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Diamond Jewelry

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Gemstone: Diamond
Style: Victorian
Victorian Lapis Lazuli Pearl Diamond 14 Karat Gold Silver Antique Cross Pendant
Located in Philadelphia, PA
Designed as a marquise shape surmount suspending a cross pendant of carved lapis lazuli Opaque ultramarine blue with gold pyrite flecking and decorated with vine motif appliqué Sil...
Category

1860s Victorian Antique Diamond Jewelry

Materials

Diamond, Lapis Lazuli, Pearl, Gold, 14k Gold, Yellow Gold, Silver

Victorian Diamond and Gold you and Me Ring
Located in London, GB
Sentimental in nature, symbolizing the melding of two into one, or two souls lying along each other for eternity is this romantic diamond ring from Victorian era. Sensual and compl...
Category

19th Century Unknown High Victorian Antique Diamond Jewelry

Materials

Diamond, Gold

Victorian 18 Karat Gold Ruby Rose Cut Diamond Snake Bar Brooch
Located in Vilnius, LT
This is a Victorian snake bar brooch crafted in 18K gold. Circa 1890. The piece features ruby and rose cut diamonds. Eyes are encrusted with 2 round cut diamonds. Has a C clasp. ...
Category

Late 19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Ruby, Gold

Victorian 2.00ct Emerald and Diamond Cluster Ring, c.1880s
Located in London, GB
A show stopping 2.00 carat Emerald, takes pride of place in this Victorian cluster ring. The cushion cut stone is fully natural and of Columbian origin, lending to it’s vivid colouri...
Category

1880s Unknown Victorian Antique Diamond Jewelry

Materials

Diamond, Emerald, 18k Gold

Antique Victorian Ruby 0.10 Carat Diamond 15 Karat Yellow Gold Vintage Brooch
Located in London, GB
Unusual and fine antique Victorian brooch handcrafted in 15 karat yellow gold composed of 3 decorative floral section featuring an approximate 0.10 carat diamond old European round cut claw - prong set in a deep star shaped design, and with smaller red stones on the outer sections with similar settings. A pin and a small hoop on the back for fastening, unpolished probably since it has been made, just lightly cleaned as you can see from the pictures, from and old estate jewellery collection here in the London UK. We offer a free polishing service on purchase if preferred. Natural Diamond Colour: G - H Clarity: SI (eye clean) Cut: Round Cut Old...
Category

Late 19th Century British Victorian Antique Diamond Jewelry

Materials

Diamond, Ruby, Gold, 15k Gold, Yellow Gold

Victorian Emerald Diamond 14k Yellow Gold Silver Three Stone Ring
Located in Beverly Hills, CA
One Victorian Emerald Diamond 14k Yellow Gold Silver Three Stone Ring. Featuring one round mixed cut emerald weighing approximately 0.40 carat. Accented by two old European cut diamo...
Category

1890s Victorian Antique Diamond Jewelry

Materials

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

Victorian Ruby Pearl Sapphire and Diamond Triple Cluster Ring
Located in London, GB
This is a wonderful 18ct yellow gold Victorian triple cluster ring. The centre of the ring is set with a button pearl with a lovely white lustre. On one side there is a ruby and the ...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Pearl, Ruby, Sapphire, Gold, Yellow Gold

Victorian 1897 18K Yellow Gold Old European Cut Diamond Pearl Cocktail Ring
Located in Houston, TX
Gender: Ladies Metal Type: 18K Yellow Gold Ring Size: 5.5 Head measurements: 9.50mm in width Shank maximum width: 2.45mm Weight: 2.40 grams 18K yellow gold three-across diamo...
Category

19th Century Unknown Victorian Antique Diamond Jewelry

Materials

Diamond, Pearl, Gold, 18k Gold, Yellow Gold

Antique Victorian 18K Yellow Gold Marquee Head Rose Cut Diamond Cocktail Ring
Located in Houston, TX
Gender: Ladies Metal Type: 18K Yellow Gold Ring Size: 6 Weight: 3.30 grams Width: 2.00mm Ladies handmade 18K yellow gold, diamond victorian (1837-1901) cocktail ring with a half...
Category

19th Century Unknown Victorian Antique Diamond Jewelry

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Victorian 4.55ct Diamond and Pearl Brooch, c.1880s
Located in London, GB
A stunning pearl is surrounded by a double diamond halo, with an elegant tied bow design in this Victorian brooch. The closest diamond halo features 18 old cut diamonds of 0.10 carat...
Category

