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Natural Rock Crystal Flower Trillion Cut Peridot Solid 14k Gold Fashion Ring
By Tutti Frutti Jewellery
Located in Bangkok, TH
Flower carved Natural Rock Crystal (White Quartz) of 28 mm. in diameter with in the center a
Category

2010s Thai Contemporary Fashion Rings

Materials

Crystal, Peridot, Rock Crystal, Gold, 14k Gold

Art Deco Diamond 14k White Gold Filigree Necklace
Located in Scotts Valley, CA
Details: A Sweet Art Deco 14K white gold filigree pendant necklace with carved rock crystal
Category

Vintage 1920s Art Deco Pendant Necklaces

Materials

Diamond, White Gold, 14k Gold

Engraved Octagon Shape Rock Crystal Faceted Oval Ruby 14 Kt Yellow Gold Ring
By Tutti Frutti Jewellery
Located in Bangkok, TH
Unique ring with a Big Natural Engraved Rock Crystal Quartz Cab ,measuring 28 mm. x 22 mm x 8mm
Category

Early 2000s Thai Contemporary Cocktail Rings

Materials

Crystal, Rock Crystal, Ruby, 14k Gold, Yellow Gold

Rock Crystal Flower Natural Ruby Cabochon Solid 14 Karat Gold Fashion Ring
By Tutti Frutti Jewellery
Located in Bangkok, TH
Flower carved Natural Rock Crystal (White Quartz) of 30 x 25 mm size with in the center a Natural
Category

2010s Thai Contemporary Fashion Rings

Materials

Rock Crystal, Ruby, Gold, 14k Gold

Rock Crystal Flower Natural Ruby Cabochon Solid 14 Karat Gold Fashion Ring
By Tutti Frutti Jewellery
Located in Bangkok, TH
Flower carved Natural Rock Crystal (White Quartz) of 30 x 25 mm size with in the center a Natural
Category

2010s Thai Contemporary Fashion Rings

Materials

Rock Crystal, Ruby, Gold, 14k Gold

Rock Crystal Flower Natural Ruby Cabochon Solid 14 Karat Gold Fashion Ring
By Tutti Frutti Jewellery
Located in Bangkok, TH
Flower carved Natural Rock Crystal (White Quartz) of 30 x 25 mm size with in the center a Natural
Category

2010s Thai Contemporary Fashion Rings

Materials

Rock Crystal, Ruby, Gold, 14k Gold

Cartier Mystery Clock
By Cartier
Located in New York, NY
Cartier Mystery Clock This beautiful clock features a circular, faceted rock crystal dial framed
Category

Vintage 1980s French Art Deco Desk Accessories

Materials

Diamond, Rock Crystal, 18k Gold, Silver

Circa 1930s 14K White Gold Camphor Crystal Diamond Pendant
Located in Hicksville, NY
: Excellent Art Deco
Category

Vintage 1930s Art Deco Pendant Necklaces

Materials

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

68 Carats Hexagon Shape Rock Crystal Oval Ruby Cabochon 14 Kt Yellow Gold Ring
By Tutti Frutti Jewellery
Located in Bangkok, TH
Unique ring with an Hexagon shape Natural Rock Crystal (Quartz) ,measuring 32 mm. x 22 mm x 10 mm
Category

2010s Thai Artisan Cocktail Rings

Materials

Crystal, Rock Crystal, Ruby, 14k Gold, Yellow Gold

Diamonds Crystal 18 Karat White Gold Cocktail Ring
By SCALA GIOIELLI
Located in Marcianise, IT
with diamonds and engraved rock crystal. For lovers of the genre it is a jewel that cannot be missing
Category

Vintage 1930s Italian Art Deco Cocktail Rings

Materials

Crystal, Diamond, 18k Gold, White Gold

Deco Style 18 Karats Gold Green Agate White Diamonds Modern Stud Design Earrings
By Rossella Ugolini
Located in Rome, IT
gold and enriched with a green agate, covered with a rock crystal Sugarloaf Cabochon and white diamonds
Category

