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0.51 Carat Natural Marquise-Cut Diamond and Sapphire Ring Set in Platinum
Located in Tokyo, JP
Carats of Round Brilliant Accent Diamonds and 0.77 Carats of Round-Cut Sapphire Accents set in Platinum
Category

21st Century and Contemporary Japanese Modern Cluster Rings

Materials

Diamond, Sapphire, Platinum

Tiffany Co. 1.78 Carat Sapphire Diamond Ring
By Tiffany Co.
Located in Bethesda, MD
A stunning emerald cut sapphire is contrasted with brilliant trilliant cut diamonds in this lovely
Category

21st Century and Contemporary American Three-Stone Rings

Materials

Blue Sapphire, Diamond, Platinum

Victorian En Tremblant Sapphire Diamond Emerald Ruby Gold Honey Bee Brooche
Located in Stamford, CT
clarity 109, Rose cut Diamonds, approx 2.50ct total, I color, VS-SI clarity 13 Round Emeralds, 2.5 to
Category

Antique 1890s Brooches

Materials

Diamond, Emerald, Ruby, Sapphire, Blue Sapphire, Gold, 14k Gold, Yellow ...

Bochic “Capri” Emerald, Ruby Sapphire Earrings Set in 22k Gold Silver
By Bochic
Located in New York, NY
” collection Natural Red Ruby - 7 carats Pear shape Natural Blue color sapphires, Oval brilliant - 2 carats
Category

21st Century and Contemporary Thai Belle Époque Drop Earrings

Materials

Emerald, Ruby, Sapphire, 22k Gold, Silver

Peter Suchy 2.80 Carat Green Tourmaline Pink Sapphire Diamond Platinum Ring
By Peter Suchy
Located in Stamford, CT
tourmaline, VS approx. 2.80cts 2 emerald cut pink sapphires, VS-SI approx. 1.19cts 10 round brilliant cut
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Sapphire, Pink Sapphire, Tourmaline, Platinum

5.03 Carat Bicolored Tourmaline, 0.04 Carat Pink Sapphire and Diamond Ring
By Alberto
Located in GREAT NECK, NY
this summer! Material: 14K White Gold Center Stone Details: 5.03 Carat Emerald Cut Bicolored
Category

2010s American Contemporary Fashion Rings

Materials

Diamond, Tourmaline, Sapphire, Pink Sapphire, 14k Gold, White Gold

Cabochon Emerald Ruby Sapphire Round Diamond Yellow Gold Clip Post Earrings
Located in Stamford, CT
cabochon Emerald, ruby and Sapphire gemstone. Set in 14k yellow gold, these clip post earrings are also
Category

Mid-20th Century Stud Earrings

Materials

Diamond, Emerald, Ruby, Sapphire, Blue Sapphire, Gold, 14k Gold, Yellow ...

Antique Victorian Sapphire Emerald Diamond Flower Gold Bangle Bracelet
Located in Miami Beach, FL
Victorian flower bracelet featuring a faceted sapphire summoned by old mine cut diamonds with
Category

Antique 19th Century Victorian Bangles

Materials

Diamond, Emerald, Sapphire, Gold, 14k Gold

Sapphire and Emerald Fish Clip Brooch by Jean Schlumberger, Tiffany Co.
By Jean Schlumberger for Tiffany Co.
Located in Boston, MA
This late 20th century pin is comprised of full cut blue Ceylon sapphires, a 5 accenting green
Category

Late 20th Century American Brooches

Materials

Diamond, Ruby, Sapphire, Emerald, Yellow Gold

Emerald Cut Diamond Emerald Halo Stud Earrings in 18k White Gold
Located in Bangkok, TH
Blue Sapphire, Emerald, or Ruby) is a specialty cut to surround the excellent emerald cut center
Category

