18k Agate
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Antique Mid-19th Century, French 18K Agate and Rose Cut Diamond Cluster Ring
Located in London, GB
, circa 1860. In the centre rests a smooth banded agate in an open back setting, encircled by a halo of
Category
Antique Mid-19th Century French Victorian Cluster Rings
Materials
Agate, Diamond, 18k Gold
Agate Jade Carved Antiques Jade Necklace 18 K Gold
By Giulia Colussi
Located in Milan, IT
Yellow agate necklace with amazing antique Chinese jade pendant fish shape, 18 k gold gr 8,60
Category
Antique Early 1700s Italian Artisan Drop Necklaces
Materials
Agate, Jade, Labradorite, Gold
Modern Italian 18 K Rose Gold Ring White Agate Black Onyx
Located in Zurich, Zollstrasse
a modern 18 K rose Gold italian Ring featuring a fancy sahpe black Onyx flanked by 2 fancy sahpe
Category
2010s Italian Contemporary Three-Stone Rings
Materials
Agate, Onyx, 18k Gold, Rose Gold
Personalize 18 K Yellow Gold Blue Agate and Letter Customizable Unisex Cufflinks
By Rossella Ugolini
Located in Rome, IT
creates a sense of security and safety.
Details:Personalize 18 K Yellow Gold Blue Agate and Letter
Category
2010s Italian Modern Cufflinks
Materials
Agate, Gold, 18k Gold, Yellow Gold
H 0.4 in D 0.02 in L 1.46 in
Black Agate, Mother of Pearl, Swordfish Pin Crafted in 18 K Gold
Located in Hong Kong, HK
Black Agate, Mother of Pearl, Swordfish pin crafted in 18 K gold.
Ever have that need to be seen
Category
21st Century and Contemporary Hong Kong Contemporary Brooches
Materials
Agate, Pearl, Gold, 18k Gold
18K Spotted Agate Ring
By HCL METAL WORKS
Located in Gorham, ME
18K Yellow gold and a Spotted Agate stone, which has been hand cut by the artist herself, is a one
Category
2010s American Artisan Cocktail Rings
Materials
Agate, 18k Gold
Agate Signet Ring 18k Swiss
Located in Litchfield, CT
Circa 1970s, 18k, Switzerland. This stylish seventies signet ring is set with an intaglio-cut agate
Category
Vintage 1970s Swiss Signet Rings
Materials
Agate, 18k Gold, Yellow Gold
18K Green Agate Butterfly Pendant
By Diane Griswold Johnston
Located in Cohasset, MA
18 karat bezelled butterfly hand carved in green agate.
Category
21st Century and Contemporary North American Contemporary Pendant Necklaces
Materials
Agate, 18k Gold
18 K Gold Chevalier Ring
By Giulia Colussi
Located in Milan, IT
eu gold 18k gr17, agate 5,50cts.
All Giulia Colussi jewelry is new and has never been previously
Category
2010s Italian Artist Band Rings
Materials
Agate, Gold
18K Carved Agate Christmas Tree Pendant
By Diane Griswold Johnston
Located in Cohasset, MA
18k carved agate christmas tree pendant 20mm round
Category
21st Century and Contemporary American Contemporary Necklace Enhancers
Materials
Agate, 18k Gold
32.8 Carats Fire Agate 18k Gold Bracelet
By Steven Battelle
Located in Soquel, CA
Nine irregular Arizona fire agate cabochons approximately 7 x 10 to 11 x 15 mm in size flash in
Category
21st Century and Contemporary Balinese Contemporary Modern Bracelets
Materials
Agate, Fire Agate, 18k Gold
18K Blue Green Agate Bambi Pendant
By Diane Griswold Johnston
Located in Cohasset, MA
beautiful blue green agate bambi pendant
Category
21st Century and Contemporary American Contemporary Pendant Necklaces
Materials
Agate, 18k Gold
Agate & 18K Gold Over SterlingSilver Earrings
Located in Carlsbad, CA
Made In Italy
18K Gold Plated
Category
