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Diamond Cluster Round 0.75 Carat Pendant 18 Karat White Gold Daisy Necklace
By Hasbani Diamonds
Located in London, GB
British Hallmarked. Pendants in 18 Karat White Gold Diamond Weight: 0.75 Total Carat Head Width : 9 mm
Category

2010s British Modern Pendant Necklaces

Materials

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

Diamond Cluster Round 0.50 Carat Pendant 18 Karat White Gold Daisy Necklace
By Hasbani Diamonds
Located in London, GB
Hallmarked. Pendants in 18 Karat White Gold Diamond Weight: 0.50 Total Carat Head Width : 7.7 mm
Category

2010s British Modern Pendant Necklaces

Materials

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

Diamond Cluster Round 0.33 Carat Pendant 18 Karat White Gold Flower Necklace
By Hasbani Diamonds
Located in London, GB
British Hallmarked. Pendants in 18 Karat White Gold Diamond Weight: 0.33 Total Carat Head Width : 7 mm
Category

2010s British Modern Pendant Necklaces

Materials

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

18th Century Diamonds 18 Karat Rose Gold Silver Flower Brooch
Located in Poitiers, FR
Brooch in 18 karat rose gold and silver. A lovely antique brooch representing a blooming flower
Category

Antique 18th Century French Napoleon III Brooches

Materials

Diamond, White Diamond, Gold, 18k Gold, Rose Gold, Silver, Sterling Silver

Antique Georgian 18th Century Diamond 18K Gold, Silver Topped Gold Earrings
Located in New York, NY
The most beautiful 18th Century Georgian earrings we have seen in a very long time, museum worthy
Category

Antique 18th Century Georgian Chandelier Earrings

Materials

Diamond, 18k Gold, Silver

18th Century Grand Tour Bocca Della Verita Calcedony Intaglio Diamond Pendant
Located in New York, NY
Exceptionally rare 18th century diamond set calcedony intaglio pendant depicting the famed Roman
Category

Antique 18th Century European Georgian Pendant Necklaces

Materials

Diamond, Gold, Silver

Diamond Cluster Round 1 Carat Pendant 18 Karat White Gold Daisy Flower Necklace
By Hasbani Diamonds
Located in London, GB
Hallmarked. Pendants in 18 Karat White Gold Diamond Weight: 1.00 Total Carat Head Width : 10 mm
Category

2010s British Modern Pendant Necklaces

Materials

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

Rare 18th Century Georgian Diamond Gold, Silver Scarlet Pimpernel Pendant Brooch
Located in New York, NY
Extraordinary museum quality 18th Century Georgian 3 TCW diamond, silver topped rose gold
Category

Antique 18th Century British Georgian Pendant Necklaces

Materials

Diamond, Gold, Silver

Emerald Ring with 12 Old Cut Diamonds, 14 Carat, 18th Century
Located in Berlin, DE
Emerald ring with 12 old cut diamonds, 14 carat, 18th century. 14 carat gold Europe, 18th century
Category

Antique 18th Century German Baroque Cocktail Rings

Materials

Diamond, Emerald, 14k Gold

18th Century Russian Gold and Diamond Ring
Located in Miami, FL
18th Century Russian 0.33ct Diamond Ring. The ring is stamped 1733 for the year it was produced and
Category

Antique 18th Century Russian Art Deco Three-Stone Rings

Materials

Diamond, 14k Gold

Late 18th Century Diamond-Set Ring
Located in Firenze, IT
The oval blue enamel plaque with applied old brilliant, single and rose-cut diamond floral and
Category

Antique Late 18th Century British Georgian Engagement Rings

Materials

Diamond, 18k Gold, Yellow Gold, Silver, Enamel

Antique 18th/19th Century Rose-Cut Diamonds Devant de Corsage Silver Portuguese
Located in Lisbon, PT
Antique Late 18th / 19th Century rose-cut diamond devant de corsage or stomacher in closed-back
Category

Antique Late 18th Century Portuguese Georgian Brooches

Materials

Diamond, Silver

Antique 18th Century Georgian Rose Cut Diamond 14K Rose Gold Trilobed Cross
Located in New York, NY
Fine elegant late 18th century Georgian rose cut diamond 14K rose gold trilobed cross. Hand cut
Category