2010s Italian Art Deco Stud Earrings

Materials

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

Black Onyx, Tourmaline and Diamond Dome Cocktail Ring
By Royaal Stones Ltd
Located in Bangkok, Thailand
Tourmaline ring, set in 18K white gold with Diamonds, black onyx and Rock Crystal. The ring is currently
Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

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

Naldun 1930 Art Deco Pocket Lighter Sterling Silver Essex Glass Horse Intaglio
Located in Miami, FL
An art deco petrol lighter designed by Naldun. Very beautiful and useful petrol lighter, created
Category

Vintage 1930s American Art Deco Tobacco Accessories

Materials

Silver, Sterling Silver

Marcel Boucher Art Deco Prystal Ring Brooch
By Marcel Boucher
Located in New York, NY
Marcel Boucher Art Deco Prystal Ring Brooch, made to resemble Art Deco diamond and rock crystal
Category

Vintage 1930s American Art Deco Brooches

Materials

Rhodium

Martini double cocktail cup four glasses deco first edit original years 30
Located in Biella, IT
Martini double cocktail cup four glasses deco' first edit original years '30 very rareand
Category

Vintage 1930s Italian Art Deco Barware

Materials

Crystal

Deco Style 1.80 Carats Sapphires Diamonds 18K Yellow Gold Timeless Stud Earrings
By Rossella Ugolini
Located in Rome, IT
, Rock Crystal 0.12 Carats White Diamonds Stud Earrings. Timeless Classy and Elegant Stud Earrings
Category

2010s Italian Art Deco Stud Earrings

Materials

Diamond, Sapphire, Gold, 18k Gold, Yellow Gold

Rossella Ugolini 18k Yellow Gold Green Agate White Diamonds Stud Earrings
By Rossella Ugolini
Located in Rome, IT
Rossella Ugolini Design Collection 18 Karats Yellow Gold Green Agate Rock Crystal White Diamonds
Category

2010s Italian Art Deco Stud Earrings

Materials

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

Rossella Ugolini Platinum White Diamonds Green Tourmaline Cocktail Ring
By Rossella Ugolini
Located in Rome, IT
Unveiling Rossella Ugolini's Castle Collection: a magnificent fusion of Art Deco style and Italian
Category

2010s Italian Art Deco Cocktail Rings

Materials

Tourmaline, Rock Crystal, White Diamond, Diamond, Crystal, Agate, Gold, ...

Classy 18K White Gold 3 Carat Blue Kyanite 0.06 Carat White Diamonds Earrings
By Rossella Ugolini
Located in Rome, IT
embellished with Satin Rock Crystal, White Diamonds and Deep Blue Kyanite Oval cut. These beautiful delicate
Category

2010s Italian Art Deco Hoop Earrings

Materials

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

18 Carat Yellow Gold White Diamonds Green Agate RockCrystal Stud Design Earrings
By Rossella Ugolini
Located in Rome, IT
18 Carat Yellow Gold White Diamonds Green Agate Rock Crystal Stud Design Earring. Stunning green
Category

2010s Italian Art Deco Stud Earrings

Materials

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

18 Karat Yellow Gold White Diamonds Green Agate Pendant Modern Design Earrings
By Rossella Ugolini
Located in Rome, IT
Rossella Ugolini Design Collection A beautiful pair of Art Deco Style Pendent Earrings, handcrafted
Category

2010s Italian Art Deco Dangle Earrings

Materials

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

Victorian 14 Karat Gold Essex Crystal Reverse Intaglio Dog Diamond Pin Brooch
Located in Vilnius, Vilniaus apskr.
detail is made of cabochon cut rock crystal. The picture of a dog is hand drawn and is remarkably
Category

Antique Late 19th Century Victorian Brooches

Materials

Diamond, Gold, 14k Gold

18 Karat Gold 0.20 Sugarloaf Agate 0.20 Karat White Diamonds Tourmaline Ring
By Rossella Ugolini
Located in Rome, IT
Carat White Diamonds. The central stone, a green Agate covered with a rock crystal pyramid, emits a
Category

2010s Italian Art Deco Cocktail Rings

Materials

Tourmaline, Rock Crystal, White Diamond, Agate, Yellow Gold, White Gold,...

