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French 1930s Art Deco Aquamarine Diamonds 18 Karat White Gold Ring
Located in Poitiers, FR
closed setting of an emerald-cut aquamarine in a surround of rose-cut diamonds. The basket is openwork
Category

Vintage 1930s French Art Deco Engagement Rings

Materials

Aquamarine, Diamond, White Diamond, Gold, 18k Gold, White Gold

Emerald Ruby Diamond Art Deco Style Dinner Ring in 18K Yellow Gold
Located in Bangkok, TH
setting, with an oval shaped emerald of approx. 1.05 carats, surrounded by French Cut rubies and diamonds
Category

21st Century and Contemporary Thai Art Deco Cocktail Rings

Materials

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

1925s Art Deco 3.14 Carat Emerald Diamonds 18 Karat Yellow Gold Oval Ring
Located in Poitiers, FR
green in a surrounding of rose- cut diamonds, set on platinum. Weight of the emerald : 3,14 carats
Category

Vintage 1920s French Art Deco Engagement Rings

Materials

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

ART DECO 1930 Cocktail Ring In Platinum With 2.67 Ctw Diamonds Emeralds Onyx
Located in Miami, FL
finished with the iconic art-deco millegrain patterns. Diamond: Mount in the center in a millegrain bezel
Category

Vintage 1930s American Art Deco Cocktail Rings

Materials

Diamond, Emerald, Onyx, White Diamond, Platinum

Diamond Cluster Emerald Art Deco Style Floral Drop Earrings in 18K White Gold
Located in Bangkok, TH
These captivating Art Deco-style floral earrings feature a stunning blend of vibrant emeralds and
Category

21st Century and Contemporary Unknown Art Deco Drop Earrings

Materials

Diamond, Emerald, 18k Gold, White Gold

Art Deco GIA 2.27 Carat Colombian Emerald and Diamond 18k White Gold Halo Ring
Located in Beverly Hills, CA
One Art Deco GIA 2.27 Carat Colombian Emerald and Diamond 18k White Gold Halo Ring.  Featuring one
Category

Vintage 1930s Art Deco Engagement Rings

Materials

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

Art Deco Boucheron Paris 1.50 Carats Ruby Diamond Platinum Unisex Clip Brooch
By Boucheron
Located in Philadelphia, PA
Brooch clip is triangular in form that centers a marquise cut diamond Weighing approximately 0.40
Category

Vintage 1920s Art Deco Brooches

Materials

Diamond, White Diamond, Ruby, Gold, 18k Gold, White Gold, Platinum

Diamond and Emerald Swirl Art Deco Style Dangle Earrings in 18K White Gold
Located in Bangkok, TH
ornamented with smaller diamonds bordered by French cut emeralds. Information Style: Art Deco Metal: 18K
Category

21st Century and Contemporary Thai Art Deco Dangle Earrings

Materials

Diamond, Emerald, 18k Gold, White Gold

3 Carat Old Mine Cut Diamond Emerald Engagement Ring
Located in Santa Barbara, CA
unique emerald halo. The near 3 carat antique diamond has all the personality we love in an old mine cut
Category

2010s Art Deco Engagement Rings

Materials

Diamond, Emerald, Platinum

Antique Art Deco Platinum Old European Diamond and Emerald Engagement Ring
Located in Great Neck, NY
Beautiful Antique Art Deco Platinum Old European Diamond and Emerald Engagement Ring. This
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Art Deco Style Round Brilliant Diamond with Emerald Pendant in 18K White Gold
Located in Bangkok, TH
Sapphire, Emerald, Ruby) is a specialty cut to surround the excellent round brilliant cut center diamond
Category

21st Century and Contemporary Unknown Art Deco Pendant Necklaces

Materials

Diamond, Emerald, 18k Gold, White Gold

1.95 Ct. Black Diamond Emerald Art Deco Inspired Stud Earrings in 14K Gold
Located in Bangkok, TH
Type: Emerald Shape: French Cut Size: 1.4 mm. Number: 16 Weight: 0.30 Carat (approx. in total) These
Category

21st Century and Contemporary Thai Art Deco Stud Earrings

Materials

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

Art Deco 1920 Platinum Art Deco Diamond Bracelet
Located in Scottsdale, AZ
art deco diamond bracelet made in 1920 is waiting to be added to your collection! This intricate piece
Category

