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5.75 Carat Octagonal Green Tourmaline Diamond Palladium Cocktail Ring
Located in Stamford, CT
statement piece. 1 Octagonal brilliant cut green VS tourmaline 11mm x 11mm approximately 5.75 carats 48
Category

Early 20th Century Cocktail Rings

Materials

Diamond, Tourmaline, Palladium

100 Carat Aquamarine Platinum and Diamond Pendant Tassle
Located in Manhasset, NY
’). Suspended between platinum caps with leaf motif top and bottom and set with 48 diamonds weighing 1.31 total
Category

Antique Mid-19th Century Kenyan Pendant Necklaces

Materials

Aquamarine, Diamond, Platinum

3.26 Carat Emerald 4.02 Carat Diamond Tennis Bracelet in 14K Yellow Gold
Located in Old Tappan, NJ
14K yellow gold bracelet with 48 round diamonds weighing 4.02 carats total and 4 emeralds weighing
Category

2010s American Contemporary Tennis Bracelets

Materials

Diamond, Emerald, 14k Gold, Yellow Gold

Bulgari Contemporary Diamond Emerald Parure Suite
By Bulgari
Located in New York, NY
-piece suite is 46 to 48 carats of emeralds, and 12 to 14 carats of diamonds; 208.77 grams overall weight
Category

21st Century and Contemporary Italian Contemporary More Necklaces

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

9.40 Carat Ametrine Sapphire Diamond Yellow Gold Drop Earrings
By Roshe Jewels
Located in Los Angeles, CA
and Diamond accents. Item Specs: 2 Ametrine (Cushion cut stone) = 8.03 carats 48 Yellow Sapphires
Category

21st Century and Contemporary American Contemporary Drop Earrings

Materials

Amethyst, Diamond, Sapphire, Yellow Sapphire, 14k Gold, Yellow Gold

3.34 Carat Pink Morganite Aquamarine Diamond Yellow Gold Cocktail Ring
By Roshe Jewels
Located in Los Angeles, CA
Ring Item Specs: Pear Cut Morganite = 1.43 carats Pear Cut Aqumarine = 1.46 carats 48 Round Cut
Category

21st Century and Contemporary American Contemporary Solitaire Rings

Materials

Aquamarine, Diamond, Morganite, 14k Gold, Yellow Gold

Emerald Earrings 2.3 Carats Sterling Silver
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All gemstones are natural 48 Emeralds = 2.30
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Emerald, Rhodium, Silver, Silver Plate, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Emerald Earrings 2.3 Carats Sterling Silver
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All gemstones are natural 48 Emeralds = 2.30
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Emerald, Rhodium, Silver, Silver Plate, Sterling Silver

Men’s 15.00 Carat Total Weight Diamonds Tennis Bracelet Rose Gold
Located in Miami, FL
There are a total of 48 round diamonds totaling 15 carats of natural diamonds.
Category

Early 2000s Tennis Bracelets

Materials

Diamond, 10k Gold, Rose Gold

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Emerald Earrings 2.3 Carats Sterling Silver
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All gemstones are natural 48 Emeralds = 2.30
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Emerald, Rhodium, Silver, Silver Plate, Sterling Silver

GIA Certified .95 Carat Ruby Diamond Halo Platinum Engagement Ring
Located in Stamford, CT
diamonds, G-H SI approx. 4 round brilliant cut diamonds, G-H SI .48 total carat weight Size 6 and
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Ruby, Platinum

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Emerald Earrings 2.3 Carats Sterling Silver
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All gemstones are natural 48 Emeralds = 2.30
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Emerald, Rhodium, Silver, Silver Plate, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Emerald Earrings 2.3 Carats Sterling Silver
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All gemstones are natural 48 Emeralds = 2.30
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Emerald, Rhodium, Silver, Silver Plate, Sterling Silver

Emerald Earrings 2.3 Carats Sterling Silver
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All gemstones are natural 48 Emeralds = 2.30
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Emerald, Rhodium, Silver, Silver Plate, Sterling Silver

Natural Diamond 0.83 carats 18 Karats White Gold Flower Stud Earrings
Located in Antwerpen, BE
gemstones:48 Shape: Round Brilliant Total Carat Weight: 0.83 ct Average Color: D-E-F Average Clarity: VVS
Category

2010s Belgian Modern Stud Earrings

Materials

Diamond, 18k Gold, White Gold

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

4.67 Carat Mozambique Ruby Diamond Ring in 18 Karat White Gold
Located in Great Neck, NY
-Si1 48 round diamonds weighing .66 carats Two rose cut diamonds weighing .40 carats Set in 18k white
Category

2010s American Modern Cocktail Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Tennis Bracelet 8.15 Carats Sterling Silver
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All gemstones are natural 48 Tanzanites
Category

21st Century and Contemporary Contemporary Tennis Bracelets

Materials

Tanzanite, Rhodium, Silver, Silver Plate, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Ring 18kt Gold Pear Diamond 1.24 carats GIA Diamonds 0.62 carats Split Shank
Located in Miami, FL
Color I Clarity I2 GIA #2225326497 and 48 Diamonds (0.62 carats) Split Shank. Size 6.5. Perfect High
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Gold

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Tennis Bracelet 8.15 Carats Sterling Silver
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All gemstones are natural 48 Tanzanites
Category

21st Century and Contemporary Contemporary Tennis Bracelets

Materials

Tanzanite, Rhodium, Silver, Silver Plate, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

