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Hearts on Fire 18 Karat Yellow Gold Lorelei Criss Cross Diamond Cocktail Ring
By Hearts On Fire
Located in Gainesville , FL
This stunning 18K yellow gold Hearts On Fire cocktail ring features a total diamond weight of 0.60
Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, 18k Gold

Hearts on Fire 18 Karat White Gold 1.50 Carat Total Weight Diamond Stud Earrings
By Hearts On Fire
Located in Gainesville , FL
These gorgeous Hearts On Fire diamond earrings are set in a classic 18K white gold 3-prong martini
Category

2010s American Contemporary Stud Earrings

Materials

Diamond, 18k Gold

Hearts on Fire 18 Karat White Gold 1.97 Carat Total Weight Diamond Hoop Earrings
By Hearts On Fire
Located in Gainesville , FL
These classic Hearts On Fire diamond oval-shaped hoop earrings feature a total round diamond weight
Category

2010s American Contemporary Hoop Earrings

Materials

Diamond, 18k Gold

Hearts On Fire 18 Karat White Gold 0.94 Carat Total Weight Diamond Wedding Band
By Hearts On Fire
Located in Gainesville , FL
This Hearts On Fire channel-set diamond wedding band has a total carat weight of 0.94 carats
Category

2010s American Contemporary Wedding Rings

Materials

Diamond, 18k Gold

Hearts on Fire 18 Karat White Gold 1.02 Carat Total Weight Diamond Stud Earrings
By Hearts On Fire
Located in Gainesville , FL
-SI. Hearts On Fire diamonds are the world's most perfectly cut diamonds, allowing for maximum light
Category

2010s American Contemporary Stud Earrings

Materials

Diamond, 18k Gold

Hearts on Fire 18 Karat White Gold 2.92 Carat Total Weight Diamond Ring
By Hearts On Fire
Located in Gainesville , FL
This show-stopping Hearts On Fire engagement ring holds a beautiful 2.05 carat round diamond
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, 18k Gold

1.25 Carat Total Weight Round Diamond Engagement Ring with Diamond Halo
By Hearts On Fire
Located in Rochester, NY
A Hearts on Fire diamond is perfectly cut to allow your diamond to have the best light return. It
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, 18k Gold, White Gold

1.048 Carat Square Radiant Diamond Engagement Platinum Ring Art Deco Style
By Hearts On Fire
Located in Rochester, NY
1.048 E color SI2 Dream [square radiant] diamond by Hearts on Fire set in this Art Deco Style ring
Category

21st Century and Contemporary American Art Deco Engagement Rings

Materials

Diamond, Platinum

Hearts on Fire White Gold and Diamond Bracelet
By Hearts On Fire
Located in Dallas, TX
. Inside Circumference: 6". Stamped: Hearts on Fire, 750.15.7 DWT or 24.41 Grams. Comes with Box.
Category

Late 20th Century American Bangles

Materials

Diamond, 18k Gold

HEARTS ON FIRE White Gold Diamond SIMPLY BRIDAL TWIST Ring
By Hearts On Fire
Located in Los Angeles, CA
Hearts on Fire make the perfect engagement rings. And each diamond is guaranteed conflict free
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, White Gold

Hearts on Fire Illa Diamond Bracelet in 18 Karat White Gold
By Hearts On Fire
Located in Miami, FL
Designer: Hearts on Fire (HOF) Metal: 18K White Gold Stones: 360 Round Diamonds at 8.74 ct 36
Category

21st Century and Contemporary More Bracelets

Materials

Diamond, 18k Gold, White Gold

Hearts on Fire 18k White Gold Behati Tiara Band
By Hearts On Fire
Located in Rochester, NY
18 karat white gold Hayley Paige For Hearts On Fire Behati Tiara diamond band. 0.08-0.13 carat
Category

