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Vintage Cartier 5.36 Carats Total Square Emerald Cut 3-Stone Engagement Ring
By Cartier
Located in Scottsdale, AZ
Ring Size: 6.5 This stunning Art Deco-era Cartier engagement ring features a striking 4.64 carat
Category

Early 20th Century Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

1.84 Carat Colombian Emerald and Princess Cut Diamond in 14k Yellow Gold Ring
By Gad Co.
Located in Miami, FL
Emerald-cut Colombian Emerald mounted in 14k solid yellow gold ring set with princess-cut diamond
Category

2010s Art Deco Cocktail Rings

Materials

Diamond, Emerald, Yellow Gold

Emerald Cut Sapphire Double Halo Ring (Approx. 0.80-Carats) w/ Diamond, Platinum
Located in New York, NY
A striking platinum ring showcasing an approximately 0.80 carat emerald cut sapphire, certified as
Category

2010s Unknown Art Deco Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Cabochon Cut Sapphire Ring (Approx. 1.80-Carats) w/ Emerald Diamond, Platinum
Located in New York, NY
This exquisite Art Deco-inspired ring showcases a stunning bezel-set natural cabochon sapphire
Category

21st Century and Contemporary Unknown Art Deco Cocktail Rings

Materials

Diamond, Emerald, Sapphire, Platinum

Sennet Freres Art Deco Brooch
Located in Litchfield, CT
Circa 1920s 14k by Sennet Freres, Hong Kong. In this magnificent brooch, Art Deco and the Chinese
Category

Vintage 1920s Hong Kong Brooches

Materials

Coral, Diamond, Emerald, Cultured Pearl, Sapphire, 14k Gold

2.4ct Natural Pear-Cut Emerald Diamond Halo Stud Earrings in 18K Yellow Gold
Located in Jaipur, RJ
natural pear-cut emeralds, radiating a rich and enchanting green hue. Each emerald is surrounded by a
Category

2010s Indian Art Deco Stud Earrings

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

Emerald Cut London Blue Topaz Diamond Solitaire 14K Yellow Gold Ring
By Unbranded
Located in Oakton, VA
This spectacular London blue topaz Art Deco ring is a unique and glamorous vintage inspired piece
Category

21st Century and Contemporary Art Deco Solitaire Rings

Materials

Diamond, Blue Topaz, 14k Gold, Yellow Gold

Heart Cut Sapphire and Emerald Diamond Dangle Earrings in 14K Rose Gold
By VR Jewels
Located in New York, NY
Sapphire and Emerald Dangle earrings to make a statement with your look. These earrings create a
Category

21st Century and Contemporary American Art Deco Dangle Earrings

Materials

Diamond, Emerald, Sapphire, 14k Gold, Rose Gold, Gold

Natural Rose Cut Polki Diamond Emerald sterling Silver Handmade Vintage Ring.
Located in Chicago, IL
Natural Rose Cut Polki Diamond and emerald Ring 925 Sterling Silver Handmade Vintage Ring A P P R
Category

2010s Indian Art Deco Solitaire Rings

Materials

Diamond, Emerald, Sterling Silver

Calibre Cut Eternity Band, Natural Green Emerald (Approx. 1-Carat), Platinum
Located in New York, NY
: Emerald Stone Cut: Calibre Cut Style: Art Deco Width Of Band: 2.5mm Band Style: Eternity Band Shipping
Category

21st Century and Contemporary Unknown Art Deco Band Rings

Materials

Emerald, Platinum

Natural Rose Cut Polki Diamond Emerald sterling Silver Handmade Vintage Ring.
Located in Chicago, IL
Natural Rose Cut Polki Diamond and emerald Ring 925 Sterling Silver Handmade Vintage Ring A P P R
Category

2010s Indian Art Deco Solitaire Rings

Materials

Diamond, Emerald, Sterling Silver

Certified Pear cut Colombian Emerald White Diamond 18K Gold Dangle Earring
By HYT
Located in Hong Kong, HK
emeralds paired with a cascade of radiant white diamonds. The dynamic, swaying design ensures eye-catching
Category

2010s Hong Kong Art Deco Dangle Earrings

Materials

White Diamond, Emerald, 18k Gold

Octagon Cut Zambian Emerald Halo Diamond Dangle Wedding Earrings 14k White Gold
By Spectrum Jewels
Located in Diera, Dubai
Octagon Cut Zambian Emerald Halo Diamond Dangle Wedding Earrings 14k White Gold These earrings
Category

