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Certified Colombia Emerald Diamond 18 Karat White Gold Bracelet
Located in Bangkok, TH
Diamond on the shoulder. Interrupted with French Cut Emerald 4 pieces 0.45 carat and small French Cut
Category

Late 20th Century Thai Art Deco More Bracelets

Materials

Diamond, Emerald, 18k Gold, White Gold

Illusion Set Diamond and Blue Sapphire Art Deco Style Ring in 18K White Gold
Located in Bangkok, TH
setting to form an emerald cut diamond shape. There are 0.75 carats of French cut natural blue sapphires
Category

21st Century and Contemporary Thai Art Deco Cocktail Rings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

0.49 Ct. Diamond Blue Sapphire Art Deco Style Engagement Ring in 18K White Gold
Located in Bangkok, TH
This outstanding diamond and sapphire ring features a central of 0.49 carat (approx.) emerald cut
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

Cartier 1930 Art Deco Enameled Clip In 18Kt Gold Platinum With Gems And Diamonds
By Cartier
Located in Miami, FL
sapphires, rubies and emeralds) carved using Indian techniques and set in French platinum and diamond
Category

Vintage 1930s French Art Deco Brooches

Materials

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

Art Deco Style Diamond and Sapphire Marquise Shaped Pendant in 14K
Located in Bangkok, TH
A pair of Art Deco style emerald and diamond pendant, set with French cut sapphires and round cut
Category

21st Century and Contemporary Thai Art Deco Pendant Necklaces

Materials

Diamond, Sapphire, 14k Gold, White Gold

Blue Sapphire Onyx Diamond Art Deco Style Men Band Ring in 18K White Gold
Located in Bangkok, TH
This stunning Art Deco style ring features an emerald cut blue sapphire weighing 4.70 carat (approx
Category

21st Century and Contemporary Thai Art Deco Band Rings

Materials

Diamond, Onyx, Blue Sapphire, 18k Gold, White Gold

4.35 Carat Diamond Sapphire Emerald Ballerina Ring EGL Certified
Located in Santa Barbara, CA
A dynamic Art Deco style diamond, sapphire and emerald ballerina ring. This dramatic cocktail ring
Category

2010s Art Deco Cocktail Rings

Materials

Diamond, Emerald, Sapphire, 18k Gold, Platinum

Vintage Tutti Frutti Diamond, Sapphire, Ruby, Emerald Platinum Cocktail Watch
Located in London, GB
An Art Deco tutti fruiti diamond, sapphire, ruby emerald and platinum cocktail covered watch, set
Category

Vintage 1930s Art Deco Wrist Watches

Materials

Diamond, Emerald, Ruby, Sapphire, Platinum

Emerald Black Enamel Diamond 14 Karat White Gold Earrings
Located in Bangkok, TH
Emerald Black Enamel Diamond Drop Earrings This design of Drop Earrings was made in 14K White Gold
Category

Late 20th Century Thai Art Deco Drop Earrings

Materials

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

London Blue Topaz Tsavorite Diamond Art Deco Style Engagement Ring in 18K Gold
Located in Bangkok, TH
A striking emerald cut London Blue Topaz at the center, beautifully framed by tsavorites and
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

Diamond, Topaz, Tsavorite, Blue Topaz, Yellow Gold, 18k Gold, White Gold

Ceylon Sapphire Emerald Onyx Diamond Cocktail Ring
Located in Bangkok, TH
. Outlined with French-Cut Emerald 24 pieces 1.20 Carat and Single Cut Diamond 6 pieces 0.06 Carat on the
Category

Late 20th Century Thai Art Deco Cocktail Rings

Materials

Diamond, Emerald, Onyx, Sapphire, 18k Gold, White Gold

Blue Topaz and Sapphire Diamond Art Deco Style Drop Earrings in 14K White Gold
Located in Bangkok, TH
French cut blue sapphire and round diamonds finished into 14k white gold. Earrings Information Metal
Category

