2 Carat Emerald Cut Diamond Platinum
1990s American Brooches
Diamond, 18k Gold, Platinum
21st Century and Contemporary American Contemporary Three-Stone Rings
Diamond, White Diamond, Emerald, Gold, 18k Gold, Yellow Gold, Platinum
Vintage 1940s French Cocktail Rings
Diamond, Emerald, Yellow Gold, Platinum
Early 2000s Engagement Rings
Diamond, Blue Sapphire, Platinum
2010s British Modern Three-Stone Rings
White Diamond, Emerald, 18k Gold, Platinum
Vintage 1920s Unknown Art Deco Engagement Rings
Diamond, Emerald, Platinum
2010s Art Deco Engagement Rings
Diamond, Emerald, Platinum
Early 20th Century French Art Deco More Necklaces
Diamond, Emerald, Natural Pearl, Platinum
Vintage 1930s Unknown Art Deco Three-Stone Rings
Diamond, Emerald, 18k Gold, Platinum
20th Century Engagement Rings
Diamond, Tanzanite, Platinum
2010s Engagement Rings
Diamond, Yellow Sapphire, Platinum
Vintage 1930s British Art Deco Cluster Rings
Diamond, Emerald, 18k Gold, Platinum, Yellow Gold
21st Century and Contemporary Art Deco Cocktail Rings
Diamond, Emerald, Onyx, Platinum
Antique Early 1900s British Late Victorian Three-Stone Rings
Diamond, Emerald, 18k Gold, Yellow Gold, Platinum
Vintage 1930s American Art Deco Pendant Necklaces
Aquamarine, Diamond, White Diamond, Platinum
Vintage 1930s Unknown Art Deco Engagement Rings
Diamond, Emerald, 18k Gold, Platinum
Vintage 1960s Unknown Contemporary More Rings
Diamond, Sapphire, Platinum
Early 20th Century French Edwardian Engagement Rings
Diamond, Emerald
21st Century and Contemporary Art Deco Solitaire Rings
Diamond, Platinum
Vintage 1940s Engagement Rings
Diamond, Emerald, 18k Gold, Platinum
21st Century and Contemporary Cocktail Rings
Diamond, Tourmaline, 14k Gold, Platinum
Vintage 1980s Italian More Necklaces
White Diamond, Pearl, Emerald, 18k Gold, Yellow Gold, Platinum
21st Century and Contemporary Brooches
Diamond, White Diamond, Emerald, 18k Gold
2010s Unknown Art Deco Dangle Earrings
Diamond, White Diamond, Emerald, Platinum
1990s Unknown Modern Three-Stone Rings
Diamond, Emerald, 18k Gold, Yellow Gold, Platinum
21st Century and Contemporary Cocktail Rings
Diamond, Tourmaline, Platinum
21st Century and Contemporary American Contemporary Chain Necklaces
Diamond, Platinum
21st Century and Contemporary American Engagement Rings
Diamond, White Diamond, Platinum
Vintage 1940s North American Art Deco Clip-on Earrings
Diamond, White Diamond, Platinum
Vintage 1930s American Art Deco Pendant Necklaces
Aquamarine, Diamond, White Diamond, Emerald, Platinum
21st Century and Contemporary Unknown Engagement Rings
Diamond, Emerald, Platinum
Vintage 1940s French Retro Cocktail Rings
Diamond, White Diamond, Emerald, Gold, 18k Gold, Rose Gold, Platinum
Vintage 1920s Unknown Art Deco Engagement Rings
Diamond, Platinum
Vintage 1950s Cocktail Rings
Aquamarine, Diamond, Platinum
Vintage 1940s French Cocktail Rings
Diamond, Sapphire, White Gold, Platinum
Vintage 1940s French Cocktail Rings
Diamond, Sapphire, White Gold, Platinum
Early 20th Century Pocket Watches
Diamond, Platinum, Gold, 18k Gold, White Gold, Enamel
Vintage 1940s Cocktail Rings
Diamond, Yellow Sapphire, Platinum
Vintage 1940s Art Deco Dangle Earrings
Diamond, Emerald
Vintage 1930s Unknown Art Deco Drop Earrings
White Diamond, Platinum
Mid-20th Century North American Art Deco Cocktail Rings
Diamond, White Diamond, Emerald, 18k Gold, White Gold
21st Century and Contemporary Three-Stone Rings
18k Gold, Platinum
Vintage 1930s Art Deco Brooches
Diamond, Emerald, Ruby, Blue Sapphire, Platinum
Vintage 1950s French Art Deco Link Bracelets
Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum
21st Century and Contemporary Japanese Modern Cocktail Rings
Diamond, Sapphire, Blue Sapphire, Platinum
21st Century and Contemporary Japanese Modern Engagement Rings
Diamond, Ruby, Platinum
21st Century and Contemporary Japanese Modern Engagement Rings
Diamond, Ruby, Platinum
Vintage 1980s American Cocktail Rings
Diamond, Emerald, Sapphire, Gold, 18k Gold, Yellow Gold, Platinum
French Band Rings
Vintage 1920s Unknown Cocktail Rings
Diamond, Emerald
Vintage 1960s Unknown Retro Cocktail Rings
Aquamarine, Diamond, Sapphire, Gold, 14k Gold, Platinum
Vintage 1940s British Art Deco Three-Stone Rings
Diamond, Emerald, 18k Gold, Yellow Gold, Platinum
Vintage 1910s Edwardian Engagement Rings
Diamond, Emerald, Ruby, Gold, 18k Gold, Yellow Gold, Platinum
21st Century and Contemporary Art Deco Band Rings
Diamond, Ruby, Platinum
Vintage 1930s Art Deco Dangle Earrings
Diamond, Onyx, Platinum
1990s Brooches
Diamond, Emerald, 18k Gold, Platinum, Enamel
Vintage 1980s Retro Engagement Rings
Diamond, Sapphire, Blue Sapphire, Platinum
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2 Carat Emerald Cut Diamond Platinum For Sale on 1stDibs
How Much is a 2 Carat Emerald Cut Diamond Platinum?
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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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.