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Rock Crystal And Diamond Jewelry

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Carved Rock Crystal Ruby Diamond Brooch
Located in Chicago, IL
Austrian, Vienna, 1950s A finely carved rock crystal flower brooch is mounted in 14K white gold
Category

Vintage 1950s Austrian Brooches

Materials

Diamond, Rock Crystal, Ruby

Cartier Art Deco Cufflinks Rock Crystal and Diamonds
By Cartier
Located in Monte Carlo, MC
Very elegant CARTIER Art Deco Cufflinks in yellow gold and platinum, frosted rock crystal and
Category

Vintage 1930s European Art Deco Cufflinks

Materials

Crystal, Diamond, Rock Crystal, 18k Gold, Yellow Gold, Platinum

Tourmaline, Diamonds and Rock Crystal Earrings
Located in Monte Carlo, MC
Earrings in yellow gold set with carved rock crystal, diamonds and on its center a tourmaline of
Category

Vintage 1970s French Clip-on Earrings

Materials

Diamond, Rock Crystal, Tourmaline, Gold, 18k Gold, Yellow Gold

Rock Crystal, Diamond and Yellow Gold Necklace
Located in Miami, FL
Wonderful handmade rock crystal, diamond and 18 karat gold necklace, composed of a series of carved
Category

Late 20th Century Link Necklaces

Materials

Diamond, White Diamond, Rock Crystal, Gold, 18k Gold, Yellow Gold

Rock Crystal Diamond Drop Earrings
Located in London, GB
A pair of rock crystal and diamond drop earrings with fluted carved rock crystal drops, with two
Category

2010s British Drop Earrings

Materials

Diamond, Rock Crystal, 18k Gold

Carved Rock Crystal, Aquamarine and Diamond Dome Ring
Located in Carmel-by-the-Sea, CA
, aquamarine and diamonds offer a soft look, with the "pillowy" affect of the rock crystal adding an alluring
Category

20th Century Cocktail Rings

Materials

Aquamarine, Diamond, Rock Crystal, Platinum

BULGARI Diamond Rock Crystal Clip Brooch
By Bulgari
Located in Chicago, IL
Fabulous 18K Yellow Gold, Diamond and Rock Crystal Flower Vase Clip Brooch by Bulgari.3 Carats
Category

Vintage 1980s Italian Brooches

Materials

Diamond, Rock Crystal, 18k Gold

Rock Crystal and Rose-Cut Diamond Talisman
By Lawrence Jeffrey
Located in Litchfield, CT
rock crystal with a fine white .75 carat rose-cut diamond. The look is stylishly mysterious with a
Category

2010s American Pendant Necklaces

Materials

White Diamond, Rock Crystal, 18k Gold, Yellow Gold

Diamond and Rock Crystal Pine Cone Earrings
Located in New Orleans, LA
Taking the form of stylized pine cones, these carved rock crystal earrings carry with them a
Category

21st Century and Contemporary Modern Drop Earrings

Materials

Crystal, Diamond, White Diamond, Onyx, Rock Crystal, 18k Gold, White Gold

Rock Crystal and Diamond Art Deco Style Earrings
Located in Carmel-by-the-Sea, CA
playful and decadent. A fantastic dichotomy! - Diamonds in the center of the Rock Crystal are .80
Category

20th Century Art Deco Dangle Earrings

Materials

Diamond, Rock Crystal, Platinum

Cartier Myst Rock Crystal and Diamond Bombe Ring
By Cartier
Located in Idar-Oberstein, DE
of very good quality (ca. 3 carats). The dome is formed with a solid rock crystal on top of the
Category

1990s Contemporary Dome Rings

Materials

Diamond, Rock Crystal, 18k Gold

David Webb Rock Crystal and Diamond Earclips
By David Webb
Located in New York, NY
Pair of vintage David Webb earclip earrings with rock crystal and diamonds, finely crafted in 14 k
Category

