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Antique Moonstone Cabochon Drop Fringe Festoon Silver Necklace
Located in Danvers, MA
, the necklace features a total of 18 petite silvery moonstone cabochons, dripping in pairs from a
Category
Antique Late 19th Century American Arts and Crafts Drop Necklaces
Materials
Moonstone, Silver
18kt. Yellow Gold Necklace, With Heart Shape Pendant & 2.89ct. Cabochon Sapphire
Located in Antwerp, BE
together approx. 0.62 ct.
Material: 18 kt. yellow gold
Measurements: 22 mm x 30.8 mm x 8.2 mm
Total
Category
20th Century European Artisan Pendant Necklaces
Materials
Diamond, Sapphire, 18k Gold, Yellow Gold
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W 0.87 in D 0.33 in L 1.22 in
Antique Signed Edwardian 14 Karat Gold & Bloodstone Cabochon Signet Ring
Located in Philadelphia, PA
Height: ca. 18 mm
Weight: ca. 3 g
Ring Size:
ca. 4
Gemstone Measurements:
Bloodstone cabochon: ca. 12
Category
Early 20th Century Edwardian Signet Rings
Materials
Jasper, 14k Gold, Gold
14K Yellow Gold Mother of Pearl and Cabochon Sapphire Cufflinks #15089
Located in Washington Depot, CT
sapphires.
Size: 18 mm x 12 mm
Weight: 5.7 dwt. / 8.8 gr.
Very good condition, professionally polished
Category
20th Century Cufflinks
Materials
Pearl, Blue Sapphire, Gold, 14k Gold, Yellow Gold
Goshwara Opal Cabochon And Diamond Earrings
By Goshwara
Located in New York, NY
: 26.09 Carats (Opal)
Diamonds: G-H / VS, Approx Wt: 2.79 Carats
Stone Size: 12 x 16 mm, 13 x 18 mm
Category
21st Century and Contemporary American Contemporary More Earrings
Materials
Diamond, Opal, 18k Gold
Antique 1950s Cabochon Ruby Diamonds 18 Carat Gold Floral Cluster Ring
Located in Milano, IT
Antique 18 carat rose and white gold floral cluster ring with cabochon cut ruby 12 x 8 millimeters
Category
Vintage 1950s Unknown Cocktail Rings
Materials
Diamond, Ruby, 18k Gold, Rose Gold, White Gold
800 Silver Blue Marbled Cabochon Stone Ring
Located in Washington Depot, CT
marbled cabochon stone (16 mm x 12 mm x 11 mm) set in beautifully detailed silver. Top of ring measures 23
Category
20th Century Unknown Fashion Rings
Materials
Silver
Leon Mege Platinum Art Deco Style Ring with Cabochon Rhodonite and Diamond Pave
By Leon Mege
Located in New York, NY
Center stone: 18 x 12 x 10 mm
The ring is 10 mm off the finger in height
The total weight of the ring is
Category
2010s American Contemporary Fashion Rings
Materials
Diamond, Rhodolite, Platinum
Antique Art Deco Platinum GIA Oval Cabochon No Heat Burma Star Ruby Diamond Ring
Located in Montclair, NJ
Stone Shape: Oval - Double Cabochon
Dimensions: 9.85 x 8.17 x 5.21 mm
Color: Purplish Red
Transparency
Category
Vintage 1920s Art Deco Engagement Rings
Materials
Diamond, Ruby, Star Ruby, Platinum
Georgian Agate Riviere Necklace and Bracelet Demi-Parure
Located in Hummelstown, PA
Agate panels in necklace: 36 x 28 mm graduated to 15 x 12 mm
Agate panels in bracelet: 20 x 16 mm - 18
Category
Antique 1810s English Pendant Necklaces
Materials
Agate, 15k Gold
Percossi Papi Signed Agate Multi gem 18 KT Cufflinks
Located in Napoli, IT
face up 12 x 11 mm. with 12.1 grams gross weight
Fine condition throughout
Percossi Papi well know for
Category
Vintage 1970s Italian Contemporary Cufflinks
Materials
Agate, 18k Gold
Victorian Natural Turquoise 2.40 Ct Diamond Rare Drop earrings
Located in Napoli, IT
crafted of solid 18 KT gold, tested
Set with two cabochons of untreated Natural Turquoise of 8x 6 mm
