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Victorian 18 Carat Gold Royal Blue Enamel and Diamond Ring
Located in Chipping Campden, GB
complement the sweeping design of the ring. Glossy waves of royal blue enamel are inlaid between the stones
Category

1870s British High Victorian Antique Blue Enamel And Diamond

Materials

Diamond, 18k Gold, Yellow Gold

French Antique Gold, Blue Enamel, and Diamond Flying Swallow Brooch or Pendant
Located in New York, NY
An antique brooch designed as a winging blue enamel swallow with rose diamond embellishment on the
Category

1830s French Victorian Antique Blue Enamel And Diamond

Materials

Diamond, 18k Gold

Antique 1845 Victorian Blue Enamel Heart Diamond Locket Pendant Necklace 18Kt
Located in Munich, Bavaria
covered in translucent blue enamel. The front is decorated with a flower. The flower and the leaves are
Category

1840s Unknown Victorian Antique Blue Enamel And Diamond

Materials

Diamond, 18k Gold

Antique Victorian 18k Gold Diamond and Blue Enamel Locket Pendant
Located in NEWARK, GB
enamel, Diamond is a replacement, some tiny dings to the reverse. Approx measurements: 2.30" length
Category

19th Century British Victorian Antique Blue Enamel And Diamond

Materials

Diamond, 18k Gold, Yellow Gold, Enamel

Brooche with blue enamel and rose diamonds 14k gold with silver
Located in The Hague, ZH
14k gold with silver brooch with blue enamel and set with rose cut diamonds total approx. 0.40 ct G
Category

1880s Dutch Early Victorian Antique Blue Enamel And Diamond

Materials

Diamond, 14k Gold, Silver, Enamel

Antique Diamond Enamel and Ruby Ring
Located in Geneva, CH
Antique Enamel rose cut Diamond and cabochon Ruby Ring. Blue and green enamel, diamond and ruby
Category

Early 20th Century Indian Anglo-Indian Antique Blue Enamel And Diamond

Materials

Diamond, Ruby, Enamel

Desbazeille Dark and Light Blue Enamel Diamond Gold Dress Set
Located in London, GB
A French enamel and diamond dress-set, by Desbazeille, with dark and light blue enamel, using both
Category

1890s French Art Nouveau Antique Blue Enamel And Diamond

Materials

Diamond, 18k Gold

Antique 1830s 4.39 Carat Diamonds Blue Enamel and Rose Gold Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning 4.39 carat diamond and blue enamel, 12 karat rose gold and silver set cocktail ring
Category

Early 19th Century Unknown Antique Blue Enamel And Diamond

Materials

Diamond, Rose Gold, Yellow Gold, Silver, Enamel

This 18K Snake Ring Cobalt Blue Enamel Rubies Diamonds
Located in North Hollywood, CA
This 18K snake ring is enameled in Cobalt blue and has Rubies and Diamonds all around. This ring
Category

1880s Austrian Artisan Antique Blue Enamel And Diamond

Materials

Diamond, Ruby, 18k Gold, Enamel

Antique Belle Epoque French Diamond and Blue Enamel Ring Navette 18k Gold Ring
Located in London, GB
birth of the Dauphin of France (bagues à l’enfantement). The celestial cobalt blue guilloché enamel
Category

Early 1900s French Edwardian Antique Blue Enamel And Diamond

Materials

Diamond, 18k Gold, Enamel

Victorian 1880 Blue Enameled Celestial Ring In 15Kt Gold With Rubies And Diamond
Located in Miami, FL
royal blue enamel. It is accented by seven natural earth mined gemstones. Bright blue were favored color
Category

1880s English Victorian Antique Blue Enamel And Diamond

Materials

Diamond, White Diamond, Emerald, Ruby, Gold, 15k Gold, Yellow Gold, Enamel

Early 19th Century Bishop s Ring with Amethyst, Diamonds, and Blue Enamel
Located in New York, NY
An antique Bishop's ring of octagonal design centering on a foiled amethyst in a blue enamel and
Category