Vintage 1980s American Clip-on Earrings

Materials

Diamond, Rock Crystal, 14k Gold

Art Deco Rock Crystal and Diamond Bracelet
Located in Miami, FL
Stunning Art Deco bracelet crafted in platinum featuring 5 Old European Cut Diamonds weighing .40
Category

Vintage 1920s Unknown Art Deco More Bracelets

Materials

Diamond, Rock Crystal, Sapphire, Platinum

Rock Crystal Overlaid with Diamonds and Sapphire Earrings
By Ri Noor
Located in Houston, TX
Ornate details and colorful gems create a stunning display of artistry in Ri Noor's Rock Crystal
Category

2010s Contemporary Dangle Earrings

Materials

Diamond, Rock Crystal, Pink Sapphire, 18k Gold

An Art Deco diamond and rock crystal brooch.
Located in New York, NY
An Art Deco diamond and carved rock crystal brooch of open circular design, in platinum. France
Category

Early 20th Century French Art Deco Brooches

Materials

Rock Crystal, Platinum

Art Deco rock crystal, diamond and onyx pendant
Located in Aspen, CO
Etched rock crystal is enhanced with rose cut diamonds and fancy cut onyx. This pendant is
Category

Vintage 1920s Unknown Art Deco Drop Necklaces

Materials

Diamond, Onyx, Rock Crystal, Platinum

Art Deco Rock Crystal Diamond Necklace
Located in London, GB
An Art Deco rock crystal and diamond necklace, with rock crystal bars, decorated with bands, set
Category

Vintage 1920s Art Deco Beaded Necklaces

Materials

Diamond, Rock Crystal

Rock Crystal Diamond Lalounis Earrings
By Ilias Lalaounis
Located in Dallas, TX
Fabulous Lalounis 18K yellow gold and Diamond with Quartz Crystal completely fabulous Earrings
Category

Early 2000s Greek Modern Dangle Earrings

Materials

Crystal, Diamond, Rock Crystal, 18k Gold, Yellow Gold

Rock Crystal Diamond Gold Ring
Located in London, GB
Triple apex rock crystal and diamond ring, with the three opposing facets on each shoulder pavé
Category

2010s American Modern Cocktail Rings

Materials

Diamond, Rock Crystal, 18k Gold, White Gold

Retro French Rock Crystal Ruby Diamond 18k Gold Lizard Lighter
Located in New York City, NY
Very fine lighter of French origin, circa 1930-40s. It features a rock crystal body with a diamond
Category

Mid-20th Century More Jewelry

Materials

Diamond, Rock Crystal, Ruby, 18k Gold, Yellow Gold

Boucheron Rock Crystal Diamonds Gold Earrings
By Boucheron
Located in Monte Carlo, MC
Earrings in yellow gold, rock crystal and diamonds, signed by Boucheron and numbered. (48 grs)
Category

Vintage 1970s Dangle Earrings

Materials

Diamond, Rock Crystal, 18k Gold

Rock Crystal, Ruby, and Diamond Teardrop Ring
Located in Miami Beach, FL
Size 6 3/4 US
Category

21st Century and Contemporary Indian Contemporary Cocktail Rings

Materials

Rock Crystal, Diamond, Ruby, Sterling Silver, 18k Gold

Carved Rock Crystal Diamond Platinum Ring
Located in Beverly Hills, CA
carved translucent rock crystal, Surrounded by a halo of numerous near colorless diamonds. Crafted in
Category

Vintage 1950s Unknown More Rings

Materials

Diamond, Rock Crystal, Platinum

Rock Crystal Diamond Sapphire Cocktail Ring Vintage 14k Gold Estate Fine Jewelry
Located in Torrance, CA
VS2-SI2 clarity). The sapphires total an estimated 0.24 carats. The rock crystal measures 3.5mm wide
Category

Vintage 1970s Unknown Modern Cocktail Rings

Materials

Diamond, Rock Crystal, Sapphire, 14k Gold, Yellow Gold

Rock Crystal and Diamond Cuff Bangle, 7.00 Carats
Located in London, GB
A modern, fluted rock crystal bangle bracelet, carved from one single piece of rock crystal, with
Category