21st Century and Contemporary American Art Deco Dangle Earrings

Materials

Diamond, Emerald, Gold, White Gold, 14k Gold

Emerald Cut Peach Orange Morganite Baguette Diamond Solitaire White Gold Ring
By Unbranded
Located in Oakton, VA
diamonds! 14K White Gold. Ring Information Style: Art Deco Weight: 4.00 g. (approx. total weight) Center
Category

21st Century and Contemporary Art Deco Engagement Rings

Materials

Diamond, Morganite, 14k Gold, White Gold

Octagon Cut Zambian Emerald Halo Diamond Dangle Wedding Earrings 18k White Gold
By Spectrum Jewels
Located in Diera, Dubai
Octagon Cut Zambian Emerald Halo Diamond Dangle Wedding Earrings 18k White Gold These earrings
Category

21st Century and Contemporary American Art Deco Dangle Earrings

Materials

Diamond, Emerald, 18k Gold, White Gold, Gold

3.56 Carats Zambian Emerald Cushion Cut Stone For Fine Jewelry Natural Gemstone
Located in Jaipur, RJ
3.56 Carats Zambian Emerald Cushion Cut Stone For Fine Jewelry Natural Gemstone Weight: 3.56
Category

21st Century and Contemporary Zambian Art Deco Loose Gemstones

Materials

Emerald

2.67Ct Octagon Cut Zambian Emerald Diamond Halo Bridal Ring 18 Karat White Gold
By Spectrum Jewels
Located in Diera, Dubai
2.67Ct Octagon Cut Zambian Emerald Diamond Halo Bridal Ring 18 Karat White Gold At the center lies
Category

21st Century and Contemporary American Art Deco Wedding Rings

Materials

Diamond, Emerald, Gold, 18k Gold, White Gold

Round Brilliant Cut Diamond Ring (Approx. 0.70-Carats) Emerald Halo, Platinum
Located in New York, NY
Brilliant Cut Style: Art Deco Total Weight: 5.23 Grams Shipping Information: This item is shipped with full
Category

21st Century and Contemporary Unknown Art Deco Cluster Rings

Materials

Diamond, Emerald, Platinum

8.82 Carat Octagon Cut Emerald Diamond Hoop Earrings in 18k Solid Yellow Gold
By VR Jewels
Located in New York, NY
8.82 Carat Octagon Cut Emerald Diamond Hoop Earrings in 18K Gold to make a statement with your look
Category

21st Century and Contemporary American Art Deco Hoop Earrings

Materials

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

10.4cts Rutilated Quartz Statement Ring: 18k Solid Gold Emerald cut 17x11mm
Located in Columbus, OH
Elevate your style with this emerald-cut rutilated quartz ring, set in solid 18k yellow gold. The
Category

21st Century and Contemporary Art Deco Fashion Rings

Materials

Quartz, Gold, 18k Gold, Yellow Gold

Exquisite 14k Yellow Gold Octagon Cut Emerald Diamond Stud Earrings Gift for Mom
By VR Jewels
Located in New York, NY
, luxurious look featuring octagon cut emerald and round cut diamonds. Emerald enhances intellectual capacity
Category

21st Century and Contemporary American Art Deco Stud Earrings

Materials

Diamond, Emerald, Gold, 14k Gold, Yellow Gold

Illusion Asscher Cut Diamond Emerald Sapphire Octagonal White Gold Halo Ring
By Unbranded
Located in Oakton, VA
An exquisite Art Deco style octagonal shape ring. The ring showcases a precise combination multiple
Category

21st Century and Contemporary Art Deco Engagement Rings

Materials

Diamond, Emerald, Sapphire, 14k Gold, White Gold

Diamond French Cut Green Emerald Accent Marquise Shape Drop White Gold Earrings
By Unbranded
Located in Oakton, VA
-shape composite of round diamonds and French-cut emeralds. 14K White Gold. Information Style: Art Deco
Category

21st Century and Contemporary Art Deco Drop Earrings

Materials

Diamond, Emerald, 14k Gold, White Gold

Oval Cut Emerald Halo Ring (Approx. 1.70-Carats), Diamond Halo, Platinum
Located in New York, NY
This exquisite gemstone ring showcases a stunning approx. 1.70-carat oval-cut natural emerald
Category

