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GIA Certified 5.01 Carat Oval Cut Diamond F Color VVS1 Clarity Ring
By Antinori Fine Jewels
Located in Chicago, IL
18K white gold with pear shaped side diamonds it offers a graceful and balanced silhouette. At its
Category

2010s Unknown Contemporary Three-Stone Rings

Materials

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

GIA Certified 2.06 Carat Round Cut Diamond VVS1 Clarity Ring in Platinum
By Antinori Fine Jewels
Located in Chicago, IL
meaningful moments. At its heart lies a dazzling 2.06 carat round cut diamond, GIA certified for its
Category

2010s Unknown Contemporary Three-Stone Rings

Materials

Diamond, White Diamond, Platinum

GIA Certified 5.01 Carat Emerald Cut Diamond Engagement Ring in Platinum
By Antinori Fine Jewels
Located in Chicago, IL
This exquisite GIA certified 5.01 Carat Emerald Cut Diamond engagement ring is a timeless symbol of
Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, White Diamond, Platinum

GRS Certified 9.89 Carat Burmese Blue Cushion NO HEAT Diamond Ring
By Antinori Fine Jewels
Located in Chicago, IL
Discover the exquisite allure of burmese sapphires, renowned for their unparalleled saturation and velvety glow, a true marvel of nature. Once sourced from original mines now deplete...
Category

2010s Unknown Contemporary Solitaire Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire

GIA Certified 5.01 Carat Sq.Emerald Cut Diamond F Color Ring with tapered baguet
By Antinori Fine Jewels
Located in Chicago, IL
Presenting a remarkable 5.01 carat GIA-certified natural diamond, expertly cut in a Square Emerald
Category

2010s American Contemporary Three-Stone Rings

Materials

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

C.Dunaigre 8.89 Carat Colombian Emerald and Diamond Ring in Platinum
By Antinori Fine Jewels
Located in Chicago, IL
8.89 Carat Colombian Emerald and Diamond Ring in Platinum An exquisite 8.89 carat vivid green
Category

2010s Italian Modern Cocktail Rings

Materials

Diamond, Emerald, Platinum

GIA Certified 3.01 Carat Emerald Cut Diamond E Color IF Clarity with trapezoid
By Antinori Fine Jewels
Located in Chicago, IL
This exquisite GIA-certified ring features a stunning 3.01 carat emerald cut diamond at its center
Category

2010s Unknown Contemporary Engagement Rings

Materials

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

5 Carat Asscher Diamond Cut Hoop Earrings
By Antinori Fine Jewels
Located in Chicago, IL
luxury and craftsmanship. Each earring is adorned with 36 Natural Square Carre Cut Diamonds, totaling 72
Category

2010s Unknown Contemporary Hoop Earrings

Materials

Diamond, 14k Gold, White Gold

5 Carat Asscher Diamond Cut Hoop Earrings
5 Carat Asscher Diamond Cut Hoop Earrings
$15,200 Sale Price / item
20% Off
Mid-Century Platinum Ring with 4.15ct GIA Old Cut Diamond Tapered Baguettes
By Antinori Fine Jewels
Located in Chicago, IL
Antinori showcases a truly exceptional 4.15 carat GIA-certified old transitional cut diamond. Crafted in
Category

Vintage 1950s American Art Deco Engagement Rings

Materials

Diamond, Platinum

22 Carat Round Brilliant Cut Diamonds White Gold Tennis Necklace
By Antinori Fine Jewels
Located in Chicago, IL
22.8 ct Round Brilliant Cut Diamond Riviera Diamond Line Necklace in 18K White Gold 17". The
Category

2010s Unknown Contemporary Multi-Strand Necklaces

Materials

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

GUBELIN Certified 9 Carat Blue Sapphire Diamond Ring
By Antinori Fine Jewels
Located in Chicago, IL
Exceptional Certified 9 Carat Blue Sapphire Diamond Ring Exceptional Certified 9 Carat Blue
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

GIA Certified 5 Carat Cushion Cut VS Diamond Engagement Ring
By Antinori Fine Jewels
Located in Chicago, IL
Elevate your love story with this exquisite GIA Certified 5 Carat Cushion Cut I Color VS1 Diamond
Category

