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Tiffany Co. Bubbles Pink Sapphire Diamond Platinum Necklace
By Tiffany Co.
Located in Lambertville, NJ
. 0.12ctw in diamonds. Necklace is 16" long, pendant - 18mm x 7mm. Marked - Tiffany & Co, PT950, 2002
Category

21st Century and Contemporary American More Necklaces

Materials

Diamond, Pink Sapphire, Platinum

Tiffany Co. Etoile 18K Platinum Diamond Hinged Bangle
By Tiffany Co.
Located in Fuquay Varina, NC
From Tiffany & Co. comes this Etoile 18k gold & platinum hinged bangle with .30ctw of VS quality
Category

Late 20th Century North American Bangles

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Tiffany Co. Diamond Platinum Tennis Bracelet 16.78 Carat
By Tiffany Co.
Located in Sunny Isles Beach, FL
Inscribed with "Tiffany & Co", Hallmarked: "Tiffany & Co" "PT950", & serial number, Includes Original
Category

2010s Tennis Bracelets

Materials

Diamond, Platinum

Tiffany Co. Frank Gehry Pendant and Earring Set
By Tiffany Co.
Located in Sunny Isles Beach, FL
ct., Signed: "Tiffany & Co., PT950, Italy
Category

21st Century and Contemporary Italian More Necklaces

Materials

Diamond, 18k Gold

Tiffany Co. Platinum Eternity Band Ring with Diamonds
By Tiffany Co.
Located in Scottsdale, AZ
TIFFANY & Co. PT950 Retail Appraisal Value: $2,125.00
Category

21st Century and Contemporary Band Rings

Materials

Diamond, Platinum

Tiffany Co. Bubbles Collection Diamond Platinum Pendant Necklace
By Tiffany Co.
Located in Scottsdale, AZ
another clever popular design from Tiffany & Co. The necklace is stamped "2002" "Tiffany & Co." and "PT950
Category

20th Century American Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Platinum

Tiffany Co. Platinum Diamond Solitaire Ring 0.71ctw H VVS
By Tiffany Co.
Located in Beverly Hills, CA
: Tiffany & CO PT950 0.71 SERIAL# Size: 4.5 Weight: 3.5 grams #1047
Category

2010s Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Soleste 1.02 Carat Diamond Platinum Engagement Ring
By Tiffany Co.
Located in Miami, FL
Stone Clarity Grade: VS Total Item Weight (g): 4.3 Hallmarked: Tiffany & Co, PT950, D.48 CT, 29153787
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Solitaire Diamond Engagement Ring in Platinum, GIA
By Tiffany Co.
Located in Miami, FL
Weight (g): 4.0 Hallmark: Tiffany & Co. Pt950 0.40CT Serial No. Collateral: GIA Certificate, Box
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

TIFFANY Co. Diamond Platinum Engagement Ring G.I.A.Cert
By Tiffany Co.
Located in Los Angeles, CA
and it is size 4.25 It can be resized because the Tiffany & Co Pt 950 stamp is near the top of the
Category

21st Century and Contemporary American Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Women s Round Baguette Diamond Band Ring in Platinum
By Tiffany Co.
Located in Boca Raton, FL
stackable ring. Inside shank marked Tiffany & Co. PT950. The ring is in excellent pre-owned condition and
Category

21st Century and Contemporary American Contemporary Band Rings

Materials

Diamond, Platinum

Tiffany Co. Harmony Platinum Diamond Solitare Ring 0.24ctw G VS1
By Tiffany Co.
Located in Beverly Hills, CA
: Tiffany & CO PT950 0.24 SERIAL# Size: 4 3/4 Weight: 3.1 grams
Category

2010s Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Harmony Platinum Diamond Engagement Ring 0.32ctw H VVS1
By Tiffany Co.
Located in Beverly Hills, CA
night. Get this stunning ring now! Metal: PLATINUM Hallmark: Tiffany & CO PT950 0.32 SERIAL
Category

2010s Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Harmony Platinum Diamond Engagement Ring 0.33ctw F VVS2
By Tiffany Co.
Located in Beverly Hills, CA
this stunning ring now! Metal: PLATINUM Hallmark: Tiffany & CO PT950 0.33 SERIAL# Size: 6
Category

2010s Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Legacy Diamond Ring and Wedding Band 1.19 Carat
By Tiffany Co.
Located in London, GB
. Measurements: engagement ring size UK J,US 5 EU 49 Ring top is 9.5 x 9.5mm Hallmarked:Tiffany & Co. Pt950
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Round Brilliant Platinum Engagement Ring GIA Certified 0.77 Carat
By Tiffany Co.
Located in Los Angeles, CA
Tiffany & Co. Style: Solitaire Metal: Platinum PT950 Size: 6.5 - sizable Total Carat Weight
Category

