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Opal Crystal Pipe Gold Ring Natural Gemstone Multicolor Hameleon Triangle Opal
Located in Berlin, DE
18K gold ring with natural Crystal Pipe Opal opal origin - Australia opal measurements - 0.12 x
Category

2010s German Artisan Fashion Rings

Materials

Opal, White Gold, Gold, 18k Gold

Set of Brass & Opal Glass Triangle Wall Sconces from Glashütte Limburg, Germany
By Glashütte Limburg
Located in Voorburg, NL
Germany by Glashütte Limburg in the 1970s. Each lamp has a large and very solid triangle opal glass base
Category

Mid-20th Century German Mid-Century Modern Wall Lights and Sconces

Materials

Brass

Brass & Opal Glass Triangle Wall Sconces from Glashütte Limburg, 1980s, Set of 2
By Glashütte Limburg
Located in Bastogne, BE
Glashütte Limburg in the 1980s. Each lamp has a very solid triangle opal glass base surrounded with a
Category

Vintage 1980s German Minimalist Wall Lights and Sconces

Materials

Brass

Boulder Opal Gold Pendant Walnut Brown Triangle nugget
Located in Berlin, DE
18K gold pendant with natural Boulder Opal opal origin - Australia opal measurements - 0.16 х
Category

2010s French Aesthetic Movement Pendant Necklaces

Materials

Opal, Gold, 18k Gold, Yellow Gold

Boulder Opal Gold Pendant Walnut Brown Triangle nugget
Boulder Opal Gold Pendant Walnut Brown Triangle nugget
Free Shipping
H 1.1 in W 0.67 in D 0.16 in L 0.79 in
Boulder Opal Gold Earrings Triangle Australian Gemstone Rainbow gemstone
By Alexey Gabilo
Located in Berlin, DE
14K yellow gold earrings with natural Boulder Opal opal origin - Australia opals measurements
Category

2010s French Art Nouveau Lever-Back Earrings

Materials

Opal, 14k Gold, Yellow Gold, Gold

Freeform Black Opal Triangle and Diamond Ring in 18k White Gold
Located in Honolulu, HI
Item Specifications: Metal: 18K White Gold Style: Opal and Diamond Ring Total Weight: 16.10
Category

Late 20th Century Unknown Modern Cocktail Rings

Materials

Diamond, Opal, Black Opal, 18k Gold, White Gold

Opal Silver Ring Triangle Multicolor Neon Sea Green Natural Australian Gemstone
Located in Berlin, DE
Men's matte finish silver ring with natural Boulder Opal opal origin - Australia ring weight
Category

2010s German Artisan Cocktail Rings

Materials

Opal, Silver

Triangle Cabochon White Opal Brooch / Pendant with Diamonds 18 Karat Yellow Gold
Located in Scottsdale, AZ
will absolutely adore. Metal: 18 Yellow Gold Natural Opal: 27.72 ctw Opal shape: Cabochon triangle
Category

20th Century Unknown Contemporary Brooches

Materials

Diamond, Opal, Gold, 18k Gold, Yellow Gold

Ethiopian Triangle Cabouchon Opal and Diamond 18 Carat Gold Pendant and Chain
Located in London, GB
This unique necklace features a lovely triangle Ethiopian cabochon opal with a beautiful play of
Category

2010s English Modern Pendant Necklaces

Materials

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

Vintage Opal Ring 14k Yellow Gold Sz 7 Triangle Cocktail Jewelry Fine Estate
Located in Torrance, CA
Stylish vintage opal cocktail ring crafted in 14 karat yellow gold (circa 1960s to 1970s). Center
Category

Mid-20th Century American Modern Cocktail Rings

Materials

Opal, 14k Gold, Yellow Gold, Gold

Koldova 'Puro Contour Triangle 800' Blown Opal Glass Pendant in White for Brokis
By Lucie Koldova, Brokis
Located in Glendale, CA
Koldova 'Puro Contour Triangle 800' Blown opal glass pendant in White for Brokis. Handmade to
Category

21st Century and Contemporary Czech Mid-Century Modern Chandeliers and P...