Antique Late 18th Century British Georgian Pendant Necklaces

Materials

Diamond, 14k Gold, Rose Gold

Late 18th Century Italian Rose Cut Diamond Ring
Located in Firenze, IT
Solitaire ring in 18kt rose gold centered on a crowned rose-cut diamond , set with collet set
Category

Antique Late 18th Century Italian Engagement Rings

Materials

Diamond, 18k Gold, Rose Gold

18th Century Georgian 3 TCW Diamond 18K Gold Star Brooch, S.J. Phillips, London
Located in New York, NY
Enchanting 18th Century Georgian period diamond brooch in the shape of a star, retailed by S.J
Category

Antique 18th Century English Georgian Brooches

Materials

Diamond, Gold, 18k Gold

Antique 18th Century Diamond Sequile Pendant/Brooch Yellow Gold Portuguese 1700s
Located in Lisbon, PT
Antique diamond sequile pendant/brooch in 19.2kt yellow gold, Portugal, early 18th century. This
Category

Antique Early 18th Century Portuguese Rococo Brooches

Materials

Diamond, Gold, 18k Gold, Yellow Gold

18th Century Silver Gold and Diamond Cross Pendant
Located in Firenze, IT
The Latin cross, set with rose-cut diamonds in raised closed-back settings. Mounted in silver and
Category

Antique Mid-18th Century British Georgian Pendant Necklaces

Materials

Diamond, Gold, Silver

Old cut 18th century diamond pin
Located in New York, NY
A stunning diamond pin with about 1.50 carat center stone. It's a true old brooch from the 18th
Category

Antique Early 1800s European Victorian Brooches

Materials

Diamond

An Enamel and Diamond Ring Late 18th Century
Located in Firenze, IT
The blue enamel oval plaque, set with rose-cut diamonds, the largest to the centre, all in closed
Category

Antique Late 18th Century British Georgian Engagement Rings

Materials

Diamond, 18k Gold, Yellow Gold, Enamel

Antique 18th Century Brown Natural Diamond Rose Diamonds Heart Ring 14 Kt Gold
Located in Munich, Bavaria
This rare and unusual 18th century ring is designed as a stylized heart and was created in 1760 ca
Category

Antique Mid-18th Century Engagement Rings

Materials

Diamond, 14k Gold

Baroque Iberian (Spain) Emerald and Diamond Pendant/Brooch 18Th Century
Located in OVIEDO, AS
BAROQUE IBERIAN (SPAIN) EMERALD AND DIAMOND PENDANT/BROOCH 18Th Century. A radiant, ravishing, and
Category

Antique Late 18th Century Spanish Baroque Brooches

Materials

Diamond, Emerald, 18k Gold, Silver

Antique Iberian (Spain) Colombian Emerald & Diamond Earrings late 18th Century
Located in OVIEDO, AS
Emeralds. Inlaid with rose-cut and table-cut diamonds. Superbly preserved, dating from the late 18th
Category

Antique Late 18th Century Spanish Georgian Chandelier Earrings

Materials

Diamond, Emerald, 18k Gold, Silver

18th C Ruby and Diamond Bow Brooch
Located in Hummelstown, PA
This rare and exquisite 18th C jewel is designed as a flowing ribbon set with 24 gemmy raspberry
Category

Antique 1790s Rococo Brooches

Materials

Diamond, Garnet, Ruby, Silver

GIA Certified Georgian Ruby Cabochon and Diamond Earrings 18th/19th Century
Located in OVIEDO, AS
GIA Certified Georgian Ruby Cabochon (Untreated, Unheated) & Diamond Earrings 18th/19th Century
Category

Antique Late 18th Century European Georgian Drop Earrings

Materials

Diamond, Ruby, 18k Gold, Silver

Antique 18th Century Iberian Emerald Cabochon & Rose-Cut Diamond Pendant/Brooch
Located in OVIEDO, AS
Antique 18Th Century Iberian Emerald Cabochon & Rose-Cut Diamond Pendant/Brooch Stomacher
Category