Citrine Chandelier in Brass and natural translucent Brazilian Quartz stone
By Tiago Curioni
Located in Sao Paulo, SP
delicate and unique rock crystal inserts. Resembling a diamond-studded ring, the entire pendant is adorned
Category

2010s Brazilian Art Deco Chandeliers and Pendants

Materials

Quartz, Brass

Victorian 14 Karat Gold Essex Crystal Reverse Intaglio Dog Bar Brooch
Located in Vilnius, Vilniaus apskr.
is made of cabochon cut rock crystal. The picture of a dog is hand drawn and is remarkably lifelike
Category

Late 20th Century Victorian Brooches

Materials

Crystal, Gold, 14k Gold

Love Birds Brooch Set Diamonds Ruby Blue Sapphire Design by Ella Gafter
By Ella Gafter
Located in New York, NY
transparent crystal, lending the jewel a distinctly art déco look. The tails are set with custom cut tapered
Category

21st Century and Contemporary Italian Artist Brooches

Materials

Coral, White Diamond, Rock Crystal, Ruby, Blue Sapphire, Diamond, 18k Go...

1.80 Carats Sapphires White Diamonds 18k Yellow Gold Timeless Dangle Earrings
By Rossella Ugolini
Located in Rome, IT
Sapphires, Rock Crystal 0.12 Carats White Diamonds Dangle Earrings. Timeless Classy Elegant Dangle Earrings
Category

2010s Italian Art Deco Dangle Earrings

Materials

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

French Belle Époque Thibault Jolivot Sapphire Diamond and Platinum Bracelet
Located in London, GB
Armée, in Paris in the 16th. During the 1920s Georges Thibault produced fine jewellery, in the Art Deco
Category

Vintage 1910s French Belle Époque Link Bracelets

Materials

Diamond, Sapphire, Platinum

Rossella Ugolini 18K Gold Diamond Green Agate Cocktail Ring
By Rossella Ugolini
Located in Rome, IT
Carat White Diamonds. The central stone, a green Agate covered with a rock crystal pyramid, emits a
Category

2010s Italian Art Deco Cocktail Rings

Materials

White Diamond, Tourmaline, Diamond, Agate, Yellow Gold, White Gold, 18k ...

Ruby Diamond Black Jade Gold Ring
Located in New York, NY
estimated 17.61 carats, clustered with concentric rings of channel-set rectangular shape rock crystal and
Category

Mid-20th Century Unknown Art Deco Cocktail Rings

Materials

Moonstone, Onyx, Ruby, White Diamond, 18k Gold, White Gold

18 Carat Yellow Gold White Diamonds Green Agate RockCrystal Stud Design Earrings
By Rossella Ugolini
Located in Rome, IT
Rossella Ugolini Design Collection 18 Carat Yellow Gold White Diamonds Green Agate Rock Crystal
Category

2010s Italian Art Deco Stud Earrings

Materials

Agate, White Diamond, 18k Gold, Yellow Gold

Sagittarius Zodiac Ring with Diamonds Design by Ella Gafter
By Ella Gafter
Located in New York, NY
crystal, lending the jewel a distinctly art déco look. The ring is set with 1.80 carats of diamonds of top
Category

21st Century and Contemporary Italian Artist Cocktail Rings

Materials

White Diamond, Ruby, Crystal, Diamond, 18k Gold, White Gold

16thCentury RockCrystal Hogback ScissorCut Silver High Relief Scrollwork Pendant
Located in Chicago, IL
triangular-and-diamond-shaped cuts. Scissor-cut rock crystals can be found in Renaissance collections of
Category