21st Century and Contemporary Thai Art Deco Stud Earrings

Materials

Diamond, Emerald, 18k Gold, White Gold

Bochic “Capri” Emerald, Ruby Sapphire Earrings Set in 22k Gold Silver
By Bochic
Located in New York, NY
” collection Natural Red Ruby - 7 carats Pear shape Natural Blue color sapphires, Oval brilliant - 2 carats
Category

21st Century and Contemporary Thai Belle Époque Drop Earrings

Materials

Emerald, Ruby, Sapphire, 22k Gold, Gold Plate, Silver

18K White Gold 2.64ctw Ruby, Sapphire, Emerald 0.20ct Diamond Earring
Located in เกาะสมุย, TH
for each ear. The 2 sapphires, 2 rubies and 1 emerald are all set in prong and with immaculate
Category

20th Century Hoop Earrings

Materials

Diamond, Emerald, Ruby, Sapphire, White Gold

5.79 Carat Ceylon Sapphire Diamond Ring in Platinum
Located in Great Neck, NY
Emerald Cut Ceylon Sapphire weighing 5.79 cts Measuring (12.1x9.1) mm 2 trapezoid diamonds weighing
Category

2010s American Modern Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Double Row Emerald, Ruby and Sapphire Eternity Ring in 18K Yellow Gold
Located in Bangkok, TH
Two rows of emerald, ruby, and sapphire in a unique style. This ring is perfect for a woman who
Category

21st Century and Contemporary Thai Band Rings

Materials

Emerald, Ruby, Sapphire, 18k Gold, Yellow Gold

Art Nouveau Yellow Sapphire Emerald Black White Diamond Yellow Gold Tiger Ring
By Luigi Ferrara
Located in Naples, IT
. This Ring has 0.40 Carats of Black Diamonds. This Ring has 0.40 Carats of Marquise Cut Emeralds. This
Category

21st Century and Contemporary Italian Modern Fashion Rings

Materials

Diamond, White Diamond, Black Diamond, Emerald, Sapphire, Yellow Sapphir...

Sapphire and Ruby Emerald and Diamond Yellow Gold Dress Ring
Located in Jesmond, Newcastle Upon Tyne
design is ornamented with a 0.35Ct oval cut sapphire, a 0.17Ct round cut emerald and a 0.23Ct pear cut
Category

Vintage 1980s Unknown Retro Fashion Rings

Materials

Diamond, Emerald, Ruby, Sapphire, Blue Sapphire, Gold, 14k Gold, Yellow ...

6.07 Carat Aquamarine Multi Color Sapphire Diamond White Gold Cocktail Ring
By Roshe Jewels
Located in Los Angeles, CA
3.60 Carat Emerald Cut Aquamarine and is surrounded by 20 Multi-Colored Sapphires that weigh 1.92
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Aquamarine, Diamond, Pink Sapphire, Sapphire, Blue Sapphire, Yellow Sapp...

Sterling Sapphire Ruby Emerald Half-Hoop Earrings 925 Gold Pltd Rnd.56ctw Floral
Located in Greensboro, NC
: Round Color: Pinkish Red Natural Emeralds Treatment: Oiling Carat(s): .16ctw Cut: Round Color: Green
Category

21st Century and Contemporary Hoop Earrings

Materials

Emerald, Ruby, Sapphire, Gold, Gold Plate, Sterling Silver

Egyptian Sapphire, Emerald, Ruby, Diamond Long Drop Earrings 18 Karat
Located in North Hollywood, CA
VS2-SI1 ).85 Carats Sapphires: 30 stones, french Cut 0.55 Carats Emeralds: 30 stones, French cut
Category

2010s Unknown Art Deco Drop Earrings

Materials

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

Natural Emerald Sapphire Ring Size 7 14k White Gold 9.23 TCW Certified
Located in Brooklyn, NY
x 12.54 x 7.09 2 Emerald Cut White Sapphire: Approx. 0.70 CTW (White/Transparent) Total Carat Weight
Category

