Cushion Modified Brilliant
1990s Engagement Rings
Diamond, Sapphire, 14k Gold, White Gold
21st Century and Contemporary Pendant Necklaces
Diamond, Tourmaline, Gold, Yellow Gold
21st Century and Contemporary Cocktail Rings
Aquamarine, Diamond, Gold, 14k Gold, White Gold, Yellow Gold
2010s American Three-Stone Rings
Blue Sapphire, Platinum
Early 2000s Engagement Rings
Sapphire, 14k Gold, Yellow Gold
1990s Art Deco Engagement Rings
Diamond, Sapphire, 14k Gold, White Gold
Antique Early 1900s Edwardian Cocktail Rings
Diamond, Peridot, 18k Gold, Yellow Gold, Silver
Early 2000s Solitaire Rings
Sapphire, Purple Sapphire, 18k Gold, White Gold
Early 2000s Solitaire Rings
Pink Sapphire, 18k Gold, Rose Gold, White Gold
21st Century and Contemporary Engagement Rings
Diamond, Gold, 18k Gold, White Gold, Yellow Gold
Antique 1850s Engagement Rings
Diamond, 18k Gold, Yellow Gold, Platinum
Vintage 1960s Unknown Cluster Rings
Blue Sapphire, Platinum
2010s Thai Pendant Necklaces
Diamond, Tourmaline
Vintage 1980s Pendant Necklaces
Aquamarine, 14k Gold
2010s Engagement Rings
Diamond, Tsavorite, Platinum
21st Century and Contemporary American Solitaire Rings
Diamond, Sapphire, Platinum
2010s Thai Engagement Rings
Diamond, Spinel, Platinum
2010s Unknown Contemporary Three-Stone Rings
Diamond, Sapphire, Platinum
Vintage 1970s Cocktail Rings
Diamond, Emerald, Tanzanite, Platinum
21st Century and Contemporary Engagement Rings
Diamond, Yellow Diamond, Platinum
21st Century and Contemporary Engagement Rings
Diamond, Yellow Diamond, Platinum
21st Century and Contemporary Cocktail Rings
Diamond, Kunzite, 18k Gold, Palladium
2010s American Three-Stone Rings
Diamond, Blue Sapphire, Platinum
21st Century and Contemporary American Cocktail Rings
Diamond, Sapphire, Platinum
21st Century and Contemporary Modern Cocktail Rings
White Diamond, Yellow Diamond, Gold, Platinum
2010s Tanzanian Cocktail Rings
Diamond, Tourmaline, Platinum
2010s Congolese Cocktail Rings
Diamond, Tourmaline, Platinum
2010s American Solitaire Rings
Diamond, Sapphire, Purple Sapphire, Platinum
21st Century and Contemporary Cocktail Rings
Aquamarine, Sapphire, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Cocktail Rings
Diamond, Tourmaline, Gold, 18k Gold, Yellow Gold
2010s Thai Contemporary Fashion Rings
Zircon, Blue Zircon, Sterling Silver
2010s American Three-Stone Rings
Diamond, Spinel, 18k Gold, Yellow Gold
2010s Canadian Contemporary Cocktail Rings
Diamond, Sapphire, Platinum
Late 20th Century Contemporary Cocktail Rings
Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum
Early 2000s Contemporary Cocktail Rings
White Diamond, Yellow Diamond, Gold, 18k Gold, Yellow Gold
2010s American Contemporary Pendant Necklaces
Yellow Diamond, 18k Gold, Yellow Gold, Platinum
Late 20th Century Unknown Engagement Rings
Diamond, Sapphire, Purple Sapphire, Platinum
2010s American Contemporary Pendant Necklaces
Diamond, Yellow Diamond, 18k Gold, Yellow Gold, Platinum
1990s Italian Cocktail Rings
Diamond, Tourmaline, 18k Gold, Yellow Gold
2010s American Contemporary Pendant Necklaces
Yellow Diamond, Diamond, 18k Gold, Yellow Gold, Platinum
Early 2000s Contemporary Fashion Rings
Diamond, White Diamond, Yellow Diamond, Gold, 14k Gold, White Gold, Yell...
21st Century and Contemporary American Cocktail Rings
Diamond, Padparadscha Sapphire , Gold, 14k Gold, Rose Gold, Platinum
2010s Canadian Contemporary Cocktail Rings
Aquamarine, Diamond, 18k Gold, White Gold
21st Century and Contemporary Contemporary Engagement Rings
Diamond, Yellow Diamond, Pink Diamond, Gold, 18k Gold, Rose Gold, Yellow...
Vintage 1980s American Cocktail Rings
Diamond, Topaz, 18k Gold, White Gold
20th Century Pendant Necklaces
Diamond, Sapphire
Late 20th Century Engagement Rings
White Diamond, Yellow Diamond, Platinum
21st Century and Contemporary Band Rings
Diamond, Platinum
Mid-20th Century Stud Earrings
Diamond, Emerald, 18k Gold, Platinum
21st Century and Contemporary Contemporary Cocktail Rings
Diamond, Tanzanite, Platinum
21st Century and Contemporary Contemporary Three-Stone Rings
2010s Modern Engagement Rings
Diamond, White Diamond, Platinum
2010s Italian Modern Engagement Rings
Diamond, White Diamond, Platinum
21st Century and Contemporary American Contemporary Engagement Rings
Diamond, Platinum
Antique 15th Century and Earlier Loose Gemstones
Yellow Diamond
Antique 15th Century and Earlier Loose Gemstones
Diamond
2010s Israeli Loose Gemstones
Diamond
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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.