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David Rosenberg 3.97 Carat GIA Fancy Light Yellow Heart Shape Diamond Necklace
By David Rosenberg
Located in Boca Raton, FL
A sentimental masterpiece from Rosenberg Diamonds & Co. This beautiful heart shaped diamond pendant
Category

21st Century and Contemporary American Modern Pendant Necklaces

Materials

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

14K Yellow Gold Pair 1 ct Heart Diamond Stud Earrings
Located in Miami Beach, FL
Dainty and dazzling, these unique heart shaped diamond stud earrings can’t be missed. Crafted in
Category

21st Century and Contemporary American Stud Earrings

Materials

Diamond, Yellow Gold

GIA Certified Pink and Yellow Heart Shape Diamond "Toi et Moi" Ring
Located in New York, NY
This white, yellow, and rose gold "Toi et Moi" ring has two heart shaped diamonds: a 0.77 carat GIA
Category

2010s Belgian Engagement Rings

Materials

Diamond, 18k Gold

Alluring Fancy Cut Diamond Heart Pendant
Located in Toronto, Ontario
A half carat (.50) fancy cut Brilliant Heart Shaped Diamond is custom set in 18 karat white gold
Category

21st Century and Contemporary Canadian Modern Pendant Necklaces

Materials

Diamond, White Diamond, 18k Gold, White Gold

1.49 Round Diamond GIA Cert Set in Platinum Heart Mounting
Located in Wynnewood, PA
GIA certified H/SI1 # 1142742811. It has one heart shaped diamonds on each shoulder that is
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

Contemporary 1.41 Carat Pear Cut Brilliant Diamond Halo Ring 18 Carat Gold
Located in Hamilton, AU
approximately 9.5 x 5 x 2.9 millimetres. The round brilliant cut diamonds total 0.61 carats with F colour and VS
Category

21st Century and Contemporary Australian Contemporary Engagement Rings

Materials

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

Art Deco 2.42 Carat Old Cut Diamond Platinum Twist Ring
Located in Essex, GB
known 2.42 carat – is secured in a eight-claw collet with heart motifs in the gallery. The sweeping, ‘S
Category

Mid-20th Century Solitaire Rings

Materials

Diamond, White Diamond, Platinum

Art Deco 1.05 Carat Old Cut Diamond Platinum Engagement Ring
Located in Essex, GB
internally clean and very lively cushion shaped old mine cut diamond – certified by HRD Antwerp as J colour
Category

Mid-20th Century Engagement Rings

Materials

Diamond, White Diamond, Platinum

Pair of 14K Yellow Gold Heart Diamond Stud Earrings
Located in Miami Beach, FL
Dainty and dazzling, these unique heart shaped diamond stud earrings can’t be missed. Crafted in
Category

21st Century and Contemporary American Stud Earrings

Materials

Yellow Gold

Art Nouveau 0.9 Carat Diamond Pearl 14K Gold Pendant Necklace circa 1905
Located in Goettingen, DE
Art Nouveau 0.9 Carat Diamond Pearl 14K Gold Pendant Necklace circa 1905 This antique pearl
Category

Antique Early 1900s German Art Nouveau Pendant Necklaces

Materials

Diamond, Pearl, 14k Gold, Yellow Gold

14 Karat White Gold , Aquamarine and Diamond Ring
Located in Jerusalem, IL
A lovely Heart Shaped Ring , the center stone is a 5 mm Heart Shaped Hand Cut and very vibrant
Category

Late 20th Century Modern Cocktail Rings

Materials

Aquamarine, Diamond, 14k Gold, White Gold

HRD Certified Diamond Necklace 950 Platinum 750 Gold 0.68ct H/I1 Pear Shape
Located in Darmstadt, DE
HRD Certified Diamond Necklace 950 Platinum 750 Gold 0.68Ct H/I1 Pear Shape. Heart Shaped Necklace
Category