21st Century and Contemporary Thai Art Deco Dangle Earrings

Materials

Diamond, Sapphire, Topaz, Blue Topaz, 14k Gold, White Gold

Certified 1.34 Carat Natural Emerald Diamond Cocktail Ring
Located in Bangkok, TH
French Cut Emerald 24 pcs. 2 Carat and 36 pcs. 0.33 Carat Round Cut Diamond. This Ring was made in 18k
Category

Late 20th Century Thai Art Deco Cocktail Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

Colombia Emerald 5.89 Carat and Diamond Cocktail Ring
Located in Bangkok, TH
Emerald from Colombia 5.89 Carat in the center hi-lighted by 24 pcs. 2.5 Carat French Cut Emerald
Category

Late 20th Century Thai Art Deco Cocktail Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

7.7 Ct. London Blue Topaz Ruby Diamond Art Deco Style Engagement Ring in 9K Gold
Located in Bangkok, TH
This exceptional chic ring features an emerald cut London blue topaz weighing approximately 7.70
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

Diamond, Ruby, Topaz, Blue Topaz, 9k Gold

Opal with London Blue Topaz and Diamond Art Deco Style Ring in 14K White Gold
Located in Bangkok, TH
This Art Deco style opal ring features a 2.38 emerald cut authentic opal with baguette cut London
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

Diamond, Opal, Blue Topaz, 14k Gold, White Gold

Illusion Setting Diamond Emerald Sapphire Engagement Ring in 18k White Gold
Located in Bangkok, TH
(approx. total weight) Accent Gemstones Type: Emerald Shape: French Cut Number: 4 Weight: 0.22 Carat
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

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

Art Deco Diamond Engagement Ring Old European .25ct 18K Belais Original 1920s
By Belais Brothers
Located in Dearborn, MI
Genuine Original Antique from 1920's Art Deco .60ct Diamond French Cut Emerald Engagement Ring 18K
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Art Deco 18 Karat Gold 1.00 Carat Tourmaline 0.57 Carat Diamond Square Ring
Located in Vilnius, Vilniaus apskr.
Art Deco, Art Nouveau, Edwardian, Georgian, Victorian styles, from engagement rings to rose-cut
Category

Early 20th Century French Art Deco Cluster Rings

Materials

Diamond, Tourmaline, 18k Gold, White Gold, Platinum

GIA Certified 0.90 Carat Diamond Emerald Amethyst Platinum Cocktail Ring
Located in Bangkok, TH
Diamond. The Color Stones are mixed with French Cut Amethyst 10 pieces 1.05 Carat and French Cut Emerald
Category

Late 20th Century Thai Art Deco Cocktail Rings

Materials

Amethyst, Diamond, Emerald, Platinum

Marquise Diamond Emerald Platinum Engagement Ring
Located in Beverly Hills, CA
The well cut marquise diamond weighs 0.94 carats, approximately H color and VS clarity. The French
Category

21st Century and Contemporary Unknown Modern Engagement Rings

Materials

Diamond, Emerald, Platinum

Vintage KTF Art Deco Emerald White Paste Cocktail Bracelet 1935
By Trifari
Located in Wilmslow, GB
emulates an Art Deco emerald and diamond plaque and link bracelet. The epitome of style during the Art Deco
Category

20th Century More Bracelets

Certified Diamond 1.15 Carat Emerald Blue Sapphire Platinum Cocktail Ring
Located in Bangkok, TH
pieces 0.09 Carat and 12 pieces French-Cut Emerald 0.25 Carat. Surrounded by French-Cut Blue Sapphire 24
Category

Late 20th Century Thai Art Deco Cocktail Rings

Materials

Diamond, Emerald, Blue Sapphire, Platinum

Diamond and Emerald Octagonal Shape Ring in 18k White Gold
Located in Bangkok, TH
An 18k white gold Art-Deco design diamond and emerald target ring, center diamond with an outer
Category

21st Century and Contemporary Asian Art Deco Engagement Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

Carved Jade with Emerald Onyx Diamond Dangle Earrings in 14k White Gold
Located in Bangkok, TH
earrings is cabochon emeralds, onyx, and small white diamonds. It is greatly possessed by beautifully
Category

