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Diamond Rings

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Gemstone: Diamond
Style: Modern
GIA Certified BURMESE NO HEAT Red Ruby 7 Carat No Heat Ruby Diamond Ring
Located in Rome, IT
Amazing Natural 7 carat ruby diamond ring. The ring is an absolute marvel and has an exquisite halo of round brilliant cut diamonds. This ring is one of kind and considering the am...
Category

2010s Italian Modern Diamond Rings

Materials

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

18k White Gold Natural Diamond And Sapphire Decorated Ring
Located in Fatih/İstanbul, 34
In very good condition. Total weight is 3.3 grams. Totally is diamond 0.06 ct. The diamond is has H color and vs-s1 clarity. Totally is sapphire 0.15 ct. Ring size is US 8 (We offer ...
Category

Early 2000s European Modern Diamond Rings

Materials

Diamond, Sapphire, White Gold

6.21 Carats Natural Zambian Emerald Sugarloaf & Rose Cut Diamond Engagement Ring
Located in Hong Kong, HK
A very gorgeous and one of a kind, Emerald Engagement / Dome Ring set in 18K White Gold & Diamonds. The weight of the Emerald sugarloaf 6.21 carats. The Emerald is completely natural...
Category

21st Century and Contemporary Indian Modern Diamond Rings

Materials

Diamond, Emerald, 18k Gold

Platinum 4.00cttw Carre Cut Channel Set Diamond Eternity Ring
Located in New York, NY
This is a stunning channel set carre cut diamond eternity ring. It is crafted in luxurious platinum, featuring a remarkable channel set...
Category

20th Century American Modern Diamond Rings

Materials

Diamond, Platinum

Real 1.35 Ct Three Oval Diamond Wedding Ring 18 Karat Solid White Gold Jewelry
Located in IN
Celebrate eternal love with this exquisite 1.35 Ct Three Oval Diamond Wedding Ring, crafted with meticulous attention to detail in 18 Karat Solid White Gold. A timeless symbol of com...
Category

21st Century and Contemporary Indian Modern Diamond Rings

Materials

Diamond, 18k Gold, White Gold

Sapphire Diamond Ring Cabochon Sapphire ring 14KT white gold ring NATURAL gems
Located in Jupiter, FL
Sapphire diamond ring in 14KT white gold. ITEM#: MFI 200-00041 GRAM WEIGHT: 2.33gr GOLD: 14KT white gold SIZE: 8 (can be re-sized) NATURAL DIAMOND(S) Cut: Square Brilliant Color: F ...
Category

21st Century and Contemporary North American Modern Diamond Rings

Materials

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

Cartier 18K White Gold Diamond And Sapphire Dove Les Oiseaux Libérés EU 55 Ring
Located in New York, NY
Step into the enchanting world of Cartier with the exquisite Cartier Les Oiseaux Libérés Diamond Ring, a rare treasure that captures the essence of elegance and grace. Meticulously...
Category

2010s French Modern Diamond Rings

Materials

Diamond, Sapphire, White Gold

Natural Rubellite & Diamonds Engagement/ Bridal Ring Set in 18K Rose Gold
Located in Hong Kong, HK
A very gorgeous and dainty, Rubellite Engagement/ Bridal Ring set in 18K Rose Gold & Diamonds. The weight of the Rubellite is 0.97 carats. The weight o...
Category

2010s Indian Modern Diamond Rings

Materials

Diamond, Rubelite, 18k Gold, Rose Gold

Heart Shaped Diamond and Platinum Engagement Ring
Located in Hong Kong, HK
A cute combination of two Heart Shaped White Diamonds weighing 0.22 carat, showcasing a unique "toi et moi" concept. It is simple enough for everyday wear, while also proving to be a...
Category

2010s Hong Kong Modern Diamond Rings

Materials

Diamond, Platinum

Diamond Purple Sapphire Ring 2 TCW 14k Gold Certified
Located in Brooklyn, NY
Natural Finely Faceted Quality Sapphire Diamond Ring 1.99 TCW 14k Gold Women Certified $4,925 915192 This is a Unique Custom Made Glamorous Piece of Jewelry! Nothing says, “I Love ...
Category