21st Century and Contemporary Unknown Art Deco Engagement Rings

Materials

Diamond, Emerald, Platinum

Colombian Pear-Cut Emerald Diamond Cluster 18k Gold Ring, GIA Certified
Located in New York, NY
This ring showcases a Colombian pear-cut emerald weighing 3.50 ct set in 18k gold, clarity enhanced
Category

2010s American Art Deco Cluster Rings

Materials

Emerald, Diamond, Platinum, 18k Gold

Rectangle Emerald Shape Cut Pink Sapphire Diamond 18K Rose Gold Ring
By Unbranded
Located in Oakton, VA
This gorgeous pretty ring is beautifully set with an emerald cut natural pink sapphire and round
Category

21st Century and Contemporary Art Deco Engagement Rings

Materials

Diamond, Pink Sapphire, 18k Gold, Rose Gold

AGL Certified 17 Carat Octagonal Cut Minor Oil Colombian Emerald Bezel Set Ring
By Gad Co.
Located in Miami, FL
Experience the pinnacle of sophistication with our 17 Carat Octagonal Cut Colombian Emerald. AGL
Category

2010s Colombian Art Deco Cocktail Rings

Materials

Emerald, 18k Gold, White Gold

Emerald Cut Natural Sapphire Ring (Approx. 1.60-Carats) with Diamond, Platinum
Located in New York, NY
: H Color Clarity: VS2 Metal: Platinum Stone: Diamond, Sapphire Stone Cut: Emerald Cut Style: Art Deco
Category

21st Century and Contemporary Unknown Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Emerald Cut Kunzite Diamond Ring (Approx. 3.60-Carats), Platinum-18K Yellow Gold
Located in New York, NY
This exquisite geometric gemstone ring showcases a stunning approx. 3.60-carat emerald-cut Kunzite
Category

21st Century and Contemporary Unknown Art Deco Engagement Rings

Materials

Emerald, Kunzite, Yellow Gold, Platinum

Platinum Emerald Diamond Bracelet
Located in New York, NY
This bracelet is a classic piece from the Art Deco period, showcasing the beauty of geometric
Category

Vintage 1920s Art Deco Link Bracelets

Materials

Diamond, Emerald, Platinum

Emerald Cut Morganite with Diamond Engagement Ring in 18K White Gold
Located in Bangkok, TH
A breathtaking emerald-cut morganite that captures the light with a soft, romantic glow. Set
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

Diamond, Morganite, White Gold, 18k Gold

Emerald Cut Diamond Halo Ring (Approx. 0.50-Carats) with Ruby, Platinum
Located in New York, NY
Color: J Color Clarity: VS1 Metal: Platinum Stone: Diamond, Ruby Stone Cut: Emerald Cut Style: Art Deco
Category

21st Century and Contemporary Unknown Art Deco Engagement Rings

Materials

Diamond, Ruby, Platinum

Emerald Cut Ruby Heirloom Ring (Approx. 1.20-Carats), Diamond Halo, Platinum
Located in New York, NY
This exquisite ring showcases a stunning approx. 1.20-carat emerald-cut elongated ruby, bezel-set
Category

21st Century and Contemporary Unknown Art Deco Engagement Rings

Materials

Diamond, Ruby, Platinum

2.86 Carat Octagon Cut Zambian Emerald Solitaire Ring 18 Karat Solid White Gold
By Spectrum Jewels
Located in Diera, Dubai
Emerald Weight :- 2.86 carat Ring Size :- 7 US & All ring size available Engagement Gift, Bridal Shower
Category

21st Century and Contemporary Indian Art Deco Solitaire Rings

Materials

Emerald, Gold, 18k Gold, White Gold

Vintage 5 Carat Pear Cut Emerald Crossover Double Split Band Ring
Located in Miami, FL
Art Deco-inspired natural emerald and diamond ring in 14k solid gold. Gemstones are stationed on a
Category

1990s Art Deco Cocktail Rings

Materials

Emerald, 14k Gold, Yellow Gold

Cushion Cut Emerald with Diamond Pendant in 14K Yellow Gold
By VR Jewels
Located in New York, NY
Emerald Diamond pendant in 14K Gold. It has a cushion cut emerald studded with diamonds that
Category

21st Century and Contemporary American Art Deco Pendant Necklaces

Materials

Diamond, Emerald, 14k Gold, Yellow Gold, Gold

EGL Certified 3.62 Three Stone Emerald Cut Diamond Engagement Ring by Sophia D.
By Sophia D
Located in New York, NY
Flawless EGL certified emerald cut diamond ring features a 3.62 carat center stone set that has a
Category