1810s British Georgian Antique Blue Enamel And Diamond

Materials

Amethyst, Diamond, 15k Gold, Silver

Victorian 18K Gold and 3 Carat Old Mine Cut Diamond Blue Enamel Snake Bangle
Located in New York, NY
19th Century 18k Yellow Gold and Blue Enamel and an estimate of 3cts Old Mine Cut Diamonds and
Category

Late 19th Century English High Victorian Antique Blue Enamel And Diamond

Materials

Diamond, Ruby, 18k Gold, Enamel

Antique Diamond Star Fob Watch, 18k Gold, Blue Enamel, Bow Brooch
Located in NEWARK, GB
enamel and Rose cut diamond fob watch. A rich 18kt yellow gold case with deep cobalt blue Guilloche
Category

Early 20th Century European Art Nouveau Antique Blue Enamel And Diamond

Materials

Diamond, 18k Gold, 9k Gold, Yellow Gold, Enamel

Victorian Enamel Cherub and Gemstone Locket
Located in Carmel-by-the-Sea, CA
locket is decorated with an enamel cherub, with each corner speckled with a gemstone. One ruby, emerald
Category

1880s Antique Blue Enamel And Diamond

Materials

Diamond, Emerald, Ruby, Blue Sapphire, 18k Gold, Yellow Gold, Enamel

IMPERIAL RUSSIAN Faberge Diamond Pearl Blue Guilloche Enamel 14k Drop Earrings
By Fabergé
Located in New York, NY
Imperial Faberge earrings in 14k Rose Gold, crafted with very fine cobalt blue guilloche enamel, diamonds
Category

1880s European Russian Empire Antique Blue Enamel And Diamond

Materials

Pearl, Diamond, Cultured Pearl, 14k Gold, Rose Gold, Enamel

Fabergé Antique Gold Diamond Enamel Locket Pendant
By Fabergé
Located in New York, NY
Antique 18k gold locket pendant by Faberge, set with blue blue enamel , pearls and rose cut
Category

19th Century Antique Blue Enamel And Diamond

Materials

Diamond, Gold, Enamel

Edwardian 1900 Enameled Bracelet In 18Kt Yellow Gold With Sapphires And Diamonds
Located in Miami, FL
karats with textured and polished finishes. Embellished with applications of blue and white glass enamels
Category

Early 1900s English Edwardian Antique Blue Enamel And Diamond

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Gold, 18k Gold, Yellow ...

Victorian Sapphire, Diamond, and Enameled Cherub Crescent Pendant Necklace
Located in Narberth, PA
An absolutely breathtaking enameled gemstone crescent pendant necklace from the Early Victorian
Category

1880s Unknown Victorian Antique Blue Enamel And Diamond

Materials

Diamond, Blue Sapphire, 14k Gold, Sterling Silver, Yellow Gold

Victorian Devotional Enamel and Gold Ring
Located in Litchfield, CT
Circa 1890s, 18k, French Import. This charming antique ring features deep blue enamel and a diamond
Category

1890s French Antique Blue Enamel And Diamond

Materials

Diamond, Gold, 18k Gold, Enamel

1920s Emerald and Diamond, Enamel Yellow Gold Pendant
Located in Jesmond, Newcastle Upon Tyne
A stunning antique 0.72 carat emerald and 1.93 carat diamond, blue enamel and 18 karat yellow gold
Category

Early 20th Century Unknown Antique Blue Enamel And Diamond

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

18 Karat Art Nouveau Pendant, Enhancer with Enamel, Diamonds, Pearl and Sapphire
Located in Berlin, DE
Beautiful Art Nouveau pendant with finest enamel work, small diamonds, a natural pearl and blue
Category

Early 1900s Art Nouveau Antique Blue Enamel And Diamond

Materials

Diamond, Natural Pearl, Blue Sapphire, 18k Gold

Antique Ladies Porcelain Dial Enamel Diamond Gold Watch Pendant
Located in Carmel-by-the-Sea, CA
A charming lever-set watch with a porcelain dial, heavily decorated with royal blue enamel and rose
Category