2010s Wedding Rings

Materials

Diamond, Gold, 18k Gold, White Gold

Hearts on Fire 18k Rose Gold Behati Tiara Band
By Hearts On Fire
Located in Rochester, NY
18 karat rose gold Hayley Paige For Hearts On Fire Behati Tiara diamond band. 0.08-0.13 carat total
Category

2010s Wedding Rings

Materials

Diamond, Gold, 18k Gold, Rose Gold

Hearts on Fire 18k Yellow Gold Sloane Picot Band
By Hearts On Fire
Located in Rochester, NY
18 karat yellow gold Hayley Paige For Hearts On Fire Sloane Picot All in a Row diamond band. Pink
Category

2010s Wedding Rings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Hearts On Fire 18k White Gold Love Code Band
By Hearts On Fire
Located in Rochester, NY
18 karat white gold Hayley Paige For Hearts On Fire Love Code band. Diamonds spaced along band
Category

2010s Wedding Rings

Materials

Diamond, Gold, 18k Gold, White Gold

2.00ctw Hearts On Fire Princess Diamond Halo Engagement Ring in 18kt White Gold
By Hearts On Fire
Located in Vienna, VA
2.00ctw Hearts on Fire Princess Diamond Halo Engagement Ring in 18K Hearts On Fire Princess
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Gold, 18k Gold

18 Karat White Gold 0.58 Carat Hearts on Fire Lorelei Floral Diamond Ring
By Hearts On Fire
Located in Gainesville , FL
Hearts On Fire Lorelei Diamond Ring featuring a scalloped design and a 0.58 carat weight of round
Category

2010s American Romantic Cocktail Rings

Materials

Diamond, 18k Gold

Hearts on Fire 18 Karat White Gold 2.20 Carat Weight Diamond Hoop Earrings
By Hearts On Fire
Located in Gainesville , FL
These Hearts On Fire classic style inside-outside hoop earrings are made of 18K white gold and
Category

2010s American Contemporary Hoop Earrings

Materials

Diamond, 18k Gold

Hearts on Fire 18k White Gold Sloane Picot Band
By Hearts On Fire
Located in Rochester, NY
18 karat white gold Sloane Picot All in a Row diamond band. Pink sapphire inside band. 0.37-0.47
Category

2010s Wedding Rings

Materials

Diamond, Gold, 18k Gold, White Gold

Hearts on Fire 0.47 Carat Total Weight Round Diamond Stud Earrings
Located in Gainesville , FL
is approximately H/VS-SI. Hearts On Fire diamonds are the world's most perfectly cut diamonds
Category

2010s American Contemporary Stud Earrings

Materials

Diamond, 18k Gold

Hearts On Fire 18 Karat White Gold 1.49 Carat Diamond Ariel Ear Vine Earrings
By Hearts On Fire
Located in Gainesville , FL
These stunning 18k white gold Hearts On Fire ear climbers are magnificent. The vine-like design
Category

2010s American Contemporary Stud Earrings

Materials

Diamond, 14k Gold

18 Karat White Gold Hayley Paige for Hearts on Fire Behati Beaded Band
By Hearts On Fire
Located in Rochester, NY
18 karat white gold Hayley Paige For Hearts On Fire Behati Beaded band. 0.52-0.62 carat total
Category

2010s Wedding Rings

Materials

Diamond, Pink Sapphire, 18k Gold, White Gold

Hearts On Fire Estate Engagement Ring with 0.57 Carat I SI1 AGS Center
By Hearts On Fire
Located in DAYTON, OH
This engagement ring was designed by Hearts On Fire and is made from 18k white gold. The center
Category

21st Century and Contemporary Contemporary Bridal Rings

Materials

Diamond, 18k Gold, White Gold

18k RG Hayley Paige For Hearts On Fire Harley Go Boldly Braided Power Band
By Hearts On Fire
Located in Rochester, NY
sapphire and diamond. 25 pink sapphires 0.11ctw & 25 Hearts On Fire 0.13ctw G-H/VS-SI diamonds. Signature
Category

