8 Carat Platinum Diamond
Vintage 1980s Tennis Bracelets
Emerald, Diamond, Platinum, 18k Gold
21st Century and Contemporary Engagement Rings
Yellow Diamond, 18k Gold, Platinum
2010s Unknown Contemporary Tennis Bracelets
Diamond, Platinum
Vintage 1950s American Modern Dome Rings
Diamond, Platinum
2010s Unknown Contemporary Engagement Rings
White Diamond, Diamond, Platinum
20th Century More Rings
Diamond, Star Sapphire, Platinum
Mid-20th Century Art Deco Engagement Rings
Diamond, Platinum
Vintage 1930s Art Deco Brooches
Diamond, Platinum
20th Century Unknown Modern Dangle Earrings
Diamond, Sapphire, Platinum
2010s Italian Modern Engagement Rings
Diamond, White Diamond, Platinum
Vintage 1940s Unknown Retro Band Rings
Diamond, Platinum
Vintage 1920s Brooches
Diamond, Emerald, Platinum
2010s Solitaire Rings
Diamond, Emerald, Platinum
2010s Italian Modern Clip-on Earrings
Diamond, White Diamond, Platinum
2010s Unknown Contemporary Engagement Rings
Yellow Diamond, White Diamond, Diamond, Platinum, Yellow Gold, 18k Gold
2010s American Contemporary Engagement Rings
Diamond, Platinum
Mid-20th Century Unknown Modern Brooches
Diamond, Platinum
Vintage 1930s French Art Deco Brooches
Diamond, Platinum
21st Century and Contemporary American Modern Engagement Rings
Diamond, Tourmaline, Platinum
2010s American Contemporary Band Rings
Diamond, Platinum
2010s American Contemporary Engagement Rings
Yellow Diamond, 18k Gold, Platinum
2010s Unknown Contemporary Engagement Rings
Diamond, White Diamond, Platinum
20th Century Art Deco More Bracelets
2010s Unknown Contemporary Engagement Rings
Diamond, White Diamond, Platinum
2010s Unknown Contemporary Engagement Rings
Diamond, White Diamond, Emerald, Platinum
2010s American Contemporary Cocktail Rings
Diamond, White Diamond, Platinum
21st Century and Contemporary Cocktail Rings
Alexandrite, White Diamond, Platinum
2010s American Contemporary Cocktail Rings
Diamond, Sapphire, Blue Sapphire, Platinum
2010s American Contemporary Stud Earrings
Diamond, Emerald, Platinum
2010s North American Retro Cocktail Rings
Diamond, Zircon, Blue Zircon, 18k Gold, Platinum
2010s American Contemporary Band Rings
Diamond, Gold, 18k Gold, Yellow Gold, Platinum
Early 20th Century Art Deco Link Bracelets
Diamond, Platinum
2010s American Contemporary Engagement Rings
Diamond, Platinum
Early 20th Century Art Deco Tennis Bracelets
Diamond, 18k Gold, White Gold
2010s Italian Modern Engagement Rings
Diamond, White Diamond, Pink Diamond, Platinum, 18k Gold, Yellow Gold
2010s Italian Modern Engagement Rings
Diamond, White Diamond, Emerald, Platinum
2010s American Contemporary Cocktail Rings
Diamond, Blue Sapphire, Sapphire, Platinum
2010s Italian Contemporary Solitaire Rings
Diamond, Yellow Diamond, 18k Gold, Yellow Gold, Platinum
2010s American Contemporary Drop Earrings
Diamond, White Diamond, Yellow Diamond, 18k Gold, Platinum
2010s Italian Modern Engagement Rings
Emerald, Diamond, Platinum, Yellow Gold, 18k Gold
2010s Unknown Contemporary Engagement Rings
Yellow Diamond, White Diamond, Diamond, Platinum, 18k Gold
2010s American Contemporary Engagement Rings
Diamond, Platinum
2010s Unknown Contemporary Engagement Rings
Yellow Diamond, White Diamond, Diamond, Platinum, 18k Gold
2010s Unknown Contemporary Engagement Rings
Diamond, White Diamond, Platinum
Vintage 1930s Retro Bracelets
Emerald, Diamond, Platinum
21st Century and Contemporary Unknown Victorian Modern Bracelets
Diamond, Pearl, Platinum
2010s Unknown Contemporary Engagement Rings
Diamond, White Diamond, Platinum
2010s American Contemporary Engagement Rings
Diamond, White Diamond, Platinum
2010s Italian Modern Solitaire Rings
Blue Sapphire, White Diamond, Diamond, Platinum
2010s American Contemporary Pendant Necklaces
Diamond, Tourmaline, Paraiba, Platinum
21st Century and Contemporary American Modern Drop Earrings
Yellow Diamond, Platinum
Vintage 1980s Modern Cocktail Rings
Diamond, Gold, 18k Gold, Yellow Gold, Platinum
Vintage 1980s French Art Deco Engagement Rings
Diamond, Sapphire, Platinum
2010s American Clip-on Earrings
Diamond, Blue Sapphire, Platinum
2010s American Dangle Earrings
Diamond, Emerald, Platinum
2010s American Contemporary Pendant Necklaces
Diamond, Platinum
2010s American Band Rings
Diamond, Platinum
20th Century Unknown Retro Brooches
White Diamond, Platinum
2010s American Contemporary Chain Necklaces
Diamond, White Diamond, Platinum
21st Century and Contemporary American Engagement Rings
Diamond, Platinum
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8 Carat Platinum Diamond For Sale on 1stDibs
How Much is a 8 Carat Platinum 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 ExpertSeptember 28, 2021An 8-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On an average an 8-carat diamond could cost you between $17,500 to $90,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 8-carat diamond jewelry from different periods and styles to choose from.