Materials

Metal

Triangle Design Opal Glass and Gold Metal Pair of Sconces by WKR, 1970s, Germany
By WKR Leuchten
Located in Hagenbach, DE
Triangle Design Opal Glass and Gold Metal Pair of Sconces by WKR, 1970s, Germany Very elegant and
Category

Vintage 1970s German Mid-Century Modern Wall Lights and Sconces

Materials

Brass

Yellow Gold Black Opal Diamond Ring
Located in Palm Desert, CA
at the center and triangle-shaped black opal inlays. The five 2.5mm round diamonds have a carat total
Category

1990s Unknown Retro Band Rings

Materials

Opal, Black Opal, Diamond, Gold, 14k Gold, Yellow Gold

Black Opal Necklace 18k gold with silver
Located in The Hague, ZH
2.4 cm x 1.4 cm triangle shape cabochon cut opal - 1 x 1.2 cm x 1.6 cm square shape cabochon cut opal
Category

2010s Dutch Modern Choker Necklaces

Materials

Black Opal, 18k Gold, Silver

Black Opal Necklace 18k gold with silver
Black Opal Necklace 18k gold with silver
No Reserve
H 0.6 in W 5.91 in L 16.93 in
14k Yellow Gold Five Drop Opal Earrings
Located in Brooklyn, NY
Boulder Opal Triangles, 2.93ct, blue, 16.3x7.7x3.1mm
Category

21st Century and Contemporary North American Drop Earrings

Materials

Opal, 14k Gold, Yellow Gold

18K Yellow Gold Fire Opal Signed Munsteiner Decorative Cocktail Ring
By Atelier Munsteiner
Located in Westport, CT
Independent Labratories. Centered with a fancy triangle shaped fire opal weighing approximately 11.17 CT
Category

Vintage 1980s Cocktail Rings

Materials

Opal, Fire Opal, Yellow Gold

Auction - 18.30 Carat Opal and 1.11 Carat Diamond Ring
Located in New York, NY
Beautiful Pear shape Fire Opal weighing 18.30 Carats flanked by Triangle diamonds weighing 1.11
Category

2010s Cocktail Rings

Materials

Diamond, Opal, 18k Gold

Natural 2.85 Ct Australian boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
western Queensland, Australia in 2022. Sue processed the rough opal herself and cut into a triangle shape
Category

2010s Australian Loose Gemstones

Materials

Opal

Natural 2.85 Ct Australian boulder opal mined by Sue Cooper
Natural 2.85 Ct Australian boulder opal mined by Sue Cooper
Free Shipping
W 0.44 in D 0.11 in L 0.41 in
Natural 2.75 Ct Australian green and pink black boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
western Queensland, Australia in 2024. Sue processed the rough opal herself and cut into into a triangle
Category

2010s Australian Loose Gemstones

Materials

Opal, Black Opal

14K Gold Opal and Seed Pearl Vintage Charm Pendant
Located in Rotterdam, NL
design set with two tiny seed pearls and two beautiful white opals. The frame is modelled into a triangle
Category

Mid-20th Century European Pendant Necklaces

Materials

Opal, Pearl, 14k Gold

4.56 Carat Opal Diamond Rose Gold Engagement Ring
By Roshe Jewels
Located in Los Angeles, CA
Ring made in a 14K Rose Gold setting. The Triangle Cut Opal in this Ring weighs 3.73 carats and is
Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, Opal, 14k Gold, Rose Gold

Platinum Boulder Opal and Diamond Ring with 18K Accent
Located in Addison, TX
Behold the exquisite elegance of the Platinum Boulder Opal and Diamond Ring, a mesmerizing piece
Category

20th Century Engagement Rings

Materials

White Diamond, Opal, Gold, 18k Gold, Platinum

Delta Sigma Phi Ring, 14k White Gold Fraternity Sweetheart Opals
Located in Greensboro, NC
This sweetheart ring features a circle of white enamel with a triangle equally split in 3 pieces
Category

21st Century and Contemporary More Rings

Materials

Opal, White Gold

Retro c1960's Australian 4.50ct Opal 9K Yellow Gold Ring
Located in MELBOURNE, AU
Australian Opal Doublet of very unusual triangle shape of impressive 4.50ct (20mm x 14mm approx
Category

Vintage 1960s Australian Retro Cocktail Rings

Materials

Opal, 9k Gold, Yellow Gold

14 Karat White Gold Tanzanite, Diamond and Opal Inlay Earrings #13738
Located in Washington Depot, CT
stunning earrings each feature two triangle cut tanzanites, two inlay black opals and ten round brilliant
Category

20th Century Drop Earrings

Materials

Diamond, Opal, Tanzanite, White Gold

Delta Sigma Phi Ring, 14k White Gold Fraternity Sweetheart Opals
Located in Greensboro, NC
This sweetheart ring features a circle of white enamel with a triangle equally split in 3 pieces
Category

