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Diamond Jewelry

2,866
200,430
1,721
to
31,769
133,674
39,829
538
538
266
394
3,882
45,029
152,835
1,601
1,289
3,272
2,110
1,372
2,492
2,553
2,857
4,026
3,653
210
2,788
2,126
1,966
1,960
1,922
137,500
62,172
2,479
172,301
91,217
74,812
51,769
54,834
202,151
37,371
23,499
33,894
22,188
74128
21275
17964
13692
9111
to
46,381
40,453
17,274
5,632
4,923
4,146
2,194
2,108
599
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Gemstone: Diamond
1999 Rolex Ladies Datejust 26 79178 Champagne Diamond Dial President Gold Watch
Located in Houston, TX
Brand: Rolex Gender: Ladies Metal Type: 18K Yellow Gold Diameter: 26.00 mm Weight: 73.74 grams Ladies 18K yellow gold, diamond ROLEX Swiss-made watch with original box and pape...
Category

1990s Swiss Diamond Jewelry

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Leon Mege perfect oval halo ring with certified natural oval diamond
Located in New York, NY
Maestro Mege famously perfect 811 halo engagement ring is a lively homage to the beauty and lightness of being, an invitation to approach life playfully. It features Mege's signature...
Category

2010s American Contemporary Diamond Jewelry

Materials

Diamond, Platinum

Effy 14 Karat White & Yellow Gold Diamond Duo Open Circle Link Cigar Band
Located in Scottsdale, AZ
Designer: Effy Material: 14K white & yellow gold Diamond: 168 round single cut = 0.50cttw Color: H / I Clarity: I1-2 Diamond: 24 baguette cut = 0.84cttw Color: H / I Clarity: I1-2 Di...
Category

21st Century and Contemporary Diamond Jewelry

Materials

Diamond, Yellow Gold, White Gold, 14k Gold

Magnificent Emerald Drop Earrings
Located in Sarasota, FL
18k White gold earrings with 4 top gem quality pear shape GIA certified emeralds weighing 31.55 carats and 2.83 carats of collection color/clarity round brilliant diamonds.
Category

2010s Diamond Jewelry

Materials

Diamond, Emerald, 18k Gold

Tudor Stainless Steel & 18 Karat Yellow Gold Diamond Chronometer
Located in Scottsdale, AZ
Movement: Self-winding automatic Function: hours, minutes, seconds Case: round 31mm stainless steel case, 18K yellow gold factory diamond bezel Band: stainless steel & 18K yellow gol...
Category

21st Century and Contemporary Diamond Jewelry

Materials

Diamond, Yellow Gold, Stainless Steel

Vintage Jack Gutschneider 14KT Gold Diamond and Black Enamel Bangle Bracelet
Located in Los Angeles, CA
This Jack Gutschneider (stamped JG JLRY) bangle dates from the 1950's and is crafted in 14KT yellow gold with black enamel and approximately 1CT old mine cut diamonds, F Color, VS-SI...
Category

Mid-20th Century American Retro Diamond Jewelry

Materials

Diamond, 14k Gold, Enamel, Gold

Multi Colored Fancy Sapphire Diamond Bracelet 12.70 Carats
Located in North Hollywood, CA
This Multi Colored Sapphire and Diamond Bracelet goes beautifully with the multi colored sapphire long chain and the tassel...
Category

Early 2000s Unknown Modern Diamond Jewelry

Materials

Diamond, Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, ...

