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Large Fancy 2.05 Ct Triangular Diamond Solitaire and Brilliant Cut Dia Wave Ring
By Ri Noor
Located in Houston, TX
Make a statement with this significant 2.05 fancy Triangular diamond solitaire and brilliant cut
Category

2010s Cocktail Rings

Materials

Diamond, Emerald

Ralph Masri Modernist Triangular Diamond Earrings
By Ralph Masri
Located in Barcelona, Barcelona
18kt white gold triangular earrings with diamonds from Ralph Masri's Modernist collection, inspired
Category

21st Century and Contemporary Lebanese Modernist Drop Earrings

Materials

Diamond, 18k Gold, White Gold

Ralph Masri 1919 Triangular Diamond Ring
By Ralph Masri
Located in Barcelona, Barcelona
with diamonds (1.02cts).
Category

21st Century and Contemporary Lebanese Modernist Fashion Rings

Materials

Diamond, 18k Gold, White Gold

Emerald Cut Emerald and Triangular Diamond Platinum Ring
By Trabert Hoeffer
Located in Chicago, IL
Platinum ring prong, set with one emerald cut emerald weighing 6.98cts and two prong set triangular
Category

Early 2000s American Contemporary Three-Stone Rings

Materials

Diamond, Emerald, Platinum

Ralph Masri 1919 Triangular Diamond Blue Topaz Ring
By Ralph Masri
Located in Barcelona, Barcelona
Edgy two-tone ring from Ralph Masri's '1919' Bauhaus-inspired collection, set with diamonds and
Category

21st Century and Contemporary Lebanese Modernist Cocktail Rings

Materials

Diamond, Topaz, Blue Topaz, 18k Gold, White Gold

Gubelin Certified Colombian Emerald Ct 5.48 Two Triangular Diamonds Ct 1.65 Ring
By Garavelli
Located in Valenza, IT
triangular white diamonds total carat weight 1.65 These three beautiful stones have been set in a classic
Category

21st Century and Contemporary Italian Contemporary Solitaire Rings

Materials

Diamond, Emerald, 18k Gold

Triangular Diamond and Pearl Earrings in 18K Yellow and White Gold Earrings
By Valentin Magro
Located in New York, NY
Brilliant cut diamonds pave set in 18k white gold scintillate bright light. The tips of the
Category

2010s American Clip-on Earrings

Materials

Diamond, White Diamond, Pearl, Natural Pearl, Gold, White Gold, Yellow G...

Black Tahitian Pearl and Triangular Diamond Stud Earrings in 18 Karat White Gold
Located in Scottsdale, AZ
captivating dark hue. Accompanying each pearl is a triangle-cut diamond, adding a touch of geometric elegance
Category

21st Century and Contemporary Unknown Contemporary Stud Earrings

Materials

Diamond, White Diamond, Cultured Pearl, Gold, 18k Gold, White Gold

1.65 Carat Diamond Gold Triangular Post Clip Earrings
Located in Stamford, CT
1960’s handmade shiny finish with bezel set round and triangular diamonds. Pierced post and clips
Category

Mid-20th Century Dangle Earrings

Materials

Diamond, 14k Gold, Yellow Gold, Gold

Round Cut Diamond Triangular Pendant Necklace 14K Yellow Gold 18 Inches
Located in New York, NY
Elevate any outfit with this beautiful triangular diamond pendant necklace. Crafted in 14K yellow
Category

2010s Modern Pendant Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

Moroccan Village Rug in Multicolor
Located in New York, NY
Triangular Diamond Pattern on Moroccan Village Carpet
Category

Mid-20th Century Moroccan and North African Rugs

Materials

Wool

Diana M. Magnificent Green Emerald Diamond Ring with Trillions 21.80cts Emerald
By Diana M. Jewels
Located in New York, NY
GIA certified triangular diamonds weighing 3.51 cts tw (GIA#2223712910 & #5221712916)
Category

21st Century and Contemporary American Modern Three-Stone Rings

Materials

Diamond, Emerald, 18k Gold, Platinum

Certified Emerald & Diamond Three-Stone Ring
Located in New York, NY
, 11.12 cts and 2 side triangular diamonds, 1.55 cts Certified by AGL laboratory Ring Size 6 Resizable
Category

