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Diamond Jewelry

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Gemstone: Diamond
Creator: Cartier
Creator: Artisan NYC
Vintage Cartier Solid Gold 4.64ctw AGL No Heat Oval Sapphire Diamond Ring w/ Box
Located in Montclair, NJ
SAPPHIRE IS A RICH PURE ROYAL BLUE IN PERSON! ITS MAGNIFICNET! 100% NATURAL NO HEAT! SIGNED AND NUMBERED FOR CARTIER! --Stone(s):-- (1) Natural Genuine Sapphire - Oval Cut - Prong S...
Category

20th Century Diamond Jewelry

Materials

Diamond, Sapphire, Gold, White Gold, Yellow Gold

Cartier Delices de Cartier Diamond White Gold Satin Band 3380
Located in BEVERLY HILLS, CA
Cartier Delices de Cartier diamond watch 18-karat white gold with satin strap. Accommodated with an up-to-date digital appraisal by a GIA G.G. on...
Category

21st Century and Contemporary Swiss Contemporary Diamond Jewelry

Materials

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

Cartier Ballon Bleu 28mm Factory Diamond Bezel W4BB0015 Silver Dial Box Papers
Located in New York, NY
The Cartier Ballon Bleu de Cartier, reference W4BB0015, is a luxurious and elegant timepiece that combines Cartier's iconic design with exquisite craftsmanship. This model features a...
Category

21st Century and Contemporary Swiss Diamond Jewelry

Materials

Diamond, Stainless Steel

Vintage 1960s Cartier Rabbit Brooch
Located in New York, NY
Finely crafted in 18k yellow and white gold with Turquoises, Sapphires, Diamonds, and a Ruby. Signed by Cartier Circa 1960s
Category

1960s Vintage Diamond Jewelry

Materials

Diamond, Ruby, Sapphire, Turquoise, 18k Gold

Cartier Platinum 1895 Solitaire Engagement Ring 1.83ct 4.63g
Located in SYDNEY, NSW
This luxurious Cartier 1895 Solitaire engagement ring is crafted in platinum and features a stunning GIA-certified 1.23ct round ...
Category

21st Century and Contemporary Diamond Jewelry

Materials

Diamond, Platinum

Cartier Tortue Watch 18k Gold and Diamond
Located in New York, NY
Indulge in the timeless elegance of the Cartier Tortue Watch—a stunning blend of luxury and craftsmanship. This large-sized (43mm x 38mm) master...
Category

2010s European Diamond Jewelry

Materials

Diamond, 18k Gold

Cartier ‘Destinée’ 1.44ct Diamond Halo Ring
Located in London, GB
This sublime Cartier Destinée diamond halo ring is the perfect choice to showcase the superb 1.44 carat round brilliant cut diamond set in its centre. The diamond is certified by GIA, and has been graded as F in colour and IF in clarity. There are 22 diamonds claw set in the halo and a further 9 diamonds set down each shoulder totalling to 0.58 carat. This Cartier halo...
Category

21st Century and Contemporary Unknown Modern Diamond Jewelry

Materials

Diamond, Platinum

Initial T Letter Alphabet Pendant With Diamonds Made In 14k Yellow Gold
Located in New York, NY
14KT:4.641g,D:0.99ct,
Category

21st Century and Contemporary Indian Artisan Diamond Jewelry

Materials

Diamond, 14k Gold, Yellow Gold

18k Tri-Color Gold Diamond Cartier Knot Earrings
Located in Beverly Hills, CA
These elegant 18K tri-color gold Cartier earrings feature an intricate knot motif crafted from white, yellow, and rose gold, symbolizing timeless sophistication. At the center of eac...
Category

1990s Diamond Jewelry

Materials

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

4.45 Ct Ruby Band Ring With Center Diamond Made In 18k Gold
Located in New York, NY
"18KT:5.46g, Diamond:0.27ct Ruby:4.45ct"
Category