2010s German Modern Pendant Necklaces

Materials

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

Romantic Yellow Gold White and Yellow Diamond Parure
Located in Paris, FR
with two interlaced heart set with white diamonds. Weight almost 7 carats. Heart-shaped earring clips
Category

21st Century and Contemporary Unknown Modern Drop Necklaces

Materials

Diamond, Yellow Diamond, 18k Gold

14k Rose Gold Chocolate Vintage Diamond Pendant
Located in New York, NY
These are dainty heart shaped gemstone pendants stamped in strong 14K yellow gold. There are two
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Rose Gold

14k White Gold Elegant Diamond Cross Pendant
Located in New York, NY
These are dainty heart shaped gemstone pendants stamped in strong 14K yellow gold. There are two
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, White Gold

Pink Imperial Precious Topas Diamond Art Deco Platinum Necklace
Located in Munich, DE
circa 5 carat and is faceted. The setting of the topaz has a heart shaped design on the side and is
Category

Vintage 1920s American Art Deco Pendant Necklaces

Materials

Topaz, Diamond, Platinum

Invest Yourself in Timeless and Resilience with One of Kind Colored Diamond Ring
By ROHIT JAIN
Located in NEW DELHI, IN
: - 1 Square shaped Black Colored Rose cut Diamond & 5 Round White Diamonds (Total Carat Weight: 0.98
Category

2010s Contemporary Fashion Rings

Materials

Diamond, White Diamond, Black Diamond, Gold, 18k Gold, Yellow Gold

14K White Opal Half Eternity Ring
Located in Miami Beach, FL
important that a heart shaped diamond is cut with extreme skill. Both round ends of the heart need to match
Category

21st Century and Contemporary American Band Rings

Materials

Opal, 14k Gold

14K Solitaire White Gold Opal Ring, Size 4
Located in Miami Beach, FL
cutter. It is very important that a heart shaped diamond is cut with extreme skill. Both round ends of
Category

21st Century and Contemporary American Solitaire Rings

Materials

Opal, Gold, White Gold

14K White Opal Eternity Ring
Located in Miami Beach, FL
important that a heart shaped diamond is cut with extreme skill. Both round ends of the heart need to match
Category

21st Century and Contemporary American Band Rings

Materials

Gold

18K Gold 1/5 Carat Diamond Heart-Shaped Ruby Halo Pendant Necklace
Located in New York, NY
meticulously crafted with romantic flair. A 6.7 x 7mm heart-shaped, glass-filled ruby in a color-treated red
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

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

5 Carat Fancy Yellow Diamond Heart-Shaped Necklace 18K Yellow Gold GIA Certified
Located in New York, NY
Discover the elegance of a 5.17 carat heart-shaped Fancy Yellow diamond pendant, certified by GIA
Category

2010s American Contemporary Pendant Necklaces

Materials

Yellow Diamond, 18k Gold, Yellow Gold

14K White Gold 1/5 Carat 3-Prong Set Heart Shaped Diamond Pendant Necklace
Located in New York, NY
An elegant heart-shaped diamond is the brilliant focal point of this solitaire necklace for her
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, 14k Gold, White Gold

1.08 Carat Heart Shaped GIA - G VVS1 Certified Diamond in Platinum Ring
Located in Houston, TX
features a total diamond weight of 1.5 carats, with a stunning 1.08-carat heart-shaped brilliant-cut
Category

2010s Engagement Rings

Materials

Diamond, Platinum

.925 Sterling Silver 1/5 Cttw Diamond Heart Shaped Stud Earrings
Located in New York, NY
heart, stunningly adorned with natural, earth-mined diamonds that dazzle with every turn. These
Category

21st Century and Contemporary Indian Modern Stud Earrings

Materials

Diamond, Rhodium, Sterling Silver

14K White Gold 1/5 Carat Solitaire Heart Diamond Pendant Necklace
Located in New York, NY
An elegant heart-shaped diamond is the brilliant focal point of this solitaire necklace for her
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, 14k Gold, White Gold