Early 2000s Unknown Contemporary Bangles

Materials

Diamond, Rock Crystal, 18k Gold

Old European Cut Diamond and Rock Crystal Chandelier Earrings
Located in Carmel-by-the-Sea, CA
European Brilliant cut round diamond, set in a frame of carved rock crystal and suspended from a strand of
Category

Late 20th Century Chandelier Earrings

Materials

Diamond, Rock Crystal, Platinum

Charles Turi Carved Rock Crystal, Onyx and Diamond 18 Karat Yellow Gold Earrings
By Charles Turi Jewelry Co.
Located in Bay Harbor Islands, FL
Charles Turi Carved Rock Crystal, Onyx and Diamond Earrings feature two pieces of beautifully
Category

Late 20th Century American Art Deco Clip-on Earrings

Materials

Diamond, Onyx, Rock Crystal, 18k Gold, Yellow Gold

14k gold rock crystal and diamond beetle ring
Located in London, GB
This intricately made beetle ring has a carved piece of rock crystal as its body and a head set
Category

Vintage 1970s European Contemporary Fashion Rings

Materials

Diamond, Rock Crystal, 14k Gold

David Webb Rock Crystal and Diamond Gold Earrings
By David Webb
Located in London, GB
A pair of David Webb earrings, with carved rock crystal, with gold, leaf style garland surrounds
Category

Vintage 1980s American More Earrings

Materials

Diamond, Rock Crystal, 18k Gold

Ivanka Trump Rock Crystal Diamond Earrings
Located in London, GB
A pair of Ivanka Trump rock crystal and diamond earrings, with round brilliant-cut diamond pavé
Category

2010s British More Earrings

Materials

Diamond, Rock Crystal, 18k Gold

Italian Rock Crystal Diamond Gold Ring
Located in Beverly Hills, CA
lines of diamonds acting as if it were securely fastening the rock crystal securely to the ring. The
Category

Vintage 1980s Italian Dome Rings

Materials

Diamond, Rock Crystal, 18k Gold

Fluted Rock Crystal Diamond Ring Dome Cocktail Vintage 18 Karat Gold Jewelry
Located in Torrance, CA
. Fluted rock crystal measures 24mm x 13mm, accented with an estimated 0.47 carats of diamonds (estimated
Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Diamond, White Diamond, Rock Crystal, 18k Gold, White Gold

Cartier Art Deco Rock Crystal and Diamond Dress Set
By Cartier
Located in London, GB
Cartier. All pieces here have been crafted from 14ct yellow gold and feature a rock crystal disk; each of
Category

Vintage 1930s Art Deco Cufflinks

Materials

Diamond, Rock Crystal, 14k Gold, Yellow Gold

Rock Crystal Diamond Onyx Platinum Earrings
Located in Beverly Hills, CA
baguette cut diamonds cascading down to the translucent creamy orbs of rock crystal. Perfectly finished
Category

Vintage 1980s Unknown Drop Earrings

Materials

Diamond, Onyx, Rock Crystal, Platinum

Rock Crystal Diamond Onyx Platinum Earrings
Located in Beverly Hills, CA
baguette cut diamonds cascading down to the translucent creamy orbs of rock crystal. Perfectly finished
Category

20th Century Unknown Dangle Earrings

Materials

Diamond, Onyx, Rock Crystal, Platinum

Bulgari 18k Gold, Rock Crystal, Sapphire and Diamond Necklace
By Bulgari
Located in New York, NY
Featuring a frosted carved rock crystal, bezel-set with a heart-shaped diamond, accented with two
Category

Vintage 1970s Italian Chain Necklaces

Materials

Crystal, Diamond, Rock Crystal, Sapphire, 18k Gold

Contemporary 18k Diamond and Rock Crystal Crowned Heart Earrings
Located in Hummelstown, PA
brilliant-cut diamond set heart, backed in rock crystal and crowned with a shimmering brilliant-cut diamond
Category