Vintage 1910s Art Deco Retro Bracelets

Materials

Diamond, Platinum

GIA Pear Shape Diamond Emerald Sapphire Art Deco Style Earrings in 18K Gold
Located in Bangkok, TH
Extraordinary GIA certified pear shape diamond with emerald and sapphire Art Deco inspired earrings
Category

21st Century and Contemporary Thai Art Deco Drop Earrings

Materials

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

GIA Pear Shape Diamond Emerald Sapphire Art Deco Style Earrings in 18K Gold
Located in Bangkok, TH
Extraordinary GIA certified pear shape diamond with emerald and sapphire Art Deco inspired earrings
Category

21st Century and Contemporary Thai Art Deco Drop Earrings

Materials

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

1.15 Ct. Emerald and Diamond Art Deco Style Floral Halo Ring in 18K Yellow Gold
Located in Bangkok, TH
The Emerald and Diamond Art Deco Style Floral Halo Ring features a beautiful 1.15 carat emerald at
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

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

GIA Diamond and Emerald Art Deco Style Stud Earrings in 18k Yellow Gold
Located in Bangkok, TH
diamonds and French cut emeralds secured in a statement bezel setting. Earrings Information Metal: 18K
Category

21st Century and Contemporary Thai Art Deco Stud Earrings

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

GIA Diamond with Emerald Art Deco Style Engagement Ring in 18k White Gold
Located in Bangkok, TH
French cut emeralds and diamonds. Ring Information Style: Art-deco Metal: 18K White Gold Total weight
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

Art Deco Emerald, Ruby, Sapphire and Pearl Gold Platinum Clip Brooch
Located in London, GB
, 2 Emeralds 1 Rose cut Diamond 4 pearls Hallmarks: French, the Owl and the Mascaron Comments: This
Category

Vintage 1920s French Art Deco Brooches

Materials

Diamond, Emerald, Pearl, Ruby, Sapphire, 18k Gold, Platinum

Emerald Cut Ceylon Sapphire with Emerald and Diamond Ring in 18K White Gold
Located in Bangkok, TH
sapphire at the center with French cut emerald and round diamond in beautiful halo designs. Adorn yourself
Category

21st Century and Contemporary Unknown Art Deco Engagement Rings

Materials

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

1.80 Ct. Emerald Onyx Diamond Art Deco Style Rectangular Shape Ring in 18K Gold
Located in Bangkok, TH
diamonds surrounds the emerald, adding brilliance and contrast. Framed by sleek black onyx in a bold
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

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

Cartier Ring Royal Blue Sapphire Emerald Cut and Diamonds Baguettes
By Cartier
Located in Monte Carlo, MC
royal blue sapphire emerald cut of 20 carats with a certificat SSEF stating that the stone is natural
Category

1990s French Art Deco Solitaire Rings

Materials

Diamond, Blue Sapphire, Platinum

Art Deco Emerald Diamonds Fine Pearl 18 Karat Yellow White Gold Pendant Necklace
Located in Poitiers, FR
emeralds and a fine button pearl. A double-loop motif set with rose-cut diamonds holds a knife also adorned
Category

Vintage 1920s French Art Deco Pendant Necklaces

Materials

Diamond, White Diamond, Emerald, Pearl, Natural Pearl, Gold, 18k Gold, W...

Art Deco 1.30ct Emerald Dia Wedding Engagement Anniversary Platinum Ring Band
Located in New York, NY
Antique Art Deco 1.30ct Emerald & Diamond Wedding Engagement Anniversary Platinum Ring Band. Gift
Category

Vintage 1930s Art Deco Wedding Rings

Materials

Diamond, Emerald, Platinum

1 Ct. Diamond Emerald and Sapphire Art Deco Style Ring in 18 White Gold
Located in Bangkok, TH
Featuring a central 1 carat emerald-cut diamond that sparkles with exceptional clarity and
Category

21st Century and Contemporary Thai Art Deco Cocktail Rings

Materials

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

1.02 Ct. Emerald Diamond Art Deco Style Engagement Ring in 18K White Gold
Located in Bangkok, TH
An impressive antique Art Deco inspired 1.45 carat oval blue sapphire with diamond accent. The ring
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

1.01 Ct. Diamond Emerald Sapphire Art Deco Style Ring in 18K White Gold
Located in Bangkok, TH
precise Asscher cut diamond weighing approx. 1.01 carats, surrounded by French cut emeralds and blue
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

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

GIA Diamond Emerald Onyx Art Deco Style Cocktail Ring in 18K White Gold
Located in Bangkok, TH
diamond is Y-Z color, IF clarity. Accented by 20 French cut emeralds, 38 French cut onyxes, and 18 round
Category