2010s American Romantic Engagement Rings

Materials

Diamond, Platinum

Tiffany Co Diamond Bezel Band in 18k Yellow Gold and Platinum
By Tiffany Co.
Located in Boca Raton, FL
1/4 inch in width. Ring size 7. 10.41 grams. Signed Pt950 750 Tiffany & Co
Category

2010s Band Rings

Materials

Diamond, Yellow Gold, Platinum

Tiffany Co. Platinum and Diamond Ribbon Ring 1.07 Carat E VVS1
By Tiffany Co.
Located in Beverly Hills, CA
or night. Get this stunning ring now! Metal: PLATINUM Hallmark: Tiffany & CO PT950 1.07
Category

2010s Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Lucida Single Radiant Diamond Wedding Band Ring in Platinum
By Tiffany Co.
Located in Vienna, VA
: Approx. 4.0 MM Ring Size: 7.75 (US) Weight: Approx. 8.30 Grams Stamped: ©Tiffany & Co., PT950, LUCIDA
Category

21st Century and Contemporary Wedding Rings

Materials

Diamond, Platinum

Tiffany Co. 5.26 Carat Center Stone Diamond Engagement Ring in Platinum
By Tiffany Co.
Located in Miami, FL
Hallmarked Tiffany & Co. PT950 Serial Number 5.26ct Includes both GIA Certificate and Tiffany & Co. Grading
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Multi Strand Pearl Choker Necklace with Platinum and Diamond Clasp
By Tiffany Co.
Located in Red Bank, NJ
Luster. Clasp Is Stamped With Tiffany & Co. PT 950. Pearls Are Strung On Silk With No Signs Of Wear
Category

Late 20th Century American Contemporary Choker Necklaces

Materials

Diamond, Pearl, Platinum

Tiffany Co. Etoile Collection Dazzling Diamond Set in Platinum Engagement Ring
By Tiffany Co.
Located in Scottsdale, AZ
% Authentic and is appropriately trademarked "Tiffany & Co. PT950" For The maker and purity of metal Platinum
Category

20th Century American Engagement Rings

Materials

Diamond, White Diamond, Platinum

Tiffany Co. Platinum/18 Karat Yellow Blue Sapphire and Diamond Victoria Ring
By Tiffany Co.
Located in San Diego, CA
G-H color and VS2 clarity. Ring is a size 6.75. Stamped "TIFFANY & CO" and "PT950 750."
Category

Early 2000s American Modern Cocktail Rings

Materials

Diamond, Blue Sapphire, 18k Gold, Platinum

Tiffany Co. 0.71 CT Princess Diamond Solitaire Knife Edge Bridal Set Platinum
By Tiffany Co.
Located in Vienna, VA
: TIFFANY & CO., PT950, 28538197, .71 CT Condition: Offered for your consideration is a previously owned
Category

21st Century and Contemporary Bridal Rings

Materials

Diamond, Platinum

Tiffany Co Elsa Perett Platinum 1 Diamond Band Ring
By Elsa Peretti for Tiffany Co.
Located in Beverly Hills, CA
Hallmark: Tiffany & CO PERETTI PT950 (there is some engraving inside the shank) Size: 4 Weight: 4.8
Category

2010s Wedding Rings

Materials

Diamond, Platinum

Tiffany Co Schlumberger Pink Tourmaline and Diamond Flower Ring Blue Book 2014
By Jean Schlumberger for Tiffany Co.
Located in Sherman Oaks, CA
Sides of an Intricate Gold Wire Gallery Hallmarked "©TIFFANY & CO 750 / PT950 / SCHLUMBERGER STUDIOS
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Tourmaline, 18k Gold, Platinum

Tiffany Co. Tiffany Flat Wedding Band Ring in Platinum
Located in Miami, FL
: Tiffany Flat Style:Wedding Band / Ring Metal: Platinum Metal Purity: 950 Total Item Weight (g): 12.7 Band
Category

2010s Wedding Rings

Materials

Platinum

Jean Schlumberger for Tiffany Co Diamond Ring in Platinum
By Jean Schlumberger
Located in Hartsdale, NY
. Band with is aprox 6.5 mm wide. Signed Tiffany, SCHLUMBERGER STUDIOS & Co, PT950, Accompanied with
Category

21st Century and Contemporary Band Rings

Materials

White Diamond, Platinum

Tiffany Co. Large Diamond Heart Pendant in Platinum, Box and Papers
Located in Miami, FL
: approx. 1.0" Necklace Length: 16 inches Hallmark: Tiffany Co. PT950 Collateral: Receipt of
Category