21st Century and Contemporary Unknown Modern Dangle Earrings
Materials
Agate, 18k Gold, Silver
Buccellati Agate 18K Gold Zodiac Medallion Pendant
By Buccellati
Located in Miami, FL
Presenting a captivating Vintage Medallion pendant crafted by the esteemed Buccellati in 18K
Category
Vintage 1980s Italian Artisan Pendant Necklaces
Materials
Agate, 18k Gold
Elizabeth Locke Agate Ring 18K Yellow Gold
By Elizabeth Locke
Located in Dallas, TX
Elizabeth Locke Agate Ring in 18K Yellow Gold. The ring features a carved dark green agate with red
Category
Vintage 1980s Signet Rings
Materials
Agate, 18k Gold, Yellow Gold
Butterfly Blue Agate 18k White Gold Necklace
By Althoff Jewelry
Located in Hong Kong, HK
Butterfly Blue Agate 18K White Gold Necklace
3 Blue Agates 5.40CT
17 Diamonds 0.18CT
18K White
Category
21st Century and Contemporary Hong Kong Modern Choker Necklaces
Materials
Agate, Diamond, 18k Gold, White Gold
Victorian 18K Gold and Agate Cabochon Ring
Located in Venice, CA
This stunning 18k gold and agate cabochon ring is from the Victorian era. The striking bezel set
Category
Antique 1890s American Victorian Cocktail Rings
Materials
Agate, 18k Gold, Yellow Gold
Vintage 18k Gold Agate Anchor Pendant Limited Edition
Located in London, GB
limited edition!
Necklace length: 18 Inches
Materials: 18K Yellow Gold
Gemstone: Agate
Available in
Category
20th Century Retro Pendant Necklaces
Materials
Agate, Gold, 18k Gold
Antique 18K gold agate female portrait cameo brooch
Located in Versailles, FR
in width while the brooch measures 32mm* 23mm. The agate cameo is mounted in 18K yellow gold with a
Category
Antique 19th Century French Victorian Brooches
Materials
Agate, 18k Gold
Vintage Agate 18K Yellow Gold Pendant
Located in Paris, FR
Large and imposing pendant presenting an agate slice studded with a root motif in yellow gold
Category
Antique 1670s French Modern Pendant Necklaces
Materials
Agate, Yellow Gold
Agate Leaf 18K Yellow Gold Diamond Pendant
By Valentin Magro
Located in New York, NY
weight of the gems is 0.62 carats of diamonds and 1 carat of agate. 18k yellow gold sets the agate
Category
2010s American Pendant Necklaces
Materials
Agate, Diamond, Gold, 18k Gold, Yellow Gold
18k Yellow Gold Ring Agate Intaglio of Warrior
Located in Montreal, QC
Vintage 18k yellow gold agate intaglio warrior ring, made in Italy, size 51 (5 1/2). Marked inside
Category
Vintage 1950s Italian More Rings
Materials
Agate, 18k Gold, Yellow Gold
Victorian 18k Banded Agate, Pearl + Enamel Mourning Locket
Located in Narberth, PA
vibrant 18k gold, the decorative locket serves as an incredible example of the mourning jewelry tradition
Category
Late 20th Century Victorian Pendant Necklaces
Materials
Agate, Pearl, 18k Gold
French 18K Yellow Gold White Agate Stripe Cufflinks
Located in London, GB
A pair of French 18K (18 karat) yellow gold cufflinks designed as a pair of white agate circular
Category
20th Century French Cufflinks
Materials
Agate, Gold, 18k Gold, Yellow Gold
Large Antique Victorian 18k Gold and Banded Agate Brooch
Located in Philadelphia, PA
A fine antique Victorian brooch.
In 18k gold.
With a large bezel-set oval banded agate specimen
Category
Antique 19th Century Victorian Brooches
Materials
Agate, 18k Gold
Estate Chanel Camelia Black Agate Earrings 18K Yellow Gold
By Chanel
Located in Dallas, TX
Estate Chanel Camellia Black Agate Earrings in 18K Yellow Gold. Clip-on.
