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Tiffany Diamonds

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Tiffany Co. 18k White Gold HardWear Pavé Diamond Ball Pendant Necklace
By Tiffany Co.
Located in Chicago, IL
Tiffany & Co. 18k White Gold HardWear Pavé Diamond Ball Pendant Necklace This authentic Tiffany
Category

2010s American Modern Pendant Necklaces

Materials

Diamond, White Diamond, 18k Gold, White Gold

Tiffany Co. Schlumberger Vigne Diamond Ring Size J (49)
By Tiffany Co.
Located in London, GB
Here we have a superb diamond ring from the world renowned luxury jewellery designer Tiffany & Co
Category

21st Century and Contemporary Cluster Rings

Materials

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

Tiffany Co. 1.14 Carats Diamond Platinum Solitaire Engagement Ring GIA
By Tiffany Co.
Located in Philadelphia, PA
brilliant cut diamond weighing 1.14 carats, I color with VS1 clarity. Crown is laser inscribed with Tiffany
Category

Early 2000s Contemporary Engagement Rings

Materials

Diamond, White Diamond, Platinum

Tiffany Co. Baguette Cut Diamond Eternity Ring Size K (50)
By Tiffany Co.
Located in London, GB
Here we have a platinum eternity band ring the world renowned jewellery designer Tiffany & Co. The
Category

21st Century and Contemporary Band Rings

Materials

Diamond, Platinum

Tiffany Co. 2.50 Carat Emerald Diamond 18k Band Ring
By Tiffany Co.
Located in Chicago, IL
Tiffany & Co. Diamonds 1.4ct TW, most about F-G and VS range Emeralds tested and are natural
Category

Early 2000s American Contemporary Band Rings

Materials

Diamond, Emerald, Gold, 18k Gold

Tiffany Co. Grace Platinum Princess Brilliant Cut Diamond Engagement Ring
By Tiffany Co.
Located in Chicago, IL
Behold the genuine Tiffany & Co. Grace Platinum Princess Brilliant Cut Diamond Engagement Ring
Category

2010s American Cocktail Rings

Materials

Diamond, White Diamond, Platinum

Tiffany Co. Platinum Diamond Earring Bracelet Set 3.35ct TDW
By Tiffany Co.
Located in Mayfair, London, London
A scintillating platinum diamond jewellery suite from Tiffany & Co. The earrings and bracelet
Category

21st Century and Contemporary American Dangle Earrings

Materials

Diamond, Platinum

Tiffany Co. Elsa Peretti Band Ring with Diamond in Platiunum
By Tiffany Co.
Located in San Diego, CA
Tiffany & Co. Elsa Peretti Band Ring Style: Band Ref. number: 60016398 Metal: Platinum PT950
Category

2010s Band Rings

Materials

Diamond, Platinum

TIFFANY Co. Platinum .18ct Diamond Bezet Band Ring 4.5 New
By Tiffany Co.
Located in Los Angeles, CA
TIFFANY & Co. Platinum .18ct Diamond Bezet Band Ring 4.5 Metal: Platinum Size: 4.5 Band Width
Category

2010s American Wedding Rings

Materials

Diamond, Platinum

Tiffany Co. 1.54ct Diamond 18ct Rose Gold Elsa Diamonds by the Yard Necklace
By Tiffany Co.
Located in Bishop s Stortford, Hertfordshire
Tiffany & Co. 1.54ct Diamond 18ct Rose Gold Elsa Peretti Diamonds by the Yard Necklace Brand
Category

21st Century and Contemporary Chain Necklaces

Materials

Diamond, Rose Gold

Emerald and Diamond 18K Gold Ring by Tiffany Co.
By Tiffany Co.
Located in Beverly Hills, CA
This immaculate 18K yellow gold ring by Tiffany & Co. features a stunning 3.15-carat oval sugarloaf
Category