2010s Pendant Necklaces

Materials

Diamond, Platinum

Tiffany Co. Schlumberger Ruby Diamond Gold Platinum Ibex Brooch Pin
By Jean Schlumberger for Tiffany Co.
Located in New York, NY
. 0.80cts in diamonds. Brooch is 40mm x 45mm. Marked: Schlumberger , 750, pt950, Tiffany & Co. Weight - 20.9
Category

20th Century French Brooches

Materials

Diamond, Ruby, Gold, Platinum

Tiffany Co. Signed Multi Strand Platinum and Diamond Necklace
By Tiffany Co.
Located in Kingston, NY
) Diamonds approx. .70 ct TW, Markings: PT 950, Tiffany & Co retails for over $8000
Category

20th Century Pendant Necklaces

Materials

Diamond, Platinum

Tiffany Co. Set of 4 Tuxedo Studs, 14 Karat Gold and 950 Platinum Knot Men s
By Tiffany Co.
Located in Greensboro, NC
Brand: Tiffany & Co. Metal Content: Guaranteed 14k Gold & 950 Platinum as stamped Each Tuxedo
Category

20th Century Unknown Cufflinks

Materials

14k Gold, White Gold, Platinum

Elsa Peretti for Tiffany Co. Platinum Black Enamel Pendant Necklace
By Elsa Peretti for Tiffany Co.
Located in Dallas, TX
" platinum cable chain. Stamped: PERETTI, T&CO PT 950; Tiffany & Co. © (Signature of Elsa Peretti), PT 950
Category

Late 20th Century American Contemporary Pendant Necklaces

Materials

Platinum

Tiffany Co Jazz Diamond Pink Sapphire Platinum Drop Dangle Earrings
By Tiffany Co.
Located in Southampton, PA
Hallmarks: T&Co Pt950 Tiffany & Co. Pt950 *Free Shipping within the United States* YOUR PRICE: $8,500
Category

1990s North American Drop Earrings

Materials

Diamond, Pink Sapphire, Platinum

TIFFANY CO Platinum "Victoria" Diamond Flower Double Chain Bracelet
By Tiffany Co.
Located in New York, NY
: PT950 Tiffany & Co Color: Silver Closure/Opening: Jump ring closure Materials: Platinum and marquise
Category

21st Century and Contemporary Chain Bracelets

Materials

Diamond, Platinum

Tiffany Co. Embrace Eternity Diamond Band Platinum .85ctw Wedding Ring
By Tiffany Co.
Located in Greensboro, NC
Size: 6 3/4 Brand: Tiffany & Co. Collection: Embrace Metal Content: 950 Platinum Stone
Category

20th Century More Rings

Materials

Diamond, Platinum

Tiffany Co. Platinum Channel Half Circle Diamond Eternity Band .17 Ct 2.3 mm
By Tiffany Co.
Located in New York, NY
& Co. PT950 ( Tiffany & Co. hallmark is fully intact) Size 5 ( Sizing Available for a small fee $75)
Category

2010s American Modern Bridal Rings

Materials

Diamond, Platinum

Tiffany Co Platinum Tiffany Diamond Etoile Heart Necklace #18136
By Tiffany Co.
Located in Washington Depot, CT
length: 17" Charm: 8.5mm X 10.1mm X 5.2mm Weight: 3.0 dwt/ 4.6 g Hallmark: PT 950 Tiffany & Co
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Platinum, Sterling Silver

Tiffany Co Platinum Dog Bone Chain Diamond by the Yard Necklace #19188
By Tiffany Co.
Located in Washington Depot, CT
Hallmark: PT 950 Tiffany & Co *Box & paperwork included* Very good condition, professionally polished
Category

20th Century Contemporary Chain Necklaces

Materials

Diamond, Platinum

Tiffany Co. Platinum and Diamond Pendant Necklace #15521
By Tiffany Co.
Located in Washington Depot, CT
(necklace) 8 mm (pendant) Hallmark: PT950 Tiffany & Co. Weight: 3.7 gr./ 2.3 dwt. Very good
Category

20th Century Pendant Necklaces

Materials

Diamond, Platinum

Tiffany and Co. .25ctw Diamond Engagement Ring, Platinum, Ring Size 7.5
By Tiffany Co.
Located in McLeansville, NC
clarity *cavity on girdle Ring Size 7.5 Band Width: 2.4 mm Weight: 2.6 dwts. / 4.1 grams Stamps: PT950
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Platinum Half Circle Eternity Ring Channel Set .33 Ct, Size 7.5
By Tiffany Co.
Located in New York, NY
. Stamp: Tiffany & Co. PT950 ( Tiffany & Co. hallmark is fully intact) Size 7.5( Sizing Available for a
Category