Late 20th Century Unknown Signet Rings

Materials

Opal, White Gold

1980s Opal Diamond 18 Karat Yellow White Gold Triangular Vintage Halo Ring
Located in Philadelphia, PA
Centering a triangle-shaped opal cabochon measuring 8.0 x 8.0 mm Translucent white in body color
Category

Vintage 1980s Engagement Rings

Materials

Diamond, Opal, Gold, White Gold

Baume Creation Opal Mint Garnet 18 Karat Yellow Gold Dangle Earrings
By Baume
Located in Poitiers, FR
, created by our Maison, are original and unique thanks to the gems they are made of. A pair of triangle-cut
Category

21st Century and Contemporary French Modern Dangle Earrings

Materials

Garnet, Opal, Tsavorite, Gold, 18k Gold, Yellow Gold

Contemporary Monument Table Lamp - Triangle in Granite, Solid Steel and Glass
By Louis Jobst
Located in London, GB
Monument Lamp - Triangle, Luna Pearl Granite, solid steel billet and matte opal glass globe Louis
Category

2010s English Modern Table Lamps

Materials

Marble, Steel

Contemporary Monument Table Lamp - Triangle in Granite, Solid Steel and Glass
By Louis Jobst
Located in London, GB
Monument Lamp - Triangle, Luna Pearl Granite, solid steel billet and matte opal glass globe Louis
Category

2010s English Modern Table Lamps

Materials

Marble, Steel

Opal and Diamond 14 Karat Gold Cocktail Statement Fashion Ring, Size US 6
Located in Milford, DE
: .14 cm diameter each Hallmarks: 14K, DRA, triangle motif Total weight: 2.2 g Condition: Opal, diamonds
Category

Vintage 1960s Cocktail Rings

Materials

Diamond, Opal, 14k Gold, Gold

Swoop-Triangle Post Earrings, Sleeping Beauty Turquoise Inlay, 14k Yellow Gold
By Kabana
Located in Bozeman, MT
Swoop-Triangle Post Earrings with Sleeping Beauty Turquoise Inlay, 14k Gold, Small, 3/4" All
Category

2010s American Contemporary Stud Earrings

Materials

Turquoise, Gold, 14k Gold, Yellow Gold

Rose Quartz Horizon Ring in 18k Rose Gold with Diamond Bezel & Opal Cluster
By Karma El Khalil
Located in New York, NY
of white diamonds and supported by a covert bejeweled under gallery of custom triangle-cut opals
Category

2010s American Contemporary Cocktail Rings

Materials

White Diamond, Opal, Quartz, Diamond, 18k Gold, Rose Gold, Gold

Black Onyx Inlay Triangle Post Earrings, 14 Karat Yellow Gold, by Kabana
By Kabana
Located in Bozeman, MT
Triangle Post Earrings with Black Onyx Inlay, 14kt Yellow Gold by Kabana All designs may be custom
Category

2010s American Contemporary Stud Earrings

Materials

Onyx, Gold, 14k Gold, Yellow Gold

Koldova 'Puro Contour Triangle 800' Blown Grey Glass Pendant in Black for Brokis
By Lucie Koldova, Brokis
Located in Glendale, CA
Koldova 'Puro Contour Triangle 800' blown grey glass pendant in black for Brokis Handmade to
Category

21st Century and Contemporary Czech Mid-Century Modern Chandeliers and P...

Materials

Metal

Angelo Lelli Attributed Large Brass Opal Glass Lamp, Italy, circa 1950
By Angelo Lelii, Arteluce
Located in Vienna, AT
Rare large 29" pendant lamp opal glass attributed to Lelli, circa 1950 Beautiful opal glass
Category

Vintage 1950s Italian Mid-Century Modern Chandeliers and Pendants

Materials

Brass

Archimede Seguso Murano Opal Pink Alabastro Glass Folded Bowl / Ashtray
By Archimede Seguso
Located in Barcelona, ES
Funny hand blown Murano pink and opalescent white glass triangle bowl with folded rim. Attributed
Category

20th Century Italian Mid-Century Modern Decorative Bowls

Materials

Glass, Opaline Glass, Murano Glass, Blown Glass, Art Glass

Paula Crevoshay 18k Yellow Gold, Gemstone and Diamond Ring
By Paula Crevoshay
Located in Perry, FL
Gorgeous open work band having a center oval cut cabochon opal flanked on top and bottom by
Category