21st Century and Contemporary Indian Art Deco Diamond Jewelry

Materials

Diamond, Ruby, 18k Gold

Double Layered Ethnic Looking Ruby Cuff With Diamonds In 18k White Gold & Silver
Located in New York, NY
18kt:2.76g,D:7.06ct,Slv:40.56gm Ruby:1.42Cts
Category

21st Century and Contemporary Indian Art Deco Diamond Jewelry

Materials

Ruby, Diamond, White Gold, Silver

Cartier Paris Diamond Black Onyx Enamel Gold Ladybug Vintage Brooch
Located in Greenwich, CT
Love bug. Symbolizing good luck, this Cartier Paris diamond, black onyx, enamel, and 18 karat yellow gold vintage brooch is delightful. Circa 1975-85. Signed Cartier with serial ...
Category

1970s European Modernist Vintage Diamond Jewelry

Materials

Diamond, Gold, Enamel

Cartier Platinum Diamond Line Bracelet
Located in Great Neck Plaza, NY
A Platinum diamond line bracelet by Cartier. The bracelet features 46 round brilliant cut diamonds each individually set in a 3 claw setting with an approximate total weight of 5.03 ...
Category

21st Century and Contemporary Diamond Jewelry

Materials

Diamond, Platinum

Cartier Ballon Blue Watch WE902079 28mm Diamond 750 Pink Gold Stainless Steel
Located in Tokyo, JP
■ Item Number: 23520919 ■ Brand: Cartier ■ Product Name: Ballon Blue Watch 28mm ■ Product Number/Model: WE902079 ■ Material: Diamond, 750K18 PG pink gold, SS stainless steel ■ Wrist ...
Category

2010s Swiss Diamond Jewelry

Materials

Diamond, Gold, 18k Gold, Rose Gold, Steel, Stainless Steel

Cartier, Sapphire Diamond Jabot Brooch, GIA
Located in New York, NY
This rare Cartier Art Deco brooch features sleek, symmetrical lines that embody the pioneering spirit of the era. At its center is a Sri Lankan untreated sapphire weighing approximat...
Category

1920s Art Deco Vintage Diamond Jewelry

Materials

Sapphire, Diamond

Cartier Diamond 18k White Gold Cross Necklace
Located in Simpsonville, SC
The 18K White Gold Diamond Cross Pendant Necklace is a stunning piece of jewelry that embodies elegance and sophistication. Crafted with precision, this necklace features a unique do...
Category

21st Century and Contemporary Diamond Jewelry

Materials

Diamond, Gold, 18k Gold, White Gold

CARTIER - Trinity ring with pavé diamonds
Located in PARIS, FR
CARTIER Trinity ring in three 18k golds and diamonds. Retail price: €15,000. Condition: very good. Size: 52 (non modifiable). Design width : 4mm. Diamond weight : 0.99 carat. Total w...
Category

Early 2000s French Diamond Jewelry

Materials

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

Cartier French Art Deco Diamond and Platinum Bracelet, 18.70 Carats, Circa 1929
Located in London, GB
A French, Art Deco, Cartier strap bracelet, comprising three, rectangular, flexible, openwork, pavé set diamond panels, each centre has a trap-cut diamond, in a claw setting, flanked...
Category

1920s French Art Deco Vintage Diamond Jewelry

Materials

Diamond, Platinum

Cartier Tank Paris Diamond 18K Yellow Gold Ladies Watch
Located in Great Neck Plaza, NY
Cartier Tank Paris Ladies Watch is an elegant timepiece that exemplifies luxury and sophistication. The watch features a 21mm case made of 18K yellow gold, beautifully complemented b...
Category

21st Century and Contemporary Diamond Jewelry

Materials

Diamond, 18k Gold

Cartier 18K Yellow Gold Diamond, Emerald, Onyx and Bead ‘Panthère’ Earrings
Located in New York, NY
Diamond, Emerald, Onyx and Yellow Gold Bead ‘Panthère’ Earrings, Cartier. Cartier’s first use of the panther motif was a 1914 watch with diamonds and onyx set in platinum. The panth...
Category

