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Radiant 0.54ct Natural Round-Shaped Diamond - IGI Certified
Located in רמת גן, IL
Radiant 0.54ct Natural Round-Shaped Diamond - IGI Certified This captivating 0.54-carat round
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Brilliant 1.01ct Natural Oval-Shaped Diamond - IGI Certified
Located in רמת גן, IL
Brilliant 1.01ct Natural Oval-Shaped Diamond - IGI Certified This exceptional 1.01ct oval-cut
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Exquisite 1.50ct Natural Round-Shaped Diamond - IGI Certified
Located in רמת גן, IL
Exquisite 1.50ct Natural Round-Shaped Diamond - IGI Certified This 1.50-carat round diamond
Category

2010s Israeli Loose Gemstones

Materials

Diamond

IGI Certified 14.60 Carat Diamond Tennis Bracelet
By Diana M. Jewels
Located in New York, NY
Magnificent 14K White Gold Tennis Bracelet 14.60 Carat Diamonds, 36 Stones, 4-Prong, IGI G-H, SI-1
Category

21st Century and Contemporary Tennis Bracelets

Materials

Diamond, White Gold

Precious 1.00ct Heart-Shaped Natural Diamond - IGI Certified
Located in רמת גן, IL
Precious 1.00ct Heart-Shaped Natural Diamond - IGI Certified This 1.00ct heart-shaped diamond is a
Category

2010s Israeli Loose Gemstones

Materials

Diamond

IGI Certified - 2.13 Carats Fancy Yellow Diamond Ring
Located in Ramat Gan, IL
Introducing the epitome of luxury and elegance: our IGI Certified 2.13 Carats Fancy Yellow Diamond
Category

21st Century and Contemporary Israeli Engagement Rings

Materials

Diamond, Yellow Diamond, 18k Gold

Scorpio Zodiac Astrology Sign Pendant Necklace in 14k Solid Gold
Located in Chicago, IL
Manufacture: India Style: Chain, Charm, Pendant Base Metal: Yellow Gold Certification: IGI Diamond Clarity
Category

2010s Indian Pendant Necklaces

Materials

Diamond, Yellow Gold, Gold

Brilliant 1.52ct Natural Round-Shaped Diamond - IGI Certified
Located in רמת גן, IL
Brilliant 1.52ct Natural Round-Shaped Diamond - IGI Certified This exquisite 1.52ct round
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Solid 14K White Gold Bar Hook Earring Handmade Fine Jewelry
Located in Chicago, IL
Base Metal: White Gold Certification: 14K Hallmarked, IGI Diamond Clarity Grade: Slightly Included (SI1
Category

2010s Indian Chandelier Earrings

Materials

Diamond, White Gold, 14k Gold

IGI Certified 6.00 Ct Oval Cut Natural Diamonds
Located in New Delhi, Delhi
An perfect match of IGI Certified Natural Diamonds, in perfect oval cut , 3,00 carats each stone
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Filigree Heart Pendant Necklace in 14k Solid Gold
Located in Chicago, IL
: Chain, Charm, Pendant Base Metal: Yellow Gold Certification: IGI Diamond Clarity Grade: Slightly
Category

2010s Indian Pendant Necklaces

Materials

Diamond, Yellow Gold, 14k Gold, Gold

Capricorn Pendant Zodiac Necklace in 14k Solid Gold
Located in Chicago, IL
Manufacture: India Style: Chain, Charm, Pendant Base Metal: Yellow Gold Certification: IGI Diamond Clarity
Category

2010s Indian Pendant Necklaces

Materials

Diamond, Yellow Gold, Gold, 14k Gold

Astrology Libra Zodiac Necklace Open Pendant N98 in 14k Solid Gold
Located in Chicago, IL
Style: Chain, Charm, Pendant Base Metal: Yellow Gold Chain Type: Ball/Bead Certification: IGI Diamond
Category

2010s Indian Pendant Necklaces

Materials

Diamond, Yellow Gold, Gold, 14k Gold

Aries Sign Zodiac Pendant Necklace in 14k Solid Gold
Located in Chicago, IL
: Chain, Charm, Pendant Base Metal: Yellow Gold Chain Type: Ball/Bead Certification: IGI Diamond Clarity
Category

2010s Indian Pendant Necklaces

Materials

Diamond, Yellow Gold, Gold, 14k Gold

Virgo Sign Zodiac Pendant Necklace H7 in 14k Yellow Solid Gold
Located in Chicago, IL
Base Metal: Yellow Gold Chain Type: Ball/Bead Certification: IGI Diamond Clarity Grade: Slightly
Category