2010s Unknown Modern Solitaire Rings

Materials

Diamond, White Diamond, 18k Gold

GIA Certified 17 Carat Sugarloaf Emerald and Diamond Cocktail Ring in 18KT
By Antinori Fine Jewels
Located in Chicago, IL
GIA Certified 17 Carat Sugarloaf Emerald and Diamond Cocktail Ring in 18 Karat White Gold Immerse
Category

2010s Italian Contemporary Solitaire Rings

Materials

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

GIA Certified 5.11 Carat Emerald Cut Diamond Engagement Ring in 18K Yellow Gold
By Antinori Fine Jewels
Located in Chicago, IL
enhance the warmth and brilliance of its design. Its minimalist composition allows the central diamond to
Category

2010s Unknown Contemporary Engagement Rings

Materials

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

GIA Certified Princess Brilliant Cut Diamond Solitaire Ring
By Antinori Fine Jewels
Located in Chicago, IL
1.7 ct Princess Brilliant Cut Diamond Solitaire White Gold Engagement Ring. The ring weighs 2.6
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, Emerald

1950 s Ruby Diamond Cocktail 18k White Gold Ring
By Antinori Fine Jewels
Located in Chicago, IL
Presenting a mesmerizing ruby and diamond ring that captivates with its stunning design, featuring
Category

Vintage 1950s Unknown Contemporary Engagement Rings

Materials

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

GIA Certified 12.17 Carat Fancy Yellow Cushion Cut Diamond Platinum Ring
By Antinori Fine Jewels
Located in Chicago, IL
Unparalleled luxury with our remarkable GIA Certified 12.17 Carat Cushion Modified Diamond. Graced
Category

2010s Unknown Contemporary Engagement Rings

Materials

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

AGL Certified 22 Carat Emerald Diamond with trapeozid ring
By Antinori Fine Jewels
Located in Chicago, IL
Exquisite 22-Carat Zambian Emerald and Diamond Ring – AGL Certified This breathtaking ring
Category

2010s Unknown Contemporary Three-Stone Rings

Materials

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

GIA Certified 40 Carat Emerald Cut Diamond Riviera Necklace
By Antinori Fine Jewels
Located in Chicago, IL
40 Carats Emerald Cut Diamond Riviera Necklace This necklace has a total of 120 GIA certified
Category

2010s Italian Modern Chain Necklaces

Materials

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

GIA 1 Carat Cushion Brilliant Cut Diamond Double Halo Pendant / Necklace 16".
By Antinori Fine Jewels
Located in Chicago, IL
1.40 ct Total Weight 18K White Cushion Brilliant Cut Diamond Double Halo Pendant / Necklace 16
Category

2010s Unknown Chain Necklaces

Materials

Diamond, White Diamond, 14k Gold

GRS Certified 10 Carat Pear Cut NO OIL Emerald Diamond Earrings
By Antinori Fine Jewels
Located in Chicago, IL
embellished with two round diamonds, GIA certified with the following specifications: The mounting is made in
Category

2010s Italian Modern Dangle Earrings

Materials

Diamond, White Diamond, Emerald

GIA Certified 5 Carat Round Brilliant Cut G VS Diamond Ring
By Antinori Fine Jewels
Located in Chicago, IL
EXCEPTIONAL GIA Certified 5 Carat Round Brilliant Cut G Color Diamond Ring VS2 G COLOR
Category

2010s Italian Modern Clip-on Earrings

Materials

Diamond, White Diamond

GIA Certified 4.71 Carat Pear Cut Diamond Ring with pavè
By Antinori Fine Jewels
Located in Chicago, IL
Embrace the epitome of luxury with this GIA Certified 4.71 Carat Pear Cut Diamond Ring adorned with
Category

2010s Unknown Contemporary Solitaire Rings

Materials

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

GIA Certified 12.30 Ct Type IIa Round Brilliant Cut Diamond Engagement Ring
By Antinori Fine Jewels
Located in Chicago, IL
12.30 Carat Type IIa Round Brilliant Cut Diamond Engagement Ring – 18K Yellow Gold & Platinum This
Category

2010s American Contemporary Solitaire Rings

Materials

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

GIA Certified 2 Carat Emerald Cut Diamond Platinum Ring
By Antinori Fine Jewels
Located in Chicago, IL
GIA Certified 2 Carat Emerald Cut Diamond Platinum Ring
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, Emerald, Platinum

GIA Certified 5.02 Carat Fancy Yellow Cushion Cut Diamond Ring with Trillion
By Antinori Fine Jewels
Located in Chicago, IL
This exquisite ring showcases a stunning 5.02 carat cushion cut diamond with a GIA certified Fancy
Category

2010s Unknown Contemporary Engagement Rings

Materials

Yellow Diamond, White Diamond, Diamond, Yellow Gold, White Gold, 18k Gol...