1890s Antique Blue Enamel And Diamond

Materials

Diamond, 18k Gold, Yellow Gold, Enamel

1920s Lapis Lazuli and Diamond, Enamel Yellow Gold Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
An impressive antique Art Deco lapis lazuli and 0.03 carat diamond, blue enamel and 18 karat yellow
Category

Early 20th Century Unknown Art Deco Antique Blue Enamel And Diamond

Materials

Diamond, Lapis Lazuli, 18k Gold, Yellow Gold

Antique Early Victorian Garnet and Enamel Ring
Located in Stamford, CT
light blue enamel, a sparkle of diamonds and rich red garnets. The unique component of this ring is the
Category

1840s Early Victorian Antique Blue Enamel And Diamond

Materials

Garnet, 15k Gold, Enamel

0.10 Carat Diamond and Enamel Dragon Sword Brooch in 14 Karat Gold
Located in Hicksville, NY
Stunning Mediterranean Blue, Teal and Green Enamel Dragon Diamond encrusted Sword Handle Seed Pearl Sword
Category

Early 20th Century Unknown Victorian Antique Blue Enamel And Diamond

Materials

Diamond, Pearl, 14k Gold, Yellow Gold

Antique Plique a Jour Enamel Dragonfly Clip of 14k Gold
Located in Lewisburg, PA
A 14k gold dragonfly scarf clip from 1908, featuring wings of blue plique a jour enamel and a
Category

Early 1900s Art Nouveau Antique Blue Enamel And Diamond

Materials

Diamond, 14k Gold, Enamel

Antique English Diamond Royal Engineers Badge Brooch Platinum 18 Kt gold
Located in Napoli, IT
with Red and Blue enamelling Embellished with Diamonds approx .30 Ct Bearing “Honi -Soit -Qui -Mal – Y
Category

1920s European Art Deco Antique Blue Enamel And Diamond

Materials

Diamond, Gold, 18k Gold, Platinum

Antique Snake Bracelet
Located in New York, NY
. The snake head is set with blue enamel, diamonds and an oval shaped ruby, while the eyes are each set
Category

Early 1900s Victorian Antique Blue Enamel And Diamond

Materials

Amethyst, Diamond, Ruby, Gold, 14k Gold, Yellow Gold, Enamel

A Pair of Victorian Blue Enamel and Diamond Stud Earrings
Located in London, GB
A pair of Victorian blue enamel and diamond stud earrings, each stud centrally set with an old-cut
Category

1880s British Victorian Antique Blue Enamel And Diamond

Materials

Diamond, Yellow Gold, Enamel

Fine Georgian Blue Enamel Diamond Urn Ring
Located in London, GB
A Georgian blue enamel and diamond ring, the ring comprising an oval blue enamel plaque with white
Category

Early 1800s British Georgian Antique Blue Enamel And Diamond

Materials

Diamond, Yellow Gold

Victorian Half Pearl, Diamond and Blue Enamel Ring
Located in London, GB
A Victorian gold mounted half pearl, diamond and blue enamel ring, the half pearl measuring
Category

1850s British Victorian Antique Blue Enamel And Diamond

Materials

Diamond, Pearl, Yellow Gold, Enamel

Set of Seven Edwardian Diamond-Set and Enamel Buttons
Located in London, GB
A set of seven late Victorian diamond-set, gold and enamel buttons, each gold circular button set
Category

Early 1900s British Late Victorian Antique Blue Enamel And Diamond

Materials

Diamond, Yellow Gold, Enamel

Early Victorian Blue Enamel, Pearl and Diamond Locket
Located in London, GB
An early Victorian blue enamel, pearl and diamond locket, to the centre a 18th century miniature
Category

1840s English Early Victorian Antique Blue Enamel And Diamond

Materials

Diamond, Pearl, Natural Pearl, 18k Gold, Enamel, Gold, Yellow Gold

A late Victorian diamond and blue enamel stick pin
Located in London, GB
A late Victorian diamond and blue enamel stick pin, the old-cut diamond estimated to weigh 1/3 of a
Category