2010s Indian Pendant Necklaces

Materials

Diamond, Yellow Gold, Gold, 14k Gold

IGI Certified 5.00 Carat Pear Cut Natural Diamonds
Located in New Delhi, Delhi
An exclusive pair of IGI Certified Natural Diamonds, in perfect pear cut , of 2,50 + 2,50 =5 carats
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Radiant 6.13ct Pear-Shaped Natural Diamond - IGI Certified
Located in רמת גן, IL
Radiant 6.13ct Pear-Shaped Natural Diamond - IGI Certified Experience unparalleled brilliance with
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Dazzling 2.00ct Pair of Emerald Cut Diamonds - IGI Certified
Located in רמת גן, IL
Dazzling 2.00ct Pair of Emerald Cut Diamonds - IGI Certified A truly exceptional matched pair of
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Brilliant 2.02ct Pair of Round-Shaped Diamonds - IGI Certified
Located in רמת גן, IL
Brilliant 2.02ct Triple Excellent Ideal Cut Pair of Round-Shaped Diamond - IGI Certified A diamond
Category

2010s Israeli Loose Gemstones

Materials

Diamond

IGI 0.32Ct Natural Diamond Necklace in 18k gold
Located in Singapore, SG
from IGI (International Gemological Institute) stating that the diamonds are natural and provide
Category

21st Century and Contemporary Singaporean Art Deco Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

IGI Certified 2.29 Carat Yellow Diamond Cocktail Ring
Located in Hong Kong, HK
This big, beautiful ring features a natural 2.29 carats oval cut diamond, which is a N color VS1
Category

2010s Hong Kong Contemporary Cocktail Rings

Materials

Diamond, Yellow Diamond, 18k Gold, White Gold

Diamond Solitaire Pendant Necklace 18" - 950 Pear 4.43ct IGI
Located in Greensboro, NC
Metal Content: Platinum 950 Stone Information Natural Diamond Carat(s): 4.43ct Cut: Pear Color: E
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond

IGI Certified 4.00 Carats of Diamond Solitaire Ring
Located in New Delhi, Delhi
An exquisite solitaire ring in 18k gold , glamour and chic design, with a pear cut diamond of 4
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, 18k Gold

IGI Certified Rosecut 2.68ct Fancy Color Diamond and White Diamond ring
By HYT
Located in Hong Kong, HK
A stunning ensemble of rose-cut colored diamonds, featuring rare purple, green, and yellow hues
Category

2010s Hong Kong Art Deco Cocktail Rings

Materials

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

Infinity Heart Pendant Necklace in 14k Yellow Gold
Located in Chicago, IL
: IGI Diamond Clarity Grade: Slightly Included (SI1) Gemstone Clarity Grade: Eye Clean Setting Style
Category

2010s Indian Pendant Necklaces

Materials

Diamond, Yellow Gold

IGI Certified Diamond Ring 0.29 Carats 14K Rose Gold
Located in Punta Gorda, FL
It comes with the original IGI Certificate All Gemstones are Natural Diamonds = 0.29 Carats Cut
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

White Diamond, Diamond, Rose Gold, 14k Gold, Gold

IGI Certified Diamond Ring 0.29 Carats 14K Rose Gold
Located in Punta Gorda, FL
It comes with the original IGI Certificate All Gemstones are Natural Diamonds = 0.29 Carats Cut
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

White Diamond, Diamond, Rose Gold, 14k Gold, Gold

Timeless 0.67ct Diamonds Pave Ring in Platinum - IGI Certified
Located in רמת גן, IL
Timeless 0.67ct Diamonds Pave Ring in Platinum - IGI Certified Crafted in luxurious platinum, this
Category

2010s Israeli Engagement Rings

Materials

Diamond, Platinum

IGI Certified 0.92 Carat Round Brilliant Cut Loose Diamond
Located in New York, NY
0.92 Round Brilliant Cut Natural Loose Diamond IGI certified J / SI2 Polish: Very Good
Category

2010s American Loose Gemstones

Materials

Diamond

IGI Certified Diamond Ring 0.29 Carats 14K Rose Gold
Located in Punta Gorda, FL
It comes with the original IGI Certificate All Gemstones are Natural Diamonds = 0.29 Carats Cut
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Gold, 14k Gold, Rose Gold

IGI Certified Brown Diamond Ring Diamond Halo 3.53 Carats 18K Rose Gold
Located in Punta Gorda, FL
It comes with the IGI Certificate All Gemstones are Natural IGI Certified Brown Diamond = 3.01
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Brown Diamond, Gold, 18k Gold, Rose Gold

