Cushion Modified Brilliant
2010s Sri Lankan Loose Gemstones
Blue Sapphire
2010s Sri Lankan Loose Gemstones
Blue Sapphire
2010s Sri Lankan Loose Gemstones
Blue Sapphire
21st Century and Contemporary Cocktail Rings
Diamond, Sapphire, White Gold, Platinum
21st Century and Contemporary Solitaire Rings
Tourmaline, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Indian Contemporary Tennis Bracelets
Yellow Diamond, 22k Gold
21st Century and Contemporary Indian Contemporary Tennis Bracelets
Yellow Diamond, 22k Gold
21st Century and Contemporary Modern Pendant Necklaces
Blue Topaz, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Modern Loose Gemstones
Pink Sapphire
2010s Sri Lankan Loose Gemstones
Sapphire
2010s Sri Lankan Loose Gemstones
Sapphire
2010s Sri Lankan Loose Gemstones
Pink Sapphire, Sapphire, Purple Sapphire
2010s Unknown Loose Gemstones
Pink Sapphire
2010s American Solitaire Rings
Sapphire, 18k Gold, White Gold
21st Century and Contemporary Band Rings
Diamond, Blue Topaz, Gold, 14k Gold, White Gold
21st Century and Contemporary Indian Modern Drop Necklaces
Yellow Diamond, 18k Gold
2010s Unknown Loose Gemstones
Pink Sapphire
21st Century and Contemporary Cocktail Rings
Diamond, Garnet, Gold, 14k Gold, Yellow Gold
2010s American Solitaire Rings
Blue Sapphire, Platinum
21st Century and Contemporary Cocktail Rings
Tsavorite, Green Beryl, Gold, 18k Gold, White Gold
21st Century and Contemporary Unknown Engagement Rings
Diamond, Gold, 18k Gold, White Gold
1990s Solitaire Rings
Tourmaline, 14k Gold, Yellow Gold
2010s Modern Engagement Rings
White Diamond, Yellow Diamond, 14k Gold
2010s American Engagement Rings
Diamond, Pink Sapphire, 18k Gold, White Gold
2010s American Pendant Necklaces
Diamond, Tsavorite, 18k Gold, Yellow Gold, Platinum
21st Century and Contemporary American Cocktail Rings
Sapphire, Diamond, Yellow Gold, 18k Gold, Gold
2010s American Solitaire Rings
Tsavorite, Diamond, Platinum, Rose Gold, 14k Gold
2010s American Pendant Necklaces
Diamond, Spinel, 18k Gold, White Gold
21st Century and Contemporary Cocktail Rings
Diamond, Sapphire, 14k Gold, Yellow Gold
21st Century and Contemporary American Cocktail Rings
Diamond, Platinum, Yellow Gold, 18k Gold, Gold
2010s Hong Kong Modern Engagement Rings
Yellow Diamond, 18k Gold, White Gold
21st Century and Contemporary Modern Cocktail Rings
Diamond, White Diamond, Sapphire, Gold, 18k Gold, White Gold
21st Century and Contemporary Unknown Engagement Rings
Diamond, 14k Gold, White Gold, Gold
Vintage 1920s English Cluster Rings
Sapphire
2010s Brazilian Modern Loose Gemstones
Tourmaline, Paraiba
1990s European Three-Stone Rings
Diamond, Sapphire, 18k Gold
1990s Contemporary Cocktail Rings
Diamond, Spinel, Platinum
21st Century and Contemporary More Rings
Diamond, Sapphire, Platinum
2010s Kenyan Loose Gemstones
Pink Sapphire
2010s Sri Lankan Loose Gemstones
Spinel
2010s Thai Stud Earrings
Diamond, Spinel, Platinum
2010s Brazilian Artist Loose Gemstones
Tourmaline, Paraiba
21st Century and Contemporary Hong Kong Modern Fashion Rings
Aquamarine, Diamond, 18k Gold
2010s American Solitaire Rings
Purple Sapphire, Platinum
21st Century and Contemporary Hong Kong Modern Cocktail Rings
Diamond, Spinel, 18k Gold
2010s Thai Contemporary Engagement Rings
Diamond, Tourmaline, Platinum
21st Century and Contemporary Brooches
Aquamarine, Diamond, Gold, 18k Gold
2010s Sri Lankan Loose Gemstones
Spinel
Antique 19th Century Victorian Engagement Rings
Ruby, Enamel, Yellow Gold, 18k Gold, Gold
2010s Sri Lankan Loose Gemstones
Spinel
2010s Thai Engagement Rings
Diamond, Spinel, Platinum
21st Century and Contemporary Modern Solitaire Rings
Pink Sapphire, White Gold, 14k Gold
2010s American Contemporary Engagement Rings
Diamond, Sapphire, Blue Sapphire, Platinum
21st Century and Contemporary Cocktail Rings
Diamond, Sapphire, Gold, 18k Gold, White Gold
2010s American Solitaire Rings
Alexandrite, Diamond, Platinum
21st Century and Contemporary Clip-on Earrings
Diamond, Tourmaline, Gold, 18k Gold, White Gold, Yellow Gold
2010s American Engagement Rings
Diamond, Sapphire, Purple Sapphire, 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.