Art Deco 3.29 CTW Jubilee Diamond Sapphire Platinum Vintage Engagement Ring GIA
Located in Philadelphia, PA
Centering a Jubilee cut diamond weighing 2.59 carats - N color with VS2 clarity Set with split tab-like prongs with a milgrain detailed geometric motif gallery Channel set with rows...
Category

1930s Art Deco Vintage Diamond Jewelry

Materials

Diamond, Sapphire, Platinum

Andreoli 1.13 Carat Diamond 18 Karat Yellow Gold Bracelet
Located in New York, NY
Andreoli 1.13 Carat Diamond 18 Karat Yellow Gold Bracelet This bracelet features: - 1.13 Carat Diamond - 10.72 Gram 18K Yellow Gold - Made In Italy
Category

21st Century and Contemporary Italian Contemporary Diamond Jewelry

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Lilly Hastedt Diamond Camilla Eternity Ring Platinum
Located in London, GB
The Camilla ring is part of the "Eternity" collection from Lilly Hastedt. The setting is unusual as it is set in a bubble like form and is a modern version of an eternity ring. T...
Category

21st Century and Contemporary British Contemporary Diamond Jewelry

Materials

Diamond, Platinum

Hand-Made 14K white Gold Pendant Chain with Diamonds
Located in New York, NY
Hand-Made Pendant Chain with Diamonds Material 14K White Gold Diamonds .70ct Diamond Clarity VS Color Grade G Pendant Shape: Star Pendant Dimension 19 x 18.5mm With Bail 23mm Chai...
Category

21st Century and Contemporary Diamond Jewelry

Materials

Diamond, 14k Gold, White Gold

Series of Eleven Diamond Clasp 14k Rolo Chain Necklace
Located in Manhattan Beach, CA
Inspired by lineage jewelry, Series of Eleven celebrates connection through our signature double-sided diamond clasp that shines alongside a variety of eleven solid 14k gold chains. ...
Category

2010s American Modern Diamond Jewelry

Materials

Diamond, 14k Gold

Tiffany & Co T Diamond & Turquoise Wire Ring with Round Diamonds 18k White Gold
Located in Aventura, FL
This bold "T" design features scintillating diamonds and turquoise, a favorite stone of Tiffany designers for over a century. The natural formation of turquoise creates subtle differ...
Category

21st Century and Contemporary American Modernist Diamond Jewelry

Materials

Diamond, Turquoise, 18k Gold, White Gold

Diana M. 2.20cts Diamond Fashion Earrings in 18kt White Gold
Located in New York, NY
18 kt white gold diamond earrings adorned with baguette cut diamonds surrounded by round diamonds totaling 2.20 cts (HI, VS2-SI1)
Category

21st Century and Contemporary American Modern Diamond Jewelry

Materials

Diamond, 18k Gold, White Gold

Roberto Coin Flat Oval Hoop Earrings with Diamonds Set in 18 Karat Yellow Gold
Located in Scottsdale, AZ
These stunning hoop earrings from Roberto Coin, crafted from luxurious 18 karat yellow gold, boast a timeless design adorned with dazzling diamonds, adding a touch of sophistication ...
Category

21st Century and Contemporary Italian Contemporary Diamond Jewelry

Materials

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

Brooch with Amethyst, Jade and diamonds 14k gold
Located in The Hague, ZH
14k yellow gold brooch in the shape of a bunch of flowers, set with amethyst flowers, jade leaves and brilliant cut diamonds, 0.03ct in total - F/G - VS/SI detailed description: Th...
Category

2010s European Modern Diamond Jewelry

Materials

Amethyst, Diamond, Jade, 14k Gold

1.40 ct Burma Ruby & Diamond Earrings
Located in Chicago, IL
These stunning Burma heat treated ruby studs are sure to turn heads. Set in 18k white gold, and 28 diamonds surrounding the rubies. The diamonds show a F/G in color and VS1/VS2 in cl...
Category

2010s Diamond Jewelry

Materials

Diamond, Ruby, 18k Gold

Important Opal Necklace Set With Diamonds 60 Carats Total 19.5 Inches
Located in Laguna Niguel, CA
It comes with the appraisal by GIA GG/AJP Condition: Excellent Opals = 54 Carats Diamonds = 6.48 Carats (Color: F-J, Clarity: VS-I) Metal: Silver & 14K Yellow Gold Necklace Length: ...
Category