21st Century and Contemporary Thai Art Deco Dangle Earrings

Materials

Diamond, Emerald, Jade, Onyx, 14k Gold, White Gold

Vase Carved Jade Emerald Pearl Diamond Dangle Earrings in 9K Yellow Gold
Located in Bangkok, TH
, diamond, and emerald geometric link on the top. The earrings transfer their good energy and connect them
Category

21st Century and Contemporary Thai Art Deco Dangle Earrings

Materials

Diamond, Emerald, Jade, Pearl, 9k Gold, Yellow Gold

Carved Jade Pearl Emerald Diamond Vintage Style Dangle Earrings in 9K Gold
Located in Bangkok, TH
: 0.08 Carat (approx. in total) Accent Gemstones III Type: Diamond Shape: Round Cut Average Color: H-I
Category

21st Century and Contemporary Thai Art Deco Dangle Earrings

Materials

Diamond, Emerald, Jade, Pearl, 9k Gold, Yellow Gold

Colombian emerald and diamond ring, French, circa 1930.
Located in London, GB
Art Deco Colombian emerald and diamond ring. Set to centre with an oval old cut natural Colombian
Category

Vintage 1910s Three-Stone Rings

Materials

Platinum, Yellow Gold

Vintage Chaumet Gold Earrings Emerald Diamond Estate Jewelry
By Chaumet
Located in Beverly Hills, CA
cut diamonds and cabochon emeralds. The diamonds are of G color, VVS2clarity, total weight
Category

Vintage 1970s French Clip-on Earrings

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

GIA Certified 1.02 Carat Diamond Blue Sapphire Emerald Cocktail Ring
Located in Bangkok, TH
Diamond. The Color Stones are mixed with French Cut Emerald 24 pieces 0.4 Carat and 42 pieces 1.13 Carat
Category

Mid-20th Century Thai Art Deco Cocktail Rings

Materials

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

Emerald Ruby and Diamond Antique Style Lizard Brooch in 14K Yellow Gold
Located in Bangkok, TH
striking. Brooch Information Style: Art Deco Metal: 14K Yellow Gold Width: 40 mm. Length: 50 mm. Weight
Category

21st Century and Contemporary Thai Art Deco Brooches

Materials

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

2.76 Ct. Aquamarine Emerald Sapphire Diamond Cocktail Ring in 18K White Gold
Located in Bangkok, TH
halo of rich French-cut sapphires, creating a striking target motif. Four vivid emeralds accent each
Category

21st Century and Contemporary Thai Art Deco Cocktail Rings

Materials

Diamond, Emerald, Sapphire, Aquamarine, 18k Gold, White Gold

Emerald Diamond Saphhire Onyx Frog Salamander 18 Colored Gold Druzy Unique Ring
By Intini Jewels
Located in Milano, IT
surrounded on each side by a mistic emeralds frog (2 carats / 95 emeralds) and a diamond salamander (0.96
Category

21st Century and Contemporary Italian Art Deco Fashion Rings

Materials

Diamond, Emerald, Onyx, Ruby, Pink Sapphire, Gold, 18k Gold

4.45 Ct. Ethiopian Opal Emerald Sapphire Diamond Cocktail Ring 18K White Gold
Located in Bangkok, TH
: French Cut Number: 6 Weight: 0.50 Carat (approx. total weight) Accent Gemstones Type: Diamond Shape
Category

21st Century and Contemporary Thai Art Deco Cocktail Rings

Materials

Diamond, Emerald, Opal, Sapphire, 18k Gold, White Gold

Certified 1.35 Carat Diamond Emerald 18 Karat White Gold Engagement Ring
Located in Bangkok, TH
HKD Certified 1.35 Carat Old European Cut Diamond in the center with French-Cut Emerald 20 pieces
Category

Late 20th Century Thai Art Deco Cocktail Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

GIA Certified 1.22 Carat Natural Fancy Yellow Diamond Emerald Drop Earring
Located in Bangkok, TH
French Cut Emerald 58 pieces 4.60 Carat and Sparkling with Round Cut Diamond 52 pieces 0.50 Carat.
Category

Late 20th Century Thai Art Deco Drop Earrings

Materials

Diamond, Emerald, 18k Gold, White Gold

French Diamond Platinum Brooch / Double Clips
Located in Beverly Hills, CA
Elegant and chic Art Deco diamond & platinum brooch transforming into a pair of double clips
Category