.925 Sterling Silver 1/5 Cttw Yellow Diamond Heart Shaped Stud Earrings
Located in New York, NY
Envelop your lobes in the luminescent embrace of these exquisite heart-shaped stud earrings
Category

21st Century and Contemporary Indian Modern Stud Earrings

Materials

Diamond, Yellow Diamond, Rhodium, Sterling Silver

925 Sterling Silver 1/5 Cttw Blue Diamond Heart Shaped Stud Earrings
Located in New York, NY
Discover the enchanting allure of these heart-shaped stud earrings, meticulously crafted from 925
Category

21st Century and Contemporary Indian Modern Stud Earrings

Materials

Diamond, Blue Diamond, Rhodium, Sterling Silver

Heart Shaped Emerald Diamond Platinum Ring
Located in Los Angeles, CA
Heart-shaped emerald and diamond estate platinum ring. * ABOUT THIS ITEM: #R-DJ28B. Scroll down
Category

Vintage 1970s Modern Cocktail Rings

Materials

Diamond, Emerald, Platinum

Heart Shaped Colombian Emerald Diamond Platinum Ring
Located in Los Angeles, CA
heart-shaped Colombian emerald weighing approximately 0.80 carat. DIAMONDS: twenty marquise-shaped and
Category

1990s Contemporary Cocktail Rings

Materials

Diamond, Emerald, Platinum

Certified Heart Shaped 3.65 Carat Emerald and Diamond 18 Karat Gold Earrings
By Royaal Stones Ltd
Located in Bangkok, Thailand
more elegant earrings with a 5 piece heart shape emerald extensions. The total weight of the emeralds
Category

2010s Thai Art Deco Lever-Back Earrings

Materials

Diamond, Emerald, Gold

Heart Shaped Sapphire Diamond Engagement Ring
Located in Chicago, IL
blue sapphire framed by 21 single cut diamonds. The sapphire is approximately 5 carats. Estimated
Category

Vintage 1930s Engagement Rings

Materials

Diamond, Blue Sapphire

Heart Shaped Amethyst Diamond Platinum Earrings
Located in Los Angeles, CA
pair of richly colored heart-shaped amethyst weighing 7.75 carats, within conforming diamond frames
Category

21st Century and Contemporary Contemporary Drop Earrings

Materials

Amethyst, Diamond, 18k Gold, Platinum

Antique Heart Shaped Diamond Pendant c. 1900
Located in Chicago, IL
and 0.10 ct). All diamonds are round Old European cuts with an approximate total weight of 5 carats
Category

Antique Late 19th Century Victorian Drop Necklaces

Materials

Diamond

18 Karat Yellow Gold Bangle with 5 Multi-Shaped Diamonds
Located in Palm Desert, CA
Set in 18 karat yellow gold are 5 multi-shaped diamonds: Two round brilliant cut diamonds, one
Category

2010s American Bangles

Materials

Diamond, 18k Gold

Heart Shaped Diamond Band Vintage 18 Karat Yellow Gold Heavy Ring Estate Jewelry
Located in Torrance, CA
. Particulars: Weight: 16.2 grams Stones: Heart shaped diamond is estimated at 0.55 carats (estimated at I-J
Category

Late 20th Century Unknown Modern Band Rings

Materials

Diamond, White Diamond, 18k Gold, Yellow Gold

18 Karat Rose Gold 11.22 Carat Heart Shape Black Diamond Trilogy Ring
By Joke Quick
Located in Antwerp, BE
Black diamond centerstone 11.22 carat with a Love and heart Laser inscription; and 2 black pear shaped
Category

2010s Belgian Contemporary Three-Stone Rings

Materials

Diamond, Black Diamond, 18k Gold, Rose Gold

Ladies 43.48 Carat Heart Brilliant All Solitaires Yellow Diamond Lariat Necklace
Located in Tustin, CA
Captivating, approximately 43.48 carat natural yellow heart shaped diamond 18 karat white and
Category

