Triangle Cut Diamond
21st Century and Contemporary Belgian Modern Engagement Rings
Diamond, 18k Gold, Yellow Gold, Platinum
2010s Dutch Modern Fashion Rings
Diamond, Sapphire, 18k Gold, Yellow Gold
2010s Hong Kong Modern Engagement Rings
Blue Sapphire, Diamond, White Gold, 18k Gold
Late 20th Century Stud Earrings
Diamond, 14k Gold, White Gold
20th Century Engagement Rings
Platinum
2010s American Contemporary Drop Necklaces
Diamond, 14k Gold
1990s European Band Rings
Diamond, 18k Gold, White Gold
21st Century and Contemporary Italian Contemporary Engagement Rings
Diamond, 9k Gold, Rose Gold
20th Century Engagement Rings
Diamond, Ruby, Platinum
20th Century Modern Cocktail Rings
Diamond, Blue Diamond, Gold, 18k Gold, White Gold
2010s American Contemporary Stud Earrings
Diamond, Emerald, 18k Gold, Yellow Gold, White Gold
2010s American Modernist Band Rings
Diamond, 22k Gold, Yellow Gold
21st Century and Contemporary American Engagement Rings
Diamond, Gold, 14k Gold, Rose Gold
Vintage 1980s American Three-Stone Rings
Diamond, Ruby
2010s Dutch Modern Fashion Rings
Diamond, 18k Gold, Platinum
Vintage 1980s Unknown Fashion Rings
Diamond, 18k Gold
20th Century European Artisan Engagement Rings
Diamond, Emerald, Platinum
20th Century Unknown Link Bracelets
Diamond, Sapphire, 14k Gold
Vintage 1950s Modern Cocktail Rings
Ruby, Diamond, White Gold, 18k Gold, Gold
21st Century and Contemporary American Modern Three-Stone Rings
Diamond, Sapphire, Platinum
20th Century Unknown Dangle Earrings
Aquamarine, Diamond, 14k Gold
21st Century and Contemporary Contemporary Three-Stone Rings
Diamond, Blue Sapphire, 18k Gold, Yellow Gold
2010s American Solitaire Rings
Diamond, White Gold
2010s Charm Bracelets
Diamond, 14k Gold, Yellow Gold
2010s American Contemporary Drop Earrings
Diamond, Morganite, 14k Gold
2010s American Contemporary Stud Earrings
Diamond, Emerald, Yellow Diamond, 18k Gold, Yellow Gold
21st Century and Contemporary Indian Modern Engagement Rings
White Diamond, Diamond, White Gold, 18k Gold
21st Century and Contemporary American Modern Three-Stone Rings
Sapphire, Platinum
21st Century and Contemporary American Contemporary Cocktail Rings
Diamond, Platinum
Vintage 1920s Modern Chandelier Earrings
Diamond, Gold, 18k Gold, Yellow Gold, Platinum
21st Century and Contemporary Unknown Engagement Rings
Diamond, Brown Diamond, Platinum
21st Century and Contemporary Unknown Contemporary Stud Earrings
Diamond, White Diamond, Cultured Pearl, Gold, 18k Gold, White Gold
21st Century and Contemporary German Aesthetic Movement Three-Stone Rings
Emerald, Diamond, Yellow Gold, 22k Gold, Gold
Late 20th Century Engagement Rings
Sapphire, Diamond, Gold, 18k Gold, Yellow Gold
20th Century Contemporary Engagement Rings
Diamond, Platinum
21st Century and Contemporary More Rings
Diamond, 14k Gold
2010s Dutch Modern Fashion Rings
Diamond, Pearl, Platinum
20th Century Swiss Artisan Pendant Necklaces
Diamond, White Diamond, Yellow Diamond, Sapphire, 18k Gold, White Gold
2010s Dutch Modern Fashion Rings
Diamond, 18k Gold, White Gold
2010s Contemporary Dangle Earrings
Diamond, Emerald, 18k Gold, White Gold
21st Century and Contemporary Italian Artist Pendant Necklaces
Diamond, Pearl, South Sea Pearl, Blue Sapphire, 18k Gold, White Gold
21st Century and Contemporary Unknown Art Deco Engagement Rings
Diamond, Yellow Diamond, Platinum, Gold, Yellow Gold
21st Century and Contemporary Italian Modern Choker Necklaces
Diamond, 18k Gold, White Gold
2010s Modern Stud Earrings
Diamond, Platinum, 18k Gold
2010s Hong Kong Modern Three-Stone Rings
Yellow Diamond, 18k Gold
2010s Israeli Three-Stone Rings
Diamond, 18k Gold, White Gold
2010s Hong Kong Contemporary Engagement Rings
Diamond, 18k Gold, White Gold
21st Century and Contemporary French Modern Engagement Rings
Diamond, White Diamond, Sapphire, Pink Sapphire, Gold, 18k Gold, White Gold
21st Century and Contemporary Thai Modern Solitaire Rings
Diamond, 14k Gold
2010s Israeli Three-Stone Rings
Diamond, 18k Gold, White Gold
21st Century and Contemporary European Artisan Solitaire Rings
Diamond, 18k Gold, White Gold
21st Century and Contemporary Thai Modern Solitaire Rings
Diamond, 14k Gold, Rose Gold, White Gold, Yellow Gold
21st Century and Contemporary Thai Modern Solitaire Rings
Diamond, 14k Gold, Rose Gold, White Gold, Yellow Gold
21st Century and Contemporary Thai Modern Solitaire Rings
