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Rock Crystal And Diamond Jewelry

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Antique Baroque Italian Glass Rosette Ring
Located in Chicago, IL
stones over foil. Each petal is interspersed with a round rock crystal bead, with a seventh in the center
Category

Antique 17th Century Italian Baroque Cluster Rings

Materials

Rock Crystal, Gold

2.68 Carat Ruby, 4.11 Carat Diamond Cocktail Ring
Located in Istanbul, TR
brown and 1,91 ct white diamond set in enameled 18 K gold. Starfish is hanging on rock crystal. You can
Category

2010s Turkish Arts and Crafts Cocktail Rings

Materials

Diamond, Ruby, 18k Gold

Ruby Pendant in 18kt Rose Gold by BIGLI
By Bigli
Located in Oudenaarde, BE
Rock crystal, ruby and a signature diamond (0,01 ct) Reference: 20H34Rcrrubmp/42 Stone combination
Category

21st Century and Contemporary Contemporary Pendant Necklaces

Materials

Rock Crystal, Ruby, Gold, 18k Gold, Rose Gold

Amedeo "Rosa" Cameo Ring with Black Diamonds
By AMEDEO
Located in New York, NY
with black diamonds and rock crystal dome.
Category

2010s Italian Artisan Dome Rings

Materials

Black Diamond, Sterling Silver

Sorab Roshi Dragonfly Pin With Aqua Diamond
By Sorab Roshi
Located in Greenwich, CT
18 karat white gold hand-carved rock crystal dragonfly Pin with diamonds , pearl and aqua. D= 1.78
Category

21st Century and Contemporary American Brooches

Materials

Aquamarine, 18k Gold

18kt rose gold earrings with diamonds asymmetric smoky quartz
Located in Milano, IT
. The 18kt Pink Gold Earrings with Rock Crystal asymmetric gems & Natural Diamonds is an everyday piece
Category

2010s Italian Modern Dangle Earrings

Materials

Diamond, Quartz, 18k Gold, Rose Gold

VHERNIER Gocce Earclips
By Vhernier
Located in London, GB
with mother of pearl and rock crystal is unique. Each collection exudes supreme style, elegance and
Category

21st Century and Contemporary Italian Contemporary Clip-on Earrings

Materials

Turquoise, Rock Crystal, 18k Gold

3 Carat Citrine Diamond Ring 14 Karat Yellow Gold
Located in Barnsley, GB
gems as talismans. The ancient Greeks carved iconic images into them and shaped them into rock crystal
Category

21st Century and Contemporary Contemporary Fashion Rings

Materials

Citrine, Diamond, White Diamond, 14k Gold, Yellow Gold

Queen Victoria Portrait Black Enamel Diamond Gold Memorial Pendant
Located in Middleton, WI
. A thickly beveled navette rock crystal is set in 15 karat rose gold, and is bordered in black enamel
Category

Antique Early 1900s British Victorian Pendant Necklaces

Materials

Diamond, 15k Gold

Mckenzie Liautaud Diamond Accent 14 kt Gold Magic Cupola Necklace
By Mckenzie Liautaud
Located in New York, NY
Mckenzie Liautaud 14 karat gold pave diamond Magic Cupola Crystal Necklace 14 karat yellow gold
Category

2010s American Pendant Necklaces

Materials

Diamond, Gold

18th Century Diamond Bracelet with 2000-Year-Old Intaglios, 1790s
Located in Antwerp, BE
like emeralds, refers to rock-crystal rather than to glass (Nat. Hist. , XXXVII, 79 & 197). On an
Category

Antique 18th Century Unknown Empire Charm Bracelets

Materials

Chalcedony, Diamond, White Diamond, Gold, 14k Gold, Rose Gold, Yellow Go...

Heart Shaped Druzy Pendant with Diamond on 18 Karat White Gold
By Alistair R
Located in Ballynahinch, Co Down
evaporate on the rock. It has a beautiful sparkling appearance due to the tiny crystals, and is much prized
Category

2010s British Contemporary Pendant Necklaces

Materials

Chalcedony, Diamond, 18k Gold, White Gold, Sterling Silver

Floating eye Earrings with 4 semi precious stones, gold plated
By Alexandra Koumba
Located in New York City, NY
topaz stone of 5mm diameter, 1 rock crystal of 3mm diameter, 1 amethyst stone of 2.5mm diameter, and 1
Category

21st Century and Contemporary Contemporary Drop Earrings

Materials

Topaz, Rock Crystal, Amethyst, Garnet, Peridot, Multi-gemstone, Diamond,...