GIA Certified 12.34 Carat Fancy Light Yellow Cushion Cut Diamond Ring
By Antinori Fine Jewels
Located in Chicago, IL
Introducing the breathtaking GIA Certified 12.34 Carat Fancy Light Yellow Cushion Cut Diamond Ring
Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, White Diamond, Yellow Diamond, Gold, 18k Gold, White Gold, Yell...

GIA Certified 3.10 Carat Cushion Cut Diamond E Color Engagement Ring in Platinum
By Antinori Fine Jewels
Located in Chicago, IL
This graceful engagement ring showcases a GIA certified 3.10 carat cushion cut diamond set in
Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, White Diamond, Platinum

GIA Certified 5 Carat Round Brilliant Cut Diamond Solitaire Ring
By Antinori Fine Jewels
Located in Chicago, IL
5.06 ct Round Brilliant Cut Diamond Solitaire Platinum Engagement Ring. The ring weighs 7.7 grams
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond

GIA Certified 2 Carat Fancy Light Yellow Diamond 18K Gold Double Halo Ring
By Antinori Fine Jewels
Located in Chicago, IL
18K Yellow and White Gold 2 Carat Fancy Light Yellow Diamond Double Halo Ring This stunning ring
Category

2010s Unknown Contemporary Engagement Rings

Materials

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

GIA Certified 4 Carat Emerald Cut Diamond Ideal Proportions
By Antinori Fine Jewels
Located in Chicago, IL
Presenting an exquisite GIA-certified emerald-cut diamond ring that radiates sophistication and
Category

2010s Unknown Contemporary Engagement Rings

Materials

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

GIA Certified 6 Emerald Cut Diamond Engagement Ring Platinum
By Antinori Fine Jewels
Located in Chicago, IL
The GIA Certified emeralad cut center diamond is bright white with an E color grade and boasts
Category

2010s Contemporary Engagement Rings

Materials

Diamond, Platinum

GRS Burma Certified 4.57 Carat Oval Ruby Diamond Platinum Ring
By Antinori Fine Jewels
Located in Chicago, IL
GRS Switzerland Burma Certified 4.57 Carat Oval Ruby Diamond Platinum Ring
Category

2010s Italian Modern Solitaire Rings

Materials

Diamond, White Diamond, Ruby, Platinum

AGL Certified Princess Brilliant Cut Diamond Solitaire Engagement Ring
By Antinori Fine Jewels
Located in Chicago, IL
14K White Gold & Princess Brilliant Cut Diamond Solitaire Engagement Ring. The ring weighs 3.1
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

16.50 Carat Diamond Teardrop Earrings in 18 Karat White Gold
By Antinori Fine Jewels
Located in Chicago, IL
16.50 Carat Diamond Teardrop Earrings in 18 Karat White Gold Description Of elegant teardrop
Category

2010s American Contemporary Chandelier Earrings

Materials

Diamond, 18k Gold, White Gold

GIA Certified 4 Carat Oval Cut Diamond Solitaire Engagement Ring
By Antinori Fine Jewels
Located in Chicago, IL
Presenting an exquisite diamond ring featuring a GIA certified 4-carat oval diamond, whose visual
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, 18k Gold

Graduated Tennis Necklace in with 3-Prong Set Round Diamonds
By Antinori Fine Jewels
Located in Chicago, IL
This stunning and impressive Riviera Necklace features substantial Diamond weight of 25 Carats in
Category

2010s Italian Modern Link Necklaces

Materials

Diamond, White Diamond, White Gold

GRS Certified Vivid Green Colombian Emerald Diamond Yellow Gold Earrings
By Antinori Fine Jewels
Located in Chicago, IL
clarity diamonds, each crafted for optimal brilliance and sparkle. The earrings feature la pousette backs
Category