Diamond, 18k Gold, Rose Gold, White Gold, Yellow Gold
21st Century and Contemporary Thai Modern Solitaire Rings
Diamond, 18k Gold, Rose Gold, White Gold, Yellow Gold
21st Century and Contemporary Thai Modern Solitaire Rings
Diamond, 18k Gold, Rose Gold, White Gold, Yellow Gold
20th Century Edwardian Brooches
Diamond, Emerald, Gold
2010s Fashion Rings
Diamond, Ruby, Gold, 18k Gold, White Gold
Early 20th Century Unknown Art Deco Cocktail Rings
Diamond, Topaz, Blue Topaz, Platinum
21st Century and Contemporary Contemporary Engagement Rings
Diamond, 14k Gold, White Gold
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Triangle Cut Diamond For Sale on 1stDibs
How Much is a Triangle Cut Diamond?
The Legacy of Diamond in Jewelry Design
Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.
From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!
There are several factors that set diamonds apart from other stones, and these points are important to our gem education.
Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.
In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).
When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement rings, vintage engagement rings or Art Deco engagement rings.
Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.
- 1stDibs ExpertFebruary 22, 2021A triangle shaped diamond is called a Triangular brilliant or a Trilliant or Trillion. They are cut so that there are three equally straight sides and are often cut from shallow double crystals.
- 1stDibs ExpertNovember 8, 2023Yes, the princess cut is a good cut for a diamond. For one thing, princess-cut diamonds are similar to the shape of a raw diamond. As a result, jewelers waste less of the stone, often leading to cost-effective pricing for princess-cut diamond jewelry. The princess cut is also visually appealing due to its symmetrical shape. As a brilliant cut, it shows off the sparkle of a diamond. On 1stDibs, shop a collection of princess-cut diamond jewelry.
- 1stDibs ExpertNovember 8, 2023Generally, the most expensive cut of diamond is the brilliant round cut. This cut creates the most waste during the shaping process, and the excess material gets factored into the price. Keep in mind that other factors like clarity, color and carat weight also impact the price. On 1stDibs, find a wide range of diamond jewelry.
- What is a star-cut diamond?1 Answer1stDibs ExpertJanuary 23, 2024A star-cut diamond is a diamond with a certain shape and facet arrangement. Specifically, the style features 86 facets and is a brilliant cut that shows off the sparkle of a diamond. In terms of shape, the cut produces a gemstone that resembles a five-pointed star. On 1stDibs, explore a wide variety of diamond jewelry.
- What is a cushion cut diamond?1 Answer1stDibs ExpertMarch 22, 2022A cushion cut diamond is one that has a square shape with rounded corners. It differs from the similarly shaped emerald cut in that it has a brilliant cut that maximizes sparkle rather than a stepped cut that shows off color and clarity. You'll find a variety of cushion cut diamond jewelry on 1stDibs.
- What is a Victorian-cut diamond?1 Answer1stDibs ExpertNovember 2, 2021A Victorian-cut diamond features a top crown that is distinctly multifaceted — it has a small table and step-cut bottom pavilion that comprises 73 facets. It appears quite large when set. Relatedly, rose-cut diamonds are uncommon in modern jewelry and are often associated with antique styles like Victorian or Georgian.
- What are diamond cuts on chains?1 Answer1stDibs ExpertNovember 6, 2023Diamond cuts on chains are small grooves or notches on the surface of the metal. The addition of this detailing gives metal chains a luminous, almost sparkling effect. The term is not to be confused with diamond cut, which refers to the design guide that a jeweler uses for shaping gemstones. A diamond's cut relates to how well the stone's facets interact with light. Explore a variety of chain necklaces on 1stDibs.
- What are double-cut diamonds?1 Answer1stDibs ExpertJanuary 23, 2024Double-cut diamonds are diamonds that have facets arranged in a certain way. Specifically, the double-cut has a traditional brilliant cut on one side and a rougher rose cut on the other. As a result, the gemstone can be set in two different ways. Explore a large collection of diamond jewelry on 1stDibs.