Bolt Squared Necklace, Blackened Silver and 18K Yellow Gold, Intaille
Located in PARIS, FR
Empire-inspired, resolutely Rock piece of jewellery!
Category

2010s French Pendant Necklaces

Materials

Gold, Yellow Gold, Silver, 18k Gold

"i4 Floating"big eye pendant, plated in 18k gold or silver
By Alexandra Koumba
Located in New York City, NY
and 18k gold as well as precious stones and diamonds can be included in the eye.Custom combinations
Category

21st Century and Contemporary Greek Chain Necklaces

Materials

Sapphire, Aquamarine, Multi-gemstone, Diamond, Coral, Rock Crystal, Topa...

36.35 Carat Labradorite, Diamond Earring in Oxidized Sterling Silver, 14K Gold
Located in New York, NY
1.75 Inch Long 36.35 ct Labradorite and 2.00 ct Champagne Diamond Earring set in Oxidized Sterling
Category

2010s Indian Contemporary Dangle Earrings

Materials

Labradorite, 14k Gold, Sterling Silver

171.20 Carat Rutilated Quartz, 2.80 Carat Diamond Ring Sterling Silver, 14K Gold
Located in New York, NY
puts this rock star of gems center stage alongside Diamonds, Selenite, and other translucent crystals
Category

2010s Indian Contemporary Cocktail Rings

Materials

Quartz, 14k Gold, Sterling Silver

Faraone Mennella Rose Quartz Blue Tourmaline Yellow Gold Earrings
By Faraone Mennella
Located in New York, NY
18k yellow gold, rose quartz, white diamonds and blue tourmaline rock crystal.
Category

2010s Italian Modern Dangle Earrings

Materials

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

AIR 4 Elements Ring in 18k White Gold Distressed Silver by Elie Top
By Elie Top
Located in Paris, France
. Details: Rock Crystal & Mother of Pearl Diamond: 0.015 cts 18k White Gold: 4g Silver: 3.6g Made in France
Category

21st Century and Contemporary French Neoclassical Cluster Rings

Materials

Diamond, Pearl, 18k Gold, Silver, White Gold

Oro Trend Rubellite Tourmaline 18K White Gold Pin or Pendant
Located in Solvang, CA
rubellite tourmaline center set above a large rock crystal quartz, and accented with .50 carat total weight
Category

21st Century and Contemporary Brooches

Materials

Quartz, Rubelite, 18k Gold, White Gold

Citrine Pendant (P13876n)
Located in Teófilo Otoni, MG
the shore and used them as talismans, the ancient Greeks carved rock crystal ornaments that glistened
Category

21st Century and Contemporary Brazilian Pendant Necklaces

Materials

Citrine, Diamond, 18k Gold, White Gold

Elie Top Cosmogonie Secrete Bague Sceau AIR
By Elie Top
Located in Paris, FR
Seal Ring - AIR Silver White Gold and Diamond large ring with rotating rock crystal center piece
Category

21st Century and Contemporary French Neoclassical More Rings

Materials

Diamond, White Gold, Silver, Silver Plate

Elie Top Cosmogonie Secrete Collier Blason Air/Terre
By Elie Top
Located in Paris, FR
and rock crystal center piece. Coat of arms necklace mounted on a patinated silver chain, with a
Category

21st Century and Contemporary French Neoclassical More Necklaces

Materials

Diamond, Emerald, Onyx, 18k Gold, Silver

Studio Greytak Super Seven Cufflinks On Cactus Quartz with Ruby Gold Leaf
By Studio Greytak
Located in Missoula, MT
balances the powerful energy of the piece. The tiny crystals form perfect, raised triangles called “record
Category

21st Century and Contemporary American Modern Cufflinks

Materials

Amethyst, Citrine, Peridot, Quartz, Ruby, 24k Gold, Gold

Single 18 Karat Rose Gold Aunt Stud Earring with Fancy Cut Pink Sapphires
By Bibi van der Velden
Located in Amsterdam, NL
collection’s bold designs capture flamboyant tulips and leaves in 18k yellow gold and rock crystal, such as one
Category

2010s Dutch Contemporary Stud Earrings

Materials

White Diamond, Pink Sapphire, Tsavorite, 18k Gold, Rose Gold, White Gold...