2010s Unknown Contemporary Stud Earrings

Materials

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

Rose Gold Round Brilliant Cut Diamond Halo Engagement Ring
By Antinori Fine Jewels
Located in Chicago, IL
Rose Gold Round Brilliant Cut Diamond Halo Engagement Ring. The ring weighs 3.6 grams, size 7
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, 14k Gold, Rose Gold

Heart-Shaped Ruby and Diamond 4.00 Carat Ring in 18K Yellow Gold
By Antinori Fine Jewels
Located in Chicago, IL
Heart-Shaped Ruby and Diamond 4.00 Carat Ring in 18K Yellow Gold A captivating jewel of timeless
Category

2010s Italian Contemporary Solitaire Rings

Materials

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

GRS GIA Certified 7.15 Carat Ceylon Ruby Half moon diamond ring
By Antinori Fine Jewels
Located in Chicago, IL
An exquisite 7.15 carat cushion ruby certified by GRS, GIA ceylon origin side diamonds are half
Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, White Diamond, Ruby

GIA Certified 2.21 Carat D VS2 Cushion Cut Diamond Platinum Engagement Ring
By Antinori Fine Jewels
Located in Chicago, IL
diamond, certified by GIA with the prestigious D color and VS2 clarity. The stone displays exceptional
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Platinum

Trillion Cut Morganite Round Cut Diamond Halo Pendant Necklace
By Antinori Fine Jewels
Located in Chicago, IL
Trillion Cut Morganite & Round Cut Diamond Halo Pendant / Necklace 20" Inches in 14K Yellow Gold.
Category

2010s Italian Modern Link Necklaces

Materials

Diamond, White Diamond, Morganite, White Gold, Yellow Gold

GRS Certified 7.30 Carat VIVID Green Emerald Half moon Diamond ring
By Antinori Fine Jewels
Located in Chicago, IL
An exquisite 7.30 oval green vivid green emerald certified by GRS zambian origin side diamonds
Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, White Diamond, Emerald

GIA Certified 4.03 Carat Emerald Cut Diamond VVS2 Clarity with Tapered Baguette
By Antinori Fine Jewels
Located in Chicago, IL
proportions. At the center lies a 4.03 carat emerald cut diamond, a shape celebrated for its clean lines and
Category

2010s Unknown Contemporary Engagement Rings

Materials

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

GRS Certified 6.50 Carat Burma Unheated Ruby Diamond Ring
By Antinori Fine Jewels
Located in Chicago, IL
GRS 6.50 carat certified oval cut ruby is completely unheated and displays striking, vibrant red color! The ruby is certified by GRS, the premier gemological authority. GRS determine...
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, Ruby, Platinum

GIA Certified 8.30 Carat Emerald Cut Diamond Engagement Ring with trapezoid
By Antinori Fine Jewels
Located in Chicago, IL
This impressive three stone engagement ring features a commanding 8.30 carat emerald cut diamond
Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, White Diamond, Platinum

38 Carat Tennis Necklace Brooch Baguette Round Brilliant Cut Diamonds
By Antinori Fine Jewels
Located in Chicago, IL
very nice and modern designed brooch with baguette diamonds. All diamonds are VS/VVS clarity color is F
Category

2010s Unknown Contemporary Choker Necklaces

Materials

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

GIA Certified 3.02 Carat Square Emerald Cut Diamond Solitaire Engagement Ring
By Antinori Fine Jewels
Located in Chicago, IL
diamond, set in luxurious platinum. The diamond boasts a color grade of G, offering a bright and
Category

2010s Unknown Contemporary Solitaire Rings

Materials

Diamond, White Diamond, Platinum

GIA Certified 6.01 Carat Oval Cut Diamond Solitaire Ring in Platinum with Pavè
By Antinori Fine Jewels
Located in Chicago, IL
This refined engagement ring showcases a GIA certified 6.01 carat oval cut diamond, set in sleek
Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, White Diamond, Platinum

IMPRESSIVE Pink Morganite 115 Carat Pendant Diamond Necklace
By Antinori Fine Jewels
Located in Chicago, IL
Introducing a stunning Pink Morganite and Diamond Pendant crafted in luxurious 18 karat white gold
Category