Category
Antique Late 19th Century European Drop Earrings
Materials
Diamond, Turquoise, 18k Gold
Etruscan Revival Tourmaline Pearl Rare Riviere 22 KT Necklace
Located in Napoli, IT
graduated from 7.1 x 5.3 mm. to 11 mm. x 8.5 mm – 12 pearls of 5 mm. in diameter (average)
Measures: length
Category
Vintage 1980s European Etruscan Revival Link Necklaces
Materials
Pearl, Tourmaline
Garavelli 18 Karat Pink Gold Pink Opal and Orange Sapphires Ring
By Garavelli
Located in Valenza, IT
EU
The cabochon is 16 x 12 mm
18KT GOLD :GR 4.60
Orange Sapphires ct 0.35
Pink opal ct 6.16
Made in
Category
2010s Italian Contemporary Solitaire Rings
Materials
Opal, Sapphire, 18k Gold, Gold, Rose Gold
Lady's Art Deco Black Opal and Pendant in Platinum
Located in New York, NY
16.5 mm. 1 round brilliant cut diamond measuring 4.35 mm. 12 single cut measuring 1.0-1.5 mm. 18
Category
Vintage 1970s American Art Deco Brooches
Materials
Black Opal, Platinum
14 Karat Yellow Gold and Mabe Pearl Earrings
Located in Washington Depot, CT
(12 mm) set in classic 14K yellow gold. Hinged closures.
Size: 23 mm x 18 mm
Weight: 4.3 dwt
Category
20th Century Lever-Back Earrings
Materials
Pearl, 14k Gold, Yellow Gold
Retro Italian Etruscan Revival Fob Bracelet 18 KT Gold
Located in Napoli, IT
Metal: 18 Kt yellow gold
Hallmarks: assay for both
Gems: 3 cabochon cut green chalcedony of 16 x 12 mm
Category
Mid-20th Century Italian Etruscan Revival Retro Bracelets
Materials
Chalcedony, Gold, 18k Gold
Square Lemon Quartz Brilliant Fashion Pendant w. Chain perfekt floating Effect
Located in Viena, Viena
grams, dimensions of the pendant approx. 12 x 9 x 9 mm, with fine anchor chain approx. 45.5 cm
Category
2010s Italian Modern Pendant Necklaces
Materials
Quartz, Pink Sapphire, 18k Gold
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W 0.32 in D 0.28 in L 0.67 in
Steven Battelle 10.0 Carats Rainbow Moonstone 18K Gold Pendant
By Steven Battelle
Located in Soquel, CA
A beautiful 12 x 16 mm oval shimmering blue rainbow moonstone cabochon is surrounded by a double
Category
21st Century and Contemporary American Contemporary Pendant Necklaces
Materials
Moonstone, Rainbow Moonstone, 18k Gold
Antique Edwardian Riker Bros. Sapphire & 14 Karat Gold Cufflinks
By Riker Brothers
Located in Philadelphia, PA
Width: ca. 18 mm
Depth: ca. 12 mm
Weight: ca. 15.2 grams
Gemstone Measurements:
4 Sapphire cabochons
Category
Early 20th Century Unknown Edwardian Cufflinks
Materials
Sapphire, Gold, 14k Gold
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W 0.71 in D 0.48 in L 1.19 in
Retro 20 Carat Coral & Diamond Cocktail Ring
Located in Santa Barbara, CA
Size: 8.75
Rise Above Finger: 14 mm
Ring Face: 21 mm W x 19 mm H
Band Width: 2 mm
Weight: 12 grams
Category
Vintage 1940s Retro Cocktail Rings
Materials
Coral, Diamond, 14k Gold, Yellow Gold
Sterling Silver and Enamel Collar Necklace with Black Onyx
By Cristina Cipolli Jewellery
Located in London, Richmond
: sterling silver
Finish: satin
Enamel: black and white
Gemstone: 10 x 12 mm oval black onyx cabochon, approx
Category
21st Century and Contemporary British Contemporary Choker Necklaces
Materials
Onyx, Silver, Sterling Silver, Enamel
Victorian Night & Day Amethyst Pearl Enamel Drop Necklace
Located in Napoli, IT
diameter is 8 mm. – Natural Pearls approx 2.5 – 3 mm. for a total of 40 Pearls
Measures: pendant is 36 x 35
Category
Antique Mid-19th Century European Victorian Pendant Necklaces