1880s Unknown Victorian Antique Diamond Jewelry

Materials

Diamond, Pearl, 18k Gold, Silver

Antique Circa 1900s 18k Gold Top Silver Natural Rose Cut Diamond And Ruby Ring
Located in Fatih/İstanbul, 34
In very good condition. Total weight 4.9 grams. Totally is diamond 0.50 ct. The diamond is has I-J-K color and s1-s2-s3-Pique1. Totally is ruby 0.60 ct. Ring size is us 6.5 (We can m...
Category

Early 1900s European Victorian Antique Diamond Jewelry

Materials

Diamond, Ruby, 18k Gold, Silver

Victorian 18K Diamond 1.50ctw Button Stretch Bracelet
Located in Narberth, PA
A gorgeous gold button nugget bracelet from the Victorian (ca1885) era! This stunning bracelet is made of 18k yellow gold and holds seven sparkling Old Mine cut diamonds. The diamon...
Category

1880s Victorian Antique Diamond Jewelry

Materials

Diamond, Gold, 18k Gold, Yellow Gold

A Victorian Gold and Garnet Pendant with a Diamond Star
Located in Amsterdam, NL
A 15 carat gold Victorian oval pendant set with a large deep red carbuncle garnet incrusted with a six pointed star at the centre set with a large cushion cut diamond surrounded by s...
Category

1890s English Victorian Antique Diamond Jewelry

Materials

Diamond, Garnet, Gold, 15k Gold

Vintage Looking Rosecut Diamond Floral Design Ring in Gold and Silver
Located in New York, NY
This Vintage Looking Rosecut Diamond floral design Ring in Gold and Silver is super charming with an old fashioned look making it a perfect cocktail ring. Ring Size: 7 ( can Be size...
Category

21st Century and Contemporary Indian Victorian Diamond Jewelry

Materials

Diamond, 14k Gold, Gold, Silver

Victorian Memento Mori Jet or Charcoal Skull with Rose Cut Diamond Eyes
Located in Fairfield, CT
This striking vintage skull pendant is a captivating piece of jewelry that blends gothic charm with classic elegance. The pendant is skillfully carved from what appears to be jet or charcoal, providing a deep, matte contrast to the gleaming gold-tone bail that attaches it to a chain. During the 19th century, jet was established as a gemstone for mourning, and demand for mourning jewelry during the Victorian era led to extensive excavations of jet in Whitby. Victorian Whitby Jet jewelry...
Category

1890s Victorian Antique Diamond Jewelry

Materials

Diamond, Gold, 14k Gold, Yellow Gold

Victorian 0.52 Carat Old Cut Diamond Cluster Ring
Located in London, GB
This is a truly wonderful antique diamond cluster ring. The head of the ring dates back to the Victorian era and the diamonds are all bright white chunky old cuts. The central diamon...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Gold, Yellow Gold, Silver

Victorian Old Cut Diamond Three-Stone Ring
Located in London, GB
Here we have a lovely three stone diamond ring borrowing from the late Victorian style. Set upon a thin 18ct yellow gold band, the face of the piece presents a trio of old cut diamon...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Gold, Yellow Gold

Antique 19th-century Stag-beetle Brooch with Diamonds and Gem stones
Located in Stockholm, SE
Step into the enchanting world of vintage elegance with this exquisite Stag-beetle Brooch, a true masterpiece from the 19th century. Crafted between 1800-1850, this stunning piece sh...
Category

Early 18th Century Unknown Victorian Antique Diamond Jewelry

Materials

Diamond, Emerald, Ruby, Sapphire, Turquoise, 18k Gold, Silver

Victorian Double Heart Ruby Sapphire and Diamond Crowned Ring
Located in London, GB
Here we have a fine example of a Victorian double heart ring. In this case, a round ruby and sapphire sit at the centre of an accentuating boarder of rose cut diamonds. A conjoining ...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Ruby, Blue Sapphire, Gold, Platinum

19th Century Antique Diamond encrusted Crescent Moon Brooch
Located in Stockholm, SE
This late victorian enchanting piece, delicately created in 18k gold, takes the form of a gracefully curved crescent moon, exuding timeless elegance and celestial charm. Adorning th...
Category