1.25" WIDE
35.82 GRAMS
Category
2010s Contemporary Clip-on Earrings
Materials
Agate, 18k Gold, Yellow Gold
Long Agate Leaf Diamond 18K Yellow Gold Pendant
By Valentin Magro
Located in New York, NY
agate provide realism with an 18k yellow gold edge to frame it. 43 round brilliant cut diamonds rest in
Category
2010s American Pendant Necklaces
Materials
Agate, Diamond, Gold, 18k Gold, Yellow Gold
18k Yellow Gold & White Agate Interlocking Ring
Located in Dallas, TX
From the Eiseman Estate Jewelry Collection, circa 2015, 18 karat yellow gold and white agate
Category
21st Century and Contemporary Modern Cocktail Rings
Materials
Agate, Diamond, Yellow Gold
Criss-Cross Blue Agate 18K Yellow Gold Ring
By Valentin Magro
Located in New York, NY
Blue agate is the lucent peak of this ring. Carved into a square cabochon of 31.5 carats, the
Category
2010s American Modern Fashion Rings
Materials
Agate, 18k Gold, Yellow Gold, Gold
Mother of Pearl, Agate, & Diamond Butterfly Ring 18K
Located in Jupiter, FL
A gorgeous mother of pearl and agate 18K rose gold butterfly ring. This piece is simple and just
Category
2010s American Modern Fashion Rings
Materials
Agate, Diamond, Pearl, 18k Gold, Rose Gold
Earrings set with agate and diamonds 18k pink gold
Located in The Hague, ZH
18k pink gold earrings set with agate and brilliant cut diamonds. 0.30ct - G/H - VS/SI
Detailed
Category
2010s Dutch Modern Dangle Earrings
Materials
Agate, Diamond, Gold, 18k Gold
White Agate Three Pyramids 18k Yellow Gold Ring
By FERRUCCI
Located in New York, NY
Pyramid, a three white agate Pyramid ring in 18k yellow gold made in New York.
Size 6 adjustable
Category
2010s American Art Deco Fashion Rings
Materials
Agate, 18k Gold, Yellow Gold
Earrings set with agate and diamonds 18k pink gold
Located in The Hague, ZH
18k pink gold ear studs with flower head, cut yellow agate and brilliant cut diamond, approximately
Category
2010s Dutch Modern Stud Earrings
Materials
Agate, Diamond, Gold, 18k Gold
Bvlgari Mediterranean Eden 18K Rose Gold White Agate Necklace
By Bulgari
Located in Southampton, PA
finishing touch on any outfit. Along this sophisticated piece, you’ll find smooth White Agate accents
Category
21st Century and Contemporary Italian Chain Necklaces
Materials
Agate, 18k Gold, Rose Gold
Faye Kim 18K Gold Landscape Agate Pendant on Cable Chain
By Faye Kim
Located in Westport, CT
Faye Kim's 18K* Gold Landscape Agate Pendant very much resembles a natural landscape and makes a
Category
2010s American Contemporary Pendant Necklaces
Materials
Agate, 18k Gold, Gold
18K Fire Agate '9.5 CTW' and Brown Diamonds Circle Ring
By HCL METAL WORKS
Located in Gorham, ME
18KY, Fire Agate (9.5 CTW) surrounded by Brown Diamonds give this unique, one-o-a-kind ring an eye
Category
2010s American Artisan Cocktail Rings
Materials
Brown Diamond, Agate, Fire Agate, 18k Gold
Green Agate 18K Yellow Gold Unisex Artisan Band Ring
By Rossella Ugolini
Located in Rome, IT
.
Details: Rossella Ugolini " Organic" Collection Green Agate 18 Karats Yellow Gold Unisex Artisan Band Ring
Category
2010s Italian Artisan Band Rings
Materials
Agate, Yellow Gold, 18k Gold, Gold
18K Gold Natural Agate Butterfly Intaglio Diamond Pendant Necklace
By Vaibhav Dhadda
Located in Jaipur, Rajasthan
Our 18K gold natural agate butterfly intaglio diamond pendant necklace is a mesmerizing piece that
Category
21st Century and Contemporary Indian Contemporary Pendant Necklaces
Materials
Agate, Diamond, 18k Gold, White Gold
Black and White Agate 18K Yellow Gold Pendant Necklace
Located in Marcianise, Marcianise (CE)
, ITEMS AT AUCTIONS AND ONGOING PROMOTIONS.