19th Century English Late Victorian Antique Blue Enamel And Diamond

Materials

15k Gold, 18k Gold

Jockey Moonstone Cameo Stick-Pin
Located in London, GB
, with a blue enameled and rose-cut diamond-set cap, to a rose-cut diamond-set and red- enameled collar
Category

1920s British Art Deco Antique Blue Enamel And Diamond

Materials

Diamond, Moonstone, Yellow Gold, Enamel

American Sword Diamond and Blue Enamel Stick-Pin
Located in London, GB
An American Sword diamond and blue enamel stick-pin, the handle of the sword decorated with blue
Category

Late 19th Century Unknown Victorian Antique Blue Enamel And Diamond

Materials

18k Gold, Enamel

Set of Five Light Blue Enamel and Diamond Buttons
Located in Atlanta, GA
Matched set of five beautiful buttons featuring blue enamel. Each with a flower decoration
Category

Late 19th Century English Victorian Antique Blue Enamel And Diamond

Materials

Diamond

Victorian 1880s Blue Enamel and Diamond Ring or 14 Karat Yellow Gold
Located in Bellmore, NY
This is a stunningly regal and elegant antique Victorian ring whose blue enamel and 14 karat yellow
Category

1880s Unknown Victorian Antique Blue Enamel And Diamond

Materials

Diamond, 14k Gold

Edwardian Blue Enamel and Diamond Turning 18 Karat Yellow Gold Pendant Necklace
Located in Antwerp, BE
rose cut diamonds and beautiful blue enamel. Diameter pendant 4,2 cm. Length necklace 45,00 cm. Weight
Category

Early 19th Century Unknown Edwardian Antique Blue Enamel And Diamond

Materials

Diamond, 18k Gold

Antique Edwardian Cufflinks in Blue Enamel and Diamond Halo in 18 Carat Gold
Located in Yorkshire, West Yorkshire
Yellow Gold, 18ct White Gold Stones: Blue Enamel, Rose Cut Diamonds NJWCU13
Category

1910s Unknown Edwardian Antique Blue Enamel And Diamond

Materials

Diamond, Gold, 18k Gold, White Gold, Yellow Gold

Art Deco Mother of Pearl Enamel Diamond Gold Cufflinks
Located in Lambertville, NJ
1920s Art Deco cufflinks 14k gold cufflinks with mother of pearl top,decorated with blue enamel and
Category

Early 20th Century Art Deco Antique Blue Enamel And Diamond

Materials

Diamond, 14k Gold

Victorian Diamond and Enamel Pendant/Brooch
Located in San Francisco, CA
black enamel scrollwork. A trio of matching cobalt-blue enamel and diamond pendants dance below this
Category

Late 19th Century Unknown Victorian Antique Blue Enamel And Diamond

Materials

Diamond, 14k Gold

Victorian Gold Snake Bracelet
Located in New York, NY
Victorian Period 18 karat gold blue enamel and diamond snake bracelet with diamond pendant hanging
Category

Late 19th Century English Antique Blue Enamel And Diamond

Materials

Diamond, 18k Gold

1900s White and Blue Guilloche Enamel Diamond Gold Cufflinks
Located in London, GB
Fine pair of guilloche,blue enamel cufflinks of sunburst design with a diamond centre,and white
Category

Early 1900s British Edwardian Antique Blue Enamel And Diamond

Materials

Diamond, 18k Gold

Art Nouveau Enamel Sapphire Diamond Gold Platinum Madonna Pendant
Located in Sunny Isles Beach, FL
, with a diamond-set halo, surrounded by a semi-circle of plique-à-jour midnight blue vitreous enamel
Category

Early 20th Century French Art Nouveau Antique Blue Enamel And Diamond

Materials

Blue Sapphire, Diamond, 18k Gold

Old Mine Cut Three Diamond And Blue Enamel Ring
Located in Austin, TX
Old Mine Cut Three Diamond and Blue Enamel Ring. Circa 1850-1880. Three old mine cut light yellow
Category

Late 19th Century Victorian Antique Blue Enamel And Diamond

1920 s ART DECO Moonstone Blue And White enamel Diamond Ring
Located in New York, NY
18kt yellow gold Cabochon MoonStone And Diamond Ring Designed And Decorated With Turquoise Blue And
Category