2010s American Modern Diamond Rings

Materials

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

GIA Certified 3.50 Carat Fancy VIVID Yellow Asscher Cut Diamond Ring
Located in Rome, IT
This exquisite ring is centered around a magnificent 3.50 ct Asscher-cut diamond, a true masterpiece of design and craftsmanship. The diamond, certified by the Gemological Institute ...
Category

2010s Unknown Modern Diamond Rings

Materials

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

David Webb Platinum & 18K Yellow Gold Coral, Onyx And Diamond Cocktail Ring
Located in New York, NY
Indulge in the exquisite allure of this David Webb Platinum & 18K Yellow Gold Coral, Onyx, and Diamond Ring. The harmonious blend of vibrant coral and deep onyx creates a captivating...
Category

20th Century American Modern Diamond Rings

Materials

Onyx, Coral, Diamond, Enamel, Platinum, Yellow Gold, 18k Gold

Tiffany & Co. Royal Blue Sapphire Calibre Diamond Solitaire Engagement Ring
Located in Rome, IT
An exquisite Tiffany & Co. engagement solitaire ring set with calibre royal blue diamonds and round brilliant cut diamonds set in solid platinum
Category

2010s American Modern Diamond Rings

Materials

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

Alexander Beverly Hills 0.80 Carat Diamond Eternity Band 18 Karat Rose Gold 6.5
Located in BEVERLY HILLS, CA
Timeless diamond eternity band / wedding ring, full band. 31 round brilliant diamonds, 0.80 carats total. Approximately G/H color and SI clarity. Set in 18k rose gold, size 6.5. Acc...
Category

21st Century and Contemporary American Modern Diamond Rings

Materials

Diamond, 18k Gold, Rose Gold

14k White Gold Emerald Cut and Round Cut Diamond Eternity Eternity Band
Located in New York, NY
Newly made this classic emerald cut and round cut diamond eternity band is an excellent choice if you are shopping for an exciting wedding band or an anniversary ring. Crafted in 14k...
Category

20th Century American Modern Diamond Rings

Materials

Diamond, Emerald, 14k Gold, White Gold

New Made 18k Gold Natural Diamond Decorated Pretty Ring
Located in Fatih/İstanbul, 34
In very good condition. Total weight is 3.8 grams. Totally is main diamond 0.44 ct. The main stone is has H color and s3 clarity. Totally is side diamond 0.33 ct. The side diamond is...
Category

2010s Turkish Modern Diamond Rings

Materials

Diamond, 18k Gold

Alexander GIA Certified 3.24ctt Toi et Moi Pear Diamonds Pave Bypass Ring
Located in BEVERLY HILLS, CA
Stunning modern floating diamond bypass toi et moi ring, both stones GIA certified. High jewelry Alexander Beverly Hills. 3.24 carats total dia...
Category

2010s American Modern Diamond Rings

Materials

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

Tiffany & Co. 2 Carat Soleste Round Brilliant Cut Diamond Solitaire Ring
Located in Rome, IT
Exquisite symbol of everlasting love: The Tiffany & Co. Platinum Halo Engagement Ring featuring a breathtaking 2.27 ct Round Diamond. Crafted with precision and elegance, this ring ...
Category

Early 2000s American Modern Diamond Rings

Materials

Diamond, White Diamond, Platinum

2.01 Carat Natural Burmese Ruby Ring Set in Platinum Certified by GIA
Located in Tokyo, JP
A beautiful Engagement Ring featuring a 2.01 Carat, GIA Certified, Natural, Burmese Heated Ruby and 0.29 Carats of Round Brilliant Diamond Accents se...
Category

21st Century and Contemporary Japanese Modern Diamond Rings

Materials

Ruby, Diamond, Platinum

14K Yellow Gold Snake Ring with Red Enamel
Located in New York, NY
14K Yellow Gold Snake Ring with Red Enamel This stunning snake ring is crafted from 14K yellow gold and features a vibrant red enamel finish. The snake's head is adorned with 0.1TCW...
Category

21st Century and Contemporary Modern Diamond Rings

Materials

Diamond, 14k Gold, Yellow Gold, Enamel

GIA Certified 6 Carat Round Brilliant Cut Diamond Ring
Located in Rome, IT
GIA Certified 6.24 Carat round Diamond Solitaire Engagement Ring g Color vs1 Clarity Excellent polish excellent symmetry faint fluorescence
Category