Materials
Amethyst, Pearl, 18k Gold, Enamel
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H 1.42 in W 1.38 in L 15.75 in
Goshwara Citrine Drop with Diamond Cap Pendant
By Goshwara
Located in New York, NY
Yellow Gold, from 'Naughty' Collection
18'' Chain Sold Separately
Stone Size: 19 x 12 mm
Diamonds: G-H
Category
21st Century and Contemporary Indian Contemporary More Jewelry
Materials
Citrine, Diamond, 18k Gold
Alex Jona Aquamarine 18 Karat White Gold Band Ring
By Jona
Located in Torino, IT
aquamarine cabochon weighing 4.0 carats in total. US size 6 / EU size 12. Can be made to order in 3o working
Category
21st Century and Contemporary Italian Band Rings
Materials
Aquamarine, 18k Gold, White Gold
Alex Jona Aquamarine 18 Karat Rose Gold Band Ring
By Alex Jona
Located in Torino, IT
Jona design collection, hand crafted in Italy, 18 karat rose gold band ring set with three cabochon
Category
21st Century and Contemporary Italian Band Rings
Materials
Aquamarine, 18k Gold, Rose Gold
14 Karat Black Opal and Diamond Pendant
Located in Washington Depot, CT
opal (12 mm x 9 mm) and two baguette diamonds set in classic 18K yellow gold.
*Chain not included
Category
20th Century Pendant Necklaces
Materials
Diamond, Opal, Black Opal, Yellow Gold
Georgian Socrate Agate Cameo Ring 18 KT Gold
Located in Napoli, IT
is 1800/ 1820 ca
Cameo is 12.6 x 9.1 mm ring’s crown is 16×12 mm. with 6.7 grams gross weight
Ring’s
Category
Antique Early 19th Century European Georgian Signet Rings
Materials
Agate, Gold, 18k Gold
Denmark 1970 Modernist Geometric Necklace In 18Kt Gold With 9.75 Ctw In Emeralds
Located in Miami, FL
emeralds with 3.60 carats.
Emeralds: Mounted in bezel settings, with 12 calibrated round cabochon cut of
Category
Vintage 1970s Danish Modernist Drop Necklaces
Materials
Emerald, Gold, 18k Gold, Yellow Gold
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H 2.75 in W 2.62 in L 16.5 in
Cellini 18 Karat Gold Bee Brooch with Diamonds, Gem Stones and South Sea Pearl
By Cellini
Located in New York, NY
brilliant diamonds and cabochon rubies. The body is set with a 12 x 8.5 mm South Sea Pearl . The head and
Category
1990s Italian Contemporary Brooches
Materials
Blue Sapphire, Diamond, Emerald, South Sea Pearl, Ruby, 18k Gold, Yellow...
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Dm 1.25 in
Gilbert Albert Half Set Turquoise Diamonds Pearls 18k Yellow Gold Necklace
By Gilbert Albert
Located in Paris, FR
carats
Total estimated weight of turquoise earrings: 0.94 carats
Ear clips set with 18 pearls, 12 white
Category
Vintage 1970s Swiss Modern Clip-on Earrings
Materials
Diamond, Pearl, Turquoise, Yellow Gold
Carved Heart Jadeite Jade Bird Feeding Motif Pendant Necklace in 18k Gold
Located in Miami, FL
: Green
- Measurements: 35 x 32 mm
Side Stone Details:
- Type: Diamond
- Cut: Round
- Quantity: 30
Category
2010s Asian Art Deco Pendant Necklaces
Materials
Jade, 18k Gold, Yellow Gold
David Webb 18K Yellow Gold Tiger Eye High Polished Green Enamel Cocktail Ring
By David Webb
Located in New York, NY
: Mount in the center in a bezel setting, with 1 cushion cabochon cut (25 x 18 x 12 mm) carved from
Category
20th Century American Modern Cocktail Rings
Materials
Tiger's Eye, 18k Gold, Yellow Gold, Enamel
Tony Duquette Chrysoprase Rose Quartz Tahitian Pearl Gold Necklace
Located in Los Angeles, CA
-grey, baroque Tahitian pearls measuring approximately 11 X 12 mm. See note.