Antique 16th Century European Renaissance Pendant Necklaces

Materials

Crystal, Rock Crystal, Silver

Emerald Diamond Gold Fish Jabot Pin Brooch
Located in Miami Beach, FL
featuring such materials as platinum, diamonds, carved rock crystal, and calibré-cut stones.
Category

Vintage 1970s American Brooches

Materials

Diamond, Emerald, Gold, 18k Gold, Yellow Gold

18 Karat Yellow Gold White Diamonds Green Agate RockCrystal Stud Design Earrings
By Rossella Ugolini
Located in Rome, IT
18 Karat Yellow Gold White Diamonds Green Agate Rock Crystal Stud Design Earring. Stunning Green
Category

2010s Italian Artisan Stud Earrings

Materials

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

Black Starr Frost Vintage Brooch set with Emerald Aquamarine Approx 48 carat
Located in West Hollywood, CA
by Rock Crystal, Black Onyx, & Diamond Highly Rare and Beautiful Piece . Perfect for special
Category

Vintage 1920s Art Deco Brooches

Materials

Aquamarine, Diamond, Onyx, Platinum

Black Onyx Engraved Rectangular Shape Natural Quartz Pyramid 14k Solid Gold Ring
By Tutti Frutti Jewellery
Located in Bangkok, TH
Onyx,measuring 23 mm. x 26 mm x 8mm. and weighing 60 Carats with a nice Natural Rock Crystal Pyramid
Category

2010s Thai Art Deco Cocktail Rings

Materials

Onyx, Quartz, Gold, 14k Gold, Yellow Gold

Satinated Carved Quartz Cabs 14K gold Ruby Black Onyx Stud Earrings
By Tutti Frutti Jewellery
Located in Bangkok, TH
Simple Chic Earrings made of 2 Engraved Oval Shape Rock Crystals measuring 15 x19 mm with 2
Category

2010s Thai Art Deco Stud Earrings

Materials

Onyx, Quartz, Ruby, 14k Gold, White Gold, Yellow Gold

1920s Art Deco Cartier Coral Diamond Onyx Rock Crystal Platinum Brooch
By Cartier
Located in London, GB
two central coral bars with rock crystal sides, with fan-shaped diamond and onyx terminations, all set
Category

Early 20th Century British Art Deco Brooches

Materials

Coral, Diamond, Onyx, Rock Crystal, Platinum

Diamond Frosted Carved Rock Crystal Ring
Located in New York, NY
frosted rock crystal panels framing a wave of stepped rows of diamonds (5.20 carats; GH-SI) ending in a
Category

Vintage 1970s Unknown Art Deco Fashion Rings

Materials

Diamond, Rock Crystal, 18k Gold

French Art Deco Brooch by Chaumet
By Chaumet
Located in London, GB
A French Art Deco crystal, diamond and onyx brooch by Chaumet, consisting of an octagonal-shaped
Category

Vintage 1910s French Art Deco Brooches

Materials

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

Art Deco Egyptian Revival Rock Crystal, Onyx, Diamond Necklace and Earring Set
Located in Narberth, PA
beaded cluster. Resting at the top is a matching diamond studded rock quartz crystal topper featuring an
Category

Vintage 1920s Unknown Art Deco Dangle Earrings

Materials

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

Art Deco Style Rock Crystal Black Onyx Ruby Gold Diamonds Enamel Earrings
By Tutti Frutti Jewellery
Located in Bangkok, TH
Classic art deco style earrings, with 2 Black Onyx round buttons with at the center 2 small round
Category

Vintage 1980s Thai Art Deco Drop Earrings

Materials

Diamond, Rock Crystal, Ruby, Gold, 14k Gold, Enamel

Mauboussin Art Deco Rock Crystal and Diamond Brooch, circa 1927
By Mauboussin
Located in New York, NY
Mauboussin Rock Crystal Diamond Emerald and Black Enamel Art Deco Brooch; Mauboussin; French; Ca
Category