Vintage 1980s Unknown Three-Stone Rings

Materials

Diamond, Emerald, 18k Gold, Platinum

Cartier Art Deco Platinum, Diamond, and Buff-Top Sapphire Ring
By Cartier
Located in New York, NY
loop on one end and a triangular diamond in the shoulder, in platinum. Cartier Top measures
Category

Vintage 1930s Art Deco Band Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

3.17 Carat Oval Cut Ruby and Diamond Three-Stone Engagement Ring
Located in New York, NY
(triangular) diamonds. Set in a tapering platinum mounting. Ruby weighs 3.17 carats. Side Diamonds weigh 0.53
Category

Vintage 1980s American Contemporary Engagement Rings

Materials

Diamond, Ruby, Platinum

Cartier Platinum 2.40ct Diamond and Pearl Earrings
By Cartier
Located in Southampton, PA
expertly accented by triangular Diamonds with a total weight of 2.05 carats and additional Diamond accents
Category

21st Century and Contemporary Drop Earrings

Materials

Diamond, Pearl, Platinum

2.59 Carat Green Emerald and Trillion Diamond Three-Stone Engagement Ring
Located in New York, NY
with brilliant trillion (triangular) diamonds on either side. Set in a tapered 18k yellow gold mounting
Category

1990s American Contemporary Engagement Rings

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

Sybarite Men's Transformer Ring
By Sybarite Jewellery
Located in London, GB
features a triangular diamond nestled between the row of white and black diamonds. The second, a triangular
Category

2010s Italian Wedding Rings

Materials

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

Substantial French Black, White & Silver "Diamond" Art Pottery Table Lamp, 1930s
Located in Bainbridge, NY
handcrafted tall 43" inch slender bottle form, with white background, black triangular diamond design accented
Category

Vintage 1930s French Art Deco Table Lamps

Materials

Ceramic, Wood

Messika 0.30Cttw Thea Diamond Stud Earrings 18K White Gold
By Messika
Located in New York, NY
white gold. Features center prong set triangular diamond with round cut diamond halo weighing 0.30 carat
Category

2010s Modern Stud Earrings

Materials

Diamond, 18k Gold, White Gold

Messika 0.32Cttw Thea Diamond Stud Earrings 18K Yellow Gold
By Messika
Located in New York, NY
yellow gold. Features center prong set triangular diamond with round cut diamond halo weighing 0.32 carat
Category

2010s Modern Stud Earrings

Materials

Diamond, 18k Gold, Yellow Gold

Messika 0.27Cttw Thea Diamond Stud Earrings 18K Rose Gold
By Messika
Located in New York, NY
rose gold. Features center prong set triangular diamond with round cut diamond halo weighing 0.27 carat
Category

2010s Modern Stud Earrings

Materials

Diamond, 18k Gold, Rose Gold

Messika 0.34Cttw Thea Diamond Ring 18K White Gold Size 53 US 6.5
By Messika
Located in New York, NY
two triangular diamonds with a halo of round brilliant cut diamonds in pave setting. Total diamond
Category

2010s Modern Cocktail Rings

Materials

Diamond, 18k Gold, White Gold

Vintage gold YSL clips
By Yves Saint Laurent
Located in Paris, FR
, triangular diamonds Model : clips Color: sapphire, transparent Size : 4 x 1 cm Stamp : yes Jewelry: gold
Category

1990s Clip-on Earrings

Vintage gold YSL clips
Vintage gold YSL clips
Free Shipping
D 0.4 in L 1.58 in
Buccellati Diamond Gold Dangle Drop Omega Clip Earrings
By Buccellati
Located in Miami, FL
18K white gold, Measures 46mm long and 23mm wide Set with two triangular diamonds and Round diamonds
Category

Vintage 1980s Italian Dangle Earrings

Materials

Diamond, Gold

Buccellati Sapphire 5.57 Carats Burmese and Triangle Diamonds Ring
By Gianmaria Buccellati
Located in Paris, FR
and 2 triangular Diamonds LFG Paris Certificate for the diamonds: one is 1.29 Carats GSI2, the other
Category