21st Century and Contemporary American Artisan Drop Necklaces

Materials

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

Buccellati Rombi Earrings with Heart-Shaped Cabochon Emeralds
By Buccellati
Located in New York, NY
Finley crafted in 18k yellow and white gold with Round Brilliant cut Diamonds and two Heart-Shaped
Category

21st Century and Contemporary Drop Earrings

Materials

Diamond, Emerald, 18k Gold

Emilio Jewelry GIA Certified 1.00 Carat Fancy Vivid Pink Heart Shape Diamond
By Emilio!
Located in New York, NY
certified Vivid Purplish Pink heart shaped diamond. What makes this diamond even more special, is the very
Category

21st Century and Contemporary Three-Stone Rings

Materials

Pink Diamond

5 Carat Amethyst, Tourmaline, Topaz, Peridot, Citrine and Diamond Ring
Located in Miami, FL
Delightful ring crafted in white gold featuring 12 heart shaped gemstones weighing approximately 5
Category

21st Century and Contemporary Unknown Modern Cocktail Rings

Materials

Amethyst, Citrine, Diamond, Peridot, Topaz, Tourmaline, 18k Gold, White ...

14K Yellow Gold over Silver Diamond Accent Filigree Heart Promise Ring- Size 5
Located in New York, NY
delicate filigree heart, meticulously detailed and encasing shimmering round-cut diamonds of natural origin
Category

21st Century and Contemporary Indian Modern Fashion Rings

Materials

Diamond, 14k Gold, Sterling Silver, Yellow Gold, Gold Plate

Vintage 2.00 Carat Yellow Sapphire Diamond 14 Karat Two-Tone Gold Heart Necklace
Located in Philadelphia, PA
Featuring a heart shaped pendant affixed to a spiga chain necklace Pendant centers a heart cut
Category

1990s Unknown Modern Pendant Necklaces

Materials

Diamond, Yellow Sapphire, Gold

.55 Carat Ruby Diamond Yellow Gold Heart Shape Pendant Necklace
Located in Stamford, CT
Heart shaped 14k yellow gold pendant set with 21 square cut rubies and a halo of full cut diamonds
Category

21st Century and Contemporary Pendant Necklaces

Materials

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

GIA Certified Heart Cut Diamond Engagement Ring 1.29 Carat
Located in Mayfair, London, London
the clarity is VS2 and is surrounded by a pave set heart shaped diamond halo. This is accentuated by a
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Adler Ring 18k gold Sri Lanka Sapphire Heart Shaped Diamond GRS Report
By Adler
Located in Beverly Hills, CA
A gorgeous Adler ring made of 18k gold, featuring a Sri Lanka sapphire and heart-shaped diamonds
Category

Vintage 1980s Swiss Three-Stone Rings

Materials

Diamond, Blue Sapphire, Sapphire, 18k Gold, Yellow Gold

Victorian Moonstone and 0.60 Total Carat Diamond Witch s Heart Pin/Pendant
Located in Narberth, PA
“bewitched” with love. An exquisite moonstone and diamond witch's heart pin/pendant from the Victorian (1880
Category

Antique 1880s Unknown Victorian Necklace Enhancers

Materials

Diamond, Moonstone, 18k Gold, Yellow Gold, Sterling Silver

14 Karat White Gold .60 Carat Diamond Heart Cluster Ring
Located in Baltimore, MD
14 Karat White Gold Diamond Heart Cluster Ring Size 5 Metal: 14k white gold Weight: 2.32 grams
Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, White Gold

1.00 Carat Diamond Two Tone Gold Pave Heart Mid-Century Pendant Necklace
Located in Stamford, CT
1960's heart shaped diamond pendant necklace. 73 round pave set diamonds totaling 1.00cts, set in
Category