2010s Wedding Rings

Materials

Diamond, Pink Sapphire

18 Karat White Gold Hearts on Fire 2.63 Carat Triplicity Diamond Ring
Located in Gainesville , FL
Hearts On Fire Triplicity double point diamond ring featuring 2.63 carats of round graduating
Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, 18k Gold

Hearts on Fire Diamond Wedding Band
By Hearts On Fire
Located in Towson, MD
One platinum Hearts On Fire diamond wedding band set with eighteen round brilliant cut diamonds
Category

21st Century and Contemporary Contemporary Band Rings

Materials

Diamond, Platinum

Hearts on Fire Diamond Eternity Band
By Hearts On Fire
Located in Webster, NY
Hearts on Fire Diamond Eternity Band featuring .85ctw of Round Cut Diamonds. Diamond Carat Weight
Category

21st Century and Contemporary Band Rings

Materials

Diamond, 18k Gold

Certified Hearts on Fire Diamond Stud Earrings in Platinum
By Hearts On Fire
Located in Webster, NY
These classic studs featured two AGS Certified Hearts On Fire Diamonds. One diamond weighs 1.03CT
Category

21st Century and Contemporary Stud Earrings

Materials

Diamond, Platinum

Hearts on Fire Diamond White Gold Openwork Band Ring
By Hearts On Fire
Located in Southampton, PA
Hearts on Fire diamonds are famous for. Diamond Carat Weight: 2.05 Retail Price: $13,750.00 (Plus Tax)
Category

21st Century and Contemporary Cocktail Rings

Materials

White Diamond, 18k Gold, White Gold

Hearts on Fire Diamond Pendant
By Hearts On Fire
Located in Dallas, TX
Asymmetrical heart pendant with one 2.5mm round diamond at the top of the right side of the heart
Category

21st Century and Contemporary American Contemporary Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

Hearts on Fire Diamond Halo Engagement Ring
By Hearts On Fire
Located in Towson, MD
One platinum Hearts on Fire halo style diamond engagement ring from the Transcend collection set
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

Diamond, Platinum

Double Row Hearts on Fire Diamond Eternity Band
Located in Greenwich, CT
This elegant double row wedding band of perfectly cut Hearts On Fire diamonds is beautiful on its
Category

21st Century and Contemporary American Modern Band Rings

Materials

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

Hearts on Fire Diamond Double Row Eternity Band
By Hearts On Fire
Located in Boca Raton, FL
Designer: Hearts On Fire Material: 18k white gold Diamond Details: Approximately 1.64ctw of round
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

Hearts on Fire Diamond Ring, 18 Karat White Gold Atlantico Fine .40 Carat
By Hearts On Fire
Located in Greensboro, NC
Hearts on Fire diamond. Four sturdy prongs hold the solitaire securely in place in an Atlantico mounting
Category

20th Century Unknown Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Hearts on Fire Diamond White Gold Brocade Pendant Necklace
By Hearts On Fire
Located in Southampton, PA
This pendant necklace from Hearts on Fire is gorgeous and shines with diamonds. It is made of 18K
Category

21st Century and Contemporary Necklace Enhancers

Materials

White Diamond, 18k Gold, White Gold

Hearts on Fire Diamond Yellow Gold Brocade Heart Pendant Necklace
By Hearts On Fire
Located in Southampton, PA
This pendant necklace from Hearts on Fire is lovely and sophisticated. It is made of 18K yellow
Category

21st Century and Contemporary Necklace Enhancers

Materials

White Diamond, 18k Gold, Yellow Gold

Tanzanite Hearts on Fire Diamond Ring in 18k White Gold
Located in Webster, NY
Beautiful Tanzanite set into a Hearts on Fire diamond setting made in 18k white gold. Gemstone
Category

21st Century and Contemporary Fashion Rings

Materials

Diamond, Tanzanite, 18k Gold, White Gold

Hearts on Fire Diamond Tessa Necklace Made in 18k White Gold
By Hearts On Fire
Located in Webster, NY
New Hearts on Fire "Tessa" diamond necklace made in 18k white gold with box. Total Diamond Carat
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