2010s American Fashion Rings

Materials

Emerald, Sapphire, 14k Gold, White Gold

Bochic “Orient” Vintage Jade, Ruby, Emerald Sapphire Earrings Set In 18k Gold
By Bochic
Located in New York, NY
Natural oval cut cabochons - 3 carats Natural Emeralds - 2 carats Natural blue sapphires - 1 carat
Category

21st Century and Contemporary Thai Baroque Drop Earrings

Materials

Emerald, Jade, Ruby, Sapphire, 18k Gold, Gold Plate, Silver

Bochic “Capri” Star Ruby, Emerald, Sapphire Earrings Set in 22k Gold Silver
By Bochic
Located in New York, NY
earrings Beautiful Natural Red Octagon cut Star Rubies - 37 carats Natural Blue Color Sapphire from Sri
Category

21st Century and Contemporary Asian Belle Époque Drop Earrings

Materials

Emerald, Ruby, Sapphire, Star Ruby, 22k Gold, Gold Plate, Silver

Art Nouveau Style Diamond Emerald Ruby Sapphire Amethyst Cocktail “Flowers” Ring
By Luigi Ferrara
Located in Naples, IT
Brilliant Round Cut Diamonds. This Ring has 0.20 Carats of Rubies. This Ring has 0.08 Carats of Emeralds
Category

21st Century and Contemporary Italian Art Nouveau Cocktail Rings

Materials

Amethyst, Diamond, White Diamond, Emerald, Peridot, Rock Crystal, Ruby, ...

6.26 Carat Natural Fire Opal Sapphire Diamond Yellow Gold Cocktail Ring
By Roshe Jewels
Located in Los Angeles, CA
). There are also 2 Pear Cut Emeralds on the shank that weigh 0.34 Carats. The total carat weight of this
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, Opal, Sapphire, Blue Sapphire, Pink Sapphire, Yellow Sapphire, ...

Yellow Gold Sapphire Ruby Emerald Cluster Halo Ring 10k Round .84ctw Flower Trio
Located in Greensboro, NC
& 10k White Gold Stone Information Natural Sapphires Treatment: Heating Carat(s): .30ctw Cut: Round
Category

21st Century and Contemporary Cocktail Rings

Materials

Emerald, Ruby, Sapphire, 10k Gold, White Gold, Yellow Gold

Georgios Collections 18 Karat Gold Byzantine Ring with Ruby Sapphire Emerald
By Georgios Collections Inc
Located in Astoria, NY
0.30 Carat, 2 Brilliant cut Sapphires total weight of 0.30 and 2 Brilliant cut Natural Emeralds total
Category

2010s Greek Byzantine Band Rings

Materials

Emerald, Ruby, Blue Sapphire, 18k Gold

Georgios Collections 18 Karat Gold Byzantine Ring with Ruby Sapphire Emerald
By Georgios Collections Inc
Located in Astoria, NY
0.30 Carat, 2 Brilliant cut Sapphires total weight of 0.30 and 2 Brilliant cut Natural Emeralds total
Category

2010s Greek Byzantine Band Rings

Materials

Emerald, Ruby, Blue Sapphire, 18k Gold

Ballerina Interchangeable Diamond Ruby Sapphire Emerald Earring Set GIA Cert.
By Be Jolie
Located in New York, NY
Blue Sapphires- Round Brilliant Cut 2.66 Carat Total Weight 2 Natural Rubies- Round Brilliant Cut
Category

2010s American Art Deco Stud Earrings

Materials

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

Authentic French Art Deco Sapphire Old European Cut Diamonds Platinum Ring
Located in Beverly Hills, CA
The emerald cut sapphire in this elegant authentic Art Deco ring from France is set in a double
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Georgios Collections 18 Karat Yellow Gold Emerald Sapphire and Diamond Ring
By Georgios Collections Inc
Located in Astoria, NY
workmanship and a unique velvet background. The ring has a center 0.10 Carat Marquise Sapphire, 2 Emeralds
Category