21st Century and Contemporary Band Rings

Materials

Diamond, Opal, Yellow Gold

GIA Certified 2.02 Carats Unheated Blue Sapphire
Located in Los Angeles, CA
Identification: Natural Unheated Blue Sapphire 2.02 carats Carat: 2.02 carats Shape: Triangle
Category

21st Century and Contemporary Unknown Loose Gemstones

Materials

Blue Sapphire

GIA Certified 2.02 Carats Unheated Blue Sapphire
GIA Certified 2.02 Carats Unheated Blue Sapphire
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W 0.31 in D 0.19 in L 0.31 in
Contemporary Monument Table Lamp - Square in Travertine, Solid Steel and Glass
By Louis Jobst
Located in London, GB
Monument Lamp - Square with Honed Roman Travertine, Solid Steel Billet and handblown Opal Matte
Category

2010s English Modern Table Lamps

Materials

Stone, Travertine, Steel

Chain Necklace Yellow GoldDiamond
Located in PARIS, FR
Bicolor collar in yellow gold and white gold 18k compound of a triangle pattern Opal (1.5 cm x 2.2
Category

20th Century French Chain Necklaces

Materials

Yellow Gold

Chain Necklace Yellow GoldDiamond
Chain Necklace Yellow GoldDiamond
Free Shipping
W 2.37 in L 16.54 in
Contemporary Monument Table Lamp Circle in Carrara Marble, Solid Steel and Glass
By Louis Jobst
Located in London, GB
Carrara marble slots into the steel base. The opal glass diffuser is hand blown with a matte finish. The
Category

2010s English Modern Table Lamps

Materials

Marble, Carrara Marble, Steel

Angelo Lelii for Arredoluce Floor Lamp in Brass and Carrara Marble
By Arredoluce, Angelo Lelii
Located in Waalwijk, NL
aluminum, duplex white opal glass, Carrara marble, Italy, late 1950s With its exquisite form, masterful
Category

Vintage 1950s Italian Mid-Century Modern Floor Lamps

Materials

Marble, Aluminum, Brass

Ararat Rugs Mamluk Rug with Palm Trees and Cypresses Revival Carpet Natural Dyed
By Ararat Rugs
Located in Tokyo, JP
. Triangles placed around the octagon transform it into an eight-pointed star enclosed by a frame with papyrus
Category

21st Century and Contemporary Turkish Revival Turkish Rugs

Materials

Wool, Natural Fiber, Organic Material

Marble and Wedge Floor Lamp by Square in Circle
Located in Geneve, CH
floor lamp is inspired by Bauhaus geometry and the three simple forms – triangle, square and circle
Category

2010s British Post-Modern Floor Lamps

Materials

Marble, Metal, Brass, Other

Marble and Wedge Floor Lamp by Square in Circle
Marble and Wedge Floor Lamp by Square in Circle
H 57.96 in W 17.13 in D 15.75 in
Antique Necklace Natural Seed Pearls solid 18K Gold / 37cm/ 1.8 gr
Located in SE
identically on both sides. Underneath the triangles, there are tiny inscriptions in dot code that apparently
Category

Antique Early 1900s European Art Nouveau Beaded Necklaces

Materials

Pearl, 18k Gold

Antique Necklace Eye of God solid 19K Gold / 26.6 gr
Located in SE
identically on both sides. Underneath the triangles, there are tiny inscriptions in dot code that apparently
Category

Antique Late 18th Century European Egyptian Revival Pendant Necklaces

Materials

18k Gold

Men's 4 Carat Salmon Tourmaline European 18 Karat Ring
Located in METAIRIE, LA
carat Natural Salmon colored Tourmaline at 10mm x 10mm, securely set in 4 Triangle-Shaped prongs
Category

1990s Italian Solitaire Rings

Materials

Diamond, Tourmaline, 18k Gold, White Gold

14 Karat Yellow Gold 0.35 Carat Opal and Diamonds Triangle Ring
Located in New York, NY
14k Yellow Gold 0.35tcw Opal W/ Diamonds Triangle Ring Size 7.25 Size: 7.25 Metal: 14k Yellow Gold
Category

2010s American Cocktail Rings

Materials

Diamond, Opal, 14k Gold, Yellow Gold

Crocodile Skin Triangle Earrings, Citrine and Fire Opal Set in Sterling Silver
By Jane Magon Collections
Located in New York, NY
Jane Magon Collections Crocodile Skin Earrings with Round Faceted Citrines with Mexican Fire Opal
Category