METAL: 18-karat yellow
Category
1990s Contemporary Link Necklaces
Materials
Chrysophrase, Pearl, Quartz, 18k Gold, Gold
Tiffany & Co. 1970 Jean Schlumberger Cufflinks Shirt Studs 18Kt Gold & Malachite
By Jean Schlumberger for Tiffany & Co.
Located in Miami, FL
mm by 12 mm (1.26 x 0.47 Inches).
Hallmarks: Stamped with the maker's mark, the mark for the assay
Category
Vintage 1970s American Modernist Cufflinks
Materials
Malachite, Gold, 18k Gold, Yellow Gold
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W 0.47 in L 1.26 in
Tony Duquette Chrysoprase Rose Quartz Tahitian Pearl Gold Necklace
Located in Los Angeles, CA
measuring approximately 11 X 12 mm.
METAL: 18-karat yellow gold.
WEIGHT: 285.8 grams.
HALLMARKS
Category
1990s Contemporary Link Necklaces
Materials
Chrysophrase, Pearl, Quartz, Gold, 18k Gold
Jack Kelege Pink Tourmaline and Diamond Halo Pendant Necklace in 18 Karat Gold
By Jack Kelege
Located in Scottsdale, AZ
exquisite design. The focal point is an oval cabochon pink tourmaline, bezel-set in rich 18-karat yellow
Category
21st Century and Contemporary Unknown Contemporary Pendant Necklaces
Materials
Diamond, White Diamond, Tourmaline, Gold, 18k Gold, Yellow Gold, Platinum
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L 18.25 in
Modernist 1970 Cocktail Ring in 18Kt Yellow Gold 26.89 Cts Red Coral & Diamonds
Located in Miami, FL
the center in a four-prongs setting, with one round cabochon cut (20 x 20 x 9 mm) of a natural vivid
Category
Vintage 1960s Italian Modernist Cocktail Rings
Materials
Coral, Diamond, 18k Gold, Yellow Gold
Lovely Diamond and Sapphire Bow-Earrings in Yellow Gold and Platinum
Located in Lucerne, CH
Dimensions approx.: 32 mm x 12 mm / 1.25 in x 0.47 in
Weight: 8.13 gr.
Category
20th Century European Georgian Drop Earrings
Materials
Diamond, Sapphire, Gold, 18k Gold, Yellow Gold, Platinum
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W 0.47 in L 1.25 in
Vhernier Milano Large Sculptural Fibula Cocktail Ring in Solid 18kt Yellow Gold
By Vhernier
Located in Miami, FL
mm by 23.5 mm (1.02 x 0.93 Inches) and raise 12 mm over the finger.
Hallmarks: Stamped with the
Category
1990s Italian Modernist Cocktail Rings
Materials
Black Jade, Gold, 18k Gold, Yellow Gold
Angela Cummings Studios Free Forms Clip Earrings in 18kt Gold with 12 Emeralds
By Angela Cummings
Located in Miami, FL
, with 12 round cabochon cut (2.5 mm), carved from natural Colombian green emeralds with 0.72 carats
Category
Vintage 1980s American Modernist Clip-on Earrings
Materials
Emerald, 18k Gold, Gold, Yellow Gold
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W 0.59 in D 0.32 in L 0.63 in
Cartier 1970 Sculpted Dragon Brooch In 18Kt Yellow Gold With Rubies And Emerald
By Cartier
Located in Miami, FL
).
Measurements: 51 mm by 70 mm (2.02 x 2.75 Inches).
Hallmarks: Stamped with the maker's mark, the mark for the
Category
Vintage 1970s French Modernist Brooches
Materials
Emerald, Ruby, Gold, 18k Gold, Yellow Gold
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W 2.02 in D 0.65 in L 2.75 in
Verdura Milan Free Forms Clip Earrings in 18kt Gold with Carved Blue Lace Agate
By Verdura
Located in Miami, FL
natural blue lace agates.