Antique Mid-18th Century Spanish Georgian Pendant Necklaces

Materials

Diamond, Emerald, 18k Gold, Silver

Scarce 18th Century Georgian Rococo Diamond Cluster Ring c. 1760 Rose Cut
Located in London, GB
A superb 18th century Rococo diamond cluster ring made in Western Europe (Germany or Holland
Category

Antique Mid-18th Century Dutch Georgian Engagement Rings

Materials

Diamond, 18k Gold

Italian Antique 18th Century Mythological Carved Coral 18Kt Gold With Diamonds
Located in Miami, FL
Napoles Italy back in the late 18th century. This coral is very rare and is carved from the red ox-blood
Category

Antique 18th Century Italian Renaissance Revival Brooches

Materials

Coral, Diamond, White Diamond, Gold, 18k Gold, Yellow Gold

Antique Georgian Old Mine Diamond Circle Tie/Lapel Pin, England, 18th Century
Located in New York, NY
Large beautifully made antique old mine diamond tie/lapel pin featuring nineteen diamonds set in a
Category

Antique 1730s British Georgian Brooches

Materials

Diamond

Antique Georgian Diamond Solitaire Ring, White and Black Enamel, 18th Century
Located in NEWARK, GB
You cannot help but be enchanted by this superb antique mid 18th century Diamond solitaire ring. A
Category

Antique 18th Century British Rococo Solitaire Rings

Materials

Diamond, Gold, Yellow Gold, Sterling Silver, Enamel

Late 18th Century Pair Of Emerald And Diamond Pendent Earrings Probably Iberian
Located in Firenze, IT
Each of cascading form, set with vari-cut emeralds and rose-cut diamonds in closed-back silver and
Category

Antique Late 18th Century Spanish Drop Earrings

Materials

Diamond, Emerald, 18k Gold, Yellow Gold, Silver

Ruby and Old Cut Diamond Set Gold Cross Pendant, French, Late 18th Century
Located in Firenze, IT
A faceted rubies and old cut diamond set gold cross pendant. French, late 18th century. Dimensions
Category

Antique Late 18th Century French Neoclassical Pendant Necklaces

Materials

Diamond, Ruby, Gold, 18k Gold

Austrian 18th Century Egg Shaped Box In 18Kt Gold With Diamonds & Abalone Shell
Located in Miami, FL
Europe. Most probably created in Vienna Austria, back in the middle of the 18th century, circa 1760
Category

Antique 18th Century Austrian Neoclassical Boxes and Cases

Materials

Diamond, White Diamond, Yellow Gold, Silver, Gold, 18k Gold

Georgian crowned diamond heart ring from turn of the century 18th/19th century.
Located in Malmö, SE
. The principal diamond measures approx. 9.4x6.1x2.7mm, Shank with late rococo engraving 18 karat gold
Category

Antique Late 18th Century European Georgian Bridal Rings

Materials

Diamond, Gold, 18k Gold, Yellow Gold, Silver

Rare 18th Century Antique Rose Cut Diamond Feather Diadem Necklace
Located in Chicago, IL
Circa 1790 This finely modeled diamond feather is crafted in silver-topped 14K gold (front
Category

Antique 1790s Georgian Pendant Necklaces

Materials

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

18th Century Cambodia Hamsa Bird Coin Diamonds 18K Gold Earrings
By Steven Battelle
Located in Soquel, CA
"jawan" granulation beneath safety clasp wires with 1.8mm VS1 diamonds at the join. These earrings are
Category

21st Century and Contemporary Balinese Contemporary Drop Earrings

Materials

Diamond, 18k Gold

Scarce Baroque Early 18th Century Table Cut Diamond Gold Cross Pendant
Located in London, GB
A scarce early 18th century Baroque table cut diamond cross pendant, circa 1700-1720 and probably
Category

Antique Early 1700s Dutch Baroque Pendant Necklaces

Materials

Diamond, Gold

French Antique Mid-18th Century Table-Cut Diamond Jardinière Ring
Located in New York, NY
An antique Georgian period table-cut diamond giardinetto ring in the form of a flower, in sterling
Category