Late 19th Century Late Victorian Antique Diamond Jewelry

Materials

Diamond, 18k Gold

Victorian 18 Karat Royal Blue Sapphire and Diamond Three Stone Cluster Ring
Located in Fairfield, CT
This Victorian-era ring, crafted around the 1880s, is an exquisite example of the period's intricate and opulent designs. The ring features a central royal blue sapphire flanked by t...
Category

1880s Victorian Antique Diamond Jewelry

Materials

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

14kt White Gold Bulova Diamond Watch Ladies Serviced Working Warranty Art Deco
Located in Rancho Santa Fe, CA
14kt White Gold Bulova Diamond Watch Ladies Serviced Working Warranty 7 Inches For sale is a stunning ladies' Bulova diamond watch crafted in 14kt...
Category

1930s Swiss Victorian Vintage Diamond Jewelry

Materials

Diamond, White Gold

Victorian Pearl, Diamond and Enamel Mourning Locket Ring
Located in London, GB
This is a wonderfully hand made yellow gold Victorian mourning ring. The ring is set with a central rose cut diamond in a cut collet setting and is surrounded by four original natura...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Pearl, Gold, Yellow Gold, Enamel

Victorian Diamond Emerald and Ruby Double Heart Locket Ring
Located in London, GB
Here we have a charming Victorian heart ring. The head of the ring is formed of two hearts which are set with diamonds, a ruby and an emerald. The head opens to reveal a locket of ha...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Emerald, Ruby, Gold

Victorian Pearl and Diamond 'In Memory of' Mourning Ring
Located in London, GB
This is an exquisite mourning ring from the mid Victorian era. The ring plays host to a central natural pearl surrounded by 6 rose cut diamonds. The ring has been very well preserved...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Pearl, Enamel

Victorian Old Cut Diamond Double Heart Ring
Located in London, GB
This is a lovely antique double heart ring dating back to the Victorian era. The ring features two open interlocking hearts which have been s...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Gold, 18k Gold, Yellow Gold, Silver

Antique Victorian Oval Blue Sapphire Sri Lanka No Heat 9.19ct, 2.5tcw Diamonds
Located in Overland Park, KS
Listed is a spectacular Estate Antique Victorian oval sapphire ring. The center stone is 12.54x10.54 and weighs 9.19ct w/ Sri Lanka origin and no heat from GIA. A stone this large an...
Category

Early 20th Century Victorian Diamond Jewelry

Materials

Diamond, Blue Sapphire

Victorian Three Stone Emerald and Diamond 10 Karat Rose Gold Antique Ring
Located in Fairfield, CT
This 10 karat rose gold Victorian ring features a timeless three-stone design with an a diamond center in between two emeralds, a popular configuration during the Victorian era. The ...
Category

Late 19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Emerald, Gold, 10k Gold, Rose Gold

Victorian Five Stone Ruby and Diamond Ring
Located in London, GB
Here we have a 18ct yellow gold Victorian five stone ring. The piece showcases five round faceted gemstones in a single line formation including a trio of pink natural rubies and a d...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Ruby, Gold, Yellow Gold

Chain with solitair pendant set with diamond 14k pink gold
Located in The Hague, ZH
14k rose gold necklace with a solitaire pendant set with rose cut diamonds. 1.00ct – K/L – SI – 45 cm long detailed description: the necklace is 45 cm long and 0.7 mm wide the pen...
Category

1880s French Early Victorian Antique Diamond Jewelry

Materials

Diamond, Gold, 14k Gold

Victorian Old Cut Diamond Clover Ring
Located in London, GB
Here we have a charming Victorian clover ring. This piece is platinum set with a trio of round faceted old cut diamonds collectively forming the clover motif. This delightful piece ...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Gold, Yellow Gold, Platinum

Victorian Ruby and Diamond Cluster Ring
Located in London, GB
Here we have a delightful ruby and diamond ring from the Victorian era. This antique piece has been crafted from 15ct yellow gold and plays host to a graduating array of square calib...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Ruby, Gold, Yellow Gold

Antique Victorian 14k Gold 3.5ctw Old Mine Diamond Cluster Drop Dangle Earrings
Located in Montclair, NJ
--Stone(s):-- (2) Natural Genuine Diamonds - Old Mine Cut - Prong Set - White to Warm Yellow Color - VS2-I2 Clarity - 1.15ctw (approx.) (18) Natural Genuine Diamonds - Old Mine Cut -...
Category