Hearts on Fire Diamond Station Necklace Chain HOF 18k Gold 1.96ctw Certificate
By Hearts On Fire
Located in Northbrook, IL
Here we have a remarkable Hearts on Fire 7 station ~1.96ctw diamond necklace in 18k gold with
Category

Late 20th Century Chain Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

Hearts On Fire Diamond Journey Pendant Necklace, 18k Gold Round Cut .33 Carat
By Hearts On Fire
Located in Greensboro, NC
Originally retailing for $2290, this NEW Hearts On Fire pendant necklace was purchased in a
Category

21st Century and Contemporary Unknown Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

Hearts on Fire Diamond Halo Ring 18 Karat Gold Repertoire Stackable .50 Carat
By Hearts On Fire
Located in Greensboro, NC
Begin the next chapter of your love story with this gorgeous Hearts On Fire engagement ring
Category

20th Century Unknown Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Contemporary Hearts on Fire Diamond Engagement Ring
Located in Towson, MD
18 karat white gold (stamped 750 HOF) solitaire engagement ring with one 5.4mm round Hearts on Fire
Category

2010s Contemporary Engagement Rings

Materials

Diamond, 18k Gold

Hearts on Fire Diamond Platinum Wedding Band Ring
Located in Boca Raton, FL
Hearts on Fire 5 Diamond wedding band fashioned in platinum. The 5 round brilliant cut diamonds
Category

21st Century and Contemporary American Modern Wedding Rings

Materials

Diamond, Platinum

2.38 Carats Hearts on Fire Diamond Platinum Wedding Ring
Located in Miami, FL
Platinum Hearts on Fire Ring Set with 1.13ct, G Color, SI2 Clarity, AGS# 0009322610, Surrounded by
Category

21st Century and Contemporary American Wedding Rings

Materials

Diamond, Platinum

Hearts on Fire 1.62 Carat Cushion Cut Diamond Engagement Ring With Papers
By Hearts On Fire
Located in Boca Raton, FL
Beautiful Hearts on Fire diamond engagement ring. The ring features an 1.62 carat cushion cut
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

White Diamond, Platinum

Hearts On Fire 18 Karat White Gold Diamond Cluster Pendant Necklace #18401
By Hearts On Fire
Located in Washington Depot, CT
18K White Gold Hearts on Fire Diamond Pendant Necklace This sparkling pendant necklace by Hearts
Category

20th Century Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

Hearts on Fire 18k White Gold 3 Row Round Diamond Wavy Design 2cttw Band
By Hearts On Fire
Located in Montgomery, AL
Hearts on Fire 18k White Gold Round White Diamond Band Size 8.75 7.5 Grams White Brilliant Cut
Category

2010s Unknown Band Rings

Materials

Diamond, White Gold

Hearts on Fire Enchantment Double Row Ring 18 Karat Gold and Diamonds 1.45 Carat
By Hearts On Fire
Located in Tustin, CA
We are pleased to offer this 18k White Gold & Diamond Hearts On Fire Enchantment Ring. The
Category

2010s American Modern Band Rings

Materials

White Diamond, 18k Gold

Hearts on Fire Fulfillment Diamond Pendant Necklace 18 Karat Gold FPS00708W
By Hearts On Fire
Located in New York, NY
Hearts On Fire Fulfillment Diamond Pendant Necklace 18 K White Gold FPS00708W A Hearts On Fire
Category

2010s Drop Necklaces

Materials

Diamond, 18k Gold

Hearts on Fire .15ctw Diamond Bangle Bracelet, 18k Rise Gold
By Hearts On Fire
Located in McLeansville, NC
This exquisite Hearts on Fire .15ctw Diamond Bangle Bracelet is crafted in 18K Rose Gold and
Category