21st Century and Contemporary Thai Art Deco Cocktail Rings

Materials

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

GIA Cert Emerald Cut Diamond Sapphire Engagement Ring
Located in Beverly Hills, CA
The diamond is 1.47 carats and is an outstanding model of an emerald cut. The diamond is
Category

Vintage 1930s French Art Deco Engagement Rings

Materials

Diamond, Sapphire, 18k Gold, Platinum

Ceylon Sapphire Emerald and Diamond Art Deco Style Engagement Ring in 18K Gold
Located in Bangkok, TH
Celebrate timeless elegance with this Ceylon Sapphire, Emerald, and Diamond Art Deco Style
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

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

Ethiopian Opal Emerald Diamond Art Deco Style Cushion Shape Ring in 14K Gold
Located in Bangkok, TH
French cut emerald and round diamond. Ring Information Style: Art-deco Metal: 14K White Gold Weight
Category

21st Century and Contemporary Thai Art Deco Cluster Rings

Materials

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

Australian Opal Emerald Diamond Art Deco Style Cushion Shape Ring in White Gold
Located in Bangkok, TH
French cut emerald and round diamond. Ring Information Style: Art-deco Metal: 14K White Gold Total
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

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

4.25 Ct. Ruby Emerald Sapphire Diamond Art Deco Style Peacock Brooch in 18K Gold
Located in Bangkok, TH
: 4.25 Carat (approx.) Accent Gemstones I Type: Emerald Shape: French Cut Number: 12 Weight: 0.23 Carat
Category

21st Century and Contemporary Thai Art Deco Brooches

Materials

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

0.75 Ct. Diamond Sapphire Emerald Art Deco Style Engagement Ring in 18K Gold
Located in Bangkok, TH
, framed by the most delicate milgrain textures. The center diamond is accented by French cut sapphires and
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

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

Carved Coral Diamond and Emerald Art Deco Style Necklace in 14K White Gold
Located in Bangkok, TH
A stunning design Art Deco style coral and diamond pendant necklace. Featuring a magnificent approx
Category

21st Century and Contemporary Thai Art Deco Pendant Necklaces

Materials

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

Carved Coral Diamond and Emerald Art Deco Style Necklace in 14K White Gold
Located in Bangkok, TH
A stunning design Art Deco style coral and diamond pendant necklace. Featuring a magnificent approx
Category

21st Century and Contemporary Thai Art Deco Pendant Necklaces

Materials

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

French Art Deco Style 10 Carat Amethyst Diamond Gold Ring
By Baume
Located in Poitiers, FR
emerald- cut amethyst and featuring 3 brilliant- cut diamonds set on each side in 3 gold bands that form
Category

2010s French Art Deco Cocktail Rings

Materials

Amethyst, Diamond, White Diamond, 18k Gold, Gold, White Gold

1.25 Ct. Emerald and Diamond Art Deco Style Engagement Ring in 18K White Gold
Located in Bangkok, TH
: Emerald Shape: French Cut Number: 12 Weight: 0.70 Carat (approx. total weight) This ring is ready to
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

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

Antique Art Deco Platinum Emerald Diamond Sapphire Filigree Dinner Platter Ring
Located in Montclair, NJ
--Stone(s):-- (1) Natural Genuine Diamond - Chunky Emerald Step Cut - Prong Set - J Color - SI2
Category

Vintage 1920s Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Australian Opal Emerald Diamond Art Deco Style Halo Ring in 14K Yellow Gold
Located in Bangkok, TH
four with French cut emeralds. The milgrain adds to the vintage style. Ring Information Style: Art
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

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

GIA 2.25 Ct. Diamond and Emerald Art Deco Style Drop Earrings in 18K Gold
Located in Bangkok, TH
. Featuring total 2.25 carats weight of pear shape yellow diamonds surrounded by French cut emeralds. Create
Category

21st Century and Contemporary Thai Art Deco Drop Earrings

Materials

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

Mellerio dits Meller, Art Deco 18 Karat Gold Brooch with Emeralds and Diamond
By Mellerio dits Meller
Located in Braintree, GB
Art deco 18kt gold brooch with emeralds and diamond. Made in France Circa 1920's Designer
Category

Vintage 1920s French Brooches

Materials

Diamond, Emerald, 18k Gold

Emerald Ruby and Diamond Art Deco Style Engagement Ring in 18K Yellow Gold
Located in Bangkok, TH
The Emerald, Ruby, and Diamond Art Deco Style Engagement Ring features a captivating emerald at the
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