21st Century and Contemporary Art Deco Diamond Jewelry

Materials

Diamond, White Diamond, Opal, Gold, 14k Gold, Yellow Gold, Silver

1.27-ct GIA Diamond Platinum Solitaire Ring Estate Jewelry
Located in Beverly Hills, CA
A diamond solitaire with accents and platinum ring of a classic design. The ring’s center stone comes with a GIA Diamond Grading Report and has excellent characteristics (see picture...
Category

21st Century and Contemporary Unknown Diamond Jewelry

Materials

Diamond, Platinum

GIA Certified 3.50 Carat Round Brilliant Cut Diamond Wedding Band Ring
Located in Rome, IT
GIA Certified 3.50 Carat Round Brilliant Cut Diamond Wedding Band Ring each diamond weights 0.72-0.73 carats and has been certified by GIA
Category

2010s Unknown Contemporary Diamond Jewelry

Materials

Diamond, White Diamond, Platinum

14k Gold New Handmade Natural Rose Cut Diamond And Pearl Decorated Drop Earring
Located in Fatih/İstanbul, 34
In very good condition. Total weight is 13.1 grams. Totally is diamond 1.48 carat. The diamond is has Brown and Light Yellow color and s1-s2-s3 clarity. Please contact for any quest...
Category

2010s Turkish Modern Diamond Jewelry

Materials

Diamond, Pearl

Art Deco Emerald & Diamond Ring Circa 1930s
Located in ADELAIDE, SA
True its era, this Art Deco cluster ring makes an elegant statement piece. Featuring grain set early European cut and single cut diamonds with beautiful green emeralds. Diamond: One...
Category

1930s Art Deco Vintage Diamond Jewelry

Materials

Diamond, Emerald, Platinum

GIA Certified 1.92cttw Diamond Stud Earrings
Located in New York, NY
This is an elegant pair of diamond 14k white gold stud earrings. The earrings are set with sparkling GIA certified round cut diamonds that weigh 0.96ct and 0.96ct. The color of the d...
Category

20th Century Diamond Jewelry

Materials

Diamond, 14k Gold

Cartier Yellow Gold Love Bracelet B6038300
Located in London, GB
An 18k yellow gold bracelet by Cartier from the Love collection. The bracelet features a double yellow gold bracelet knotted to an open circular motif engraved with 'LOVE', the 'O' i...
Category

21st Century and Contemporary French Diamond Jewelry

Materials

Diamond, Gold, 18k Gold, Yellow Gold

A Pair of Rock Crystal Quartz Diamond Flower Bracelets by Tiffany & Co.
Located in New York, NY
This pair of Tiffany & Co. Rock Crystal Quartz Diamond Flower Bracelets, made in the 21st century, circa 2000, features two varieties of quartz -- rose quartz and chalcedony -- carve...
Category

21st Century and Contemporary French Contemporary Diamond Jewelry

Materials

Diamond, Quartz, Rock Crystal, Blue Sapphire, Tourmaline, Platinum

Vintage Baguette Cut & Princess Cut Diamond 'Fan' Ring Set by MWI Eloquence
Located in Los Angeles, CA
Vintage 8.00 Ctw. Baguette Cut & Princess Cut Diamond 'Fan' Ring Set by MWI ELOQUENCE. With one ring being composed of platinum and the other of platinum and 18k yellow gold. These t...
Category

1980s American Modern Vintage Diamond Jewelry

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Hublot Big Bang Diamond Bezel 361.PX.1280.RX.1104
Located in London, GB
A ladies 38mm Big Bang in rose gold from Hublot. Features a black dial and a rose gold bezel, set with approximately 126 round brilliant cut diamonds. Fitted with sapphire crystal a...
Category

21st Century and Contemporary Swiss Diamond Jewelry

Materials

Diamond, Gold, 18k Gold, Rose Gold

Patek Philippe Art Deco Platinum Diamond Lady's Dress Watch
Located in New York, NY
Art Deco, circa 1920s platinum dress watch by Patek Philippe, featuring platinum case, adorned with rose and single cut diamonds, approx. 0.50ctw,...
Category