2010s Greek Byzantine Band Rings

Materials

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

Vintage 14 Karat Gold 0.85 Carat Yellow Sapphire 0.35 Carat Diamond Cluster Ring
Located in Vilnius, Vilniaus apskr.
. The piece features: - 1 sapphire (emerald cut, 0.85ct, Y 3/3, SI) - 14 diamonds (round brilliant cut
Category

20th Century Modern Cluster Rings

Materials

Diamond, Sapphire, Yellow Sapphire, Gold, 14k Gold

Flamingo Pin featuring Ruby, Sapphire, Emerald in 18 Karat Yellow Gold
Located in Hicksville, NY
Sapphire: 0.10 carats Emerald: 0.10 carats Diamond Details: Cut: Round Carat: 0.08 carats Color: G-H
Category

Vintage 1970s Unknown Contemporary Brooches

Materials

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

Georgios Collections 18 Karat Yellow Gold Band Ring with Ruby Sapphire Emerald
By Georgios Collections Inc
Located in Astoria, NY
and features 2 Brilliant cut Rubies total weight of 0.30 Carat, 2 Brilliant cut Sapphires total weight
Category

2010s Greek Byzantine Band Rings

Materials

Emerald, Ruby, Blue Sapphire, Sapphire, 18k Gold, Yellow Gold, Gold

Georgios Collections 18 Karat Yellow Gold Ruby Emerald Sapphire Diamond Ring
By Georgios Collections Inc
Located in Astoria, NY
Ruby, 2 Marquize Cut Rubies, 10 Brilliant Cut Sapphires, and 9 Brilliant Cut Emeralds, all in a total
Category

21st Century and Contemporary Greek Byzantine Cocktail Rings

Materials

Diamond, White Diamond, Emerald, Multi-gemstone, Ruby, Sapphire, Blue Sa...

Georgios Collections 18 Karat Yellow Gold Band Ring with Ruby Sapphire Emerald
By Georgios Collections Inc
Located in Astoria, NY
0.30 Carat, 2 Brilliant cut Sapphires total weight of 0.30 and 2 Brilliant cut Natural Emeralds total
Category

21st Century and Contemporary Greek Byzantine Band Rings

Materials

Emerald, Ruby, Blue Sapphire, Sapphire, 18k Gold, Gold, Yellow Gold

Vintage Elephant Diamond Peal Sapphire Ruby Emerald 18k Gold Brooch Pin
Located in Miami, FL
) pear cut, prong set jade  & (2) Square cut bezel set, Genuine Sapphire, add a touch of color to this
Category

Vintage 1980s American Necklace Enhancers

Materials

Diamond, Emerald, Ruby, Sapphire, 18k Gold

Natural 2.40 Carat Sapphire Diamond Band 14 Karat A+ Classic Channel Deco
Located in New York, NY
emerald cuts .90ct. round diamonds (please see the pictures of gorgeous craftsmanship) Vs-2 Clarity
Category

2010s American Band Rings

Materials

Diamond, Blue Sapphire, 14k Gold, Yellow Gold

Georgios Collections 18 Karat Gold Ruby Emerald Sapphire Diamond Wide Bracelet
By Georgios Collections Inc
Located in Astoria, NY
Sapphires, and Marquize Cut Emeralds all total weight of 19.59 Carat. The bracelet has a triple safety clasp
Category

2010s Greek Byzantine Link Bracelets

Materials

Diamond, White Diamond, Emerald, Multi-gemstone, Ruby, Sapphire, Blue Sa...