20th Century French Modern Diamond Jewelry

Materials

Diamond, Emerald, Onyx, Yellow Gold

Cartier Diamond Set 18ct Yellow Gold Maillon Ring
Located in Bishop's Stortford, Hertfordshire
Cartier Diamond Set 18ct Yellow Gold Maillon Ring Product Details Xupes Ref: COMJ729 Brand: Cartier Model: Maillon Ring Type: Ring Serial Number: undefined Age: 2000 Accompanied By:...
Category

21st Century and Contemporary Unknown Contemporary Diamond Jewelry

Materials

Diamond, Yellow Gold

CARTIER Maillon Panthere Diamond White Gold 3-Row Necklace
Located in New York, NY
This fabulous Cartier necklace from the iconic Maillon Panthere collection features 3 rows of rectangular links crafted in 18k white gold and set with an estimated 240 round brillian...
Category

Early 2000s Diamond Jewelry

Materials

Diamond, 18k Gold, White Gold

Carved Emerald Cocktail Ring With Diamonds In 18k Yellow Gold
Located in New York, NY
18KT:10.081g,D:2.90ct, Emer:15.74ct,
Category

21st Century and Contemporary Indian Art Deco Diamond Jewelry

Materials

Emerald, Diamond, 18k Gold, Yellow Gold

Cartier Art Deco Jade, Coral, Onyx and Platinum Diamond Sautoir Necklace
Located in New York, NY
This 1920s Art Deco masterpiece by Cartier was inspired by the exotic gemstone combinations and design motifs of the Far East. Long sautoirs were all the rage and complimented the so...
Category

1920s American Art Deco Vintage Diamond Jewelry

Materials

Coral, Diamond, Jade, Onyx, Platinum

3.79 ct Ruby & Diamond Cocktail Ring Made In 18k Rose Gold
Located in New York, NY
18KT:5.27g, Diamond:0.41ct Ruby:3.79ct
Category

21st Century and Contemporary Indian Artisan Diamond Jewelry

Materials

Diamond, Ruby, 18k Gold, Rose Gold

Aquamarine Chandelier Earrings Connected With Diamonds Made In 18k White Gold
Located in New York, NY
18KT:14.238g, Diamond:0.80ct, Aqua:21.60ct, Size: 76X23 MM"
Category

21st Century and Contemporary Indian Contemporary Diamond Jewelry

Materials

Aquamarine, Diamond, 18k Gold, White Gold

Cartier Juste Un Clou Classic Band Ring with Diamonds in 18 Karat White Gold, 56
Located in Scottsdale, AZ
Ring size: 56 / 7.5 US This Cartier Juste un Clou Classic ring captures bold elegance with an iconic nail-inspired design. Crafted in 18 karat white gold, it wraps fluidly around t...
Category

21st Century and Contemporary Unknown Contemporary Diamond Jewelry

Materials

Diamond, Gold, 18k Gold, White Gold

CARTIER - Trinity ring with pavé diamonds
Located in PARIS, FR
CARTIER Trinity ring in three 18k golds and diamonds. Retail price: €15,000. Condition: very good. Size: 53 (non-modifiable). Design width : 4mm. Diamond weight : 0.99 carat. Total w...
Category

Early 2000s French Diamond Jewelry

Materials

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

Tiger Eye Dangle Earrings Wrapped Snake In 18K Gold With Diamond & Tsavorite
Located in New York, NY
18KT:18.992g,D:6.38ct, Tige:34.95ct,Tsav:0.17ct
Category

21st Century and Contemporary Indian Contemporary Diamond Jewelry

Materials

Diamond, Multi-gemstone, Tsavorite, 18k Gold, Yellow Gold

Cluster Diamond Solitaire Band Ring Made In 18kt Yellow Gold
Located in New York, NY
This band ring features a striking cluster of brilliant-cut diamonds arranged to create the look of a larger solitaire. Crafted in warm 18k yellow gold, the piece brings together sim...
Category