2010s Art Nouveau Dangle Earrings

Materials

Crystal, Diamond, Rock Crystal, 18k Gold

Victorian Emerald Diamond and Rock Crystal Drop Pendant
Located in London, GB
diamonds. This piece, crafted with precision, features a colourless rock crystal sphere as its centrepiece
Category

Antique 19th Century Victorian Pendant Necklaces

Materials

Diamond, Emerald, Rock Crystal, Gold, 18k Gold, Yellow Gold

Onyx Rock Crystal Quartz and Diamond Link Bracelet
Located in Beverly Hills, CA
1970's Onyx, Rock Crystal Quartz and Diamond Link 18 karat yellow gold Bracelet. Bold oval-shaped
Category

Late 20th Century European Retro Link Bracelets

Materials

Diamond, White Diamond, Onyx, Rock Crystal, Crystal, Quartz, Gold, 18k G...

Goshwara Carved Emerald and Rock Crystal With Diamond Earrings
By Goshwara
Located in New York, NY
Carved Round Emerald & Rock Crystal Earrings with Diamonds, in 18k Yellow Gold from 'G-One
Category

21st Century and Contemporary Indian Contemporary More Earrings

Materials

Crystal, Diamond, Emerald, Rock Crystal, 18k Gold

Edwardian Rock Crystal, Ruby and Diamond Drop Earrings
Located in Houston, TX
crystal quartz with diamond accents, suspended from a line of rubies and diamonds. Circa 1910.
Category

Vintage 1910s Unknown Edwardian Drop Earrings

Materials

Diamond, Quartz, Rock Crystal, Ruby, 14k Gold, Sterling Silver

Casato 18K Yellow Gold 1.08ct Diamond and Rock Crystal Earrings
By Casato Gioielli
Located in Southampton, PA
These diamond and rock crystal drop earrings from Casato can bring a whole new level of refinement
Category

21st Century and Contemporary More Earrings

Materials

Crystal, Diamond, Rock Crystal, Yellow Gold

Fluted Rock Crystal Diamond Dome Cocktail Ring Vintage 18 Karat Gold Jewelry
Located in Torrance, CA
. Fluted rock crystal measures 24mm x 13mm, accented with an estimated 0.47 carats of diamonds (estimated
Category

Mid-20th Century Unknown Cocktail Rings

Materials

Rock Crystal, 18k Gold, White Gold

Mauboussin 18k Yellow Gold Diamond and Rock Crystal Drop Earrings
By Mauboussin
Located in Southampton, PA
16.45 grams. This pair of Mauboussin 18K Yellow Gold Rock Crystal Diamond Drop Earrings is in estate
Category

21st Century and Contemporary Drop Earrings

Materials

Diamond, Crystal, Rock Crystal, Yellow Gold

Rock Crystal Diamond Onyx Platinum Earrings
Located in Beverly Hills, CA
baguette cut diamonds cascading down to the translucent creamy orbs of rock crystal. Perfectly finished
Category

Vintage 1980s American Drop Earrings

Materials

Diamond, Onyx, Rock Crystal, Platinum

Vhernier Rock Crystal Diamond Gold Caterpillar Brooch
By Vhernier
Located in Carmel-by-the-Sea, CA
Pillowy sections of carved rock crystal, coupled with diamond-studded feet and head, form the
Category

21st Century and Contemporary Brooches

Materials

Diamond, Rock Crystal, 18k Gold, White Gold

Huge Rock Crystal Diamond Ring Sz 7 Vintage 18k Yellow Gold Cocktail Jewelry
Located in Torrance, CA
Finely detailed vintage rock crystal & diamond cocktail ring, crafted in 18 karat yellow gold
Category

Late 20th Century American Modern Cocktail Rings

Materials

Crystal, Diamond, White Diamond, Rock Crystal, Gold, 18k Gold, Yellow Gold

Boucheron Rock Crystal Sapphire Diamond Bracelet
By Boucheron
Located in North Hollywood, CA
This Boucheron bracelet is very special as it is made from rock crystal, carved and set with
Category