Vintage 1970s Cocktail Rings

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

Vintage Tiffany Co. Diamond Sapphire Flower Platinum Pin Brooch
By Tiffany Co.
Located in Southampton, PA
Vintage Platinum Diamond Sapphire Flower Pin Brooch by Tiffany & Co. With 85 Round brilliant cut
Category

Vintage 1960s American Brooches

Materials

Diamond, Sapphire, Platinum

Tiffany Co. 4.49 Carat Round Cut Diamond Platinum Solitaire Ring
By Tiffany Co.
Located in Chicago, IL
Tiffany & Co. 4.49 ct Total Weight Platinum Round Brilliant Cut Diamond Solitaire Engagement Ring
Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, White Diamond, Platinum

TIFFANY Co. - 18K YELLOW GOLD OVAL BLACK ONYX + DIAMOND CUFFLINKS
By Tiffany Co.
Located in New York, NY
TIFFANY & Co. - 18K YELLOW GOLD OVAL BLACK ONYX + DIAMOND CUFFLINKS Details: 18k yellow gold Cuffs
Category

20th Century Cufflinks

Materials

Diamond, Onyx, 18k Gold, Yellow Gold

Tiffany Co Diamond Love Pendant Necklace 18k White Gold Signed Jewelry
By Tiffany Co.
Located in Torrance, CA
Stylish and finely detailed pre-owned Tiffany Co diamond "Love" pendant necklace
Category

21st Century and Contemporary Italian Contemporary Pendant Necklaces

Materials

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

TIFFANY Co. Etoile Platinum Diamond 4mm Band Ring 5.5 New
By Tiffany Co.
Located in Los Angeles, CA
TIFFANY Co. Etoile Platinum Diamond 4mm Band Ring 5.5 Metal: Platinum Size: 5.5 Band Width
Category

2010s American Wedding Rings

Materials

Diamond, Platinum

Tiffany Co Etoile Diamond Yellow Gold And Platinum Hoop Earrings
By Tiffany Co.
Located in Southampton, PA
18k Yellow Gold & Platinum "Etoile" Diamond Hoop Earrings by Tiffany & Co. The Tiffany & Co 18k
Category

20th Century American Clip-on Earrings

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

TIFFANY Co. Platinum 3.9mm Half Circle Diamond Wedding Band Ring 5
By Tiffany Co.
Located in Los Angeles, CA
TIFFANY & Co. Platinum 3.9mm Half Circle Diamond Wedding Band Ring 5 Metal: Platinum Size: 5 Band
Category

2010s American Wedding Rings

Materials

Diamond, Platinum

Tiffany Co. Pansy Sapphire Emerald Diamond Gold Platinum Brooch
By Tiffany Co.
Located in New York, NY
sapphires and approx. 1.00ctw G/VS diamonds. The brooch measures 1" x 1". Hallmarked 750, pt950, Tiffany
Category

Vintage 1980s Brooches

Materials

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

Tiffany Co. Lock Bangle White Gold Full Pave Diamonds 70877767
By Tiffany Co.
Located in New York, NY
This Tiffany & Co. Lock Bangle is a bold and visual statement about the personal bonds that make us
Category

21st Century and Contemporary Bangles

Materials

Diamond, White Gold

Tiffany Co. Yellow Gold Diamond Vintage Vennerie Bracelet
By Tiffany Co.
Located in New York, NY
Tiffany Co. Yellow Gold Diamond Vintage Vennerie Bracelet PRIMARY DETAILS SKU: 149109
Category

21st Century and Contemporary More Bracelets

Materials

Yellow Gold

Tiffany Wedding Band, Diamond (Approx. 0.20-Carats) Round Cut
By Tiffany Co.
Located in New York, NY
This exquisite Tiffany Co. wedding band is masterfully crafted in 18k white gold, featuring a
Category

21st Century and Contemporary Unknown Art Deco Band Rings

Materials

Diamond, Gold, White Gold

Tiffany Co. Elsa Peretti Diamond Platinum Open Heart Pendant Necklace
By Tiffany Co.
Located in New York, NY
This gorgeous iconic Tiffany Co. necklace is designed by Elsa Peretti and features an open
Category