2010s Italian Modern Pendant Necklaces

Materials

Diamond, Morganite, 18k Gold

GRS Certified 6.71 Carats VIVID Green MINOR OIL Emerald Diamond Platinum Ring
By Antinori Fine Jewels
Located in Chicago, IL
Indulge in the elegance of this Antinori di Sanpietro platinum ring, where luxury meets perfection
Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, Emerald, Platinum

C. Dunaigre Certified 4.07 Carat Colombian Emerald Diamond Ring
By Antinori Fine Jewels
Located in Chicago, IL
Exquisite 4.07-Carat Colombian Emerald and Diamond Ring This breathtaking ring showcases a
Category

2010s American Contemporary Solitaire Rings

Materials

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

GIA Certified 5 Carat Fancy Yellow Radiant Cut Diamond Ring VVS1 Clarity
By Antinori Fine Jewels
Located in Chicago, IL
Amazing GIA Certified natural 5 carat fancy yellow vvs1 clarity radiant cut diamond ring with two
Category

2010s Unknown Contemporary Engagement Rings

Materials

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

GIA Certified 3.50 Carat Red Oval Ruby Diamond Ring
By Antinori Fine Jewels
Located in Chicago, IL
3.40 GIA certified oval cut ruby is completely unheated and displays striking, vibrant red color! The ruby is certified by GIA, the premier gemological authority. GIA determined the ...
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, Ruby, Platinum

Art Deco 1920 Old European Cut Diamond Solitaire Ring
By Antinori Fine Jewels
Located in Chicago, IL
Art Deco Bluebird 14K White Gold Old European Cut Diamond Solitaire Engagement Ring. The ring
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

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

C. Dunaigre Certified 6.84 Carat Colombian Emerald Diamond Ring
By Antinori Fine Jewels
Located in Chicago, IL
Exquisite 22-Carat Zambian Emerald and Diamond Ring – AGL Certified This breathtaking ring
Category

2010s American Contemporary Solitaire Rings

Materials

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

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Antinori Diamond For Sale on 1stDibs

Surely you’ll find the exact antinori diamond you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Frequently made of Gold, Platinum and 18k Gold, this item was constructed with great care. Find an antique version now, or shop for 1425 vintage or 1328 modern creation for a more contemporary example of these cherished accessories. Making the right choice when shopping for a antinori diamond may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 18th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. As it relates to this specific piece, our collection includes designs that are universally popular, but .5 Carat and 1 Carat carat weights, specifically, are sought with frequency. A round cut version of this piece has appeal, but there are also emerald cut and oval cut versions for sale. If you’re browsing our inventory for a antinori diamond, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is a Antinori Diamond?

On average, a antinori diamond at 1stDibs sells for $54,101, while they’re typically $872 on the low end and $475,940,000 for the highest priced versions of this item.

Antinori Fine Jewels for sale on 1stDibs

Nodding to tradition while embracing a tech-forward ethos, Antinori Fine Jewels has ascended to prominence with its collection of world-class diamonds and colored gemstones.

There is no paterfamilias shuffling in the background at the jewelry company, a 10-year-old luxury brand based in Rome that specializes in engagement rings and statement rings set with jumbo-size diamonds and colored gems of the highest order. Although all four founders — husband-and-wife duos Alessandra Antinori and Andrea Landolfi, and Alessandro Cutelli and Silvia D’Ambrosio — hail from small family jewelry businesses founded in the 1970s, Antinori Fine Jewels is an independent force. The dynamic quartet of mindsets and skill sets is united by a single goal: to take the business of making and selling high-end Italian jewels out of the past and into the present.

Before launching Antinori Fine Jewels, Alessandra Antinori — the company‘s international sales director and spokesperson — and her cofounders spent years acquiring experience in the jewelry centers of Rome.

“We have inherited from our parents the right connections with local jewelers, gemologists and artisans who still craft jewelry as they did one hundred years ago,” she tells 1stDibs.

The foursome is eager to develop and embrace any innovation that will help enrich their customers’ experience — and make the most exquisite examples of Italian jewelry readily available to a global audience.

Explore a range of rings, earrings, necklaces and other jewelry created by Antinori Fine Jewels 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.