Early 20th Century French Art Deco Brooches

Amethyst with Emerald and Diamond Cluster Ring in 9K Yellow Gold
Located in Bangkok, TH
consists of one central oval shaped amethyst surrounded by French cut emeralds and round cut diamonds. A
Category

21st Century and Contemporary Thai Art Deco Cluster Rings

Materials

Amethyst, Diamond, Emerald, 9k Gold, Yellow Gold

Art Deco 1925 Pair of Dress Clips in Platinum with 11.54 Ctw Diamonds and Rubies
Located in Miami, FL
Exceptional pair of art deco dress clips. Stunning pair of dress clips brooches, created during
Category

Vintage 1920s American Art Deco Brooches

Materials

Diamond, White Diamond, Ruby, Platinum

5.50 Carat Diamond and Sapphire Modern "Toi et Moi" Art Deco Style 18k Gold Ring
Located in Tustin, CA
emerald shaped diamonds with step cut corners on the top and bottom stations. The two center stations are
Category

21st Century and Contemporary American Art Deco Cocktail Rings

Materials

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

Australian Opal Emerald Diamond Three Stone Ring in 14K Yellow Gold
Located in Bangkok, TH
French cut square shaped emeralds – just lovely! Ring Information Style: Art-deco Metal: 14K Yellow Gold
Category

21st Century and Contemporary Thai Art Deco Three-Stone Rings

Materials

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

28.4 Ct. Coral Emerald Diamond Dangle Earrings in 18K Yellow Gold
Located in Bangkok, TH
: 0.10 Carat (approx. in total) Accent Gemstones II Type: Diamond Shape: Round Cut Average Color: H
Category

21st Century and Contemporary Thai Art Deco Dangle Earrings

Materials

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

French Sapphire Diamond Platinum Ring 1920s
Located in Chicago, IL
The ring features an emerald-cut midnight blue 7.59 ct natural sapphire surrounded by 22 Swiss cut
Category

Vintage 1920s French Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Black Opal Emerald Sapphire Diamond Antique Style Choker Necklace in 18K Gold
Located in Bangkok, TH
Carat (approx. in total) Additional Gemstones I Type: Emerald Shape: French Cut Number: 16 Weight: 0.45
Category

21st Century and Contemporary Thai Art Deco Choker Necklaces

Materials

Black Opal, Sapphire, Opal, Emerald, Diamond, White Gold, 18k Gold

Vintage 18 Karat Gold 1.33 Carat Emerald 0.18 Carat Diamond Band Ring
Located in Vilnius, Vilniaus apskr.
: 1.33ct, vstbG 3/6, SI-I1, F. The gems are paired with 4 brilliant cut diamonds: 0.18ct, RW-W, P1
Category

Mid-20th Century French Modern Band Rings

Materials

Diamond, Emerald, 18k Gold

Carved Jade Emerald Diamond Vintage Style Drop Earrings in 9K Yellow Gold
Located in Bangkok, TH
diamonds and emeralds accents. Lovely and stylish. Earrings Information Style: Art Deco Metal: 9K Yellow
Category

21st Century and Contemporary Thai Art Deco Drop Earrings

Materials

Diamond, Emerald, Jade, 9k Gold, Yellow Gold

Carved Tanzanite Diamond Sapphire Emerald Pearl Tassel Necklace in 18k Gold
Located in Bangkok, TH
. Tassel charm is made of diamonds and French cut sapphires, beautifully hanging from cushion-cut
Category

21st Century and Contemporary Thai Art Deco Link Necklaces

Materials

Diamond, Emerald, Pearl, Sapphire, Tanzanite, 18k Gold, White Gold

Certified 4.47 Ct. Ceylon Sapphire Emerald Diamond Ring in 18K White Gold
Located in Bangkok, TH
ring shoulders are accented with French cut emeralds and H color SI clarity diamonds. The gemstones are
Category

