1 Carat Old Mine Diamond
Vintage 1930s Art Deco Engagement Rings
Diamond, 18k Gold, White Gold
Antique 1860s Link Bracelets
Diamond, White Diamond, Gold, Silver, Enamel
Early 20th Century Engagement Rings
Diamond, Platinum
Antique Late 19th Century Victorian Brooches
Diamond, 14k Gold
Vintage 1920s Art Deco Solitaire Rings
Diamond, 18k Gold, White Gold
Antique 19th Century Brooches
Diamond, White Diamond, Gold, Silver
Antique Early 1900s Edwardian Dome Rings
Diamond, Platinum
Early 20th Century Brooches
Diamond, Platinum
Vintage 1910s Edwardian Brooches
Diamond, Pearl, Platinum
Antique 1880s Victorian Solitaire Rings
Diamond, Turquoise, 18k Gold, White Gold
Vintage 1910s Edwardian Bangles
Diamond, Gold, 14k Gold, Yellow Gold, Platinum
Early 20th Century Art Deco Engagement Rings
Diamond, Platinum
Vintage 1910s Three-Stone Rings
Diamond, Sapphire, Platinum
Antique Late 19th Century French Late Victorian Brooches
Diamond, 18k Gold, Yellow Gold
Antique 1880s Dutch Early Victorian Brooches
Diamond, Ruby, 14k Gold
Vintage 1930s Unknown Cocktail Rings
Diamond, Sapphire, Platinum
Antique Early 1800s Unknown Georgian Brooches
Diamond, Mixed Metal
Antique Early 1900s Edwardian Pendant Necklaces
Diamond, Sapphire, Platinum
Antique Early 1900s Brooches
Diamond, White Diamond, Brown Diamond, Ruby, Gold, 14k Gold, Silver
Antique 1880s Victorian Link Bracelets
Diamond, Gold, 18k Gold, Yellow Gold
Vintage 1920s Art Deco Three-Stone Rings
Diamond, Sapphire, 18k Gold, White Gold
20th Century Engagement Rings
Diamond, Platinum
Antique 19th Century Bangles
Diamond, White Diamond, Gold, 14k Gold, Yellow Gold
Vintage 1910s Edwardian Solitaire Rings
Diamond, Ruby, Gold, 18k Gold, Yellow Gold
Antique 1880s Victorian Link Bracelets
Diamond, Pearl, Gold, 18k Gold, Yellow Gold
Vintage 1910s Edwardian Engagement Rings
Sapphire, Diamond, Platinum
Antique Late 19th Century Italian Pendant Necklaces
Diamond, Gold, 14k Gold
Antique 1880s Victorian Bangles
Diamond, Garnet, Gold, 14k Gold, Yellow Gold
Antique 1880s Victorian Pendant Necklaces
Diamond, Gold, 14k Gold, Yellow Gold
Antique 1890s Bangles
Diamond, 14k Gold, Yellow Gold
Antique Late 19th Century Victorian Drop Earrings
Diamond, Ruby, 18k Gold
Mid-20th Century Pendant Necklaces
Diamond, Quartz, Gold, 14k Gold, White Gold
Antique Early 1900s Belle Époque Pendant Necklaces
Diamond, White Diamond, Blue Diamond, Gold, 14k Gold, Silver
Antique 1880s Victorian Engagement Rings
Diamond, Gold, 14k Gold, Yellow Gold
Vintage 1920s French Art Deco Link Bracelets
Diamond, Platinum
Antique 1880s Victorian Brooches
Diamond, Gold, 14k Gold, Yellow Gold
Antique 1880s Victorian Engagement Rings
Diamond, Gold, 18k Gold, Yellow Gold
Vintage 1940s Cocktail Rings
Diamond, Ruby, 18k Gold
Antique 19th Century British Victorian Brooches
Diamond, Pearl, 14k Gold, Yellow Gold, Silver
2010s American Art Deco Cocktail Rings
Coral, Platinum
Antique 1860s Cuff Bracelets
Diamond, 14k Gold
Antique 1880s Victorian Drop Earrings
Diamond, 18k Gold, Sterling Silver
Vintage 1950s Cocktail Rings
Diamond, Pearl, Platinum
Antique Early 1900s Art Nouveau Brooches
Diamond, Sapphire, 18k Gold, Platinum
20th Century Brooches
Diamond, 18k Gold, Enamel
2010s Three-Stone Rings
Yellow Diamond, Platinum
Vintage 1920s Unknown Three-Stone Rings
Diamond, White Gold
Antique Late 19th Century Victorian Brooches
Diamond, Sapphire, Gold
Antique Late 19th Century Belle Époque Brooches
Diamond, Pearl, Gold
2010s Asian Loose Gemstones
Diamond
2010s Asian Loose Gemstones
Diamond
Vintage 1920s Art Deco Engagement Rings
White Diamond, Diamond, Gold, 18k Gold, White Gold
Antique Late 18th Century Georgian Cluster Rings
Diamond
Vintage 1910s Edwardian Pendant Necklaces
Diamond, Pearl, Gold, 14k Gold, Yellow Gold
21st Century and Contemporary Dangle Earrings
Diamond, Platinum
20th Century Brooches
Diamond, Blue Sapphire, White Gold, Silver
Antique 1880s Victorian Hoop Earrings
Diamond, Garnet, Gold, 18k Gold, Yellow Gold
- 1
- ...
1 Carat Old Mine Diamond For Sale on 1stDibs
How Much is a 1 Carat Old Mine 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.