Early 2000s Bangles

Materials

Diamond, Gold, 18k Gold, Rose Gold

Hearts on Fire Sapphire Diamond Engagement Ring 1.30ct Platinum
By Hearts On Fire
Located in Dearborn, MI
Genuine Hearts on Fire Sapphire and Diamond Engagement Ring 1.30ct Platinum Features a Genuine
Category

2010s Engagement Rings

Materials

Diamond, Sapphire, Platinum

Hearts on Fire 0.60 CTW Diamond 18 Karat White Gold Engagement Ring
By Hearts On Fire
Located in Towson, MD
This pristine Hearts on Fire "The World's Most Perfectly Cut Diamond" engagement ring contains one
Category

2010s American Engagement Rings

Materials

Diamond, 18k Gold, White Gold

"Hearts on Fire" 1.04 Carat Diamond Earrings
By Hearts On Fire
Located in Dallas, TX
In 18 karat white gold, these diamonds are VS 2 - SI 1 in clarity and G - H in color. Light on the
Category

21st Century and Contemporary More Earrings

Materials

Diamond, 18k Gold, White Gold

1.50 Carats Diamonds Gold Hearts On Fire Necklace
By Hearts On Fire
Located in Boca Raton, FL
Designer: Hearts on Fire Material: 18k white gold Diamond Details: 1.50ctw of round brilliant
Category

Early 2000s American Drop Necklaces

Materials

Diamond, White Diamond, 18k Gold, White Gold

Hearts on Fire Platinum Diamond Engagement Ring Set
By Hearts On Fire
Located in Southampton, PA
This elegant engagement ring set from Hearts on Fire features the fiery diamonds the brand is so
Category

21st Century and Contemporary Bridal Rings

Materials

White Diamond, Platinum

Hearts on Fire Metro Sapphire Diamond Gold Earrings
By Hearts On Fire
Located in Southampton, PA
18k White Gold Metro Diamond And Sapphire Drop Earrings by Hearts On Fire. With Round brilliant
Category

Early 2000s American Drop Earrings

Materials

Diamond, Sapphire, 18k Gold

Hearts On Fire Hoopla Diamond Gold Oval Hoop Earrings
By Hearts On Fire
Located in Southampton, PA
18k White Gold Hoopla Diamond Hoop Earrings by Hearts On Fire. With 72 round brilliant cut
Category

21st Century and Contemporary American Hoop Earrings

Materials

Diamond, 18k Gold

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Hearts On Fire Diamonds For Sale on 1stDibs

Browse a vast assortment of hearts on fire diamonds for sale on 1stDibs. Frequently made of Gold, 18k Gold and White Gold, these items were constructed with great care. Our collection of these items for sale includes 7 vintage editions and 71 modern creations to choose from as well. Our inventory has long been popular, and it includes earlier versions that date to the 20th Century and newer variations that were made as recently as the 21st Century. The designs in our inventory of hearts on fire diamonds bearing Contemporary or Modern hallmarks are very popular. There have been many well-made iterations of these items over the years, but those made by Hearts On Fire and The Leo Diamond are often thought to be among the most beautiful. Today, if you’re looking for round cut hearts on fire diamonds and are unable to find the perfect match, our selection also includes princess cut and radiant cut alternatives. If you’re browsing the variety of hearts on fire diamonds for sale, you’ll find that many are available today for women, but there are still pieces to choose from for men.

How Much are Hearts On Fire Diamonds?

Prices for hearts on fire diamonds can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $399 and can go as high as $45,000, while hearts on fire diamonds, on average, fetch $3,463.

Why Gold Shines in Jewelry Craftsmanship

Gold is the feel-good metal, the serotonin of jewelry. Wear vintage and antique gold necklaces, watches, gold bracelets or gold rings and you feel happy, you feel dressed, you feel, well, yourself. 