Natural ruby/ blue sapphire / emerald rings ( 3 rings )18k gold
Located in jaipur, IN
emerald cut eternity band ring Pave emerald birthstone ring Emerald wedding band gold STONE DETAILS
Category

2010s Indian Band Rings

Materials

Emerald, 14k Gold, 18k Gold

1925 Art Deco 3.50 Carat Aquamarine Diamonds Sapphires Platinum Ring
Located in Poitiers, FR
emerald-cut aquamarine. On both sides the start of the ring is composed of a delicately openwork pattern
Category

Vintage 1920s French Art Deco Engagement Rings

Materials

Aquamarine, Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

GIA Certified 3.33 Carat Dark Blue Sapphire Diamond Three-Stone Gold Ring
By Diamond Stars Jewelry, Inc.
Located in New York, NY
Blue Sapphire The Sapphire is GIA Certified Octagonal Step Cut Heated There are 2 trillion Diamonds
Category

21st Century and Contemporary American Contemporary Three-Stone Rings

Materials

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

7.30 Carat Peridot Sapphire and Diamond 14 Karat Yellow Gold Cocktail Ring
By Roshe Jewels
Located in Los Angeles, CA
20 Orange Sapphires that weigh 2.03 Carats and 2 Pear Cut Orange Sapphires that weigh 0.30 Carats and
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, Peridot, Sapphire, 14k Gold, Yellow Gold

Tutti Frutti Style Rubies Sapphires Emeralds Gold Diamonds Jade Drops Earrings
By Tutti Frutti Jewellery
Located in Bangkok, TH
round full cut diamonds weighing 0,25 carats,and 3 pairs of faceted 4x5 mm. Rubies ,Emeralds and Blue
Category

Early 2000s Thai Art Deco Dangle Earrings

Materials

Diamond, Emerald, Jade, Ruby, Sapphire, Gold, 14k Gold

Vintage 18K Gold Diamond Emerald Sapphire Textured Detail 3D Boy Walking Brooch
Located in Montclair, NJ
- 0.60ctw (approx.) (2) Natural Genuine Sapphires - Round Brilliant Cut - Pave Set - Medium Blue Color
Category

Vintage 1980s Unknown Brooches

Materials

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

Georgios Collections 18 Karat Yellow Gold Ruby Ring With Emerald and Sapphires
By Georgios Collections Inc
Located in Astoria, NY
features brilliant cut diamonds total weight of 0,22 Carat, a Center Ruby, 2 Sapphires and 12 Emeralds on
Category

2010s Greek Byzantine Cocktail Rings

Materials

Diamond, White Diamond, Emerald, Ruby, Sapphire, Blue Sapphire, Gold, 18...

Georgios Collections 18 Karat Yellow Gold Sapphire Ring with Emeralds and Rubies
By Georgios Collections Inc
Located in Astoria, NY
Center pear shape Sapphire total weight of 2,55 Carats, 4 Emeralds, and 2 Rubies total weight of 1,55
Category

2010s Greek Byzantine Cocktail Rings

Materials

Diamond, White Diamond, Emerald, Ruby, Sapphire, Blue Sapphire, Gold, 18...

Georgios Collections 18 Karat White Gold Diamond Sapphire Ruby Emerald Key Ring
By Georgios Collections Inc
Located in Astoria, NY
. It has Brilliant Cut White Diamonds total weight of 0.44 Carat, and Princess cut Rubies, Sapphires
Category

2010s Greek Classical Greek Band Rings

Materials

Diamond, White Diamond, Emerald, Ruby, Sapphire, Blue Sapphire, Gold, 18...

Art Deco 1.50 Carat Yellow Sapphire and Diamond Ring, circa 1930s
Located in London, GB
: Yellow Sapphire Stone Shape: Emerald Cut Carat Weight: 1.50 Metal: Platinum Age: 1930s Size: N 1/2
Category

Vintage 1930s Unknown Art Deco Engagement Rings

Materials

Diamond, Yellow Sapphire, Platinum

Sapphire Emerald Diamond Gold Ear Clips
Located in Los Angeles, CA
Sapphire, Emerald and Diamond Gold Ear Clips Avant garde and tailored earrings showcasing a pair
Category