AIR Sceau Ring in 18k White Gold by Elie Top
By Elie Top
Located in Paris, France
(Libra, Gemini, Aquarius) and on the crystal rock, an eagle. Details: Rock Crystal & Mother-of-Pearl 3
Category

21st Century and Contemporary French Neoclassical Fashion Rings

Materials

White Gold

H Stern Justine Quartz 18K Dangle Earrings
Located in Fuquay Varina, NC
Shape: Round Brilliant Diamond Clarity: VVS-VS Diamond Color: F-H Gemstone Type: Rock Crystal Quartz
Category

Late 20th Century Brazilian Dangle Earrings

Materials

Quartz, 18k Gold, Yellow Gold

Citrine Earrings (B12837n)
Located in Teófilo Otoni, MG
the shore and used them as talismans, the ancient Greeks carved rock crystal ornaments that glistened
Category

21st Century and Contemporary Brazilian Stud Earrings

Materials

Citrine, 18k Gold, White Gold

David Webb Nail Choker Necklace
By David Webb
Located in Dallas, TX
necklaces, colorful sautoirs, Maltese cross brooches, dynamic use of pearls and diamonds, and exquisite rock
Category

2010s American Modern Choker Necklaces

Materials

18k Gold, Yellow Gold

Around the World Geode Silver Hoop Earrings
By Nina Wynn
Located in Denver, CO
mysterious, organic edge to your look. To make them feel extra luxe—and pop on the ear—we added tiny diamond
Category

21st Century and Contemporary Vietnamese Contemporary Hoop Earrings

Geode Gold 18 Karat Necklace
By Nina Wynn
Located in Denver, CO
Earthy and unique, our one-of-a-kind geode necklace adorned with vivid diamonds is a true delight
Category

21st Century and Contemporary Vietnamese Contemporary Pendant Necklaces

Geode Gold 18 Karat Ring
By Nina Wynn
Located in Denver, CO
Earthy and unique, our one-of-a-kind geode ring adorned with vivid diamonds is a true delight
Category

21st Century and Contemporary Vietnamese Contemporary Cocktail Rings

Milky Quartaz with Coral Ring in 18ct Gold by Bigli
By Bigli
Located in Oudenaarde, BE
Moments ring in 18ct pink gold with green aventurine, turquoise, rock crystal and a signature
Category

21st Century and Contemporary Belgian Contemporary Fashion Rings

Materials

Quartz, Gold, 18k Gold, Rose Gold

Exceptional Sapphire Diamond Rock Crystal Platinum Ring
Located in Boston, MA
set old European cut diamond framed by frosted rock crystal and French cut sapphires this ring is
Category

20th Century Engagement Rings

Materials

Diamond, Rock Crystal, Blue Sapphire, Platinum

Art Deco Coral Rock Crystal Diamond Clasp Necklace
Located in Boston, MA
and diamond clasp. Featuring alternating round natural coral beads and faceted rock crystal disks
Category

Early 20th Century Art Deco Beaded Necklaces

Materials

Coral, Diamond, Rock Crystal, Platinum

Edward Oakes Art Nouveau Portrait of a Child Brooch in Gold
Located in Boston, MA
what Oakes is famous for. Featuring a beautiful portrait of a baby boy under cabochon cut rock crystal
Category

Early 20th Century American Arts and Crafts Brooches

Materials

Diamond, 14k Gold

Long Parallel Earring Rock Crystal Pearl Diamond in 18 Karat
Located in Paris, FR
angular motif set with diamonds and a rock crystal cabochon.
Category

21st Century and Contemporary French Contemporary More Earrings

Materials

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

Rock crystal diamond platinum bangle bracelet
By Moira Fine Jewellery
Located in London, GB
A rock crystal and diamond flexible bangle, comprised of a series of carved rock crystal links
Category

21st Century and Contemporary British Cuff Bracelets

Materials

Diamond, Rock Crystal, Platinum

Rock Crystal and Diamond Brooch
Located in New York, NY
An elegant old cut diamond and rock crystal brooch of swirl forms. Mounted on platinum, circa 1950.
Category

Vintage 1950s Brooches

Materials

Rock Crystal, White Diamond, Platinum

David Webb Vintage Platinum Diamond and Rock Crystal Jewelry Set
By David Webb
Located in Tustin, CA
We are pleased to present this David Webb Vintage Platinum Diamond & Rock Crystal Set. This
Category

20th Century American Contemporary Link Necklaces

Materials

White Diamond, Rock Crystal, Platinum

Rock Crystal and Diamond Earrings
Located in London, GB
A pair of rock crystal and diamond, Art Deco style earrings, with a central round brilliant-cut
Category

2010s Modern Stud Earrings

Materials

Diamond, Rock Crystal, Platinum

Goshwara Carved Oval Rock Crystal And Diamond Pendant
By Goshwara
Located in New York, NY
Oval Rock Crystal Carved Pendant with Diamonds in 18K Yellow Gold, from 'Rock 'N Roll' Collection
Category