1890s Victorian Antique Diamond Jewelry

Materials

Diamond, 14k Gold

3.66 Carat Ceylon Blue Sapphire Diamond Ring
Located in Bangkok, TH
Introducing our captivating 18K Gold Oval Sapphire Ring, a timeless masterpiece of elegance and luxury. This exquisite ring features a breathtaking 3.66 carat oval sapphire, sourced ...
Category

2010s Sri Lankan Victorian Diamond Jewelry

Materials

Diamond, Blue Sapphire, 18k Gold

Victorian Five Stone Garnet and Diamond Ring
Located in London, GB
Here we have a 18ct yellow gold Victorian five stone ring. The piece showcases five square cushion cut garnets in a single line formation which graduate inwardly in size. Neatly nest...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Garnet, Gold, Yellow Gold

Victorian Opal and Rose Cut Diamond Navette Ring
Located in London, GB
Here we have an opal and diamond navette ring from the Victorian era. This antique piece showcases an endearing oval shaped opal with a deep play of colour which sits well proportion...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Opal, Gold

Victorian Old Mine Cut Diamond 14K Yellow Gold Silver Antique Engagement Ring
Located in Philadelphia, PA
Centering an old mine cut diamond weighing approximately 1.15 carats O/P color with I1 clarity and prong set in a silver-topped gallery Pierced with a draped festoon motif fully arou...
Category

1860s Victorian Antique Diamond Jewelry

Materials

Diamond, Gold, 14k Gold, Yellow Gold, Silver

Victorian Sapphire and Rose Cut Diamond Cluster Ring
Located in London, GB
This is an 18ct yellow gold oval cluster ring. The ring is set with a centralised oval cut rub-over set cabochon sapphire which is surrounded by a cluster of rose cut diamonds. The h...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Blue Sapphire, Gold, Yellow Gold

Victorian Pearl Diamond and Green Enamel Locket Pendant
Located in London, GB
This is a lovely 18ct yellow gold Victorian pendant. The pendant is in a foliate style and features green enamelled leaves and natural pearls which play the role of the fruit. The p...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Pearl, Gold, Yellow Gold, Enamel

Victorian Natural Pearl and Diamond Cluster Ring
Located in London, GB
This is a superb 18ct gold pearl and diamond cluster ring. Set upon a rose gold head, the central natural pearl possesses a wonderful lustre whilst the encompassing stones which circ...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Natural Pearl, Gold, Rose Gold, Yellow Gold

Victorian Sapphire and Diamond Cluster Ring
Located in London, GB
Here we have an 18ct yellow gold cluster ring from the Victorian era. The ring is set with an oval shaped sapphire to the centre which is flanked on either side by a single round sha...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Blue Sapphire, Gold, Yellow Gold

Victorian Pearl, Diamond and Enamel Mourning Locket Ring
Located in London, GB
This is a wonderfully hand made yellow gold Victorian mourning ring. The ring is set with a central rose cut diamond in a cut collet setting and is surrounded by four original natura...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Pearl, Gold, Yellow Gold, Enamel

Victorian Jelly Opal Diamond 18 Karat Yellow Gold Antique Horseshoe Brooch
Located in Philadelphia, PA
Designed as a horseshoe form featuring a row of jelly opal cabochons Transparent colorless body with spectral play-of-color Ranging in size from 2.5 to 3.5 mm round Bead set with ha...
Category

1870s Victorian Antique Diamond Jewelry

Materials

Diamond, Opal, Gold, 18k Gold, Yellow Gold

Antique Circa 1900s 14k Gold Natural Rose Cut Diamond Decorated Ring
Located in Fatih/İstanbul, 34
In very good condition. Total weight is 4.7 grams. Totally is diamond 0.85 carat. The diamond is has H-I color and vs-s1-s2-s3 clarity. Ring size is US 7 (We offer free resizing) We ...
Category

Early 1900s European Late Victorian Antique Diamond Jewelry

Materials

Diamond, 14k Gold

Victorian Ruby and Diamond Clover Ring
Located in London, GB
This is a charming 18ct yellow gold ruby and diamond clover ring. The ring is set with a trio of round and oval shaped rubies within an open detailed design. Crafted in platinum, the...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Ruby, Gold, Yellow Gold, Platinum

1 Victorian 18k/Sterling Silver Diamond Monogram Pin/Pendant
Located in Narberth, PA
A lovely pin/pendant from the Victorian (ca1880s) era! Crafted in 18kt yellow gold and topped in sterling silver, this piece, which can be worn as either a pin or a pendant, displays...
Category