21st Century and Contemporary Thai Art Deco Solitaire Rings

Materials

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

Certified 4.47 Ct. Ceylon Sapphire Emerald Diamond Ring in 18K White Gold
Located in Bangkok, TH
ring shoulders are accented with French cut emeralds and H color SI clarity diamonds. The gemstones are
Category

21st Century and Contemporary Thai Art Deco Solitaire Rings

Materials

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

Oval Emerald with Diamond Onyx Rectangular Shape Ring in 18k White Gold
Located in Bangkok, TH
An impressive antique Art Deco inspired 1.87carat oval emerald with diamond and onyx accent. The
Category

21st Century and Contemporary Thai Art Deco Cocktail Rings

Materials

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

Carved Jade Emerald Diamond Vintage Style Drop Earrings in 9K White Gold
Located in Bangkok, TH
are diamonds and emeralds accents. Lovely and stylish. Earrings Information Style: Vintage Metal: 9K
Category

21st Century and Contemporary Thai Art Deco Drop Earrings

Materials

Diamond, Emerald, Jade, 9k Gold, White Gold

Sophia D. Three Stone Ring with Emerald Center and Diamond Side Stones
By Sophia D
Located in New York, NY
A Sophia D art deco style three-stone ring featuring emerald cut diamonds and emerald cut emerald
Category

2010s Three-Stone Rings

Materials

Diamond, Emerald

Opal Grape with Diamond Emerald Vintage Style Drop Earrings in 18K White Gold
Located in Bangkok, TH
: Oval Weight: 24.77 Carat (approx. total weight) Accent Gemstones Type: Emerald Shape: French Cut Size
Category

21st Century and Contemporary Thai Art Deco Drop Earrings

Materials

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

Carved Coral Emerald Sapphire Diamond Antique Style Brooch in 14K White Gold
Located in Bangkok, TH
The Black Opal, Sapphire, and Diamond Art Deco Style Bee Brooch features a mesmerizing black opal
Category

21st Century and Contemporary Thai Art Deco Brooches

Materials

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

GIA 6.54ct Colombian Green Emerald Diamond Anniversary Engagement Platinum Ring
Located in New York, NY
Five Stone GIA 6.54ct Columbian Emerald Cut Green Emerald & Diamonds Engagement Anniversary Ring
Category

Early 2000s Engagement Rings

Materials

Diamond, Emerald, Platinum

Vintage 18 Karat Gold 1.50 Carat Emerald 0.14 Carat Diamond Three Stone Ring
Located in Vilnius, Vilniaus apskr.
This is an amazing vintage Art Deco style three stone ring crafted in 18K yellow and white gold
Category

Late 20th Century French Modern Three-Stone Rings

Materials

Diamond, Emerald, Gold, 18k Gold

Opal with Emerald and Diamond Antique Style Cocktail Ring in 14k White Gold
Located in Bangkok, TH
This Art Deco style opal ring features a stunning 3.75 oval shaped cabochon opal with French cut
Category

21st Century and Contemporary Thai Art Deco Cocktail Rings

Materials

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

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French Art Deco Emerald Cut Diamond For Sale on 1stDibs

You are likely to find exactly the french art deco emerald cut diamond you’re looking for on 1stDibs, as there is a broad range for sale. Frequently made of Platinum, 18k Gold and Gold, this item was constructed with great care. You can easily find a 23 antique edition and 2 modern creations to choose from as well. Finding the perfect french art deco emerald cut diamond may mean sifting through those created during different time periods — you can find an early version that dates to the 20th Century and a newer variation that were made as recently as the 21st Century. For this particular piece, 2.5 Carat and 3 Carat are consistently popular carat weights. A french art deco emerald cut diamond from Sophia D and Tiffany Co. — each of whom created a beautiful version of this treasured accessory — is worth considering. Today, if you’re looking for an emerald cut version of this piece and are unable to find the perfect match, our selection also includes cushion cut and french cut alternatives. There aren’t many items for men if you’re seeking a french art deco emerald cut diamond, as most of the options available are for women and unisex.

How Much is a French Art Deco Emerald Cut Diamond?

The price for a french art deco emerald cut diamond starts at $3,250 and tops out at $200,000 with these rings, on average, selling for $8,000.

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.