2010s Pendant Necklaces

Materials

Diamond, Platinum

Tiffany Co. Soleste Natural Round Diamond Halo VVS Platinum Pendant Necklace
By Tiffany Co.
Located in Birmingham, GB
Vintage Tiffany & Co. Soleste Round Cut Natural Diamond Halo 950 Platinum Necklace. Approx. 0.51
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Platinum

Tiffany Co. Antique 1.57 Carat Fancy Vivid Yellow Diamond Engagement Ring
By Tiffany Co.
Located in London, GB
Remaining Diamond Weight: Approx. 0.18ct Tested As: Platinum Maker's Mark: TIFFANY Co. Period: Circa
Category

Vintage 1920s Edwardian Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Keys Sterling Silver Blossom Flower Diamond Key Pendant Charm
By Tiffany Co.
Located in Baltimore, MD
Tiffany & Co. Keys Sterling Silver Blossom Flower Natural Diamond Key Pendant Charm Metal: Sterling
Category

21st Century and Contemporary Modern Necklace Enhancers

Materials

Diamond, Sterling Silver

Tiffany Co. 18K White Gold Diamond Petals Key Pendant
By Tiffany Co.
Located in New York, NY
Brilliant beacons of optimism and hope, Tiffany Keys are radiant symbols of a bright future. This
Category

20th Century American Modern Pendant Necklaces

Materials

Diamond, White Gold

Tiffany Co. Schlumberger Vigne Diamond Ring Size J (49)
By Tiffany Co.
Located in London, GB
Here we have a superb diamond ring from the world renowned luxury jewellery designer Tiffany & Co
Category

21st Century and Contemporary Engagement Rings

Materials

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

Tiffany Co. 2 GIA Certified Round Brilliant Diamond Platinum Stud Earrings
By Tiffany Co.
Located in Chicago, IL
These exceptional Tiffany Co. 2 carat diamond stud earrings are GIA certified, offering
Category

2010s Stud Earrings

Materials

Diamond, Platinum

Tiffany Co. 1.29 CTW Diamond Platinum Contemporary Solitaire Engagement Ring
By Tiffany Co.
Located in Philadelphia, PA
Centering a round brilliant cut diamond weighing 1.29 carats - I color with VS1 clarity Set in a
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, Platinum

Tiffany Co 1.19 Carat E VS2 Diamond Platinum Engagement Ring Vintage
By Tiffany Co.
Located in New York, NY
authentic Tiffany Co diamond engagement ring represents enduring craftsmanship, luxury, and timeless
Category

20th Century Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Inside-Out Diamond Hoop Earrings 4.50ct in Platinum
By Tiffany Co.
Located in Tokyo, JP
■ Product Number: 24080332 ■ Brand: TIFFANY&Co. ■ Product Name: Inside-out hoop diamond
Category

2010s American Hoop Earrings

Materials

Diamond, Platinum

Tiffany Co. 3.91 Ct. Round Brilliant Cut Diamond Engagement Ring
By Tiffany Co.
Located in Chicago, IL
Tiffany & Co. Platinum Three-Stone Diamond Engagement Ring – 3.91ct Total Weight This exquisite
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. 0.25ct Diamond 18ct Yellow Gold Mini Hearts Necklace
By Tiffany Co.
Located in Bishop s Stortford, Hertfordshire
Tiffany & Co. 0.25ct Diamond 18ct Yellow Gold Mini Hearts Necklace Product Details Xupes Ref
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Yellow Gold

Magnificent Tiffany Co. 22 Carat Natural Blue Sapphire and Diamond Necklace
By Tiffany Co.
Located in Chicago, IL
Magnificent Tiffany & Co. 22 Carat Natural Blue Sapphire and Diamond Necklace An extraordinary
Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Blue Sapphire, Platinum

TIFFANY Co. Harmony Platinum Diamond Ring with Side Stones 5.5
By Tiffany Co.
Located in Los Angeles, CA
TIFFANY & Co. Harmony Platinum Diamond Ring with Side Stones 5.5 Metal: Platinum Size: 5.5 Weight
Category