1880s Victorian Antique Diamond Jewelry

Materials

Diamond, 18k Gold, Sterling Silver

Brooch set with ruby and diamonds 18k yellow gold
Located in The Hague, ZH
18k yellow gold branch brooch set with ruby ​​and diamonds. 0.50ct - G/H - SI - dim. 5.5 cm x 3.0 cm detailed description: the size of the brooch is 5.5 cm by 3.0 cm wide weight 1...
Category

1880s Dutch Early Victorian Antique Diamond Jewelry

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Victorian Ruby and Diamond Cluster Ring
Located in London, GB
Here we have an 18ct yellow gold ruby and diamond cluster ring from the Victorian era. This multi-layered piece consists of a single round faceted old cut diamond at the centre which...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Ruby, Pink Diamond, Diamond, Platinum, Yellow Gold, Gold

Victorian Gem Set Clover Ring
Located in London, GB
Here we have a charming Victorian clover ring. The ring is set with a trio of round gemstones including a ruby, sapphire and old cut diamond collectively forming the clover motif. T...
Category

18th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Ruby, Sapphire, Gold

Victorian Ruby and Diamond Three Row Band
Located in London, GB
This is a wonderful 18ct yellow gold Victorian ruby and diamond three row band. The ring consists of a central row of old cut diamonds with two outer rows of rubies. The stones rest ...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Ruby, Gold, Yellow Gold

Cabochon Sapphire and Rose Cut Diamond Cluster Ring
Located in London, GB
This is a very pretty Victorian sapphire and diamond cluster ring. The ring features a central cabochon sapphire surrounded by a cluster of rose cut diamonds and crafted in 14ct yell...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Blue Sapphire, Gold, 14k Gold, Yellow Gold

Circa 1880s 14k Gold Top Silver Natural Old Cut Diamond And Sapphire Ruby Ring
Located in Fatih/İstanbul, 34
In very good condition. Total weight is 6 grams. Main old cut diamond is 0.83 ct . Totally is all old cut diamond about 3 ct. Totally is ruby and sapphire 0.25. Ring size is US 6.2 ...
Category

1890s European Victorian Antique Diamond Jewelry

Materials

Diamond, Ruby, Sapphire, 14k Gold, Silver

Victorian Five Stone Diamond Ring
Located in London, GB
This is a wonderful 18ct yellow gold late Victorian ring. The ring features five graduated old cut diamonds with the largest of which in the centre. The ring has been expertly crafte...
Category

1890s Victorian Antique Diamond Jewelry

Materials

Diamond, Gold, Yellow Gold

Victorian Old Cut Diamond Knot Ring
Located in London, GB
Here we have an antique knot ring from the Victorian era. This piece has been crafted from 18ct yellow gold and showcases a single old cut diamond set at the centre of a square shape...
Category

1870s Victorian Antique Diamond Jewelry

Materials

Diamond, Gold, Yellow Gold

Victorian Revival Emerald Diamond 14k Yellow Gold Cluster Ring
Located in Beverly Hills, CA
One Victorian Revival Emerald Diamond 14k Yellow Gold Cluster Ring. Featuring one octagonal step cut emerald weighing approximately 1.00 carat. Accented by 12 round brilliant cut dia...
Category

1960s Victorian Vintage Diamond Jewelry

Materials

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

Victorian Ruby Pearl and Diamond Ring
Located in London, GB
This is an antique 18ct yellow gold ruby, pearl and diamond ring from the Victorian era. The ring features a neatly detailed jagged face with an array of individually claw set gemst...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Pearl, Ruby, Gold, Yellow Gold

Victorian 0.50 Carat Old Cut Diamond Cluster Ring
Located in London, GB
This is a victorian 18ct yellow gold diamond daisy cluster ring. The ring plays host to a central old cut diamond that is surrounded by a cluster of eight smaller old cut diamonds. ...
Category

1890s Victorian Antique Diamond Jewelry

Materials

Diamond, Gold, Yellow Gold

Early Victorian Blue Enamel and Diamond Ring
Located in London, GB
This is a wonderful blue enamel and diamond ring from the Early Victorian era. The 4 old cut diamonds sit in silver cut-down collet settings and are surrounded by a blue enamel borde...
Category

19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Enamel

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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