Gold, especially yellow gold, with its rich patina and ancient pedigree going back thousands of years, is the steady standby, the well-mannered metal of choice. Any discussion of this lustrous metal comes down to a basic truth: Gold is elementary, my dear. Gold jewelry that couples the mystique of the metal with superb design and craftsmanship achieves the status of an enduring classic. Many luxury houses have given us some of our most treasured and lasting examples of gold jewelry over the years.

Since its founding, in 1837, Tiffany Co. has built its reputation on its company jewelry as well as its coterie of boutique designers, which has included Jean Schlumberger, Donald Claflin, Angela Cummings and Elsa Peretti. There are numerous gold Tiffany classics worth citing. Some are accented with gemstones, but all stand out for their design and the workmanship displayed.

For the woman who prefers a minimalist look, the Tiffany Co. twist bangle (thin, slightly ovoid) is stylishly simple. For Cummings devotees, signature pieces feature hard stone inlay, such as her pairs of gold ear clips inlaid with black jade (a play on the classic Chanel black and tan), or bangles whose design recalls ocean waves, with undulating lines of lapis lazuli and mother-of-pearl. And just about any design by the great Jean Schlumberger is by definition a classic.

Even had he eschewed stones and diamonds, Southern-born David Webb would be hailed for the vast arsenal of heavy gold jewelry he designed. Gold, usually hammered or textured in some manner, defines great David Webb jewelry. The self-taught jeweler made very au courant pieces while drawing inspiration from ancient and out-of-the-way sources — East meets West in the commanding gold necklaces made by Webb in the early 1970s. The same could be said for his endlessly varied gold cuffs.

In Europe, many houses have given us gold jewelry that sets the highest standard for excellence, pieces that were highly sought after when they were made and continue to be so. 

Numerous designs from Cartier are homages to gold. There are the classic Trinity rings, necklaces and bracelets — trifectas of yellow, white and rose gold. As a testament to the power of love, consider the endurance of the Cartier Love bracelet.

Aldo Cipullo, Cartier’s top in-house designer from the late 1960s into the early ’70s, made history in 1969 with the Love bracelet. Cipullo frequently said that the Love bracelet was born of a sleepless night contemplating a love affair gone wrong and his realization that “the only remnants he possessed of the romance were memories.” He distilled the urge to keep a loved one close into a slim 18-karat gold bangle. 

BVLGARI and its coin jewelry, gemme nummarie, hit the jackpot when the line launched in the 1960s. The line has been perennially popular. BVLGARI coin jewelry features ancient Greek and Roman coins embedded in striking gold mounts, usually hung on thick link necklaces of varying lengths. In the 1970s, BVLGARI introduced the Tubogas line, most often made in yellow gold. The Tubogas watches are classics, and then there is the Serpenti, the house's outstanding snake-themed watches and bracelets.

A collection called Monete that incorporated the gold coins is one of several iconic BVLGARI lines that debuted in the 1970s and ’80s, catering to a new generation of empowered women. Just as designers like Halston and Yves Saint Laurent were popularizing fuss-free ready-to-wear fashion for women on the go, BVLGARI offered jewels to be lived in

Since Van Cleef Arpels opened its Place Vendôme doors in 1906, collection after collection of jewelry classics have enchanted the public. As predominantly expressed in a honeycomb of gold, there is the Ludo watch and accessories, circa the 1920s, and the golden Zip necklace, 1951, whose ingenious transformation of the traditional zipper was originally proposed by the Duchess of Windsor. Van Cleef's Alhambra, with its Moroccan motif, was introduced in 1968 and from the start its popularity pivoted on royalty and celebrity status. It remains one of VCA’s most popular and collected styles.

Mention must be made of Buccellati, whose name is synonymous with gold so finely spun that it suggests tapestry. The house’s many gold bracelets, typically embellished with a few or many diamonds, signified taste and distinction and are always in favor on the secondary market. Other important mid-20th-century houses known for their gold-themed jewelry include Hermès and Ilias Lalaounis.

Find a stunning collection of vintage and antique gold 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.