Fashion 18K yellow gold pendant necklace embellished with
Category
Vintage 1960s Italian Retro Pendant Necklaces
Materials
Agate, 18k Gold, Yellow Gold
18K Yellow Gold Diamond Montana Agate Drop Earrings
By Valentin Magro
Located in New York, NY
These drop earrings shimmer with warm earth tones. The design begins with an 18k yellow gold braid
Category
2010s American Dangle Earrings
Materials
Agate, Diamond, White Diamond, Gold, 18k Gold, Yellow Gold
Moss Agate, Diamonds '48=0.80cts' 18K Yellow Gold Mounting
By Michael Engelhardt
Located in West Palm Beach, FL
/hers creative ability.
Most moss agates are found as fragments weathered from volcanic rocks. Long
Category
2010s Brazilian Art Nouveau Beaded Necklaces
Materials
Agate, Diamond, 18k Gold, Yellow Gold
18K Gold Hand-Carved Leo Zodiac Agate Cameo Pendant Necklace
By Vaibhav Dhadda
Located in Jaipur, Rajasthan
Brazilian agate rock. The pendant is meticulously set in 18k gold, reflecting the dedication and skill of
Category
21st Century and Contemporary Indian Contemporary Pendant Necklaces
Materials
Agate, 18k Gold
18K Gold Hand-Carved Gemini Zodiac Agate Cameo Pendant Necklace
By Vaibhav Dhadda
Located in Jaipur, Rajasthan
skilled cameo engraver. The cameo is carved on a relief of 100% natural agate rock, specifically sourced
Category
21st Century and Contemporary Indian Contemporary Pendant Necklaces
Materials
Agate, 18k Gold
Victorian Era 18k Gold Banded Agate Diamond Statement Ring
Located in Versailles, FR
hallmark for 18K gold.
The banded agate is cut in cabochon and it has a large size of 13mm in diameter
Category
Antique Mid-19th Century French High Victorian Cocktail Rings
Materials
Agate, Diamond, 18k Gold
18K Gold Early Victorian Agate Griffin Intaglio Signet Ring
Located in Venice, CA
This 18k gold early Victorian intaglio ring features a griffin beautifully carved into a dark
Category
Antique 1830s British Victorian Signet Rings
Materials
Agate, 18k Gold, Yellow Gold
Earrings studs set with agate and diamonds 18k pink gold
Located in The Hague, ZH
18k rose gold ear studs with flower-cut yellow agate and brilliant cut diamond 0.08 ct - G/H - VS
Category
2010s Dutch Modern Stud Earrings
Materials
Agate, Diamond, Gold, 18k Gold
18K Gold Hand-Carved Aries Zodiac Agate Cameo Pendant Necklace
By Vaibhav Dhadda
Located in Jaipur, Rajasthan
engraver. The cameo is intricately carved on a relief of 100% natural agate rock, sourced specifically from
Category
21st Century and Contemporary German Contemporary Pendant Necklaces
Materials
Agate, Chalcedony, 18k Gold
18K Gold Hand-Carved Sagittarius Zodiac Agate Cameo Pendant Necklace
By Vaibhav Dhadda
Located in Jaipur, Rajasthan
the natural beauty of Brazilian agate rock. The pendant is meticulously set in 18K gold in our Indian
Category
21st Century and Contemporary German Contemporary Pendant Necklaces
Materials
Agate, Chalcedony, 18k Gold
18K Gold Hand-Carved Virgo Zodiac Agate Cameo Pendant Necklace
By Vaibhav Dhadda
Located in Jaipur, Rajasthan
cameo is skillfully engraved on a relief of 100% natural agate rock sourced from Brazil, renowned for
Category
21st Century and Contemporary German Contemporary Pendant Necklaces
Materials
Agate, Chalcedony, 18k Gold
18K Gold Hand-Carved Libra Zodiac Agate Cameo Pendant Necklace
By Vaibhav Dhadda
Located in Jaipur, Rajasthan
natural beauty of Brazilian agate rock. The pendant is meticulously set in 18K gold at our Indian workshop
Category
21st Century and Contemporary German Contemporary Pendant Necklaces
Materials
Agate, Chalcedony, 18k Gold
18K Gold Hand-Carved Aquarius Zodiac Agate Cameo Pendant Necklace
By Vaibhav Dhadda
Located in Jaipur, Rajasthan
natural beauty of Brazilian agate rock. The pendant is exquisitely set in 18K gold plating, reflecting the
Category
21st Century and Contemporary German Contemporary Pendant Necklaces
Materials
Agate, Chalcedony, 18k Gold
18K Gold Hand-Carved Capricorn Zodiac Agate Cameo Pendant Necklace
By Vaibhav Dhadda