1920s Swiss Art Deco Vintage Diamond Jewelry

Materials

Diamond, Platinum

18k White Gold Diamond Inside-out Hoop Earrings
Located in New York, NY
These Contemporary 18k White Gold Diamond Inside-out Hoop Earrings are a stunning addition to any jewelry collection. They are both substantial and comfortable to wear. The diamonds...
Category

21st Century and Contemporary American Contemporary Diamond Jewelry

Materials

Diamond, White Gold

"Lookup" Micro-Pave Pendant by Leon Mege
Located in New York, NY
The "LookUP" collection. The pendant comes in several color combinations of micro pave set natural gemstones and diamonds. Natural diamonds and gemstones Each pendant comes with an 1...
Category

2010s American Contemporary Diamond Jewelry

Materials

Diamond, 18k Gold

Art Deco 1.00ct Diamond and Sapphire Target Ring, c.1920s
Located in London, GB
Featuring an impressive 1.00ct diamond at it’s centre this Art Deco era target ring is truly eye catching. The central diamond is an old cut stone with a colour of H and a clarity o...
Category

1920s Unknown Art Deco Vintage Diamond Jewelry

Materials

Diamond, Sapphire, Platinum

18k White Gold 14.00ctw Natural Diamond Tennis Bracelet
Located in Boca Raton, FL
Material: 18k White Gold Measurements: 7" Diamonds Details: 14.00ctw Of Natural Round Brilliant Diamond Diamonds are G/H Color and VS Clarity Total Weight: (18.2g)11.7dwt This item c...
Category

21st Century and Contemporary American Diamond Jewelry

Materials

Diamond, White Diamond, 18k Gold, White Gold

4.01 ct. White Diamond Round Tennis Bracelet in 14K White Gold
Located in Los Angeles, CA
Beautiful 4.01 ct. good quality, white, and bright diamond rounds. Total of 64 stones. Handmade in 14k white gold. Length is 7".
Category

21st Century and Contemporary Diamond Jewelry

Materials

White Diamond, White Gold

Antique Art Deco Platinum Old Oval Cut Diamond Engagement Ring
Located in Great Neck, NY
Beautiful Antique Art Deco Platinum Old Oval Cut Diamond Engagement Ring. This gorgeous antique engagement ring is crafted in platinum. The center holds a beautiful old cut oval diam...
Category

1920s Art Deco Vintage Diamond Jewelry

Materials

Diamond, Platinum

Vintage Original Circa 1990s 18k Gold Natural Diamond Decorated Pretty Ring
Located in Fatih/İstanbul, 34
In very good condition. Total weight is 5.6 grams. Totally is diamond 0.85 carat. The diamond is has F-G color and vvs-vs clarity. Ring size is US 7.5 (We offer free resizing) We ca...
Category

1990s Egyptian Retro Diamond Jewelry

Materials

Diamond, 18k Gold

New Made 18k Gold Natural Diamond And Caliber Ruby Decorated Drop Earring
Located in Fatih/İstanbul, 34
In very good condition. Total weight is 9 grams. Totally is diamond 1.67 carat. The diamond is has G-H color and vvs-vs-s1 clarity. Totally is ruby 2.10 carat. Please contact for any...
Category

2010s Turkish Modern Diamond Jewelry

Materials

Diamond, Ruby, 18k Gold

Diamond Necklace by Elan
Located in New York, NY
Diamond Necklace A diamond link necklace by Elan adorned with round-cut diamonds Approximate Measurement: 15" long Approximate Diamond Weight: 8.20 carats Weighs Approximately 148.5...
Category

20th Century Unknown Diamond Jewelry

Materials

Diamond, 18k Gold

Diana M 5.00cts Diamond Fashion Bracelet in 14kt Yellow Golg
Located in New York, NY
14kt yellow gold fashion bracelet containing 5.00 cts of diamonds
Category