2010s Italian Modern Diamond Rings

Materials

Diamond, White Diamond, Platinum

David Webb Carved Smooth Purple Amethyst, Green Enamel And Diamond Ring
Located in New York, NY
Since 1948, David Webb has carried forward a rich tradition of design,craftsmanship and creativity as an ICONIC American jewelry house. This is one of a few carved amethyst rings...
Category

20th Century American Modern Diamond Rings

Materials

Diamond, Amethyst, Enamel, Yellow Gold, 18k Gold

Platinum Diamond And Green Emerald Toi Et Moi Flower Cocktail Ring
Located in New York, NY
Indulge in the captivating allure of this exquisite handmade platinum cocktail ring, an enchanting masterpiece meticulously crafted in our workshop. The ring showcases a mesmerizing ...
Category

21st Century and Contemporary American Modern Diamond Rings

Materials

Diamond, Emerald, Platinum

Diamond orange Ring cushion Cut with 2 Diamond with certificat ! NEW
Located in Denia, VC
This exceptional certified ring NEW ! composed of a superb fancy Deep orange diamond of 0.8 Ct carats certified IGI 2023 made in 18 carat white gold. The harmonious structure mount...
Category

2010s Italian Modern Diamond Rings

Materials

Diamond, White Diamond, 18k Gold

GRS Certified 11 Carat Ceylon Cushion Sapphire UNHEATED Diamond Ring
Located in Rome, IT
GRS Certified 11 Carat Ceylon Cushion Sapphire UNHEATED Diamond Ring
Category

2010s Italian Modern Diamond Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Platinum Asscher Cut Diamond Double Pave Halo And Split Shank Ring
Located in New York, NY
The handmade ring features a magnificent Asscher cut diamond embraced by a double pave halo, elegantly mounted on a split shank. Let's delve into the details that make this ring a tr...
Category

21st Century and Contemporary American Modern Diamond Rings

Materials

Diamond, Platinum

1.02 Carat Oval Diamond Halo Engagement Ring, 14 Carat White Gold
Located in Addison, TX
This Beautiful Brand New Custom made ring is a 1.02 Carat Oval Diamond White Gold Halo Engagement Ring, with accenting diamonds pave set down the sides. Currently a Size 6, Free Siz...
Category

2010s Unknown Modern Diamond Rings

Materials

Diamond, 14k Gold, White Gold

Oval Shaped Eternity Ring
Located in New York, NY
This stunning Oval Shaped Eternity Ring is a true beauty. It features seven oval bezels, each holding pairs of two round white diamonds, totaling 0.39 carats of weight. The diamonds ...
Category

2010s Indian Modern Diamond Rings

Materials

White Diamond, 18k Gold, White Gold

David Webb 18K Yellow Gold Cabochon Turquoise And Diamond Ring
Located in New York, NY
Residing on the coastline infuses an affinity for the ocean's captivating palette. The various shades of blue harmonize effortlessly, and it's in this coastal essence that turquoise ...
Category

20th Century American Modern Diamond Rings

Materials

Turquoise, Diamond, Platinum, Yellow Gold, 18k Gold

GIA Certified 2.02 Carat Blue Diamond Cocktail Engagement Ring / Pendant
Located in Bangkok, Thailand
An exquisite GIA certified 2.02 carat cushion shaped Blue Diamond center stone, SI2 clarity, faint blue color - with VS quality white diamonds surrounding i...
Category

21st Century and Contemporary Modern Diamond Rings

Materials

Blue Diamond, Gold, 18k Gold

New Made 8k Gold Natural Diamond Decorated Cocktail Ring
Located in Fatih/İstanbul, 34
In very good condition. Total weight is 5.5 grams. Totally Brilliant cut diamond is about 0.14 carat. Totally is rose cut diamond 0.16 carat. The diamond is has H color vs clarity....
Category

2010s Turkish Modern Diamond Rings

Materials

Diamond, Gold

Simon G Cushion Brilliant Cut diamond ring
Located in Rome, IT
The engagement ring features a 1.3 carat total weight Cushion Brilliant Cut diamond surrounded by a halo, set in 14k White Gold. The ring is sized 5.25 and weighs 2.8 grams. The cent...
Category