Tanzanite Cluster Stud Earrings 2.55 Carats
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural in Origin 48
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Tanzanite, Silver, Sterling Silver

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48 Carat For Sale on 1stDibs

Find the exact 48 carat you’re shopping for in the variety available on 1stDibs. Frequently made of Gold, 18k Gold and White Gold, this item was constructed with great care. In our selection of items, you can find a vintage example as well as a contemporary version. Making the right choice when shopping for a 48 carat may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 19th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. As it relates to this specific piece, our collection includes designs that are universally popular, but .5 Carat and 1 Carat carat weights, specifically, are sought with frequency. A 48 carat from LB Exclusive, Roshe Jewels and Meghna Jewels — each of whom created a beautiful version of this treasured accessory — is worth considering. A 48 carat of any era or style can lend versatility to your look, but a version featuring Diamond, from our inventory of 663, is particularly popular. A round cut version of this piece has appeal, but there are also oval cut and emerald cut versions for sale. If you’re browsing our inventory for a 48 carat, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is a 48 Carat?

The price for a 48 carat starts at $65 and tops out at $1,750,000 with these rings, on average, selling for $5,627.

Why Gold Shines in Jewelry Craftsmanship

Gold is the feel-good metal, the serotonin of jewelry. Wear vintage and antique gold necklaces, watches, gold bracelets or gold rings and you feel happy, you feel dressed, you feel, well, yourself. 

Gold, especially yellow gold, with its rich patina and ancient pedigree going back thousands of years, is the steady standby, the well-mannered metal of choice. Any discussion of this lustrous metal comes down to a basic truth: Gold is elementary, my dear. Gold jewelry that couples the mystique of the metal with superb design and craftsmanship achieves the status of an enduring classic. Many luxury houses have given us some of our most treasured and lasting examples of gold jewelry over the years.

Since its founding, in 1837, Tiffany Co. has built its reputation on its company jewelry as well as its coterie of boutique designers, which has included Jean Schlumberger, Donald Claflin, Angela Cummings and Elsa Peretti. There are numerous gold Tiffany classics worth citing. Some are accented with gemstones, but all stand out for their design and the workmanship displayed.

For the woman who prefers a minimalist look, the Tiffany Co. twist bangle (thin, slightly ovoid) is stylishly simple. For Cummings devotees, signature pieces feature hard stone inlay, such as her pairs of gold ear clips inlaid with black jade (a play on the classic Chanel black and tan), or bangles whose design recalls ocean waves, with undulating lines of lapis lazuli and mother-of-pearl. And just about any design by the great Jean Schlumberger is by definition a classic.

Even had he eschewed stones and diamonds, Southern-born David Webb would be hailed for the vast arsenal of heavy gold jewelry he designed. Gold, usually hammered or textured in some manner, defines great David Webb jewelry. The self-taught jeweler made very au courant pieces while drawing inspiration from ancient and out-of-the-way sources — East meets West in the commanding gold necklaces made by Webb in the early 1970s. The same could be said for his endlessly varied gold cuffs.

In Europe, many houses have given us gold jewelry that sets the highest standard for excellence, pieces that were highly sought after when they were made and continue to be so. 

Numerous designs from Cartier are homages to gold. There are the classic Trinity rings, necklaces and bracelets — trifectas of yellow, white and rose gold. As a testament to the power of love, consider the endurance of the Cartier Love bracelet.

Aldo Cipullo, Cartier’s top in-house designer from the late 1960s into the early ’70s, made history in 1969 with the Love bracelet. Cipullo frequently said that the Love bracelet was born of a sleepless night contemplating a love affair gone wrong and his realization that “the only remnants he possessed of the romance were memories.” He distilled the urge to keep a loved one close into a slim 18-karat gold bangle. 

BVLGARI and its coin jewelry, gemme nummarie, hit the jackpot when the line launched in the 1960s. The line has been perennially popular. BVLGARI coin jewelry features ancient Greek and Roman coins embedded in striking gold mounts, usually hung on thick link necklaces of varying lengths. In the 1970s, BVLGARI introduced the Tubogas line, most often made in yellow gold. The Tubogas watches are classics, and then there is the Serpenti, the house's outstanding snake-themed watches and bracelets.

A collection called Monete that incorporated the gold coins is one of several iconic BVLGARI lines that debuted in the 1970s and ’80s, catering to a new generation of empowered women. Just as designers like Halston and Yves Saint Laurent were popularizing fuss-free ready-to-wear fashion for women on the go, BVLGARI offered jewels to be lived in

Since Van Cleef Arpels opened its Place Vendôme doors in 1906, collection after collection of jewelry classics have enchanted the public. As predominantly expressed in a honeycomb of gold, there is the Ludo watch and accessories, circa the 1920s, and the golden Zip necklace, 1951, whose ingenious transformation of the traditional zipper was originally proposed by the Duchess of Windsor. Van Cleef's Alhambra, with its Moroccan motif, was introduced in 1968 and from the start its popularity pivoted on royalty and celebrity status. It remains one of VCA’s most popular and collected styles.

Mention must be made of Buccellati, whose name is synonymous with gold so finely spun that it suggests tapestry. The house’s many gold bracelets, typically embellished with a few or many diamonds, signified taste and distinction and are always in favor on the secondary market. Other important mid-20th-century houses known for their gold-themed jewelry include Hermès and Ilias Lalaounis.

Find a stunning collection of vintage and antique gold jewelry on 1stDibs.

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 ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.