Others: Mount into bezel settings, with 2 oval cabochon cut (12 x 10 x 6 mm) of
Category
1990s Italian Modernist Clip-on Earrings
Materials
Agate, Pearl, Gold, 18k Gold, Yellow Gold
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W 0.79 in L 1.46 in
Dinh Van 1970 Paris Geometric Sculptural Ring In 18Kt White Gold With Lapis
By Jean Dinh Van
Located in Miami, FL
top in a bezel setting, with 1 oval cabochon cut (12 x 14 x 3 mm) carved from natural blue lapis
Category
Vintage 1970s French Modernist Signet Rings
Materials
Lapis Lazuli, Gold, 18k Gold, White Gold
SeidenGang Etruscan Long Drop Earrings In 18Kt Gold With 15.76 Cts In Tourmaline
By SeidenGang
Located in Miami, FL
top with a pair of oval cabochon cut (12 x 10 x 7.5 mm) of natural vivid reddish pink tourmalines with
Category
Vintage 1980s American Etruscan Revival Drop Earrings
Materials
Tsavorite, Tourmaline, Gold, 18k Gold, Yellow Gold
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W 0.91 in L 2.02 in
Mid Century 1960 Drop Earrings in 18Kt Gold with 7.89 Ctw Turquoises & Diamonds
Located in Miami, FL
a measurements of 44 mm by 26 mm (1.73 x 1.02 Inches).
Collateral: They are accompanied by a
Category
Vintage 1960s American Modernist Dangle Earrings
Materials
Diamond, Turquoise, Gold, 18k Gold, Yellow Gold
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W 1.02 in L 1.73 in
Victorian 1880 Etruscan Pendant Brooch in 18Kt Yellow Gold with Coral and Pearls
Located in Miami, FL
with an oversized round double cabochon cut (21 x 21 x 11 mm) of a natural Sardinian red coral of 35.10
Category
Antique 1880s Victorian Brooches
Materials
Pearl, Coral, 18k Gold, Yellow Gold
W 0.83 in D 0.44 in Dm 0.83 in L 0.83 in
Modernist 1970 Convertible Maltese Pendant Brooch 18Kt Gold 106.86 Cts Gemstones
Located in Miami, FL
.
Bezel set, with 4 oval cabochon cut (12 x 20 x 8 mm) of Hungarian greenish malachite, with a total
Category
Vintage 1960s American Modernist Brooches
Materials
Chrysophrase, Coral, Malachite, Pearl, Gold, 18k Gold
Tiffany Co 1977 Angela Cummings Sautoir Necklace 18Kt Yellow Gold And Tiger Eye
By Angela Cummings for Tiffany & Co.
Located in Miami, FL
beads (17 x 12 mm) with a total weight of 785 carats.
Weight: 176.95 grams, (113.43 Dwt.).
Length: 36
Category
Vintage 1970s American Modernist Drop Necklaces
Materials
Quartz, Tiger's Eye, Gold, 18k Gold, Yellow Gold
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W 1.28 in L 36 in
Roman 1880 Etruscan Revival Mechanical Scarab Brooch In 18Kt Gold With Opals
Located in Miami, FL
).
Measurements: 44 mm by 32 mm by 12 mm (1.73 x 1.26 x 0.47 Inches).
Hallmarks: Stamped with the maker's mark
Category
Antique 1880s Italian Etruscan Revival Brooches
Materials
Opal, Ruby, Gold, 18k Gold, Yellow Gold
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W 1.26 in D 0.47 in L 1.73 in
Cartier 1974 Aldo Cipullo Sculptural Earrings 18Kt Yellow Gold With Onyx & Coral
By Aldo Cipullo for Cartier
Located in Miami, FL
.
Coral: Mounted in posts settings, with 10 spherical cabochon cut (5.5 mm) of natural Sardinian red coral
Category
Vintage 1970s American Modernist Clip-on Earrings
Materials
Coral, Onyx, Gold, 18k Gold, Yellow Gold
Verdura Milan Polka Dots Ring In 18Kt Gold With 19.85 Ctw In Turquoise And Coral
By Verdura
Located in Miami, FL
top view, is 26 mm by 22 mm (0.71 x 0.63 Inches) and raise 12 mm over the finger.