21st Century and Contemporary Indian Art Deco Diamond Jewelry

Materials

Diamond, 18k Gold, Yellow Gold

Cartier Platinum Destinée Solitaire GIA Certified Diamond Ring
Located in New York, NY
Cartier Destinée solitaire engagement diamond ring crafted in platinum center stone is GIA certified in H color / VVS1 clarity GIA certificate # 7212499393 The Destinée setting is c...
Category

21st Century and Contemporary French Modern Diamond Jewelry

Materials

Diamond, Platinum

Cushion Shaped Ceylon Blue Sapphire Band Ring With Diamonds In 18k White Gold
Located in New York, NY
This elegant band ring features a richly colored cushion-cut Ceylon blue sapphire at its center, flanked by a series of sparkling diamonds that enhance its brilliance. Set in polishe...
Category

21st Century and Contemporary Indian Art Deco Diamond Jewelry

Materials

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

3 Stone Ceylon Blue Sapphire Band Ring With Diamonds Made In 18k White Gold
Located in New York, NY
This refined band ring showcases three oval-cut Ceylon blue sapphires, evenly spaced and accented with brilliant diamonds for a classic yet eye-catching design. The 18k white gold se...
Category

21st Century and Contemporary Indian Art Deco Diamond Jewelry

Materials

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

Cluster Diamond Solitaire Band Ring Made In 18kt White Gold
Located in New York, NY
This elegant band ring features a central cluster of brilliant diamonds, creating a solitaire-style look with added sparkle. Crafted in 18k white gold, it combines refined design wit...
Category

21st Century and Contemporary Indian Art Deco Diamond Jewelry

Materials

Diamond, 18k Gold, White Gold

Mosambique Ruby Band Ring With Diamonds Made In 18k White Gold
Located in New York, NY
Designed with attention to detail, this band ring features a rich Mozambique ruby at the center, enhanced by a row of sparkling diamonds. The 18k white gold setting gives it a clean,...
Category

21st Century and Contemporary Indian Art Deco Diamond Jewelry

Materials

Ruby, Diamond, 18k Gold, White Gold

Cartier Essential Lines Tennis Bracelet in 18k White Gold
Located in Miami, FL
Designer: Cartier Collection: Essential Lines Material: White Gold Stones: 54 Round Brilliant Cut Diamonds Total Carat Weight: approx. 2.5 ct Total Item Weight: 9.3 grams Length: 16 ...
Category

21st Century and Contemporary Contemporary Diamond Jewelry

Materials

Diamond, 18k Gold, White Gold

Cluster Diamond Solitaire Band Ring Made In 18kt Yellow Gold
Located in New York, NY
This refined diamond band ring features a delicate cluster of diamonds that form a clean and understated solitaire look. Crafted in 18k yellow gold, its minimal yet detailed setting ...
Category

21st Century and Contemporary Indian Art Deco Diamond Jewelry

Materials

Diamond, 18k Gold, Yellow Gold

3 Stone Ceylon Blue Sapphire Band Ring With Diamonds Made In 18k White Gold
Located in New York, NY
This elegant band ring showcases three vibrant Ceylon blue sapphires at its center, offering a bold pop of color and timeless appeal. Set in polished 18k white gold and accented with...
Category

21st Century and Contemporary Indian Art Deco Diamond Jewelry

Materials

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

Vivid Brilliant Diamonds Band Ring Made In 18k White Gold
Located in New York, NY
This band ring features a row of vivid, brilliant-cut diamonds set in polished 18k white gold. Clean and versatile, it’s a great choice for everyday wear or stacking with other rings...
Category

21st Century and Contemporary Indian Art Deco Diamond Jewelry

Materials

Diamond, 18k Gold, White Gold

Cartier Tank Francaise WE1010R8 18K Yellow Gold & Diamond Service Papers
Located in Great Neck Plaza, NY
Cartier Tank Francaise 1840 Watch. This watch features a 28mm case made of 18K yellow gold and is adorned with a factory-set, two-row diamond bezel. The ivory dial includes blue stee...
Category