2010s American Modern Diamond Rings

Materials

Diamond, White Diamond, Blue Diamond, Pink Diamond, 18k Gold, White Gold

2.16 Carat Natural Australian Black Opal Three-Stone Ring Set in Platinum
Located in Tokyo, JP
A beautiful three-stone ring featuring a 2.16 Carat, Natural, Australian Black Opal and 0.25 Carats of Diamond Accents set in Platinum. The Opal displays very good play of color! Opa...
Category

21st Century and Contemporary Japanese Modern Diamond Rings

Materials

Black Opal, Opal, Diamond, Platinum

David Webb Platinum & 18K Yellow Gold Black Enamel, Pearl and Diamond Ring
Located in New York, NY
"David Webb pearl and diamond statement ring. Crafted in platinum, yellow and white gold. The pearl is cultured, diamonds are of a circular-cut approx. 0.50cttw. SIGNATURE: Webb SIZ...
Category

20th Century American Modern Diamond Rings

Materials

Pearl, Diamond, Enamel, Platinum, Yellow Gold, 18k Gold

Natural 0.50 Carat Round Diamond Band Ring 14 Karat Yellow Gold Handmade Jewelry
Located in IN
Each facet of this handcrafted jewelry piece speaks volumes of meticulous attention to detail and passion for perfection. The centerpiece of this ring is a dazzling 0.50 carat round-...
Category

21st Century and Contemporary Indian Modern Diamond Rings

Materials

Diamond, 18k Gold, Yellow Gold

Alexander 2.51ct Heart Diamond D/E VVS Eternity Band Platinum
Located in BEVERLY HILLS, CA
Stunning heart shape diamond eternity band. High jewelry by Alexander Beverly Hills. 18 heart brilliant diamonds, 2.51 carats. D/E color and VVS clarity. Platinum, 3.85 grams, size 6...
Category

2010s American Modern Diamond Rings

Materials

Diamond, White Diamond, Platinum

GIA Certified 2 Carat Cushion Cut Diamond Ring
Located in Rome, IT
exquisite Platinum Engagement Ring adorned with a stunning Elongated Cushion Brilliant Cut Halo Diamond. Crafted to perfection by our skilled in-house jeweler, this masterpiece boast...
Category

2010s Italian Modern Diamond Rings

Materials

Diamond, White Diamond, Platinum

18k White Gold Natural Diamond Decorated Navette Ring
Located in Fatih/İstanbul, 34
In very good condition. Totally is 5.6 grams. Totally is diamond 1.40 ct. Clarity is diamond F-G color and vs-vvs clarity. Ring size is US 5 (We offer free resizing) We can make any ...
Category

2010s European Modern Diamond Rings

Materials

Diamond, White Gold

GIA Certified 4 Carat Excellent Cut Ring Internally Flawless E Color
Located in Rome, IT
Indulge in the timeless elegance of this exquisite 4-carat oval diamond ring, adorned with two gracefully tapered baguette diamonds. Impeccably crafted and GIA certified, the ring bo...
Category

2010s Italian Modern Diamond Rings

Materials

White Diamond, Diamond, 18k Gold

GRS Certified INSIGNIFICANT OIL 4 Carat Heart Shape Emerald Diamond Ring
Located in Rome, IT
This amazing ring has been handcrafted in Italy in solid platinum, this is a new ring that has been created by Antinori Fine Jewels. It features a stunning GRS Certified 4 carat He...
Category

2010s Unknown Modern Diamond Rings

Materials

Emerald, White Diamond, Diamond, Platinum

18 K Rose Gold Fancy Diamonds Rubies Bee Ring
Located in Hong Kong, HK
18 K Rose Gold Fancy Diamonds Rubies Bee Ring 31 Fancy Diamonds 0.39 CT 2 Rubies 0.01 CT 18 K Rose Gold 3.71 GM Bees have a long history of being assoc...
Category

21st Century and Contemporary Hong Kong Modern Diamond Rings

Materials

Diamond, Ruby, 18k Gold, Rose Gold

Black Opal Ring, 8.50 Carats
Located in New Orleans, LA
Celebrated for their kaleidoscopic color and luminous beauty, black opals are the most highly coveted type of opals. This extraordinary 8.50-carat black opal is set apart by large si...
Category