2010s American Wedding Rings

Materials

Diamond, Platinum

Schlumberger Tiffany Co. Turquoise Diamond Platinum 18K Vintage Nest Earrings
By Tiffany Co.
Located in Philadelphia, PA
cut diamonds prong set in platinum throughout Weighing approximately 1.20 carats total - G color with
Category

Vintage 1960s Modern Drop Earrings

Materials

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

Tiffany Co Diamond Platinum Yellow Gold Bow Ribbon Ring
By Tiffany Co.
Located in Southampton, PA
18k Yellow Gold And Platinum Diamond Bow Ribbon Ring by Tiffany & Co. With 40 Round Brilliant Cut
Category

Vintage 1980s American Cocktail Rings

Materials

Diamond, Yellow Gold, Platinum

TIFFANY Co. Harmony Platinum Diamond Ring with Side Stones 7.25
By Tiffany Co.
Located in Los Angeles, CA
TIFFANY & Co. Harmony Platinum Diamond Ring with Side Stones 7.25 Metal: Platinum Size: 7.25
Category

2010s American Wedding Rings

Materials

Diamond, Platinum

Tiffany Co. Art Deco Sapphire and Diamond Bar Pin
By Tiffany Co.
Located in Bethesda, MD
This Tiffany & Co. Art Deco platinum pin sounds exquisite! Featuring 10 diamonds with a total of
Category

Vintage 1930s American Art Deco Brooches

Materials

Diamond, Sapphire, Platinum

Tiffany Co. 18K Gold, Platinum, Diamond Opal Brooch Pendant Museum-Quality
By Tiffany Co.
Located in Chicago, IL
This exceptional antique Tiffany Co. brooch/pendant showcases masterful craftsmanship and
Category

2010s American Pendant Necklaces

Materials

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

Tiffany Co. 2.04 Carat Emerald Cut Pink Sapphire Baguette Diamond Ring
By Tiffany Co.
Located in Chicago, IL
Tiffany & Co. 2.04 Carat Emerald Cut Pink Sapphire & Baguette Diamond Ring in 18K Yellow Gold
Category

2010s American Modern Cocktail Rings

Materials

Pink Sapphire, White Diamond, Diamond, Platinum

Tiffany Co. 0.13ct Diamond Platinum Extra Mini Hearts Stud Earrings
By Tiffany Co.
Located in Bishop s Stortford, Hertfordshire
Tiffany & Co. 0.13ct Diamond Platinum Extra Mini Hearts Stud Earrings Product Details Xupes Ref
Category

21st Century and Contemporary American Stud Earrings

Materials

Diamond, Platinum

TIFFANY Co. Platinum 950 Diamond 2.2mm Wedding Band Size 5
By Tiffany Co.
Located in New York, NY
TIFFANY & Co. Platinum 950 Diamond 2.2 mm Wedding Band size 5 PT 950 Ring size: 5 Wide : 2.2 mm
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

Tiffany&Co. Yellow Gold METRO Diamond Hinged Bangle Medium size
By Tiffany Co.
Located in New York, NY
Brand-Tiffany &Co. Mint Condition Type-Bracelet Bracelet Size-Medium Style-Bangle Metal-Yellow Cold
Category

21st Century and Contemporary Bangles

Materials

Diamond, Yellow Gold

Tiffany Co. Victoria Alternating Ring Diamond Marquise W/ Papers Size 7
By Tiffany Co.
Located in Fairfield, CT
Tiffany Co. Victoria Alternating Ring Diamond Marquise W/ Papers Size 7 This Tiffany &
Category

21st Century and Contemporary Modern Band Rings

Materials

Diamond, Platinum

Tiffany Co. Victoria Diamond Line Necklace in Platinum, 10.38 Carats Total
By Tiffany Co.
Located in Chicago, IL
This elegant Tiffany Co. Victoria graduated line necklace is a refined expression of modern
Category