21st Century and Contemporary Diamond Jewelry

Materials

Diamond, 18k Gold

Cartier Diamond 18K Rose Gold Hidden Letter Envelope Charm Pendant
Located in Simpsonville, SC
The Cartier Diamond 18K Rose Gold Hidden Letter Envelope Charm Pendant is a masterpiece of refined elegance and sentimental charm. Crafted from luminous...
Category

21st Century and Contemporary Diamond Jewelry

Materials

Diamond, Gold, 18k Gold, Rose Gold

Cluster Diamond Solitaire Band Ring Made In 18kt White Gold
Located in New York, NY
This cluster solitaire band ring combines simplicity with impact, featuring a central grouping of brilliant diamonds that create the look of a larger solitaire. Set in solid 18k whit...
Category

21st Century and Contemporary Indian Art Deco Diamond Jewelry

Materials

Diamond, 18k Gold, White Gold

Center Stone Baguette Diamond Solitaire Ring Accented With Pave Diamonds In 18k
Located in New York, NY
A sleek baguette-cut diamond takes center stage in this solitaire ring, enhanced by a band of pave-set diamonds for added brilliance. Crafted in 18k gold, this design offers a clean,...
Category

21st Century and Contemporary Indian Art Deco Diamond Jewelry

Materials

Diamond, 18k Gold

Oval Shaped Mozambique Ruby Snow Flake Ring With Diamonds Made in 18k White Gold
Located in New York, NY
Designed with a detailed snowflake-style setting, this ring showcases an oval-cut Mozambique ruby at its center, surrounded by precisely arranged diamonds. Set in 18k white gold, it ...
Category

21st Century and Contemporary Indian Art Deco Diamond Jewelry

Materials

Ruby, Diamond, 18k Gold, White Gold

3 Stone Ceylon Mosambique Ruby Band Ring With Diamonds Made In 18k White Gold
Located in New York, NY
Crafted in 18k white gold, this ring features three richly colored Mozambique rubies set side by side, accented with sparkling diamonds along the band. The combination of vivid red a...
Category

21st Century and Contemporary Indian Art Deco Diamond Jewelry

Materials

Ruby, Diamond, 18k Gold, White Gold

Cartier Paris Diamond Gold Ring
Located in Feasterville, PA
An exceptionally rare authentic Cartier ring in 18k white gold set with the finest Cartier round brilliant cut diamonds. Size: US 6 1/2 / EU 53 Dimensions: .53″ Inches Wide In...
Category

1990s Diamond Jewelry

Materials

Diamond, 18k Gold, White Gold

Cartier Love Bracelet on Chain 2 Diamonds in 18k Gold
Located in New York, NY
A child of 1970s New York, the LOVE collection remains today an iconic symbol of love that transgresses convention. The screw motifs, ideal oval shape and undeniable elegance establi...
Category

21st Century and Contemporary Diamond Jewelry

Materials

Diamond, 18k Gold, Rose Gold

Cartier Paris Vintage Trinity Double C Cuff Bracelet In 18Kt Gold With Diamonds
Located in Miami, FL
Trinity cuff with diamonds designed by Cartier. Very attractive cuff bracelet from the Trinity collection, created by the French jewelry house of Cartier, back in the early 1980. Th...
Category

1980s French Modernist Vintage Diamond Jewelry

Materials

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

CARTIER Caresse D'Orchidees Ruby Pink Diamond White Gold Ring
Located in New York, NY
This stunning ring from Cartier's High Jewelry Caresse D'Orchideescollection is designed as orchid flower and set with a natural 6.5mm x 7.0mm faceted oval ruby in the center. The pe...
Category

Early 2000s Diamond Jewelry

Materials

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

Antique Art Deco 1930s Cartier Platinum Diamond Pin
Located in New York, NY
Finely crafted in Platinum with Old European cut Diamonds weighing approximately a total of 1.80 carats. Signed by Cartier 2 1/2 x 1/8 inch
Category