1990s Italian Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, 18k Gold, White Gold

Messika 0.34Cttw Thea Diamond Ring 18K White Gold Size 52 US 6.25
By Messika
Located in New York, NY
two triangular diamonds with a halo of round brilliant cut diamonds in pave setting. Crafted in
Category

2010s Modern Cocktail Rings

Materials

Diamond, 18k Gold, White Gold

Messika 0.65Cttw Thea Toi & Moi Diamond Ring 18K White Gold Size 52 US 6
By Messika
Located in New York, NY
. Adorned with two triangular diamonds with a halo of round brilliant cut diamonds in pave setting. Total
Category

2010s Modern Cocktail Rings

Materials

Diamond, White Gold

Spectra Fine Jewelry GRS Certified 4.09 Carat Colombian Emerald Diamond Ring
By Spectra Fine Jewelry
Located in New York, NY
enhancement. 2 triangular diamonds on both sides of the center stone weigh 0.82 carats total, G color, VS
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Emerald, 18k Gold, Platinum

Messika Thea Toi & Moi Diamond Ring 18K Blackened White Gold Size 54 US 6.75
By Messika
Located in New York, NY
gold. Adorned with two triangular diamonds with a halo of round brilliant cut diamonds in pave setting
Category

2010s Modern Cocktail Rings

Materials

Diamond, 18k Gold, White Gold

1950 Demi Parure Diamond Platinum Flowers Earrings Earclips Dress Clip
Located in Munich, Bavaria
diamonds, one triangular diamond, and sixty round diamonds set in platinum. Each clip has thirty-one
Category

Vintage 1950s Unknown Clip-on Earrings

Materials

Diamond, Platinum

Spectra Fine Jewelry GIA Certified 20.11 Carat Canary Diamond Ring
By Spectra Fine Jewelry
Located in New York, NY
carats, accented with two white triangular diamonds on both sides weighing 2.23 carats total, by Spectra
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Nova 18 Karat Yellow Gold and Platinum 14.57 Carat Diamond Earrings
Located in New York, NY
invisibly set diamonds (11.16Ct.) and a section of round brilliants (3.41Ct.) This classic shape is easy to
Category

1990s Unknown Contemporary Clip-on Earrings

Materials

Diamond, Yellow Gold, Platinum

Bespoke 7 Carat Red Ruby Certified Natural No Heat Ruby Diamond Cushion Ring
Located in London, GB
Ruby Cushion Ring flanked by 2 triangular diamonds is a true masterpiece. Crafted with utmost precision
Category

2010s Modern Engagement Rings

Materials

Diamond, Ruby, Gold, 18k Gold, Yellow Gold

Ella Gafter 14.5mm South Sea Pearl Diamond Stud Earrings
By Ella Gafter
Located in New York, NY
decorative triangular diamond design. The untreated South Sea pearls originate from the waters of
Category

21st Century and Contemporary Italian Contemporary Clip-on Earrings

Materials

Diamond, White Diamond, South Sea Pearl, Pearl, 18k Gold, White Gold

Ella Gafter 15.5mm South Sea Pearl Diamond Stud Earrings
By Ella Gafter
Located in New York, NY
decorative triangular diamond design. The untreated South Sea pearls originate from the waters of
Category

21st Century and Contemporary Italian Artist Clip-on Earrings

Materials

White Diamond, South Sea Pearl, Diamond, Pearl, 18k Gold, White Gold

Messika 0.57Cttw Thea Toi & Moi Diamond Chain Necklace 18K White Gold 17 Inches
By Messika
Located in New York, NY
brilliance to your look with this prong set three triangular diamonds with round cut diamond halo pendant
Category

2010s Modern Chain Necklaces

Materials

Diamond, 18k Gold, White Gold

Ring White GoldDiamond
Located in PARIS, FR
terminated by two triangular diamonds for a total weight of 0.99 ct. channel setting. ring size: 53. Width: 0
Category