Antique 1750s French Georgian Cluster Rings

Materials

Diamond, 18k Gold, Sterling Silver

18th century georgian / early Victorian diamond fleur de lis night/day earrings
Located in Malmö, SE
A pair of 18th century georgian / early Victorian rose cut fleur de lis night/day earrings diamond
Category

Antique 19th Century European Georgian Chandelier Earrings

Materials

Diamond, Gold, 18k Gold, Yellow Gold, Silver

Custom Made Vintage 18th Carat Yellow & White Gold and Diamond Necklace
Located in Port Hope, ON
This vintage gold and diamond necklace was hand assembled and custom made with a high polish finish
Category

20th Century French Artisan More Necklaces

Materials

Diamond, 18k Gold, White Gold

Antique 18th Century Old Cut Rose Diamond Cross St. Andrews Cross Pendant Silver
Located in Munich, Bavaria
This beautiful and original silver cross was handcrafted in the second half of the 18th century, in
Category

Antique 1770s French Pendant Necklaces

Materials

Diamond, Silver

George III Diamond Ring Late 18th Century Of Cluster Design With Foiled-backed
Located in Firenze, IT
A George III diamond ring, late 18th/early 19th century, of cluster design, set with a foil-backed
Category

Antique 1770s Italian Engagement Rings

Materials

Diamond, 14k Gold, Silver

Antique Silver Portuguese Paste Pendant, 18th Century
Located in Stamford, CT
faceted to capture the light of candles, and they did. They shone like diamonds, glittering with the
Category

Antique Late 18th Century Portuguese George III Pendant Necklaces

Materials

Sterling Silver

Royal Siam 'Thai' Museum-Grade 18th Century Ayutthaya Ceremonial Ring
Located in London, GB
Kingdom period. It dates to the late 18th and is a very rare example of a ceremonial ‘mondop’ or ‘pagoda
Category

Antique Late 18th Century Thai More Rings

Materials

Diamond, Emerald, Ruby, 22k Gold

Antique 18th. cent Ring natural Ruby Diamonds 14K Rose Gold Silver Ø 8US / 4.4gr
Located in SE
Antique Ruby and Diamond Halo Ring. Likely 18th. century piece, French or German. No hallmarks
Category

Antique 1770s European Baroque Revival Cluster Rings

Materials

Diamond, Ruby, 14k Gold, Silver, Rose Gold

Mughal Gold, Diamond, Ruby and Enamel Bangle
Located in Austin, TX
A fine Indian 18th century Mughal 22k gold bangle with kundan set diamonds and rubies, featuring
Category

Antique Late 18th Century Indian Bangles

Materials

Diamond, Ruby, Gold, Enamel, 22k Gold

Antique 18k Spanish Gold Red Garnet Pendant Earrings 18th Century
Located in London, GB
Antique 18k Spanish gold and garnet pendant earrings 18th century Steeped in the rich heritage of
Category

Antique Late 18th Century Chandelier Earrings

Materials

Garnet, Gold

A Fede Ring Conveying Love And Loyalty 18th Century
Located in Firenze, IT
. One ring is set with a rose-cut diamond. Probably 18th-century Anglican work. Finger size: 6 1/4
Category

Antique 18th Century British Engagement Rings

Materials

18k Gold, Yellow Gold

Antique 18th Century George III Diamond 15 Karat Gold Blue White Enamel Necklace
Located in Munich, Bavaria
cut diamonds mounted in silber on gold. At the centre of the necklace is a large rosette set with 25
Category

Antique 1780s British George III More Necklaces

Materials

15k Gold

Rare Gem 22k Gold Armlet 'Bazuband' Mughal India 18th-19th Century
Located in Scotts Valley, CA
diamonds, engraved and adorned with enamel work. Originally an armband, and later converted to a pendant
Category

Antique Early 19th Century Indian Pendant Necklaces

Materials

Coral, Diamond, Garnet, Blue Sapphire, Pink Sapphire, Tiger's Eye, Turqu...