20th Century Unknown Modern Diamond Rings

Materials

Black Opal, Opal, Emerald, White Diamond, Platinum

2 Carat Old European Vintage Ring
Located in Rome, IT
This vintage diamond ring commands attention with its impressive size and a beautifully detailed filigree setting adorned with diamonds. The generous 2-carat round brilliant cut cent...
Category

1940s Italian Modern Vintage Diamond Rings

Materials

White Diamond, Diamond, White Gold, 14k Gold

Tiffany & Co. Unheated Ruby Double Halo Diamond Platinum Ring
Located in Rome, IT
This magnificent engagement or statement ring from Tiffany & Co. is a luxurious blend of artistry and rare gemstones, set in a combination of platinum and 18K yellow gold. The ring h...
Category

2010s American Modern Diamond Rings

Materials

Ruby, White Diamond, Diamond, Platinum

Oval Emerald Gemstone Ring Diamond 18 Karat Yellow Gold Handmade Fine Jewelry
Located in IN
Immerse yourself in the enchanting beauty of this Oval Emerald Gemstone Ring, adorned with dazzling Diamonds and meticulously handcrafted in luxurious 18 Karat Yellow Gold. This exqu...
Category

21st Century and Contemporary Indian Modern Diamond Rings

Materials

Emerald, Diamond, Yellow Gold, 18k Gold

Three Stone Emerald Ring With Diamond in 18K White Gold
Located in Houston, TX
Three stone rings come with deeper meaning , traditionally symbolizing friendship , love - Three stone gemstone rings are a perfect choice to fulfill your engagement story. The eme...
Category

21st Century and Contemporary American Modern Diamond Rings

Materials

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

New Made 14k Gold Natural Marquise Cut Diamond And Caliber Emerald Ring
Located in Fatih/İstanbul, 34
In very good condition. Total weight is 3 grams. Totally is diamond 0.47 carat. The diamond is has H color and s1. Totally is emerald 0.90 carat. Ring size is US 6.5 (We offer free r...
Category

2010s Turkish Modern Diamond Rings

Materials

Diamond, Emerald, 14k Gold

1.20 Carat Pear & Marquise Diamond Ring 14 Karat White Gold Handmade Jewelry
Located in IN
Introducing a captivating masterpiece of artisanal craftsmanship, behold this exquisite 1.20 Carat Pear & Marquise Diamond Ring, meticulously handcrafted in radiant 14 karat white go...
Category

21st Century and Contemporary Indian Modern Diamond Rings

Materials

Diamond, White Gold, 14k Gold

GIA Certified 5 Carat Blue Sapphire Emerald Cut Diamond Ring
Located in Rome, IT
Discover the Enchantment of the Color-Changing Sapphire! Embark on a journey of wonder with this magnificent gemstone: 🔹 Weight: 5.21 carats 🔹 Measurements: 9.73 x 8.64 x 6.15 m...
Category

2010s Italian Modern Diamond Rings

Materials

Blue Sapphire, Sapphire, Diamond, Platinum

Set in 18K Gold, 7.62 carats, natural Zambian Emerald & Diamonds Engagement Ring
Located in Hong Kong, HK
A stunning Emerald Engagement Ring set in 18K White Gold & Diamonds. The weight of the Emeralds is 7.62 carats. The Emeralds are completely...
Category

21st Century and Contemporary Hong Kong Modern Diamond Rings

Materials

Diamond, Emerald, 18k Gold

Exceptional GRS Certified 9 Carat Blue Sapphire Burma Origin Diamond Ring
Located in Rome, IT
Exceptional GRS Certified 9 Carat Blue Sapphire BURMA Origin Diamond Ring
Category

2010s Italian Modern Diamond Rings

Materials

Diamond, Blue Sapphire, Platinum

Kunzite 28.14 Diamond 1.60 Carat 18 Karat Gold 0.90 Inch Width Cluster Ring
Located in New York, NY
Introducing the Kunzite 28.14 Diamonds 1.60 Carat 18 Karat Yellow and White Gold Ring (Size 6): Head measuring 0.90 inch width by 1.10 inc length Elevate your style with this exqui...
Category

2010s American Modern Diamond Rings

Materials

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

Blue Green Tourmaline White Diamond Gold Double Stone Ring, Shimell & Madden
Located in Dallas, TX
One of a Kind Double Stone Ring hand-fabricated in London by acclaimed jewellery maker Shimell and Madden in high-polished 18k yellow gold featuring...
Category

2010s British Modern Diamond Rings

Materials

Tourmaline, Multi-gemstone, White Diamond, Diamond, Gold, Yellow Gold, 1...