Early 20th Century American Art Deco Antique Blue Enamel And Diamond

Materials

Diamond, Moonstone, 18k Gold

Victorian Brooch Crescent Moon with Blue Enamel and Rose Cut Diamonds
Located in Antwerp, BE
silver on gold technique Technique: Enamelling is an old and widely-adopted technology. The ancient
Category

1880s Unknown Victorian Antique Blue Enamel And Diamond

Materials

Diamond, White Diamond, Gold, 18k Gold, Rose Gold, Silver

Edwardian Sapphire, White Enamel and Diamond Ring
Located in Atlanta, GA
Edwardian Platinum, Sapphire, Diamond and White Enamel Ring • Center bezel-set with a round
Category

Early 20th Century Edwardian Antique Blue Enamel And Diamond

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

Antique Victorian Blue Enamel Diamond Heart Charm Pendant
Located in Sale, Cheshire
The sweet 15k gold shaped heart is set with guilloché blue enamel and a central cushion cut diamond
Category

Late 19th Century English Victorian Antique Blue Enamel And Diamond

Materials

White Diamond, 15k Gold

Tiffany Co. Platinum, Diamond and Blue Enamel Belle Epoque Pendant Watch with Chain
By Tiffany Co.
Located in Greenwich, CT
, in an elegant guilloche light blue enamel platinum case with rose-cut diamond-set and hand-engraved
Category

Early 19th Century Swiss Georgian Antique Blue Enamel And Diamond

Materials

Diamond, Platinum

Victorian Blue and Yellow Enamel Diamond Gold Forget-Me-Not Bracelet
Located in Calabasas, CA
18 karat gold and bracelet, decorated with enamel flowers and accented by 3 diamonds. measuring 6 7
Category

Late 19th Century Unknown Victorian Antique Blue Enamel And Diamond

Victorian Enamel Guilloche, Diamond, and Gold Locket
Located in Madison area, WI
carats Crafted in lush 18k gold, royal blue guilloche enamel, and rose-cut diamonds, this exceptional
Category

Late 19th Century Unknown Victorian Antique Blue Enamel And Diamond

Materials

Diamond, 18k Gold

Navratna 9 stones of the planet and Enamel Classic Ring Band
Located in London, W1U 2JG
are: Ruby; Natural Pearl; Red Coral; Emerald; Yellow Sapphire; Diamond; Blue Sapphire; Hessonite
Category

15th Century and Earlier Artisan Antique Blue Enamel And Diamond

Materials

Chrysoberyl, Coral, Diamond, Emerald, Natural Pearl, Ruby, Blue Sapphire...

Antique Victorian Enamel Diamond gold Snake Bangle Bracelet
Located in London, GB
A Victorian snake bangle in the form of an ouroboros, with blue enamel decoration, and set with
Category

1880s British Victorian Antique Blue Enamel And Diamond

Materials

Diamond, Pearl, Gold

Victorian Pearl Emerald Diamond Gold Ring
Located in Calabasas, CA
diamonds, the ring accented by 4 rows of five seed pearls, 4 small bezel-set diamonds and blue enamel
Category

Late 19th Century Unknown Victorian Antique Blue Enamel And Diamond

Materials

Diamond, Emerald, Natural Pearl, 18k Gold

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Antique Blue Enamel And Diamond For Sale on 1stDibs

Surely you’ll find the exact antique blue enamel and diamond you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Each design created in this style — which was crafted with great care and often made from Gold, 18k Gold and Enamel — can elevate any look. If you’re looking for an antique blue enamel and diamond from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 19th Century while another version may have been produced as recently as the 20th Century. For this particular piece, are consistently popular carat weights. A rose cut version of this piece has appeal, but there are also old european cut and old mine cut versions for sale. If you’re browsing our inventory for an antique blue enamel and diamond, 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 Antique Blue Enamel And Diamond?

On average, an antique blue enamel and diamond at 1stDibs sells for $4,425, while they’re typically $800 on the low end and $64,542 for the highest priced versions of this item.

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.