18th Century, American 'Coin Silver' Coffee Pot Attributed to Nathaniel Helme
Located in Brisbane, QLD
18th Century. Prior to restoration work in 2022 the underside of the pot had remnants of a hallmark 'NH
Category

Antique 18th Century American Coffee and Tea Sets

Materials

Silver

Rose Cut Diamond Earrings
Located in Milano, MI
Italian earrings in gold and silver with rose cut diamonds. With a lever back fastening, from the
Category

Antique Late 18th Century Italian Dangle Earrings

Materials

Diamond, White Gold, Silver

Rose Cut Diamond Earrings
Rose Cut Diamond Earrings
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Dm 0.63 in L 0.79 in
Georgian Diamond Cluster Ring
Located in London, GB
beautiful cluster of chunky rose cut diamonds of differing shapes and sizes. All stones here have been hand
Category

Antique 18th Century Georgian Cluster Rings

Materials

Diamond, Yellow Gold

Antique, Baroque Gold Diamond Brooch
Located in Berlin, DE
Antique, Baroque Gold Diamond Brooch. The central diamond weighs about 0.45 carat. The brooch also
Category

Antique 18th Century Baroque Brooches

Materials

Diamond, White Diamond, Yellow Gold

Antique, Baroque Gold Diamond Brooch
Antique, Baroque Gold Diamond Brooch
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W 1.82 in L 1.05 in
Victorian Sapphire and Diamond Necklace
Located in New York, NY
by old mine diamonds. Depicted in full page spread in the "The History of Jewelry: Joseph Saidian
Category

Antique Late 18th Century Victorian Drop Necklaces

Materials

Diamond, Blue Sapphire

Wide Diamond Ring 14kt Yellow Gold Hearts Diamond Ring
Located in Jupiter, FL
Diamond ring made in 14KT yellow gold with hearts design and wide top. GRAM WEIGHT: 10.29gr METAL
Category

Antique 18th Century European Contemporary Band Rings

Materials

Diamond, Yellow Gold, 14k Gold

Georgian Rose Cut Diamond Ring
Located in London, GB
Here we have a splendid diamond solitaire ring originally dating back to the Georgian period. A
Category

Antique 18th Century Engagement Rings

Materials

Diamond, 18k Gold, Yellow Gold

Georgian Rose Cut Diamond Cluster Ring
Located in London, GB
Here we have a delightful diamond ring originally dating back to the Georgian period. At the centre
Category

Antique 18th Century Cluster Rings

Materials

Diamond, Yellow Gold, Silver

Vintage Cocktail Diamond Ring 18kt Yellow Gold Old Cut Diamonds
Located in Jupiter, FL
Vintage Diamond ring made with old miners diamonds in 18KT yellow gold. Year unknown. Ring can be
Category

Antique 18th Century North American Art Deco More Jewelry

Materials

Diamond, 18k Gold, Yellow Gold

Georgian Rose Cut Diamond Navette Ring
Located in London, GB
of centralised oval shaped rose cut diamonds. These principle stones are then framed by a single row
Category

Antique 18th Century Fashion Rings

Materials

Diamond, Gold, Yellow Gold, Silver

Vintage Italian Made Diamond Cluster Ring, Set With 2.37ct Victorian Diamonds
Located in London, GB
italian made diamond cluster ring! Set with 2.37ct victorian cut diamonds, 0.92ct K/VS1 centre diamond
Category

Antique Mid-18th Century British Art Deco Cluster Rings

Materials

Diamond, 18k Gold

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Diamond 18th For Sale on 1stDibs

Find the exact diamond 18th you’re shopping for in the variety available on 1stDibs. Every item for sale was constructed with extraordinary care, often using Gold, 18k Gold and Yellow Gold. You can easily find a 26071 antique edition and 111 modern creations to choose from as well. Finding the perfect diamond 18th may mean sifting through those created during different time periods — you can find an early version that dates to the 18th Century and a newer variation that were made as recently as the 21st Century. For this particular accessory, there are many different carat weights to choose from, but .5 Carat and 1 Carat versions are of considerable interest. Finding an appealing diamond 18th — no matter the origin — is easy, but Cartier, Van Cleef & Arpels and Tiffany & Co. each produced a popular version that is worth a look. See these pages for a round cut iteration of this accessory, while there are also brilliant cut cut and oval cut cut versions available here, too. When shopping for a diamond 18th, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a Diamond 18th?

The price for a diamond 18th starts at $1 and tops out at $1,575,000 with these rings, on average, selling for $5,339.