Vintage 1920s French Art Deco Brooches

Materials

Diamond, Emerald, Rock Crystal, Platinum

Art Deco Rock Crystal Diamond Platinum Brooch
Located in Barcelona, ES
Art Deco Rock Crystal and Diamond Brooch. A beautiful rock crystal frame connects platinum set
Category

Early 20th Century Unknown Art Deco Brooches

Materials

Diamond, Rock Crystal, Gold, Platinum

An Art Deco Rock Crystal Diamond Platinum Link Bracelet
Located in New York, NY
An Art Deco Rock Crystal and Diamond Bracelet, designed as a series of alternating circular-cut
Category

Vintage 1930s Unknown Art Deco Link Bracelets

Materials

Diamond, Rock Crystal, Platinum

Rare Art Deco Linzeler-Marchak Paris Diamond Rock Crystal Pin
Located in Kortrijk, BE
A very fine Art Deco rock crystal and diamond brooch by Linzeler & Marchak, centered by a faceted
Category

Early 20th Century French Art Deco Brooches

Materials

Diamond, Rock Crystal, Gold, Platinum

Art Deco Cufflinks in Platinum with Rock Crystal and Diamonds
Located in San Rafael, CA
Absolutely spectacular Art Deco cufflinks featuring large, rectangular, rock crystal "batons
Category

Early 20th Century Unknown Art Deco Cufflinks

Materials

Crystal, Diamond, Rock Crystal, Platinum

Platinum Art Deco Diamond Rock Crystal Chalcedony Bracelet
Located in Sydney, AU
Attributed to the Gloria Vanderbilt collection, a platinum Art Deco diamond, rock crystal and
Category

Early 20th Century Unknown Art Deco Beaded Bracelets

Materials

Chalcedony, Diamond, Rock Crystal, Platinum

Krementz Art Deco Rock Crystal and European Diamond Studs Set in 14K Platinum
Located in Vienna, VA
Krementz Art Deco Rock Crystal and European Diamond Studs Set in 14K and Platinum Krementz Art
Category

21st Century and Contemporary Art Deco Cufflinks

Materials

Crystal, Diamond, Rock Crystal, Platinum

Art Deco Carved Rock Crystal Enamel Diamond Gold Filigree Necklace
Located in New York, NY
Art Deco carved rock crystal, diamond, enamel filigree necklace featuring a rectangular carved rock
Category

Vintage 1920s Unknown Art Deco Pendant Necklaces

Materials

Diamond, Rock Crystal, 14k Gold

Art Deco Diamond Rock Crystal Buddha and Pearl White Gold Necklace circa 1920
Located in Goettingen, DE
Art Deco Diamond Rock Crystal Buddha and Pearl White Gold Necklace circa 1920 Elegant Art Deco
Category

Vintage 1920s German Art Deco Drop Necklaces

Materials

Crystal, Diamond, Pearl, Rock Crystal, White Gold

Art Deco Platinum Rock Crystal Diamonds Giardinetto Flower Vase Brooch
Located in Munich, DE
rock crystal. The design is very refined and artful: there is even a frame around the flower basket as
Category

Vintage 1910s American Art Deco Brooches

Materials

Diamond, Rock Crystal, Platinum

18K Gold Art Deco Style Ring Rock Crystal Quartz, Onyx and Diamonds
By Doves by Doron Paloma
Located in Great Neck, NY
with Checker-Cut Rock Crystal Quartz. Halo of Triangular Diamond Pave and Black Onyx, representing a
Category

21st Century and Contemporary American Art Deco Cocktail Rings

Materials

Diamond, White Diamond, Onyx, Crystal, Pearl, Quartz, Rock Crystal, Gold...

