2 Carat Cushion Cut Diamond
21st Century and Contemporary Indian Contemporary Drop Earrings
Amethyst, Diamond, White Diamond, Sterling Silver
Late 20th Century Modernist Three-Stone Rings
Diamond, Sapphire, Gold, 14k Gold, Yellow Gold
Antique Late 19th Century Unknown Victorian Cocktail Rings
Diamond, White Diamond, Emerald, Gold, 18k Gold, Rose Gold
Vintage 1930s British Art Deco Cluster Rings
Diamond, Blue Sapphire, White Gold
2010s American Modernist Drop Necklaces
Diamond, Platinum
Late 20th Century German Modernist Cocktail Rings
Citrine, Diamond, White Diamond, Gold, 18k Gold, Yellow Gold
2010s Israeli Art Deco Cocktail Rings
Diamond, Tourmaline, 14k Gold
21st Century and Contemporary German Artist Pendant Necklaces
Diamond, Sapphire, Yellow Sapphire, Spinel, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Swiss Contemporary Dangle Earrings
Diamond, Emerald, Gold, 18k Gold, White Gold
21st Century and Contemporary American Art Deco Cocktail Rings
Diamond, Blue Sapphire, Gold, 14k Gold, White Gold
21st Century and Contemporary Drop Necklaces
Diamond, Spinel, Gold, 18k Gold, White Gold, Platinum
21st Century and Contemporary Indian Modern Cluster Rings
Black Diamond, White Diamond, Diamond, Yellow Gold, 10k Gold, Gold
21st Century and Contemporary Indian Modern Cluster Rings
Black Diamond, White Diamond, Diamond, Yellow Gold, 10k Gold, Gold
21st Century and Contemporary Indian Modern Cluster Rings
Black Diamond, White Diamond, Diamond, Yellow Gold, 10k Gold, Gold
21st Century and Contemporary Indian Modern Cluster Rings
Black Diamond, White Diamond, Diamond, Yellow Gold, 10k Gold, Gold
Vintage 1950s Art Deco Engagement Rings
Diamond, Platinum
21st Century and Contemporary Italian Contemporary Pendant Necklaces
Diamond, Tourmaline, Tsavorite, 18k Gold, White Gold
Late 20th Century Three-Stone Rings
Diamond, Peridot, Sapphire, Gold, 18k Gold, Yellow Gold, Platinum
21st Century and Contemporary French Modern Engagement Rings
Diamond, White Diamond, Sapphire, Blue Sapphire, Gold, 18k Gold, Yellow ...
21st Century and Contemporary Chinese Contemporary Dangle Earrings
Diamond, White Diamond, Topaz, Blue Topaz, Sterling Silver
21st Century and Contemporary Chinese Contemporary Dangle Earrings
Diamond, White Diamond, Topaz, Blue Topaz, Sterling Silver
21st Century and Contemporary French Modern Engagement Rings
Diamond, White Diamond, Sapphire, Pink Sapphire, Gold, 18k Gold, Yellow ...
21st Century and Contemporary French Art Deco Engagement Rings
Diamond, White Diamond, Ruby, Gold, 18k Gold, White Gold
2010s American Engagement Rings
Diamond, Tanzanite, Gold, 14k Gold, White Gold
Vintage 1920s Portuguese Art Deco Engagement Rings
Diamond, Sapphire, Gold, Yellow Gold, Platinum
21st Century and Contemporary Indian Modern Stud Earrings
Diamond, White Diamond, Rhodium, Sterling Silver
Antique 1810s Georgian Link Bracelets
Diamond, Emerald, 14k Gold, Sterling Silver
21st Century and Contemporary Indian Modern Cluster Rings
Black Diamond, White Diamond, Diamond, Yellow Gold, 10k Gold, Gold
Antique 19th Century Victorian Pendant Necklaces
Diamond, Blue Sapphire, Gold, 18k Gold, Platinum
21st Century and Contemporary Spanish Modern Fashion Rings
Diamond, Topaz, Blue Topaz, 18k Gold, White Gold
21st Century and Contemporary American Cocktail Rings
Diamond, Yellow Sapphire, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Indian Art Deco Stud Earrings
Diamond, Sapphire, Pink Sapphire, Gold, 14k Gold, Rose Gold, White Gold,...