1930s Art Deco Vintage Diamond Jewelry

Materials

Diamond, Platinum

Cartier Tank Francais Watch with Diamonds
Located in New York, NY
Finely crafted in 18k white gold with Round Brilliant cut Diamonds. Signed by Cartier 25 mm face Model #2491
Category

21st Century and Contemporary Diamond Jewelry

Materials

Diamond, 18k Gold

Emerald and diamond brooch Floral design
Located in Tel Aviv - Jaffa, IL
Emerald and diamond brooch Floral design. With platinum. One flower set with an rectangular shaped emerald. The petals pave set with circular cut diamonds. The Steve’s with baguette ...
Category

1930s French Art Deco Vintage Diamond Jewelry

Materials

Diamond, Emerald, Platinum

6.76ct Blue Zircon Ring With Diamonds Made In 18k Gold
Located in New York, NY
18KT:5.531g,D:0.57ct, Zirc:6.76ct, Size: US-7
Category

21st Century and Contemporary Indian Contemporary Diamond Jewelry

Materials

Diamond, Zircon, Blue Zircon, 18k Gold, White Gold

Cartier 18K Yellow Gold 5.0 ct Diamond Domed Ring
Located in Southampton, PA
Elegance and refinement define the style of this Cartier dome ring. It features an 18K yellow gold band in high polish finish. The wide top features multiple rows of brilliant round ...
Category

21st Century and Contemporary Diamond Jewelry

Materials

Diamond, 18k Gold, Yellow Gold

A Pair of Exceptional Cartier Art Deco Diamond Bracelets
Located in Chicago, IL
This one of a kind pair of Art Deco Cartier bracelets boasts numerous gorgeous old European and old mine cut diamonds weighing 12.00 carats total. Crafted with perfection in mind, ea...
Category

1920s Art Deco Vintage Diamond Jewelry

Materials

Diamond, Platinum

Cartier Love Ring Mini Model 72 Brilliant Cut Paved Diamonds Rose Gold Size 55
Located in Aventura, FL
A child of 1970s New York, the LOVE collection remains today an iconic symbol of love that transgresses convention. The screw motifs, ideal oval shape, and undeniable elegance establ...
Category

21st Century and Contemporary American Modernist Diamond Jewelry

Materials

Diamond, Rose Gold

Cartier, Juste Un Clou Yellow Gold and Diamond Hoop Large Model Earrings
Located in Chicago, IL
In a sleek modern nail design, these Cartier hoops from the Juste Un Clou collection, contain 28 round brilliant cut diamonds weighing 0.17 carat total. Measurements: 1 3/4 inches l...
Category

21st Century and Contemporary Contemporary Diamond Jewelry

Materials

Diamond, 18k Gold, Yellow Gold

Aquamarine Dangle Earrings Accented With Blue Sapphire & Diamonds
Located in New York, NY
18KT:7.583g,D:0.60ct, Aqua:10.07ct,Sapp:1.00ct, 41X11 MM
Category

21st Century and Contemporary Indian Artisan Diamond Jewelry

Materials

Aquamarine, Sapphire, Diamond, Blue Sapphire, 18k Gold

Cartier Maillon Panthere Diamond Wedding Band Ring
Located in San Diego, CA
Cartier Maillon Panthere Diamond Band Ring Style: Band Ref. number: CRB4221053 Metal: 18kt White Gold Size: Cartier Size 53 - US 6.25 Measurements: 2.5 MM TCW: 12 Round Brillia...
Category

Early 2000s Diamond Jewelry

Materials

Diamond, 18k Gold, White Gold

Cartier Emerald, Ruby, Sapphire and Diamond Star Design Band, 18k
Located in New York, NY
A French Cartier Emerald, Ruby, Sapphire and Diamond Star Design Band made in 18k Yellow Gold. The total weight of the ring is 16 grams. The ring size is US 5. SKU: 1217-HDJAMPKR
Category

20th Century Diamond Jewelry

Materials

Diamond, Emerald, Ruby, Sapphire, 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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