21st Century and Contemporary Indian Contemporary More Jewelry

Materials

Rock Crystal, 18k Gold

Diamond Rock Crystal White Gold Handmade Knot Cufflink Stud Set
By Steven Fox Jewelry
Located in Greenwich, CT
Black tie it with this handmade knot diamond rock crystal and 18 karat white gold knot cufflink
Category

2010s American Contemporary Cufflinks

Materials

Diamond, Rock Crystal, 18k Gold

1930s rock crystal and diamond brooch
Located in London, GB
This is a stunningly elegant rock crystal and diamond brooch made in Austria in 1930s. The rock
Category

Vintage 1930s Austrian Contemporary Brooches

Materials

Diamond, Rock Crystal, 14k Gold

Antique Rock Crystal and Diamond Pendant
Located in Carmel-by-the-Sea, CA
A beautiful creation, made of faceted rock crystal encircled by brilliant white diamonds. The
Category

Antique Early 1900s Pendant Necklaces

Materials

Diamond, Rock Crystal, Platinum

Rock Crystal Diamond Cuff Bracelet Platinum 2.85 Carat Midcentury Jewelry
Located in Torrance, CA
Stylish and elegant vintage frosted rock crystal & diamond cuff bracelet (circa 1950s to 1960s
Category

Mid-20th Century Unknown Modern Cuff Bracelets

Materials

Diamond, Rock Crystal, Platinum

Art Deco Rock Crystal and Diamond Brooch
Located in New York, NY
An Art Deco frosted and clear rock crystal and diamond brooch, in platinum and 18k. Atw 2.32 cts
Category

Early 20th Century Brooches

Materials

Diamond, Rock Crystal, Platinum, 18k Gold

Rock Crystal Diamond Platinum Cufflinks
Located in Carmel-by-the-Sea, CA
crystal, decorated with a frame of diamonds and finished with a diamond “X” at the center. These appear to
Category

21st Century and Contemporary Cufflinks

Materials

Diamond, Rock Crystal, Platinum

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

Late 20th Century Link Bracelets

Materials

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

Diamond and Rock Crystal Caterpillar Brooch by Vhernier
By Vhernier
Located in New York, NY
green jade and rock crystal body. There are 18 diamond feet and a pave diamond head. Circa Modern
Category

21st Century and Contemporary Brooches

Materials

Diamond, Rock Crystal, 18k Gold

Designer Diamond Rock Crystal Tassel Dangle Earrings Estate Fine Jewelry
By Ivanka Trump
Located in Montreal, QC
Beautiful Designer Diamond and Rock Crystal Tassel Drop Earrings. Hand crafted 18K white Gold
Category

21st Century and Contemporary American Modern Dangle Earrings

Materials

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

Giant Carved Rock Crystal and Diamond Ring
Located in Carmel-by-the-Sea, CA
carved rock crystal. The crystal has a translucent, milky quality which has a mystical characteristic. It
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, Rock Crystal, Platinum

Fluted Rock Crystal and Diamond Dome Ring
Located in New York, NY
A retro fluted rock crystal and diamond dome 14 karat gold ring. Made in Italy, circa 1950s.
Category

Vintage 1950s Italian Retro Dome Rings

Materials

Crystal, Diamond, Rock Crystal, 14k Gold

Diamond and Rock Crystal Dome Ring
Located in Firenze, IT
Of rope twist design set with square rock crystal, diamonds approx. 0.60ct total, 18ct gold
Category

Vintage 1950s Italian Retro Dome Rings

Materials

Diamond, Rock Crystal, 18k Gold, Yellow Gold

David Webb Rock Crystal Diamond and Gold Brooch
By David Webb
Located in New York, NY
An American 18 karat gold and platinum brooch with diamonds and rock crystals by David Webb. The
Category

Vintage 1970s British Brooches

Materials

Diamond, Rock Crystal, 18k Gold, Platinum

Rock Crystal Sapphire Diamond and Gold Ring
Located in Palm Springs, CA
Carved rock crystal, diamonds and blue sapphire set on a 14k gold plaque and shank, made in Italy
Category

Vintage 1970s Italian Cocktail Rings

Materials

Rock Crystal, Sapphire, Diamond, 14k Gold

Goshwara Cushion Rock Crystal And Diamond Earrings
By Goshwara
Located in New York, NY
Rock Crystal Cushion Earrings in 18K Yellow Gold with Diamonds Motif, from 'Gossip' Collection
Category

21st Century and Contemporary Indian Contemporary More Earrings

Materials

Diamond, Rock Crystal, 18k Gold

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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.