IGI Certified Brown Diamond Ring Diamond Setting 2.25 Carats 18K Yellow Gold
Located in Punta Gorda, FL
It comes with the original IGI Certificate All Gemstones are Natural IGI Certified Brown Diamond
Category

21st Century and Contemporary Contemporary Solitaire Rings

Materials

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

Vintage IGI Certified 3.32 Carats solitaire diamond ring
Located in Uccle, BE
Vintage solitaire diamond ring. A kind of classic design with a unique touch (the bicolor gold on
Category

21st Century and Contemporary Belgian Solitaire Rings

Materials

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

IGI Certified Diamond Ring 0.29 Carats 14K Rose Gold
Located in Punta Gorda, FL
It comes with the original IGI Certificate All Gemstones are Natural Diamonds = 0.29 Carats Cut
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Gold, 14k Gold, Rose Gold

IGI Certified Diamond Ring 0.29 Carats 14K Rose Gold
Located in Punta Gorda, FL
It comes with the original IGI Certificate All Gemstones are Natural Diamonds = 0.29 Carats Cut
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

White Diamond, Diamond, Rose Gold, 14k Gold, Gold

IGI certified 0.38carat Natual diamond Rare Gray Green Yellow
Located in bangkok, TH
D91 IGI certified Natual diamond Fancy Green Gray Yellow Weight:0.38ct/ Color: Green Gray
Category

2010s Loose Gemstones

Materials

Diamond

Capricorn Zodiac Pendant Necklace in 14k Solid Gold
Located in Chicago, IL
Certification: IGI Diamond Clarity Grade: Slightly Included (SI1) Setting Style: Prong Material: Gold, Diamond
Category

2010s Indian Pendant Necklaces

Materials

Diamond, Yellow Gold, Gold, 14k Gold

IGI Certified Diamond Ring 0.29 Carats 14K Rose Gold
Located in Punta Gorda, FL
It comes with the original IGI Certificate All Gemstones are Natural Diamonds = 0.29 Carats Cut
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Gold, 14k Gold, Rose Gold

14K Solid Gold Ear Jacket Earrings Triangle Shape Studs
Located in Chicago, IL
Gold Certification: BIS Hallmark, IGI Diamond Clarity Grade: Slightly Included (SI1) Setting Style
Category

2010s Indian Stud Earrings

Materials

Diamond, Yellow Gold, 14k Gold, Gold

IGI Certified White Gold Diamonds and Rubies Necklace
Located in Esch sur Alzette, Esch-sur-Alzette
This IGI Certified White Gold Necklace is a stunning blend of vintage-inspired charm and
Category

Mid-20th Century Italian Retro Choker Necklaces

Materials

Diamond, Ruby, 18k Gold, White Gold

14K Solid Gold D Shape Earring Handmade for Women
Located in Chicago, IL
Base Metal: Yellow Gold Certification: BIS Hallmark, IGI Diamond Clarity Grade: Slightly Included (SI1
Category

2010s Indian Stud Earrings

Materials

Diamond, Yellow Gold, 14k Gold, Gold

IGI Certified Brown Diamond Ring Diamond Halo 3.53 Carats 18K Rose Gold
Located in Punta Gorda, FL
It comes with the IGI Certificate All Gemstones are Natural IGI Certified Brown Diamond = 3.01
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Brown Diamond, Gold, 18k Gold, Rose Gold

IGI Certified Brown Diamond Ring Diamond Setting 2.25 Carats 18K Yellow Gold
Located in Punta Gorda, FL
It comes with the original IGI Certificate All Gemstones are Natural IGI Certified Brown Diamond
Category

21st Century and Contemporary Contemporary Solitaire Rings

Materials

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

IGI certified 2.40 Carat Colombian Emerald Diamond Ring
Located in KOWLOON, HK
Introducing a truly captivating piece of jewelry, the IGI certified 18K white gold 2.40 Carat
Category

2010s Hong Kong Modern Cocktail Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

IGI Certified Diamond Ring 0.29 Carats 14K Rose Gold
Located in Punta Gorda, FL
It comes with the original IGI Certificate All Gemstones are Natural Diamonds = 0.29 Carats Cut
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Gold, 14k Gold, Rose Gold

IGI Certified Brown Diamond Ring Diamond Halo 3.53 Carats 18K Rose Gold
Located in Punta Gorda, FL
It comes with the IGI Certificate All Gemstones are Natural IGI Certified Brown Diamond = 3.01
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Brown Diamond, Gold, 18k Gold, Rose Gold