Hallmarks: Stamped
Category
1990s Italian Modernist Cocktail Rings
Materials
Coral, Turquoise, Gold, 18k Gold, Yellow Gold
Temple St Clair Cocktail Ring in 18kt Yellow Gold with 11.26 Cts Oval Moonstone
By Temple St. Clair
Located in Miami, FL
, with 1 oval cabochon cut (16 x 12 x 8 mm) carved from natural translucent moonstone of 11.26 carats
Category
Late 20th Century Italian Medieval Cocktail Rings
Materials
Moonstone, Yellow Gold, 18k Gold, Gold
Alvaro & Correnti Messina Convertible Cocktail Ring 18Kt Gold 18.8 Cts Carnelian
Located in Miami, FL
oval cabochon cut (12 x 22 x 10 mm) carved from natural translucent vivid orange carnelian with a
Category
Vintage 1980s Italian Renaissance Revival Cocktail Rings
Materials
Carnelian, Gold, 18k Gold, Yellow Gold
Leo De Vroomen London Pair Of Enameled Clip Earrings 18Kt Yellow Gold Citrines
By Leo de Vroomen
Located in Miami, FL
bezels settings, with a pair of oval cabochon cut (13.5 x 9,8 x 7 mm) of natural Brazilian vivid orange
Category
1990s British Contemporary Clip-on Earrings
Materials
Citrine, Gold, 18k Gold, Yellow Gold, Enamel
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W 0.78 in L 1.1 in
Elizabeth Gage 1989 London Enameled Egyptian Clips Earrings 18Kt Gold With Jade
By Elizabeth Gage
Located in Miami, FL
in the center in bezel settings, with 2 oval cabochon cut (15 x 12 x 8 mm) pieces of natural dark
Category
Vintage 1980s English Egyptian Revival Clip-on Earrings
Materials
Jade, Gold, 18k Gold, Yellow Gold, Enamel
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W 1.22 in L 1.41 in
Temple St Clair Cocktail Ring in 18kt Yellow Gold with 11.26 Cts Oval Moonstone
By Temple St. Clair
Located in Miami, FL
, with 1 oval cabochon cut (16 x 12 x 8 mm) carved from natural translucent moonstone of 11.26 carats
Category
Late 20th Century Italian Medieval Cocktail Rings
Materials
Moonstone, Yellow Gold, 18k Gold, Gold
Art Deco 1930 American Ring In Platinum With 28.13 Cts In Sapphire And Diamonds
Located in Miami, FL
cabochon cut (17 x 14.5 x 10.25 mm) of a natural white star sapphire of 27.25 carats. The sapphire is not
Category
Vintage 1930s American Art Deco Cocktail Rings
Materials
Star Sapphire, Sapphire, White Diamond, Diamond, Platinum
Tiffany & Co. Angela Cummings Coral Multi Strand Necklace Mounted in 18k Gold
By Angela Cummings for Tiffany & Co.
Located in Miami, FL
crafted in solid yellow gold of 18 karats with high polished finish.
Coral Gemstones: Mount with 12
Category
1990s American Modernist Multi-Strand Necklaces
Materials
Coral, Gold, 18k Gold, Yellow Gold
W 0.83 in D 0.76 in L 32.5 in
Chaumet 1960 Paris Pair Of Turtles Brooches 18Kt Gold 13.82 Cts Diamonds & Gems
By Chaumet
Located in Miami, FL
with 12 cabochon mixed cut of natural blue lapis lazuli and pink rhodochrosite gemstones with a
Category
Vintage 1950s French Modernist Brooches
Materials
Diamond, Lapis Lazuli, Rhodocrosite, Gold, 18k Gold, Yellow Gold
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W 1.54 in D 0.75 in L 2.13 in
- 1
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18x12 Mm Cabochon For Sale on 1stDibs
Find the exact 18x12 mm cabochon 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 175 antique edition and 43 modern creations to choose from as well. You’re likely to find the perfect 18x12 mm cabochon among the distinctive items we have available, which includes versions made as long ago as the 18th Century as well as those produced as recently as the 21st Century. Finding an appealing 18x12 mm cabochon — no matter the origin — is easy, but Bulgari, Jona and Maximilian Hemmerle for RenéSim each produced a popular version that is worth a look. A 18x12 mm cabochon of any era or style can lend versatility to your look, but a version featuring diamond, from our inventory of 73, is particularly popular. See these pages for a cabochon iteration of this accessory, while there are also mixed cut cut and brilliant cut cut versions available here, too. If you’re browsing our inventory for a 18x12 mm cabochon, 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 18x12 Mm Cabochon?
Prices for a 18x12 mm cabochon can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $105 and can go as high as $585,000, while this accessory, on average, fetches $5,713.
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