GIA Certified 2.20 Carat D Color VVS1 Clarity Emerald Cut Diamond 18K Gold Ring
Located in Rome, IT
Exquisite Emerald Cut Diamond Ring by Antinori Immerse yourself in the world of luxury with this breathtaking diamond ring, a true masterpiece of Italian craftsmanship. Designed by ...
Category

2010s Italian Modern Diamond Rings

Materials

Emerald, White Diamond, Diamond, 18k Gold

Grey "South Sea Tahitian" in Modern Diamond Setting
Located in Los Angeles, CA
14k white gold 12mm Grey "South Sea Tahitian" in Modern Diamond ring, with 12 graduating diamonds of very fine quality weighing .18pts. This ring is a size 6 but we will size to fit...
Category

Early 2000s American Modern Diamond Rings

Materials

Diamond, South Sea Pearl, 14k Gold

10K Yellow Gold 1/2 Carat Diamond Composite and Halo Ring
Located in New York, NY
Crafted with love and attention to detail, this captivating piece is destined to become a cherished treasure in your collection. The lustrous 10K yellow gold provides a radiant backd...
Category

21st Century and Contemporary Indian Modern Diamond Rings

Materials

White Diamond, Diamond, Yellow Gold, 10k Gold

18kt White Gold with Pink Tourmaline and White Diamonds Ring
Located in GALLARATE, IT
Super colour of Pink Tourmaline and white diamonds for this classic and trandy Ring in White gold 18kt and white Diamonds cts 0.15 VS colour G/H. Tourmaline size mm 6x10 g.5,70...
Category

21st Century and Contemporary Italian Modern Diamond Rings

Materials

White Diamond, Tourmaline, 18k Gold, White Gold

2 Pear Shaped Red Ruby ByPass Ring
Located in New York, NY
Indulge in the allure of vibrant red with this exquisite 2 Pear Shaped Red Ruby Bypass Ring. The two 0.65 carat pear-shaped red rubies elegantly bypass eac...
Category

2010s Indian Modern Diamond Rings

Materials

White Diamond, Ruby, 18k Gold, White Gold

Antique Diamond Rings for Sale on 1stDibs

Even as jewelry trends have come and gone, antique diamond rings are a classic fashion piece.

While solitaire diamond rings are enduringly popular as an engagement ring style, a vintage diamond ring in general — whether it’s a diamond cocktail ring, a diamond three-stone ring or other iteration — makes a fantastic addition to any outfit with a variety of shapes and settings to explore. Statistics show that diamonds are the most common gemstones for engagement rings, preferred by 87 percent of people. And old diamonds have become a gem of choice for millennials — for many jewelry lovers, designs set with diamonds that were cut by hand decades ago are rapidly gaining in popularity. 

Thousands of gem cutters worked in the city to process the diamonds that streamed in after the 1867 discovery of the Kimberley Mine, in South Africa. The way they hand cut and shaped the stones was distinctly different from what modern lapidaries do. 

“The best old diamonds have high crowns [the top section of the stone] that release a spectrum of colors,” says Guy Burton, bespoke director at the esteemed vintage jeweler Hancocks, in London. “Some really nice Late Victorian gems are chunky, and there were really beautiful Asscher cuts done during the 1930s that display amazing angles a gem cutter would not work in today.” Late Victorian-era diamond rings are considered antique, while an Asscher cut is a step cut that was popularized during the Art Deco era. Other popular Art Deco step cuts include the emerald cut and the baguette cut. (While there are many different gemstone cuts, the main categories of cuts are brilliant, step and mixed.)

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. 

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).

Shop an extraordinary collection of antique and vintage diamond rings on 1stDibs. And explore our buying guides for a close look at antique engagement rings, Art Deco engagement rings and vintage engagement rings

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