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

French Retro 1960s Emerald Diamond White Gold Cluster Ring
Located in Poitiers, FR
openwork decoration composed of 8 brilliant cut diamonds which surround a splendid emerald set with 8 claws
Category

Vintage 1960s French Art Deco Cocktail Rings

Materials

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

Old European Cut 1.98 Carat Diamond Emerald Platinum Engagement Ring
Located in Beverly Hills, CA
The calibrated French cut emeralds beautifully showcase the 1.98 carat old European cut diamond
Category

21st Century and Contemporary American Art Deco Engagement Rings

Materials

Diamond, Emerald, Platinum

2 Carat Emerald and Diamond Art Deco Style Engagement Ring in 18K Yellow Gold
Located in Bangkok, TH
This Art Deco-style Engagement ring in 18K yellow gold features a 2 carat oval emerald framed by
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

Diamond, Emerald, Yellow Gold, 18k Gold

Art Deco Style Oval Emerald with Diamond and Cocktail Ring in 18K White Gold
Located in Bangkok, TH
accented by French cut emerald and diamond. Handcrafted in 18k white gold. The perfect accessory for the
Category

21st Century and Contemporary Unknown Art Deco Cocktail Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

1.1 Ct. Oval Emerald Diamond Art Deco Style Floral Ring in 18K Yellow Gold
Located in Bangkok, TH
radiating elegance. Surrounding the central stone is a delicate outer halo of French cut emeralds. The
Category

21st Century and Contemporary Thai Art Deco Cluster Rings

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

8.26 Ct. Ethiopian Opal Emerald Diamond Art Deco Style Brooch in 18K White Gold
Located in Bangkok, TH
vivid flashes of orange, green, and blue. Around the opal are crescents set with French cut Emerald and
Category

21st Century and Contemporary Thai Art Deco Brooches

Materials

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

Colombia Emerald of 4.73 Carat, Baguette-Cut Diamonds for 0.12 Carat Wedding
Located in SAINT-OUEN-SUR-SEINE, FR
Columbia Emerald of 4.73 carat surrounded by baguette-cut diamonds for 0.12 carat this ring in 18
Category

1990s French Art Deco Engagement Rings

Materials

Diamond, Emerald, 18k Gold

Black Opal Emerald Sapphire Diamond Art Deco Style Necklace in 18K White Gold
Located in Bangkok, TH
is decorated with total of 1.47 carat diamonds and French cut emerald. This impressive pendant
Category

21st Century and Contemporary Thai Art Deco Pendant Necklaces

Materials

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

Coral Emerald Ruby and Diamond Art Deco Style Bird Brooch in 18K White Gold
Located in Bangkok, TH
Art Deco-style bird brooch featuring a diamond-studded bird perched on a coral cloud. Emeralds form
Category

21st Century and Contemporary Thai Art Deco Brooches

Materials

Diamond, Coral, Ruby, Emerald, White Gold, 18k Gold

Art Deco Sapphire and Diamond Ring
Located in New York, NY
An Art Deco sapphire and diamond ring of stylized geometric design with a central emerald-cut
Category

Early 20th Century French Art Deco Cocktail Rings

Materials

Sapphire, Diamond, Platinum

1.15 Ct. Emerald and Diamond Art Deco Style Floral Halo Ring in 18K Yellow Gold
Located in Bangkok, TH
The Emerald and Diamond Art Deco Style Floral Halo Ring features a beautiful 1.15 carat emerald at
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

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

French Art Deco Gold Ring with Antique Gemset Scarab
Located in New York, NY
An Art Deco gemset scarab ring with emeralds, sapphires and rose-cut diamonds, decorated with
Category

Early 20th Century French Art Deco Fashion Rings

Materials

Diamond, Emerald, Sapphire, 18k Gold, Silver

Oval Ceylon Sapphire with Emerald Diamond Art Deco Style Halo Ring in White Gold
Located in Bangkok, TH
Centering an oval cut Ceylon Sapphire, accented by French cut Emeralds, enhanced by round cut
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

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

Modern Old European Cut Diamond Emerald Sapphire Platinum Engagement Ring
Located in Beverly Hills, CA
A swirl of emeralds and sapphires surround the 0.91 old European cut diamond. The diamond is I
Category

21st Century and Contemporary American Art Deco Engagement Rings

Materials

Diamond, Sapphire, Emerald, Platinum

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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.