2010s British Modern Engagement Rings
Diamond, Ruby, Gold, 18k Gold, White Gold
21st Century and Contemporary American Tennis Bracelets
White Diamond, 18k Gold, White Gold
21st Century and Contemporary American Modern Dome Rings
Diamond, Blue Sapphire, Sapphire, 18k Gold, White Gold, Gold
21st Century and Contemporary American Artisan Drop Earrings
Diamond, Zircon, Blue Zircon, Gold, 18k Gold, White Gold, Yellow Gold
21st Century and Contemporary American Art Deco Engagement Rings
Diamond, Emerald, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary American Art Deco Wedding Rings
Diamond, Sapphire, Blue Sapphire, Gold, 18k Gold, White Gold
21st Century and Contemporary Indian Contemporary Drop Earrings
Amethyst, Diamond, White Diamond, Sterling Silver
21st Century and Contemporary Dutch Art Deco More Rings
Diamond, Tanzanite, 18k Gold, White Gold
2010s Indian Modern Drop Necklaces
Diamond, Yellow Diamond, Gold, 18k Gold, White Gold, Yellow Gold
Late 20th Century Unknown Tennis Bracelets
Diamond, Yellow Diamond, 18k Gold, Gold, White Gold, Yellow Gold
Vintage 1920s Art Deco Brooches
Diamond, Ruby, Platinum
Vintage 1910s Unknown Pendant Necklaces
Diamond, Onyx, White Gold, Platinum, 14k Gold
2010s Indian Modern Drop Necklaces
Diamond, Yellow Diamond, Gold, 18k Gold, White Gold, Yellow Gold
21st Century and Contemporary Indian Contemporary Bridal Rings
Diamond, Emerald, 18k Gold, Yellow Gold
21st Century and Contemporary American Engagement Rings
Diamond, Ruby, Gold, 18k Gold, Yellow Gold
Mid-20th Century Unknown Modern Fashion Rings
Ruby, 14k Gold
2010s Victorian Stud Earrings
Diamond, Emerald, 18k Gold, Silver
21st Century and Contemporary American Art Deco Three-Stone Rings
Diamond, Sapphire, Blue Sapphire, Gold, 18k Gold, White Gold
Early 2000s German Modern Cufflinks
Diamond, Pearl, 18k Gold, Rose Gold
21st Century and Contemporary American Modernist Clip-on Earrings
Diamond, Emerald, White Diamond, Gold, 18k Gold, Yellow Gold
Vintage 1940s French Retro Cluster Rings
Diamond, Sapphire, Blue Sapphire, Gold, 18k Gold, White Gold, Yellow Gold
21st Century and Contemporary Cluster Rings
Diamond, Sapphire, Blue Sapphire, Yellow Sapphire, Green Sapphire, White...
Early 20th Century European Edwardian Brooches
Diamond, Ruby, Gold, 14k Gold
21st Century and Contemporary Indian Modern Stud Earrings
White Diamond, Onyx, 14k Gold, White Gold
2010s Israeli Cluster Rings
Pink Diamond, 18k Gold, White Gold
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2 Carat Cushion Cut Diamond For Sale on 1stDibs
How Much is a 2 Carat Cushion 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 ExpertNovember 8, 2023How big a 2-carat diamond with a princess cut is varies from piece to piece. However, the average size is 7 millimeters by 7 millimeters. The measurement is around 9/32 inches, so a 2-carat princess-cut diamond will be just a little over a quarter-inch in size. On 1stDibs, find an assortment of princess-cut diamond jewelry.
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This Absinthe-Hued Peridot Cocktail Ring Is Positively Intoxicating
Ancient Egyptians referred to the vibrant stone as the “gem of the sun.”
Our Guide to Engagement Ring Settings – And How to Choose One
There are many ways to showcase a diamond, from traditional prongs to a smooth, streamlined bezel. Here’s everything you need to consider.
Nothing Says Summer Heat Like This Ruby-Red Cartier Stunner
The vintage bombé ring is bursting with color and timeless style.
Zircon Rings: Our Guide to a Uniquely Colorful Natural Gemstone
Zircon is a magnificent and underrated natural gemstone that has been worn and adored for centuries.
[Survey] Two-Thirds of Jewelry Gift Recipients Don’t Want to Be Surprised
Givers of fine gems enjoy surprise more than receivers, and women more than men. Find out what else our survey of 3,000 Americans revealed.
Colorful Gemstones Are a Brilliant Choice for Engagement Rings
If diamonds don’t seem right, what about a magnificent sapphire, ruby or emerald?
Our Guide to Fancy-Colored Diamond Engagement Rings
Accounting for just 1 percent of all diamonds, these marvels of nature are exceedingly rare and gorgeously complex.
Our Guide to Victorian, Edwardian and Art Deco Engagement Rings
Learn about these antique jewelry styles, then choose a design that speaks to you.