- Which Diamond Cut is best?1 Answer1stDibs ExpertFebruary 22, 2021The most popular diamond cut is round brilliant with fifty seven perfectly aligned facets. Other popular cuts include cushion cut diamond, princess cut diamond and emerald cut diamond.
- 1stDibs ExpertNovember 21, 2023The cut that is best for a diamond depends on your individual preferences. If you love the sparkle of diamonds, a brilliant cut like the brilliant round, princess, marquise, oval or pear may be ideal. If you want to show off the clarity and color of a diamond, you may prefer stepped cuts like the emerald, Asscher, baguette or carré. In terms of Gemological Institute of America (GIA) ratings, the best diamond cuts are those that carry an excellent grade. Find a large collection of diamond jewelry on 1stDibs.
- What is a rose cut diamond?1 Answer1stDibs ExpertFebruary 22, 2021A rose cut diamond boasts a cabbed flat base and a faceted top. It is called a rose cut diamond because it resembles the shape of a rose.
- What is a shield cut diamond?1 Answer1stDibs ExpertApril 5, 2022Shield cut diamonds have a triangular shape with three sides bowed so the diamond sort of resembles a shield. They’re often used in rings as side accents to the center stone, so they rest a large side against the stone and then taper down the band. Shop a collection of authentic shield cut diamonds from some of the world’s top boutiques on 1stDibs.
- What is a European cut diamond?1 Answer1stDibs ExpertFebruary 22, 2021European cut diamonds were most popular from the late 19th century to the mid-20th century. They're quite brilliant in terms of shine quality and feature a large culet,small table and round shape.
- What does diamond cuts mean?1 Answer1stDibs ExpertJanuary 23, 2024The term diamond cuts means how a jeweler prepares a raw diamond for a piece of jewelry. Using tools, jewelers create flat surfaces called facets, and the arrangement and number of these facets affect the shape and appearance of the finished gem. Examples of diamond cuts include the brilliant round, the emerald, the oval and the cushion. Explore a wide range of diamond jewelry on 1stDibs.
- What is a Peruzzi cut diamond?1 Answer1stDibs ExpertNovember 21, 2023A Peruzzi-cut diamond is a diamond cut in a particular shape. It features rounded edges and a third row of rhomboidal and triangular crown facets compared to the brilliant round cut. To create the Peruzzi cut, a maker produces 58 brilliant facets, also known as the triple cut. Venetian jeweler Vincenzo Peruzzi developed the cut during the 17th century. On 1stDibs, find a large collection of diamond jewelry.
- What is a Poor cut diamond?1 Answer1stDibs ExpertJanuary 23, 2024A Poor cut diamond is a diamond with a specific cut rating from the Gemological Institute of America (GIA). Cut refers to the arrangement of facets on a diamond, and GIA rates cuts on a scale from Excellent to Poor. The Poor cut will have little to no sparkle or brilliance, usually due to imperfections in the placement of its facets. Shop a diverse assortment of diamond jewelry on 1stDibs.
- What is a mine cut diamond?2 Answers1stDibs ExpertFebruary 22, 2021A mine cut diamond is an antique diamond cut known for its bulky and often uneven shape, cutlet, and tiny table. This type of diamond cut was quite popular in the mid-1800s to the early-1900sJacob's Diamond & Estate JewelryMarch 1, 2021Mine cut diamonds are typically called OLD MINE CUTS, This type of cutting started in the early 1700s. The shapes are typically cushion shape and the cutting was done all by hand. Though they do not have the sparkle of modern cut diamonds, when they sparkle in sunlight or candle light, they have this beautiful alluring shimmer.
- What is a French cut diamond?1 Answer1stDibs ExpertOctober 12, 2021A French cut diamond is a diamond that is cut in a square or rectangular shape, and features a high crown, along with triangle-shaped facets in a crisscross pattern. A French cut diamond is made by grinding the top of the crystal gemstone. Find a collection of antique, vintage and new French cut diamond jewelry on 1stDibs today.
- What is a step cut diamond?1 Answer1stDibs ExpertFebruary 22, 2021A step cut diamond is usually square or rectangular and gets its name from the step-like faceting. The facets are arranged in parallel lines on all four sides and tend to be larger facets than brilliant-cut diamonds.
- What is a moval cut diamond?1 Answer1stDibs ExpertApril 5, 2022A moval cut diamond is a gemstone cut in a particular way to display in jewelry. The term describes a cross between oval and marquise cuts with a round shape and subtle points at the top and bottom. You'll find a collection of moval cut diamond gemstone jewelry on 1stDibs.