Vintage 1980s French Modernist Cuff Bracelets

Materials

Crystal, White Diamond, Rock Crystal, Sapphire, 18k Gold

Carved Rock Crystal Large Drop Platinum Diamond Pendant
Located in Carmel-by-the-Sea, CA
Etherial carved rock crystal, suspended from a platinum and diamond cap and topped with a diamond
Materials

Diamond, Rock Crystal, Platinum

Amethyst Diamond and Rock Crystal Pendant, France, ca. 1910s
Located in Idar-Oberstein, DE
An amethyst, diamond and rock crystal pendant in platinum, France, ca. 1910s. The large emerald
Category

Vintage 1910s French Edwardian Pendant Necklaces

Materials

Amethyst, Diamond, Rock Crystal, Platinum

Edwardian Rock Crystal, Diamond, Onyx and Platinum and Gold Dress Set
Located in London, GB
An Edwardian rock crystal diamond black onyx enamel platinum and gold dress set, with an old-cut
Category

Vintage 1910s English Edwardian Cufflinks

Materials

Diamond, Onyx, Rock Crystal, 18k Gold, Platinum

Rock Crystal Sapphire Diamond Platinum Dress Set
Located in London, GB
A gentleman's rock crystal, sapphire and diamond dress-set, mounted in platinum, set with old-cut
Category

Vintage 1920s American Art Deco Cufflinks

Materials

Diamond, Rock Crystal, Sapphire, Platinum

Rock Crystal Onyx Diamond Platinum Dress Set
Located in London, GB
A pair of rock crystal, black onyx and diamond dress-set, with faceted rock crystal and round
Category

Vintage 1950s American Cufflinks

Materials

Diamond, Onyx, Rock Crystal, 14k Gold, Platinum

Cartier Rock Crystal Diamond Gold Ring
By Cartier
Located in Beverly Hills, CA
abstract swooping lines of gold inside that crystal ball. With the numerous near colorless diamonds gently
Category

21st Century and Contemporary French Modern More Rings

Materials

Diamond, Rock Crystal, 18k Gold

Rock Crystal Diamond Ring Estate 14 Karat White Gold Pear Teardrop Shape Jewelry
Located in Torrance, CA
Stylish estate rock crystal 7 diamond ring crafted in 14 karat white gold. Round brilliant cut
Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Diamond, White Diamond, Rock Crystal, 14k Gold, White Gold

Rock Crystal Diamond Ring and Earrings Suite, signed Maz
By Maz
Located in Carmel-by-the-Sea, CA
center by a cluster of brilliant diamonds. Channels have been carved of the rock crystal to create a look
Category

Vintage 1980s Clip-on Earrings

Materials

Diamond, Rock Crystal, 18k Gold

Rock Crystal Sapphire Diamond Link Bracelet
Located in Carmel-by-the-Sea, CA
comprised of five rock crystal squares, each fashioned into a gentle pyramid shape and topped with brilliant
Category

Vintage 1930s Art Deco Link Bracelets

Materials

Diamond, Rock Crystal, Blue Sapphire, Platinum

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Rock Crystal And Diamond Jewelry For Sale on 1stDibs

Find the exact piece of rock crystal and diamond jewelry you’re shopping for in the variety available on 1stDibs. Frequently made of gold, 18k gold and yellow 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 an item from our selection of rock crystal and diamond jewelry may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 18th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. A choice in our collection of rock crystal and diamond jewelry from Luigi Ferrara, David Webb and Cartier — each of whom created a beautiful version of this treasured accessory — is worth considering. An object in our assortment of rock crystal and diamond jewelry can make for a versatile accessory, but a selection from our variety of 1692 diamond versions can add an especially stylish touch. See these pages for a round cut iteration of this accessory, while there are also brilliant cut cut and mixed cut cut versions available here, too. When shopping for an option in this array of rock crystal and diamond jewelry, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a Rock Crystal And Diamond Jewelry?

Prices for a piece of rock crystal and diamond jewelry can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $140 and can go as high as $385,000, while this accessory, on average, fetches $4,334.

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.