Rock Crystal and Diamond Dress Set
Located in London, GB
A dress set of square rock crystal sections, inlaid diagonally with a line of diamonds. Mounted in
Category

Vintage 1920s American Art Deco Cufflinks

Materials

Diamond, Rock Crystal, Platinum

Art Deco Rock Crystal Pearl Diamond Platinum Brooch
Located in Toronto, Ontario
One Platinum handmade Art Deco Rock Crystal, Pearl and Diamond Brooch. The boldly shaped geometric
Category

Vintage 1920s Art Deco Brooches

Materials

Pearl, White Diamond, 18k Gold, Platinum

Art Deco Rock Crystal 18 Carat Gold Bracelet
Located in Berlin, DE
Rock crystal and 48 diamonds weighing 1,10 carats. Mounted in 18K yellow- and white gold. Total
Category

20th Century Art Deco Modern Bracelets

Materials

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

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Art Deco Rock Crystal And Diamond For Sale on 1stDibs

Surely you’ll find the exact art deco rock crystal and diamond you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Frequently made of gold, platinum and 18k gold, this item was constructed with great care. Our collection of these items for sale includes 26 vintage editions and 9 modern creations to choose from as well. Making the right choice when shopping for an art deco rock crystal and diamond 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. An art deco rock crystal and diamond from Royaal Stones Ltd, Tiffany Co. and Cartier — each of whom created a beautiful version of this treasured accessory — is worth considering. A brilliant cut version of this piece has appeal, but there are also round cut and emerald cut versions for sale. Finding an art deco rock crystal and diamond for sale for women should be easy, but there are 14 pieces available to browse for unisex as well as men, too.

How Much is a Art Deco Rock Crystal And Diamond?

On average, an art deco rock crystal and diamond at 1stDibs sells for $5,295, while they’re typically $1,320 on the low end and $200,000 for the highest priced versions of this item.

A Close Look at Art-deco Jewelry

Fascination with the Jazz Age is endless, and even today jewelry designers continue to be inspired by authentic Art Deco jewelry and watches.

The Art Deco period, encompassing the 1920s and ’30s, ushered in a very distinct look in the design of jewelry. There were many influences on the jewelry of the era that actually began to take shape prior to the 1920s. In 1909, Serge Diaghilev brought the Ballet Russes to Paris, and women went wild for the company’s exotic and vibrant costumes It’s no wonder, then, that jade, lapis lazuli, coral, turquoise and other bright gemstones became all the rage. There already existed a fascination with the East, particularly China and Japan, and motifs consisting of fans and masks started to show up in Art Deco jewelry.

However, the event that had the greatest influence on Deco was the excavation of the tomb of King Tut in 1922. When the world saw what was hidden in Tut’s burial chamber, it sent just about everyone into a frenzy. Pierre Cartier wrote in 1923 that “the discovery of the tomb will bring some sweeping changes in fashion jewelry.” And he couldn’t have been more right. “Egyptomania” left an indelible mark on all of the major jewelry houses, from Cartier to Van Cleef Arpels, Boucheron and Georges Fouquet. (Cartier created some of the most iconic jewelry designs that defined this era.)

While a lot of Art Deco jewelry was black and white — the black coming from the use of onyx or black enamel and the white from rock crystal and diamonds — there is plenty of color in jewelry of the era. A perfect accent to diamonds in platinum settings were blue sapphires, emeralds and rubies, and these stones were also used in combination with each other.

Many designers employed coral, jade and lapis lazuli, too. In fact, some of the most important avant-garde jewelers of the period, like Jean Després and Jean Fouquet (son of Georges), would combine white gold with ebony and malachite for a jolt of color.

A lot of the jewelry produced during this time nodded to current fashion trends, and women often accessorized their accessories. The cloche hat was often accented with geometric diamond brooches or double-clip brooches. Backless evening dresses looked fabulous with sautoir necklaces, and long pearl necklaces that ended with tassels, popular during the Edwardian period, were favored by women everywhere, including Coco Chanel.

Find unique Art Deco necklaces, earrings, bracelets and other 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.