Located in Jaipur, Rajasthan
engraver. The cameo is beautifully carved on a relief of 100% natural agate rock sourced from Brazil
Category
21st Century and Contemporary German Contemporary Pendant Necklaces
Materials
Agate, Chalcedony, 18k Gold
18K Gold Hand-Carved Scorpio Zodiac Agate Cameo Pendant Necklace
By Vaibhav Dhadda
Located in Jaipur, Rajasthan
beauty of Brazilian agate rock. The pendant is meticulously set in 18K gold in our Indian workshop
Category
21st Century and Contemporary German Contemporary Pendant Necklaces
Materials
Agate, Chalcedony, 18k Gold
18K, 14K, 10K Agate Slice and Grey Diamond Ring
By HCL METAL WORKS
Located in Gorham, ME
-kind ring. 18K bright yellow gold for the Agate slice bezel, 10K green gold for the band, and 14K white
Category
2010s American Artisan Cocktail Rings
Materials
Diamond, Agate, 18k Gold, 14k Gold, 10k Gold
Stephen Webster 18k White Gold Diamond & Green Agate Ring
By Stephen Webster
Located in North Miami Beach, FL
Green agate: 8.4ctw
Diamond: 0.37ctw
Ring Size: 7
SKU: SW01321
Model number: WR792 RING
Category
21st Century and Contemporary English Modern Fashion Rings
Materials
Agate, Diamond, 18k Gold, White Gold
Stunning Turquoise, White Agate & Diamond Necklace In 18k White Gold
Located in Fort Lauderdale, FL
Stunning Turquoise, White Agate & Diamond Necklace with Blue Topaz accents In 18k White Gold
Category
2010s Unknown Modern Necklace Enhancers
Materials
Agate, Diamond, Turquoise, 18k Gold, White Gold
White Gold White Agate Link Station Necklace 19 1/2" - 18k
Located in Greensboro, NC
Metal Content: 18k White Gold
Stone Information
Natural White Agate
Chain Style: Flat Cable
Category
21st Century and Contemporary Link Necklaces
Materials
Agate, 18k Gold, White Gold
Victorian Etruscan 18K Yellow Gold Agate EYE Pin with Papal Mark
Located in Lexington, KY
This lovely Victorian Etruscan pin is made in 18k yellow gold and features agate EYE with a papal
Category
Antique 1880s Victorian Brooches
Materials
Agate, Gold, 18k Gold, Yellow Gold
18k Yellow Gold Coral and White Agate Earrings with Diamonds
By Avanti
Located in Carrollton, TX
Agate
Metal: 18k Yellow Gold
Category
2010s American Contemporary Lever-Back Earrings
Materials
Agate, Coral, Diamond, 18k Gold, Yellow Gold
Bochic Curated “Alexander Mocdon” Antique Cameo, Afghanistan 18k Gold & Agate
Located in New York, NY
Bochic Curated “Alexander Mocdon” Antique Cameo, Afghanistan 18k Gold & Agate
Bochic Curated
Category
Antique 15th Century and Earlier Afghan Classical Greek Pendant Necklaces
Materials
Agate, 18k Gold
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18k Agate For Sale on 1stDibs
Find the exact 18k agate you’re shopping for in the variety available on 1stDibs. Each design created in this style — which was crafted with great care and often made from Gold, 18k Gold and Yellow Gold — can elevate any look. You can easily find a 1001 antique edition and 1418 modern creations to choose from as well. If you’re looking for a 18k agate from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 18th Century while another version may have been produced as recently as the 21st Century. As it relates to this specific piece, our collection includes designs that are universally popular, but .5 Carat and 1 Carat carat weights, specifically, are sought with frequency. Creating a 18k agate has been a part of the legacy of many jewelers, but those produced by Intini Jewels, Karolin Studio and Rossella Ugolini are consistently popular. A round cut version of this piece has appeal, but there are also mixed cut and oval cut versions for sale. There aren’t many items for men if you’re seeking a 18k agate, as most of the options available are for women and unisex.
How Much is a 18k Agate?
On average, a 18k agate at 1stDibs sells for $3,066, while they’re typically $45 on the low end and $420,000 for the highest priced versions of this item.
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