2010s American Modern Diamond Jewelry

Materials

Diamond, 14k Gold, Yellow Gold

14K Rose Gold Baguette Link Cluster Diamond Chain Necklace
Located in Houston, TX
Metal Type: 14K Rose Gold Length: 16.00 inches Width: 9.60 mm tapering to 6.00 mm Weight: 51.78 grams 14K rose gold rectangular bar link chain. The metal was tested and determine...
Category

21st Century and Contemporary Unknown Diamond Jewelry

Materials

Diamond, Gold, 14k Gold, Rose Gold

GIA Certified 1.03 Carat Light Pink Diamond 18K Gold Ring
Located in New York, NY
The Light Pink GIA Certified Ring is a stunning and elegant piece of jewelry that exudes luxury and sophistication. This ring features a beautiful light pink diamond that is certifie...
Category

21st Century and Contemporary Modern Diamond Jewelry

Materials

Pink Diamond, Platinum, 18k Gold, Gold

Art Deco Style Rubies Old Mine Cut Diamond Cocktail Ring
Located in Rome, IT
Introducing a captivating diamond and ruby ring exuding the elegance of Art Deco design, showcasing natural diamonds and rubies in a stunning arrangement that radiates rich color and...
Category

2010s Italian Art Deco Diamond Jewelry

Materials

Diamond, White Diamond, Ruby, 14k Gold

Cathy Waterman Multi Color Sapphire Platinum Necklace Estate Jewelry
Located in Beverly Hills, CA
A gorgeous necklace by Cathy Waterman crafted out of multi color sapphire beads with platinum elements. The carved sapphire beads of white, yellow, purple and pink color are strung o...
Category

1990s American Diamond Jewelry

Materials

Diamond, Sapphire, Platinum

2.63 ct Natural Yellow & Diamond Ring
Located in Chicago, IL
This stunning ring features natural pear-shaped yellow diamonds as the main stones and 103 natural diamonds as secondary stones. The diamonds are set in 18k white gold, giving the r...
Category

2010s Diamond Jewelry

Materials

Diamond, Yellow Diamond, 18k Gold

1.89 ct Rose Cut Diamond Ring
Located in Chicago, IL
Add a touch of elegance to your jewelry collection with this stunning 1.89 ct diamond ring. Crafted from 18k white gold, this ring features beautiful rose cut diamond with VS2/SI1 cl...
Category

2010s Diamond Jewelry

Materials

Diamond, 18k Gold

Cartier Himalia Pearl and Diamond Necklace
Located in London, GB
Here we have a charming necklace from the world renowned jewellery house of Cartier. This elegant piece showcases an open pendant with a open minimalist design pendant and filled wit...
Category

21st Century and Contemporary Diamond Jewelry

Materials

Diamond, Pearl, 18k Gold, White Gold

Boucheron - Golden 'Serpent boheme' ring With Diamonds
Located in AMSTELVEEN, NH
Introducing the exquisite Boucheron Serpent Bohème XS Motif Ring, a true testament to luxury and elegance. Adorned with natural diamonds totaling 0.63 carats, each boasting a brillia...
Category

2010s Diamond Jewelry

Materials

Diamond

1920 European Cut Art Deco 2.80 Ct Vintage Diamond Cocktail Ring
Located in Rome, IT
Introducing a captivating vintage cocktail ring that effortlessly steals the spotlight. Adorned with a striking 1.51ct old European cut diamond at its core, surrounded by a graceful ...
Category

1920s Unknown Art Deco Vintage Diamond Jewelry

Materials

Diamond, Platinum

White Gold Necklace with Diamonds and Tahitian Pearls
Located in BILBAO, ES
White Gold Necklace with 510 brilliant-cut diamonds and 16 Tahitian pearls 18k White Gold 510 Diamonds 7.50k 16 Tahiti Pearls
Category

2010s Spanish Diamond Jewelry

Materials

Diamond, Pearl, White Gold

Vine Leaf antique brooch 18K gold silver Victorian era jewelry special person
Located in Berlin, DE
Antique brooch in shape of a grape leaf with a branch of a vine 18K gold and blackened silver with 105 old-cut diamonds diamonds weight - 3.5 carats brooch measurements - 0.94 x 1.3 ...
Category