2010s Australian Contemporary Dangle Earrings

Materials

Citrine, Opal, Sterling Silver

Mociun Opal, Sunstone and Turquoise Earrings
Located in Brooklyn, NY
One of a kind earrings Two Oregon opals have a total gem weight of 4.52ct Eight pear cut, Oregon
Category

2010s American Contemporary Chandelier Earrings

Materials

Opal, Turquoise, 18k Gold

Art Deco Opal Diamond Platinum Cocktail Ring
Located in New York, NY
Art Deco opal & diamond ring centering an oval opal measuring app. 12.1 x 10.05mm and weighing app
Category

Vintage 1930s Unknown Art Deco Cocktail Rings

Materials

Diamond, Opal, Platinum

12.36 Carat Opal Diamond Two-Color Gold Ring
By Shreve, Crump & Low
Located in Chestnut Hill, MA
carats. The oval opal is surrounded by pave set diamonds. The shoulders have a YG triangle bezel filled
Category

21st Century and Contemporary More Rings

Materials

Diamond, Opal, White Diamond, 18k Gold, White Gold, Yellow Gold

Nevada Turquoise, Black Opal, Tourmaline, Moonstone, Iolite Openwork Bracelet
By Daria de Koning
Located in Los Angeles, CA
studded with cabochons of green tourmaline, rainbow moonstone, iolite and turquoise. Triangles of
Category

2010s American Artist Cuff Bracelets

Materials

Garnet, Iolite, Moonstone, Opal, Tourmaline, Turquoise, 18k Gold

Boulder Opal and Eclipse Diamond Pendant in 18 Karat Gold
By The Golden Eye
Located in Santa Fe, NM
A rounded triangle slice of purple Boulder Opal sits behind a free hanging eclipse pendant of 18
Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Brown Diamond, Opal, 18k Gold

Statement Ring Fire Opal Diamond 14 Karat Yellow Gold Contemporary Art Fashion
By Cornelis Hollander
Located in Scottsdale, AZ
This Cornelis Hollander ring is featuring our favorite shape - the triangle. It features strait
Category

2010s American Contemporary Fashion Rings

Materials

Diamond, Opal, 14k Gold

Unusual Triangular Form French Brass and Opal Glass Chandelier
Located in Stamford, CT
French Sputnik style chandelier in an unusual form, the six gloss opal globes radiating from a
Category

Vintage 1950s French Mid-Century Modern Chandeliers and Pendants

Materials

Brass

Gray Rainbow Opal Pendant, 14k Yellow Gold, Triangle Opal
Located in McLeansville, NC
. Crafted from 14K yellow gold, this triangle opal charm features a large, 1.25-inch opal, with beautiful
Category

Vintage 1970s Pendant Necklaces

Materials

Opal, 14k Gold, Yellow Gold

Art Deco Opal Diamond Platinum Ring
Located in Beverly Hills, CA
the bill. Fourteen single-cut diamonds form glittering triangles on either side of the opal to create
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Opal, Diamond, Platinum

Unity Ring in Opal, Diamond, Sapphire and Silver
Located in Oakland, CA
Intention: Love triangle Dorian's Find: We're obsessed with this find! This is a very unique
Category

21st Century and Contemporary Unknown Contemporary Cocktail Rings

Materials

Opal, Sapphire, Diamond, Silver

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Triangle Opal For Sale on 1stDibs

Surely you’ll find the exact triangle opal you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Frequently made of Gold, 18k Gold and Yellow Gold, this item was constructed with great care. You’re likely to find the perfect triangle opal among the distinctive items we have available, which includes versions made as long ago as the 20th Century as well as those produced as recently as the 21st Century. Finding an appealing triangle opal — no matter the origin — is easy, but Alexey Gabilo, Gems and Jewels UK and Jane Magon Collections each produced a popular version that is worth a look. A triangle opal of any era or style can lend versatility to your look, but a version featuring Opal, from our inventory of 8, is particularly popular. Today, if you’re looking for a cabochon version of this piece and are unable to find the perfect match, our selection also includes bead and trillion cut alternatives. Most of our triangle opal for sale are for women, but there are 6 pieces available to browse for men.

How Much is a Triangle Opal?

The price for a triangle opal starts at $120 and tops out at $13,312 with these necklaces, on average, selling for $1,516.