Vintage 1970s Contemporary Clip-on Earrings

Gemstone Cluster Ring Emerald Sapphire Diamond Vintage 18 Karat Gold Cocktail
Located in Torrance, CA
. Centrally mounted estimated 0.45 carat round brilliant cut diamond is flanked with a further 24 estimated
Category

Mid-20th Century Unknown Modern Cluster Rings

Materials

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

Art Deco 2 Carat Marquise Diamond Platinum Long Navette Cocktail Engagement Ring
Located in Santa Barbara, CA
: Sapphires = 2.80 Carats Emeralds = 1.65 Carats Diamonds = 0.35 Carats Ring Size: 7.75, sizeable Rise Above
Category

2010s Art Deco Cocktail Rings

Materials

Diamond, Emerald, Blue Sapphire, Platinum

Gemistry 2.9 Carat Octagon Blue Sapphire Stud Earrings with Diamond in 14K Gold
Located in New York, NY
2.9 carat emerald cut blue sapphires at the center in four prongs accentuated by a halo of round and
Category

2010s Contemporary Stud Earrings

Materials

Diamond, Blue Sapphire, 14k Gold, Yellow Gold

Victorian 6.4 Carat T.W Aquamarine, Blue Sapphire and Diamond Cluster Ring
Located in New York, NY
A gorgeous emerald cut aquamarine, weighing 2.6 Cts enhanced with two blue sapphires on each side
Category

2010s Victorian Cluster Rings

Materials

Aquamarine, Diamond, Blue Sapphire, 18k Gold, Sterling Silver

Berca 10.24 Kt Octagon Cut Brazilian Aquamarine Oval Sapphire Cocktail Ring
By Berca Atelier
Located in Valenza, IT
One-of-a-kind 10,24 Carat Emerald Cut Natural Brazilian Aquamarine (0.74 in lenght 0,37 in width
Category

21st Century and Contemporary Italian Contemporary Engagement Rings

Materials

Aquamarine, Sapphire, 18k Gold, White Gold

Diamond, Ruby, Sapphire and Emerald 18 Karat Yellow Gold Bee Brooch Pin
Located in Miami, FL
2 emerald eyes weigh approximately 0.05 carats total. This vibrant bee measures 1.05 inches in
Category

Vintage 1980s Unknown Modern Brooches

Materials

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

Art Deco Sapphire and Diamond 18 Carat Gold Panel Ring
Located in Chipping Campden, GB
This is a wonderful example of Art Deco style, the central stone in this ring is a 15pt emerald cut
Category

Vintage 1920s British Art Deco Cluster Rings

Materials

Diamond, Sapphire, Gold, 9k Gold

Certified Marquise Diamond with Emerald and Sapphire Art Deco Style Halo Ring
Located in Bangkok, TH
at the center with French cut emerald, sapphire and round diamond in beautiful halo designs. Adorn
Category

21st Century and Contemporary Thai Art Deco Cocktail Rings

Materials

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

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2 Carat Emerald Cut Sapphire For Sale on 1stDibs

Find the exact 2 carat emerald cut sapphire you’re shopping for in the variety available on 1stDibs. Each design created in this style — which was crafted with great care and often made from Gold, 18k Gold and Yellow Gold — can elevate any look. Our collection of these items for sale includes 126 vintage editions and 347 modern creations to choose from as well. Making the right choice when shopping for a 2 carat emerald cut sapphire may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 20th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. Creating a 2 carat emerald cut sapphire has been a part of the legacy of many jewelers, but those produced by Luigi Ferrara, David Gross Group and Roshe Jewels are consistently popular. 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 mixed cut and brilliant cut alternatives. When shopping for a 2 carat emerald cut sapphire, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a 2 Carat Emerald Cut Sapphire?

The price for a 2 carat emerald cut sapphire starts at $56 and tops out at $563,000 with these rings, on average, selling for $6,800.

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.