IGI Certified Brown Diamond Ring Diamond Setting 2.25 Carats 18K Yellow Gold
Located in Punta Gorda, FL
It comes with the original IGI Certificate All Gemstones are Natural IGI Certified Brown Diamond
Category

21st Century and Contemporary Contemporary Solitaire Rings

Materials

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

IGI Certified Diamond Ring 0.29 Carats 14K Rose Gold
Located in Punta Gorda, FL
It comes with the original IGI Certificate All Gemstones are Natural Diamonds = 0.29 Carats Cut
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

White Diamond, Diamond, Rose Gold, 14k Gold, Gold

IGI Certified Brown Diamond Ring Diamond Halo 3.53 Carats 18K Rose Gold
Located in Punta Gorda, FL
It comes with the IGI Certificate All Gemstones are Natural IGI Certified Brown Diamond = 3.01
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Brown Diamond, Gold, 18k Gold, Rose Gold

IGI Certified Diamond Ring 0.29 Carats 14K Rose Gold
Located in Punta Gorda, FL
It comes with the original IGI Certificate All Gemstones are Natural Diamonds = 0.29 Carats Cut
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Gold, 14k Gold, Rose Gold

IGI Certified Diamond Ring 0.29 Carats 14K Rose Gold
Located in Punta Gorda, FL
It comes with the original IGI Certificate All Gemstones are Natural Diamonds = 0.29 Carats Cut
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Gold, 14k Gold, Rose Gold

IGI Certified 1 Carat Cushion Diamond Solitaire Ring
Located in Napoli, NA
Set with a 1.02 ct. Cushion diamond in a brilliant white and yellow 18 k gold setting, it has a
Category

Late 20th Century Engagement Rings

Materials

Diamond, 18k Gold, Silver

IGI Certified Brown Diamond Ring Diamond Halo 3.53 Carats 18K Rose Gold
Located in Punta Gorda, FL
It comes with the IGI Certificate All Gemstones are Natural IGI Certified Brown Diamond = 3.01
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Brown Diamond, Gold, 18k Gold, Rose Gold

IGI Certified Brown Diamond Ring Diamond Setting 2.25 Carats 18K Yellow Gold
Located in Punta Gorda, FL
It comes with the original IGI Certificate All Gemstones are Natural IGI Certified Brown Diamond
Category

21st Century and Contemporary Contemporary Solitaire Rings

Materials

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

IGI Certified Brown Diamond Ring Diamond Halo 3.53 Carats 18K Rose Gold
Located in Punta Gorda, FL
It comes with the IGI Certificate All Gemstones are Natural IGI Certified Brown Diamond = 3.01
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Brown Diamond, Gold, 18k Gold, Rose Gold

IGI Certified Brown Diamond Ring Diamond Setting 2.25 Carats 18K Yellow Gold
Located in Punta Gorda, FL
It comes with the original IGI Certificate All Gemstones are Natural IGI Certified Brown Diamond
Category

21st Century and Contemporary Contemporary Solitaire Rings

Materials

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

14k Gold Diamond Ring IGI Certified Diamond Ring Round Solitaire Diamond Ring
Located in Delhi, DL
- Yes Diamond weight- .32ct Diamond color-G- H Diamond Clarity- I1 Diamond Cut- Excellent cut Lab- IGI
Category

2010s Indian Classical Roman Engagement Rings

Materials

Diamond, 14k Gold

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Igi Diamonds For Sale on 1stDibs

On 1stDibs, there are many options to choose from in our inventory of igi diamonds. Frequently made of Gold, White Gold and 14k Gold, these items were constructed with great care. Our collection of these items for sale includes 30 vintage editions and 202 modern creations to choose from as well. Our inventory has long been popular, and it includes earlier versions that date to the 19th Century and newer variations that were made as recently as the 21st Century. Modern and Contemporary are consistently popular styles when it comes to igi diamonds. Many examples in our inventory of these items are appealing no matter their origins, but Privosa Fine Jewelry, Antinori Fine Jewels and Fine Jewels UK produced popular versions that are worth a look. Today, if you’re looking for round cut igi diamonds and are unable to find the perfect match, our selection also includes oval cut and emerald cut alternatives. Most of our igi diamonds for sale are for women, but there are 112 pieces available to browse for men.

How Much are Igi Diamonds?

Prices for igi diamonds can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $395 and can go as high as $250,000, while igi diamonds, on average, fetch $4,800.

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.