2010s Art Deco Engagement Rings

Materials

Diamond, Platinum

Emerald Rose Cut Diamond Cuff Bracelet with Grill Pattern in 18k Gold Silver
By Artisan NYC
Located in New York, NY
"18KT:3.170g, Diamond:8.82ct, Silver:23.864g, Emerald:11.39ct
Category

21st Century and Contemporary Indian Art Deco Bangles

Materials

Diamond, Emerald, Gold, 18k Gold, Silver

98.96 Carat Emerald Cut Citrine in 14K Yellow Gold Retro Ring
Located in Miami, FL
This vintage ring features a massive 98.96 carat emerald cut citrine in a bold 14K yellow gold
Category

1990s Art Deco Cocktail Rings

Materials

Citrine, Gold, 14k Gold, Yellow Gold

2.78Ct Octagon Cut Emerald Cocktail Ring with Halo Diamonds in 14K Yellow Gold
By VR Jewels
Located in New York, NY
This luxurious emerald cocktail ring features an emerald-cut natural emerald weighing 2.78 carats
Category

21st Century and Contemporary American Art Deco Cocktail Rings

Materials

Diamond, Emerald, Gold, 14k Gold, Yellow Gold

Platinum Emerald GIA Certified 3.34 Fancy Yellow Cushion Cut Diamond Bracelet
Located in Los Angeles, CA
Certified 3.43 Cushion Cut Fancy Brownish Greenish Yellow Diamond VS1-VS2 Clarity, Two Colombian Emeralds
Category

21st Century and Contemporary American Art Deco Modern Bracelets

Materials

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

Natural Emerald and Ruby Square Cut Studs in 18K Yellow Gold with Diamonds
By VR Jewels
Located in New York, NY
illuminating diamonds making a statement. Square cut emerald and ruby studs with diamonds in 18K gold. Embrace
Category

21st Century and Contemporary American Art Deco Stud Earrings

Materials

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

Certified Cushion Cut Green Emerald and Diamond Halo Ring in 18K Gold
Located in Chicago, IL
This spectacular contemporary ring showcases a nearly natural cushion-cut emerald displaying a rich
Category

Vintage 1980s Unknown Art Deco Cocktail Rings

Materials

Diamond, Emerald, 18k Gold

6.97 carats zambian emerald pentagon cut stone for fine jewelry natural gemstone
Located in Jaipur, RJ
6.97 carats Zambian emerald pentagon cut stone for fine jewelry natural gemstone Gemstone
Category

21st Century and Contemporary Zambian Art Deco Loose Gemstones

Materials

Emerald

Emerald Cut Aquamarine Halo Ring (Approx. 2.70-Carats), Diamond Halo, Platinum
Located in New York, NY
This exquisite geometric gemstone ring showcases a mesmerizing, natural emerald-cut aquamarine
Category

21st Century and Contemporary Unknown Art Deco Cocktail Rings

Materials

Aquamarine, Diamond, Sapphire, Platinum

2.30 Carat Total Oval Cut Green Emerald Drop Earrings in 14K Yellow Gold
By Antinori Fine Jewels
Located in Chicago, IL
saturated green oval-cut emeralds weighing a total of approximately 2.30 carats. Each emerald is set in a
Category

2010s American Art Deco Drop Earrings

Materials

Emerald, Yellow Gold

Handmade Square Cut Emerald and Diamond Half Eternity Band Ring 14k Yellow Gold
By VR Jewels
Located in New York, NY
Handcrafted in 14k yellow gold, this Handmade Square Cut Emerald and Diamond Half Eternity Band
Category

21st Century and Contemporary American Art Deco Band Rings

Materials

Diamond, Emerald, Gold, 14k Gold, Yellow Gold

13.61 Carats Peach Pink Tourmaline Emerald Cut for Fine Jewelry Ring Gemstone
Located in Jaipur, RJ
This gemstone features a Pastel pink hue that is sure to make a statement. The octagon cut of the
Category

2010s Art Deco Loose Gemstones

Materials

Tourmaline

GIA Certified D Color SI1 0.90 Carat Emerald Cut Diamond Three Stone Engagement
Located in Los Angeles, CA
Dekara Designs Collection Metal- 90% Platinum, 10% Iridium. Stones- GIA Certified Emerald Cut
Category