20th Century French Engagement Rings

Materials

White Gold

4.9 Carat Floating Triangular Rose & Round Diamond Chandelier Earring 18k Gold
By Iris Fine Jewelry
Located in New York, NY
triangular rose-cut and brilliant round-cut diamonds. Each diamond is carefully selected for its quality and
Category

2010s American Modern Chandelier Earrings

Materials

Diamond, White Diamond, 18k Gold

Messika 0.83Cttw Cravate Thea Diamond Necklace 18K Rose Gold
By Messika
Located in New York, NY
chain necklace is crafted in 18K rose gold. It features a center prong set triangular diamond with a
Category

2010s Modern Chain Necklaces

Materials

Diamond, 18k Gold, Rose Gold

Art Deco Platinum, Diamond and Onyx Pendant Watch by Dreicer and Co.
By Dreicer & Co.
Located in Hummelstown, PA
This sleek and striking Art Deco pendant watch centers on a sparkling triangular-cut diamond
Category

Vintage 1920s Art Deco Pendant Necklaces

Materials

Diamond, Onyx, Platinum

Baume Modern Yellow and White Diamond Polished Gold Ring
By Baume
Located in Poitiers, FR
triangular diamonds at each side. The sides of the ring band are polished gold. Total weight of white
Category

2010s French Modernist Band Rings

Materials

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

Messika 0.72Cttw Thea Toi & Moi Diamond Ring 18K Yellow Gold Size 49 US 5
By Messika
Located in New York, NY
wide cocktail band ring features four triangular diamonds framed in a round cut diamond halo in pave
Category

2010s Modern Band Rings

Materials

Diamond, 18k Gold, Yellow Gold

Messika 0.71Ctw Thea Toi & Moi Diamond Double Ring 18K White Gold Size 53 US 6.5
By Messika
Located in New York, NY
wide cocktail band ring features four triangular diamonds framed in a round cut diamond halo in pave
Category

2010s Modern Cocktail Rings

Materials

Diamond, 18k Gold, White Gold

Messika 0.72Cttw Thea Toi & Moi Diamond Double Ring 18K Yellow Gold Size 54 US 7
By Messika
Located in New York, NY
wide cocktail band ring features four triangular diamonds framed in a round cut diamond halo in pave
Category

2010s Modern Cocktail Rings

Materials

Diamond, 18k Gold, Yellow Gold

Messika 0.71Cttw Thea Toi & Moi Diamond Double Ring 18K White Gold Size 52 US 6
By Messika
Located in New York, NY
wide cocktail band ring features four triangular diamonds framed in a round cut diamond halo in pave
Category

2010s Modern Cocktail Rings

Materials

Diamond, 18k Gold, White Gold

GIA Oval shape Natural Sapphire Diamond Platinum Three Stone Ring
Located in Miami, FL
by a pair of genuine triangular diamonds collectively weighing approx.: 0.52 carats, graded G-H color
Category

1990s Modern Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

CARTIER 5.45 Carat Pear-Shaped Diamond Platinum Ring
By Cartier
Located in Miami, FL
Diamond ring. This GIA-certified pear-shaped diamond is flanked by two triangular diamonds weighing 1.38
Category

20th Century Engagement Rings

Materials

Diamond, Platinum

Emerald Épée Pendant in 18k Yellow Gold & Platinum by Elie Top
By Elie Top
Located in Paris, France
surrounded by triangular diamonds, extending into a mirror-polished platinum blade. Openable gold bail
Category

21st Century and Contemporary European Neoclassical Pendant Necklaces

Materials

Emerald, Yellow Gold, Platinum

Tourmaline Épée Pendant in 18k Yellow Gold & Distressed Silver by Elie Top
By Elie Top
Located in Paris, France
surrounded by triangular diamonds, extending into a mirror-polished platinum blade. Openable gold bail
Category

21st Century and Contemporary French Neoclassical Pendant Necklaces

Materials

Tourmaline, Yellow Gold, Silver

7.58ct Rose Brown Diamond Halo Cocktail Ring Internally Flawless GIA
Located in PARIS, FR
colorless baguette and triangular diamonds. New ring Main diamond: Rosé Brown 7.58 carats IF GIA Side
Category

