 millimetres. The ten round
Category

20th Century Unknown Modern Cluster Rings

Materials

Aquamarine, Diamond, 14k Gold, White Gold

Vintage Inspired Bright Light Blue Aquamarine & Diamond Ring 9 Carat Yellow Gold
Located in Hamilton, AU
and silly but at their heart was love, a sweet and abiding love that stayed true. The 9 carat gold
Category

21st Century and Contemporary Oceanic Modern Cluster Rings

Materials

Aquamarine, Diamond, Gold, 9k Gold, Yellow Gold

4.12 Carats Aquamarine 18K Gold 0.16 Karat White Diamonds Bees Stud Earrings
By Rossella Ugolini
Located in Rome, IT
Rossella Ugolini Design Collection , 18 Karat Yellow Gold 4.12 Carats Aquamarine 0.16 Karat White
Category

2010s Italian Art Nouveau Stud Earrings

Materials

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

Exquisite 161.53 Carat Rose Quartz Necklace Set in 20 Karat Yellow Gold
By Coomi
Located in Secaucus, NJ
Rose Quartz Necklace with 161.53 Carat Rose Quartz, 81.39 Carat Aquamarine, and 4.28 Carat Diamonds
Category

21st Century and Contemporary Thai Contemporary Chain Necklaces

Materials

Aquamarine, Diamond, Quartz, Yellow Gold

Aquamarine, Diamond & Ruby Ring
Located in San Francisco, CA
Brilliant Cut Aquamarine accented with 8 square cut Rubies totaling 1.44 carats, and 20 round brilliant
Category

Vintage 1970s Unknown Cocktail Rings

Materials

Aquamarine, Diamond, Ruby, Platinum

Art Deco Style 3.55 Carat White Diamond Aquamarine Onyx Yellow Gold Ring
By Luigi Ferrara
Located in Naples, IT
Modern Round Cut Diamonds. This Ring has 3.40 Carats of Oval Cut Aquamarine. This Ring has Handcut Onyx
Category

21st Century and Contemporary Italian Art Deco Cocktail Rings

Materials

Onyx, White Diamond, Diamond, Aquamarine, Yellow Gold, 14k Gold

Art Deco Aquamarine Diamond Platinum Dangle Earrings
Located in Beverly Hills, CA
aquamarines with a total weight of approximately 1.30 carats. Accented by 20 transitional cut diamonds with a
Category

Vintage 1930s Art Deco Dangle Earrings

Materials

Aquamarine, Diamond, White Diamond, Platinum

TJD 0.10 Carat 14 karat White Gold Round and Oval cut Aquamarine Engagement ring
By TJD
Located in New York, NY
A classic look that compliments any attire, these Oval cut Aquamarine gemstone with white diamond
Category

21st Century and Contemporary Engagement Rings

Materials

Aquamarine, White Gold

Labradorite Carving Bracelet with 2.41 Carat Diamonds and 20 Karat Yellow Gold
By Coomi
Located in Secaucus, NJ
Affinity Bracelet Set in 20 Karat Yellow Gold with 187.11-carat Labradorite Carving, 4.18-carat
Category

21st Century and Contemporary Thai Contemporary Link Bracelets

Materials

Aquamarine, Diamond, Labradorite, Sapphire, Pink Sapphire, Yellow Gold

18 Carat White Gold Light Blue Trilliant Cut Aquamarine and Diamond Drop Pendant
Located in Hamilton, AU
aquamarine measures 8.00x8.00x4.4 millimetres and is estimated to weigh 1.40 carats. The round brilliant cut
Category

21st Century and Contemporary Unknown Modern Pendant Necklaces

Materials

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

33 Carat Total Aquamarine Sapphire Diamond Necklace 1970 in 18 Karat Yellow Gold
Located in London, GB
emerald cut aquamarines totalling approximately 20.00 carats punctuated by sapphires totalling
Category

Vintage 1970s British Retro Link Necklaces

Materials

Aquamarine, Diamond, Sapphire, Blue Sapphire, Gold, 18k Gold, Yellow Gold

Bee 4.12 Carats Aquamarine 18 Karat Gold 0.16 Karat White Diamonds Stud Earrings
By Rossella Ugolini
Located in Rome, IT
Rossella Ugolini Design Collection , 18 Karat Yellow Gold 4.12 Carats Aquamarine 0.16 Karat White
Category

2010s Italian Art Deco Stud Earrings

Materials

White Diamond, Black Diamond, Aquamarine, Yellow Gold, White Gold, 18k G...

GIA Certified Natural Aquamarine Pendant Necklace
Located in Webster, NY
# 6214780487 Gemstone: Aquamarine Gemstone Carat Weight: 36.65 x 27.87 x 13.94mm Marked/Tested: "585" "Italy
Category

20th Century Pendant Necklaces

Materials

Aquamarine, 14k Gold

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20 Carat Aquamarine For Sale on 1stDibs

Find the exact 20 carat aquamarine you’re shopping for in the variety available on 1stDibs. Frequently made of Gold, 18k Gold and Platinum, this item was constructed with great care. Our collection of these items for sale includes 363 vintage editions and 51 modern creations to choose from as well. Making the right choice when shopping for a 20 carat aquamarine may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 18th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. For this particular piece, 1 Carat and 1.5 Carat are consistently popular carat weights. Finding an appealing 20 carat aquamarine — no matter the origin — is easy, but Luigi Ferrara, Tiffany & Co. and H. Stern each produced a popular version that is worth a look. Today, if you’re looking for an emerald cut version of this piece and are unable to find the perfect match, our selection also includes oval cut and round cut alternatives. When shopping for a 20 carat aquamarine, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a 20 Carat Aquamarine?

The price for a 20 carat aquamarine starts at $296 and tops out at $105,000 with these rings, on average, selling for $4,952.
Questions About 20 Carat Aquamarine
  • 1stDibs ExpertApril 5, 2022
    The term “20 carat gold” does not have a meaning. “Carat” is a unit of measurement used to describe the size of gemstones. “Karat” is the unit used to describe gold precious metal. Gold stamped as 20 karat or 20K is 83.3 percent pure gold and 16.7 percent metal alloy. You'll find a wide variety of gemstone jewelry on 1stDibs.