21st Century and Contemporary American Art Deco Engagement Rings

Materials

Diamond, Emerald, Platinum

14.66 Carats Peach Pink Tourmaline Emerald Cut for Fine Jewelry Ring Gemstone
Located in Jaipur, RJ
cut of the gemstone adds a touch of elegance and sophistication, making it ideal for those looking for
Category

2010s Art Deco Loose Gemstones

Materials

Tourmaline

18K White Gold GIA Certified Emerald Cut Diamond Three Stone Engagement Ring
Located in Los Angeles, CA
Cut Diamond E Color SI2 Clarity 2.00 Carats, Two GIA Certified Emerald Cut Diamonds, E Color SI1
Category

2010s American Art Deco Engagement Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

1.90ct Natural Oval-Cut Emerald Diamond Halo Half-Eternity Engagement Ring
Located in Jaipur, RJ
approx. 1.90ct natural oval-cut emerald, admired for its rich green hue and classic allure. The
Category

2010s Indian Art Deco Engagement Rings

Materials

Diamond, Emerald, Gold, 18k Gold, White Gold

Emerald Cut Aquamarine Halo Ring (Approx. 1.50-Carats) Diamond Halo, Platinum
Located in New York, NY
This exquisite aquamarine engagement ring showcases a mesmerizing approx 1.50-carat emerald-cut
Category

21st Century and Contemporary Unknown Art Deco Engagement Rings

Materials

Aquamarine, Diamond, Platinum

Emerald Cut Aquamarine Halo Ring (Approx. 3.10-Carats) Double Halo, Platinum
Located in New York, NY
Stone: Diamond, Aquamarine, Sapphire Stone Cut: Emerald Cut Style: Art Deco Total Weight: 6.71 Grams
Category

21st Century and Contemporary Unknown Art Deco Cocktail Rings

Materials

Aquamarine, Diamond, Sapphire, Platinum

Carved Coral Tanzanite Art Deco Style White Gold Necklace
By Unbranded
Located in Oakton, VA
This utterly fabulous Art Deco inspired design necklace is a unique treasure to add to your
Category

21st Century and Contemporary Art Deco Pendant Necklaces

Materials

Coral, Diamond, Emerald, Onyx, Tanzanite, 18k Gold, White Gold

Three Stone Octagon Shape Emerald Cut Blue Aquamarine Diamond Platinum Halo Ring
By Unbranded
Located in Oakton, VA
brilliance. The three emerald-cut Aquamarines are flush set within castle set diamond halos. The silky
Category

21st Century and Contemporary Art Deco Wedding Rings

Materials

Aquamarine, Diamond, Platinum

0.50 Carat Marquise Cut Emerald Diamond Accents 14K Yellow Gold Necklace
Located in New York, NY
Necklace. This Necklace is made up of 8x4 mm Marquise-Cut Prong setting Emerald (1 Pcs) 0.50 Carat and
Category

20th Century Chinese Art Deco Drop Necklaces

Materials

Diamond, Emerald, 14k Gold, Yellow Gold

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Art Deco Emerald Cut For Sale on 1stDibs

Find the exact art deco emerald cut you’re shopping for in the variety available on 1stDibs. Frequently made of Gold, Platinum and 18k Gold, this item was constructed with great care. Find an antique version now, or shop for 563 vintage or 326 modern creation for a more contemporary example of these cherished accessories. Finding the perfect art deco emerald cut may mean sifting through those created during different time periods — you can find an early version that dates to the 19th Century and a newer variation that were made as recently as the 21st Century. As it relates to this specific piece, our collection includes designs that are universally popular, but .5 Carat and 1 Carat carat weights, specifically, are sought with frequency. There have been many well-made iterations of the classic art deco emerald cut over the years, but those made by Luigi Ferrara, Tutti Frutti Jewellery and Single Stone are often thought to be among the most beautiful. An art deco emerald cut of any era or style can lend versatility to your look, but a version featuring Diamond, from our inventory of 594, is particularly popular. An emerald cut version of this piece has appeal, but there are also mixed cut and brilliant cut versions for sale. There aren’t many items for men if you’re seeking an art deco emerald cut, as most of the options available are for women and unisex.

How Much is a Art Deco Emerald Cut?

The price for an art deco emerald cut starts at $227 and tops out at $650,000 with these rings, on average, selling for $8,998.

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 rings, vintage engagement rings or Art Deco engagement rings. 

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