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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.  

Throughout history, people have worn rings as symbols. They represented wealth and power for kings. Rings, whether fine jewelry or vintage fashion rings, have been given as gifts to mark significant occasions and accomplishments in life. They are also seen as a sign of love when worn on a certain finger.

For enthusiasts of costume jewelry, which is typically designed to accessorize with current fashions and made of inexpensive materials, there has been no shortage of coveted rings created over the years by the likes of J Dauphin, Miriam Haskell and others. A range of fashion rings created in ceramic or embellished with rhinestones — the latter a source of instant, affordable glamour — have also been designed at Chanel. The founder of the internationally revered luxury house, Gabrielle “Coco” Chanel, loved costume jewelry but couldn’t resist designing jewelry with diamonds.

Signet rings are one of the oldest types of rings. They often have a family crest or seal engraved on the ring that the wearer can imprint into melted wax. Although most people don’t use wax seals anymore, signet rings are an enduring style.

The type of metal chosen for a ring is an important factor in its design. Gold is a classic choice for fine jewelry, and, for costume jewels, gold offers a range of hues that includes yellow gold, white gold and rose gold. Platinum is becoming a popular choice for its elegance. For fashion jewelry lovers, silver rings remain a must-have accessory, particularly those embellished with turquoise or coral.

A stone can add a pop of color or allure to a ring. Many people choose to wear rings featuring their birthstone. Diamonds are popular with those seeking the perfect engagement ring (a search that can prove intimidating), and they also make beautiful fashion rings, from solitaire rings with single stones to rings with groups of stones.

Zircon rings are similar to diamonds and come in various colors. Some rings feature a large stone surrounded by smaller stones in a halo. They can all be the same stone, or they can have different stones to include more colors.

Fashion rings are an easy way to add jewelry to any outfit. Find a collection of vintage fashion rings on 1stDibs that have glitz and glamour to match your style.