Mid-20th Century Pendant Necklaces

Materials

Diamond, Gold, 14k Gold, White Gold, Yellow Gold

Chopard Happy Diamonds 18 Karat Gold 0.65 Carat Diamond and Pink Sapphire Heart
By Chopard
Located in Southampton, PA
The Chopard “Happy Diamonds” ring is made of 18K yellow gold and embellished with a heart-shaped
Category

21st Century and Contemporary Band Rings

Materials

Diamond, Yellow Gold

1ct Diamond Anniversary Band 5-Stone Vintage 14k White Gold Ring Hearts 6 Estate
Located in Torrance, CA
gold. Five estimated 0.20 carat round brilliant cut diamonds total an estimated 1 carat (estimated at
Category

Mid-20th Century Unknown Modern Band Rings

Materials

White Diamond, 14k Gold, White Gold

Messika Rose Gold Joy Cœur Heart Diamond Earrings 0.30ct 11562-PG
By Messika
Located in Mayfair, London, London
-carat heart-shaped diamond, totaling approximately 0.28ct, all well matched in colour and clarity. The
Category

2010s Unknown Stud Earrings

Materials

Diamond, Rose Gold

Messika Rose Gold Joy Cœur Heart Diamond Pendant 0.15ct 11437-PG
By Messika
Located in Mayfair, London, London
-carat heart-shaped diamond, totaling approximately 0.28ct, all well matched in colour and clarity. The
Category

2010s Unknown Pendant Necklaces

Materials

Diamond, Rose Gold

10kt White Gold and Diamond Heart Pendant
Located in Towson, MD
10kt white gold heart shaped pendant with .08tcw H-I color/SI1-SI2 Diamonds. The pendant measures
Category

2010s Pendant Necklaces

Materials

Diamond, 10k Gold, White Gold

10 Karat White Gold and Diamond Heart Pendant
Located in Towson, MD
10kt white gold heart shaped pendant with .08tcw H-I color/SI1-SI2 Diamonds. The pendant measures
Category

2010s Pendant Necklaces

Materials

Diamond, 10k Gold, White Gold

Kabana Opal Diamond Heart Leaf Dangle Earrings White Gold, 14k Round .15 Carat
By Kabana
Located in Greensboro, NC
earrings by Kabana! Composed of glistening 14k white gold, these earrings showcase a graceful heart-shaped
Category

21st Century and Contemporary Unknown Dangle Earrings

Materials

Diamond, Opal, 14k Gold, White Gold

GIA Certified Heart Colombian Emerald GIA VVS, F 1.12 Ct Each Diamond Earring
Located in New York, NY
featuring heart shaped Colombian emerald with round brilliant cut diamonds and two solitaire emerald cut
Category

Early 2000s Dangle Earrings

Materials

Diamond, Emerald, Platinum

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5 Carat Heart Shaped Diamonds For Sale on 1stDibs

On 1stDibs, there are many options to choose from in our inventory of 5 carat heart shaped diamonds. All of the items for sale were constructed with extraordinary care, often using Gold, 18k Gold and White Gold. Our collection of these items for sale includes 46 vintage editions and 162 modern creations to choose from as well. Our collection, which features older pieces for sale from the 19th Century and newer versions made as recently as the 21st Century, has proven very popular over the years. The designs in our inventory of 5 carat heart shaped diamonds bearing Contemporary or Modern hallmarks are very popular. Many examples in our inventory of these items are appealing no matter their origins, but Mark Broumand, Alberto and David Rosenberg produced popular versions that are worth a look. Today, if you’re looking for heart cut 5 carat heart shaped diamonds and are unable to find the perfect match, our selection also includes round cut and baguette cut alternatives. There aren’t many items for men in our collection of 5 carat heart shaped diamonds, as most of the options available are for women.

How Much are 5 Carat Heart Shaped Diamonds?

Prices for 5 carat heart shaped diamonds start at $501 and top out at $350,000 with these rings, on average, selling for $10,545.

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.