Cushion Modified Brilliant
2010s American Engagement Rings
Diamond, Platinum
21st Century and Contemporary American Modern Engagement Rings
Diamond, Platinum
21st Century and Contemporary Contemporary Bridal Rings
White Diamond, Yellow Diamond, Diamond, 18k Gold, Platinum, Yellow Gold
21st Century and Contemporary Unknown Contemporary Cocktail Rings
Diamond, White Diamond, Yellow Diamond, 18k Gold, White Gold
21st Century and Contemporary Unknown Contemporary Three-Stone Rings
Diamond, White Diamond, Yellow Diamond, White Gold, 18k Gold, Yellow Gold
Mid-20th Century American Modern Cocktail Rings
Diamond, Tanzanite, 14k Gold, White Gold
21st Century and Contemporary Unknown Contemporary Tennis Bracelets
Diamond, Yellow Diamond, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Engagement Rings
Diamond, 14k Gold
2010s Engagement Rings
Diamond, Platinum
21st Century and Contemporary Unknown Contemporary Drop Necklaces
Diamond, Yellow Diamond, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Engagement Rings
Diamond, Yellow Diamond, 14k Gold
21st Century and Contemporary American Artist Solitaire Rings
White Diamond, Yellow Diamond, 18k Gold, Platinum
21st Century and Contemporary Afghan Contemporary Loose Gemstones
Tourmaline
2010s American Engagement Rings
Yellow Diamond, Diamond, 18k Gold, Yellow Gold, Platinum
Antique 19th Century Edwardian Cocktail Rings
Diamond, Yellow Diamond, Gold, 18k Gold, Yellow Gold, Platinum
2010s American Stud Earrings
Tanzanite, 14k Gold
2010s American Stud Earrings
Tanzanite, 14k Gold
2010s American Pendant Necklaces
Diamond, Tanzanite, Gold
1990s American Pendant Necklaces
Diamond, Tanzanite, 14k Gold
21st Century and Contemporary Engagement Rings
Diamond, Platinum
Vintage 1980s Engagement Rings
Diamond, Yellow Sapphire, 18k Gold
2010s Engagement Rings
Diamond, Sapphire, Platinum
2010s American Three-Stone Rings
Diamond, Sapphire, Platinum
2010s American Three-Stone Rings
Diamond, Tsavorite, 18k Gold, Yellow Gold
Antique 19th Century Victorian Three-Stone Rings
Sapphire, Diamond, Yellow Gold, 14k Gold, Gold
2010s American Solitaire Rings
Diamond, Sapphire, 18k Gold, White Gold
Vintage 1960s Cocktail Rings
Diamond, Sapphire, 14k Gold, White Gold
21st Century and Contemporary Unknown Georgian Loose Gemstones
Diamond
1990s Cocktail Rings
Diamond, Tourmaline, 18k Gold
2010s Thai Engagement Rings
Diamond, Spinel, Platinum
2010s Thai Contemporary Cocktail Rings
Amethyst, Quartz, Sterling Silver
2010s Contemporary Stud Earrings
Yellow Diamond, 18k Gold, Yellow Gold, Platinum
2010s Thai Engagement Rings
Diamond, Spinel, Platinum
2010s Thai Engagement Rings
Diamond, Spinel, Platinum
Late 20th Century Unknown Engagement Rings
Diamond, Sapphire, Purple Sapphire, Platinum
2010s Thai Contemporary Engagement Rings
Diamond, Spinel, Gold, 18k Gold, White Gold
2010s Canadian Contemporary Cocktail Rings
Sapphire, Yellow Sapphire, Diamond, Amethyst, Yellow Gold, 14k Gold
21st Century and Contemporary American Cocktail Rings
Pink Sapphire, Diamond, Platinum, Rose Gold, 14k Gold, Gold
2010s Thai Contemporary Engagement Rings
Diamond, Spinel, Gold, White Gold, 18k Gold, Rose Gold
2010s Thai Contemporary Solitaire Rings
Zircon, Blue Zircon, 14k Gold, Yellow Gold, Gold
Vintage 1980s Art Deco Cocktail Rings
Diamond, White Diamond, Emerald, Onyx, Gold, 18k Gold, Yellow Gold, Plat...
21st Century and Contemporary American Cocktail Rings
Pink Sapphire, Platinum
2010s Cambodian Loose Gemstones
Quartz, Rock Crystal, Crystal
2010s Thai Contemporary Cocktail Rings
Amethyst, Quartz, Sapphire, 18k Gold, Gold Plate, Silver, Sterling Silver
Antique 1880s Victorian Bangles
Diamond, Sapphire, 18k Gold, Rose Gold
21st Century and Contemporary Engagement Rings
Diamond, Platinum
21st Century and Contemporary Engagement Rings
Diamond, Platinum
2010s British Modern Tennis Bracelets
Diamond, White Diamond, Blue Diamond, Yellow Diamond, Pink Diamond, Brow...
21st Century and Contemporary British Modern Engagement Rings
Diamond, 18k Gold, White Gold
2010s American Artist Cocktail Rings
Amethyst, Diamond, 14k Gold
2010s American Artist Stud Earrings
Peridot, Yellow Gold
20th Century Engagement Rings
Diamond, White Gold
20th Century Engagement Rings
Diamond, White Gold
2010s Australian Engagement Rings
Pink Diamond
2010s American Artist Stud Earrings
Peridot, Yellow Gold
21st Century and Contemporary American Pendant Necklaces
Diamond, White Diamond, Platinum
21st Century and Contemporary American Engagement Rings
Diamond, White Diamond, Platinum
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Cushion Modified Brilliant For Sale on 1stDibs
How Much is a Cushion Modified Brilliant?
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 ExpertOctober 5, 2021A cushion-brilliant cut diamond contains larger facets and does not have a crushed ice look unlike cushion-modified brilliant. Cushion-modified brilliant is a variation of cushion brilliant shape which has an appearance of a well-cut radiant shape diamond. Find a wide variety of cushion-brilliant and cushion-modified brilliant diamondjewelry on 1stDibs.