2010s American Contemporary Link Necklaces

Materials

Diamond, Platinum

Tiffany Co Heart Diamond Charm Platinum Ring
By Tiffany Co.
Located in New York, NY
Good condition - Platinum - Band width: 2.7mm - Ring size: 7 - Diamond: 0.17ct - Comes with Tiffany
Category

Early 2000s Band Rings

Tiffany Co. Brilliant Cut Diamond Platinum 3mm Half Eternity Ring
By Tiffany Co.
Located in Bishop s Stortford, Hertfordshire
Tiffany Co. Brilliant Cut Diamond Platinum 3mm Half Eternity Ring Product Details Xupes Ref
Category

2010s Wedding Rings

Materials

Diamond, Platinum

Tiffany Co. Victoria Pendant Necklace Aquamarine Diamond Platinum 16" Chain
By Tiffany Co.
Located in Northbrook, IL
This is a Tiffany & Co. Victoria collection rare vintage pendant necklace. The pendant is crafted
Category

21st Century and Contemporary Pendant Necklaces

Materials

Aquamarine, Diamond, Platinum

Tiffany Co. 18K Yellow Gold and Diamond "X" Bracelet #22756
By Tiffany Co.
Located in Washington Depot, CT
Tiffany & Co. 18K Yellow Gold and Diamond "X" Bracelet- This elegant bracelet by Tiffany & Co
Category

20th Century Contemporary Link Bracelets

Materials

Diamond, 18k Gold, White Gold, Yellow Gold

TIFFANY Co. Soleste 18K Rose Gold Diamond V Ring 4.5
By Tiffany Co.
Located in Los Angeles, CA
TIFFANY & Co. Soleste 18K Rose Gold Diamond V Ring 4.5 Designed to nest with your Tiffany
Category

2010s American Wedding Rings

Materials

Diamond, Rose Gold

Tiffany Co. Platinum Diamond Elsa Peretti Diamond By The Yard Necklace
By Tiffany Co.
Located in New York, NY
Tiffany Co. Platinum Diamond Elsa Peretti Diamond By The Yard Necklace PRIMARY DETAILS SKU
Category

21st Century and Contemporary Link Necklaces

Materials

Platinum

Tiffany Co. Diamond and Keshi Pearl Butterfly Brooch Circa 2012
By Tiffany Co.
Located in London, GB
A large diamond and pearl butterfly brooch by Tiffany & Co. circa 2012. The brooch is designed as a
Category

21st Century and Contemporary British Brooches

Materials

White Diamond, Pearl, Platinum

1980 Tiffany Co 18 Carat Yellow Gold Diamonds Necklace
By Tiffany Co.
Located in Rome, IT
Collana semirigida realizzata in oro giallo 18 kt. con diamanti firmata Tiffany. Questo bellissimo
Category

Vintage 1980s American Modern Choker Necklaces

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Tiffany Co. 18 Karat White Gold Diamond Signature X Necklace
By Tiffany Co.
Located in Philadelphia, PA
This elegant Tiffany & Co. diamond necklace features a continuous design of interlocking "X" motifs
Category

21st Century and Contemporary Italian Link Necklaces

Materials

Diamond, 18k Gold, White Gold

Tiffany Co. Soleste Diamond Band Ring in Platinum, size 5½
By Tiffany Co.
Located in Bethesda, MD
This exquisite Tiffany & Co. Soleste full circle band ring features a seamless row of brilliant
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Platinum

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Tiffany Diamonds For Sale on 1stDibs

Browse a vast assortment of tiffany diamonds for sale on 1stDibs. These distinct designs — crafted with great care and often made from platinum, gold and 18k gold — can elevate any look. Our selection of items includes 8020 vintage examples as well as 8598 contemporary versions. Our collection, which features older pieces for sale from the 18th Century and newer versions made as recently as the 21st Century, has proven very popular over the years. Our collection of tiffany diamonds includes designs that are universally popular, but modern and contemporary styles, specifically, are sought with frequency. Versions of these items have been a part of the life’s work for many jewelers, but those produced by Tiffany Co., Jean Schlumberger for Tiffany Co. and Elsa Peretti for Tiffany Co. are consistently popular. A selection of round cut, brilliant cut and cushion cut can be found today on these pages. When shopping our range of tiffany diamonds, you’ll find that there are less available pieces for men today than there are for women.