Early 1900s French Art Nouveau Antique Diamond Jewelry

Materials

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

18k White Marquise Diamond and Black Diamond and Orange Stone Cocktail Ring
Located in New York, NY
Elevate your style with this 18k White Marquise Diamond and Black Diamond and Orange Stone Cocktail Ring. Crafted with 1.14 carats of marquise cut diamonds, 2.90 carats of black diam...
Category

21st Century and Contemporary Diamond Jewelry

Materials

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

Bespoke Diamond Heart Cluster Pendant 0.15ct
Located in SYDNEY, NSW
Unique features: A Diamond Heart Cluster Pendant, with 3 round brilliant cut diamonds pavé set in 18ct white gold. Diamonds 3 = 0.15ct (estimated), Graded in setting as Colour: G,...
Category

21st Century and Contemporary Diamond Jewelry

Materials

Diamond, White Gold

Yellow Diamonds White Diamonds Enamel 18 Karat White Gold High Jewellery Suite
Located in Bangkok, TH
Yellow Diamonds White Diamonds Enamel 18 Karat White Gold High Jewellery Suite Introducing our latest creation, the Suite of Bracelet and Earrings, inspired by the Art Deco era. Thi...
Category

21st Century and Contemporary Thai Art Deco Diamond Jewelry

Materials

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

Vintage 18K Yellow Gold Black Onyx and Diamond Dome Ring
Located in Henderson, NV
Crafted in 18K yellow gold, the ring features a dome design with channel set diamonds in the center, supported by custom cut black onyx shoulders. 26 round brilliant cut diamonds: 1....
Category

Mid-20th Century Diamond Jewelry

Materials

Diamond, Onyx, Gold, 18k Gold, Yellow Gold

Cartier Paris Yellow Gold and Diamond Dolphin clip Brooch
Located in Chicago, IL
Circa 1990s Cartier Paris Whimsical Dolphin Clip Brooch, measuring 1 1/2 inches in length X 1 inch, set with Round Brilliant cut Diamonds totaling 3.50 Carats, further set with an Em...
Category

1990s French Diamond Jewelry

Materials

Diamond, 18k Gold, Yellow Gold

Emeralds and Diamonds Band Ring 1.31 Carats 18K Gold
Located in Laguna Niguel, CA
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural Emeralds = 0.74 Carats Diamonds = 0.57 Carats Metal: 18K White Gold Ring Size: 6.25* US *It can be res...
Category

21st Century and Contemporary Contemporary Diamond Jewelry

Materials

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

Vintage Circa 1980s 18k Gold Natural Diamond And Pearl Decorated Earring
Located in Fatih/İstanbul, 34
In very good condition. Total weight is 18 grams. Totally is diamond 0.60 carat. The diamond is has G-H color and vvs-vs clarity. Please contact for any questions.
Category

1980s European Retro Vintage Diamond Jewelry

Materials

Diamond, Pearl, 18k Gold

1.25 Carat Fancy Brown Pink Round Cut Diamond GIA Certified
Located in Kowloon, HK
*100% NATURAL FANCY COLOUR DIAMOND* ✪ Diamond Details ✪ ➛ Shape: Round ➛ Colour Grade: Fancy Brown Pink ➛ Carat: 1.25 ➛ GIA Certified ^FEATURES OF THE DIAMOND^ This fancy brown...
Category

2010s Asian Diamond Jewelry

Materials

Diamond

Emerald Cut Diamond Stretch White Gold Bracelet
Located in New York, NY
Indulge in the timeless allure of this White Gold Stretch Bracelet adorned with exquisite Emerald Cut Diamonds. Crafted from lustrous white gold, this bracelet exudes elegance and so...
Category

21st Century and Contemporary American Contemporary Diamond Jewelry

Materials

Diamond, White Gold

Shop Antique and Vintage Diamond Rings, Diamond Necklaces and Other Diamond Jewelry and Watches on 1stDibs

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.  

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