2010s Asian Art Deco Cocktail Rings

Materials

Diamond, White Diamond, Pink Diamond, Brown Diamond, 18k Gold

Modernist Hammered Copper Vase Geometric Design Santa Clara del Cobre Mexico
By Santa Clara
Located in Chula Vista, CA
! Artisan Hand Crafted handmade designed copper. Triangular diamond geometric design on face of Vase
Category

Vintage 1970s Mexican Mid-Century Modern Vases

Materials

Copper

GIA Certified 16.93 Carat MINOR OIL Green Emerald Diamond 18K White Gold Ring
By Antinori Fine Jewels
Located in Rome, IT
flanked by two substantial triangular diamonds, their clear, white brilliance creating a striking contrast
Category

2010s Italian Contemporary Three-Stone Rings

Materials

Diamond, Emerald, White Gold

Green Tourmaline '9.63 Cts', Diamond 'E/VS2 1.09 cts' 18KY Gold Earstuds
By Michael Engelhardt
Located in West Palm Beach, FL
, because many of the triangular diamonds have rounded edges like a cushion shaped stone, but these do not
Category

2010s Afghan Art Nouveau Stud Earrings

Materials

Diamond, Tourmaline, 18k Gold

Antique Diamond Triangular Earrings
Located in Chicago, IL
white (F-G color) sparkling old single cut diamonds Estimated total diamond weight 2.10 ct Total
Category

Early 20th Century Edwardian Dangle Earrings

Materials

Diamond

Stunning Colombian Emerald Ruby Diamond Onyx Platinum Ring
Located in Austin, TX
rectangular and trapezoid emerald baguettes. Each side of the ring also contains a triangular diamond. Total
Category

Early 20th Century Unknown Art Deco Cocktail Rings

Materials

Diamond, Emerald, Onyx, Ruby, White Diamond, Platinum

Set of Aquamarine Ring, Pendant & Blue Topaz Earrings, 14K White Gold & Diamonds
By Martha Richter Ltd.
Located in Lake Bluff, IL
natural aquamarine certified cut by world famous Bernd Munsteiner and a .30 carat triangular diamond of F
Category

2010s American Modernist More Jewelry

Materials

Aquamarine, Diamond, Blue Topaz, Topaz, White Gold

Frank Lloyd Wright, Arnold House Set of Modular Side Tables, Triangular, 1954
By Frank Lloyd Wright
Located in Brooklyn, NY
angles and triangular/diamond shapes. Tables are crafted from black laminate and pine, each is marked
Category

Mid-20th Century American Prairie School Side Tables

Materials

Aluminum

GIA Certified 14.64 Carat Blue Sapphire Diamond Ring
Located in Miami, FL
. certified triangular natural earth mined diamonds, each weighing 1.46 carats (E-color, SI1 clarity) and 1.47
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Blue Sapphire, 18k Gold

1970s European Diamond and Yellow Gold Stud Earrings
Located in Jesmond, Newcastle Upon Tyne
triangular diamond earrings have been crafted in 14k yellow gold with a 14k white gold setting. The earrings
Category

Vintage 1970s Unknown Stud Earrings

Materials

Diamond, 14k Gold, White Gold, Yellow Gold

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Triangular Diamond For Sale on 1stDibs

You are likely to find exactly the triangular diamond you’re looking for on 1stDibs, as there is a broad range for sale. 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 46 antique edition and 40 modern creations to choose from as well. If you’re looking for a triangular diamond from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 20th Century while another version may have been produced as recently as the 21st Century. For this particular piece, .5 Carat and 1 Carat are consistently popular carat weights. There have been many well-made iterations of the classic triangular diamond over the years, but those made by Ralph Masri, Tiffany & Co. and Valentin Magro are often thought to be among the most beautiful. See these pages for a trillion cut iteration of this accessory, while there are also round cut cut and baguette cut cut versions available here, too. When shopping for a triangular diamond, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a Triangular Diamond?

The price for a triangular diamond starts at $418 and tops out at $334,328 with these earrings, on average, selling for $5,077.