How Much are Tiffany Diamonds?

Prices for tiffany diamonds start at $1 and top out at $3,200,000 with these rings, on average, selling for $4,997.

Tiffany Co. for sale on 1stDibs

Tiffany Co. is one of the most prominent purveyors of luxury goods in the United States, and has long been an important arbiter of style in the design of diamond engagement rings. A young Franklin Delano Roosevelt proposed to his future wife, Eleanor, with a Tiffany ring in 1904. Vanderbilts, Whitneys, Astors and members of the Russian imperial family all wore Tiffany Co. jewelry. And Jacqueline Kennedy Onassis preferred Tiffany china for state dinners at the White House.

Although synonymous with luxury today, the firm started out rather modestly. Charles Lewis Tiffany and John B. Young founded it in Connecticut as a “stationery and fancy goods emporium” in 1837, at a time when European imports still dominated the nascent American luxury market. In 1853, Charles Tiffany — who in 1845 had launched the company’s famed catalog, the Blue Book, and with it, the firm’s signature robin’s-egg blue, which he chose for the cover — shifted the focus to fine jewelry.

In 1868, Tiffany Co. gained international recognition when it became the first U.S. firm to win an award for excellence in silverware at the Exposition Universelle in Paris. From then on, it belonged to the pantheon of American luxury brands.

At the start of the Gilded Age, in 1870, Tiffany Co. opened its flagship store, described as a "palace of jewels" by the New York Times, at 15 Union Square West in Manhattan. Throughout this period, its designs for silver tableware, ceremonial silver, flatware and jewelry were highly sought-after indicators of status and taste. They also won the firm numerous accolades, including the grand prize for silverware at the Paris Exposition of 1878. Among the firm’s glittering creations from this time are masterworks of Art Nouveau jewelry, such as this delicate aquamarine necklace and this lavish plique-à-jour peridot and gold necklace, both circa 1900.

When Charles Lewis Tiffany died, in 1902, his son Louis Comfort Tiffany became the firm’s design director. Under his leadership, the Tiffany silver studio was a de facto design school for apprentice silversmiths, who worked alongside head artisan Edward C. Moore. The firm produced distinctive objects inspired by Japanese art and design, North American plants and flowers, and Native American patterns and crafts, adding aesthetic diversity to Tiffany Co.’s distinguished repertoire.

Tiffany is also closely associated with diamonds, even lending its name to one particularly rare and exceptional yellow stone. The firm bought the Tiffany diamond in its raw state from the Kimberley mines of South Africa in 1878. Cut to create a 128.54-carat gem with an unprecedented 82 facets, it is one of the most spectacular examples of a yellow diamond in the world.

In a broader sense, Tiffany Co. helped put diamonds on the map in 1886 by introducing the American marketplace to the solitaire diamond design, which is still among the most popular engagement-ring styles. The trademark Tiffany® Setting raises the stone above the band on six prongs, allowing its facets to catch the light. A lovely recent example is this circa-2000 platinum engagement ring. Displaying a different design and aesthetic (but equally chic) is this exquisite diamond and ruby ring from the 1930s.

Find Tiffany Co. jewelry, serveware and decorative objects for sale on 1stDibs.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.  

Questions About Tiffany Co.
  • 1stDibs ExpertAugust 17, 2021
    A Tiffany Co. engagement ring can cost as little as $13,000 or as much as $500,000 depending on the center stone’s carat weight, the band material and whether or not there are any side stones. The smaller the stone, the cheaper the ring will be. Find engagement rings designed by Tiffany Co. on 1stDibs.