2010s American Modern Wedding Rings

Materials

Diamond, Platinum

Tiffany and Co. Peretti Diamond Heart Ring, Platinum
By Elsa Peretti for Tiffany Co.
Located in McLeansville, NC
clarity Ring Size 5 Length: 8.8 mm Weight: 3.3 dwts. / 5.2 grams Stamps: PT950 Tiffany & Co. Peretti
Category

21st Century and Contemporary Fashion Rings

Materials

Diamond, Platinum

Tiffany Co Platinum Diamond Engagement Ring
Located in Washington Depot, CT
. Hallmark: TIFFANY & CO PT 950 Tiffany box included. Very good condition, professionally polished. Will
Category

20th Century Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Platinum Diamond Swing Drop Necklace with Box #16968
By Tiffany Co.
Located in Washington Depot, CT
. 1.5" in length Chain is approx. 20" in length Stamped PT 950 Tiffany & Co. 3.4 dwt / 5.4 g Comes
Category

21st Century and Contemporary Drop Necklaces

Materials

White Diamond, Platinum

1995 Tiffany Co 18K Yellow Gold Platinum Atlas Diamond Collar Necklace #18595
By Tiffany Co.
Located in Washington Depot, CT
Diamond clarity: VS Size: 15" Width: 9.5mm Weight: 77.7 dwt/ 50.0 g Hallmark: 1995 Tiffany & Co 750 PT
Category

1990s Contemporary Chain Necklaces

Materials

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

Tiffany Co. Diamond Cross Pendant Necklace Platinum 950 Round .42 Carat Faith
By Tiffany Co.
Located in Greensboro, NC
more wallet-friendly price. Brand: Tiffany & Co. Metal Content: 950 Platinum Stone Information
Category

20th Century Unknown Pendant Necklaces

Materials

Diamond, Platinum

Tiffany Co Platinum Diamond Half-Circle Forever Band 0.27ct
By Tiffany Co.
Located in SYDNEY, NSW
/Markings: PT950 TIFFANY & Co. Size/Measurement: Ring Size I 1/2 Current Condition: Excellent
Category

21st Century and Contemporary Wedding Rings

Materials

Diamond, Platinum

Tiffany Co. Men s Wedding Band, 18 Karat Gold and 950 Platinum Ring
By Tiffany Co.
Located in Greensboro, NC
gold ring by Tiffany & Co. showcases a luminous 950 platinum band that wraps around the center of the
Category

21st Century and Contemporary Unknown Band Rings

Materials

18k Gold, Yellow Gold, Platinum

Tiffany Co. Classic Wedding Band, 950 Platinum Women s Ring
By Tiffany Co.
Located in Greensboro, NC
" (2.0mm) Rise Above Finger: 1/16" (1.3mm) Weight: 2.3 Grams Stamps: PT950, Tiffany & Co., © Condition
Category

20th Century Unknown Wedding Rings

Materials

Platinum

Tiffany Co .57 Carat Round Diamond Wedding Band, 950 Platinum Anniversary Ring
By Tiffany Co.
Located in Greensboro, NC
contact for additional sizing options. Brand: Tiffany & Co. Metal Content: Guaranteed 950 Platinum as
Category

20th Century Unknown Wedding Rings

Materials

Diamond, Platinum

Tiffany Co. .27Ctw Round Brilliant Diamond Embrace Wedding Band Platinum Ring
By Tiffany Co.
Located in Greensboro, NC
. Brand: Tiffany & Co. Design: Embrace Metal Content: Guaranteed 950 Platinum as stamped Stone
Category

21st Century and Contemporary Band Rings

Materials

White Diamond, Platinum

Tiffany Co. 2.60ctw Round Cut Diamond Elsa Peretti Sprinkles Necklace Platinum
By Elsa Peretti for Tiffany Co.
Located in Greensboro, NC
. presentation box. Brand: Tiffany & Co. Designer: Elsa Peretti Metal Content: Guaranteed 950 Platinum as
Category

21st Century and Contemporary Chain Necklaces

Materials

White Diamond, Platinum

Tiffany Co. .64Ctw Sapphire Diamond Ring - 950 Platinum Embrace Wedding Band
By Tiffany Co.
Located in Greensboro, NC
) Rise Above Finger: 1/8" (2.7mm) Weight: 3.3 Grams Stamps: Pt950, Tiffany & Co., © Condition: Pre
Category

21st Century and Contemporary Band Rings

Materials

White Diamond, Blue Sapphire, Platinum

Tiffany Co Dog Chain link Bracelet
By Tiffany Co.
Located in SYDNEY, NSW
&Co 750 PT950 Tiffany & Co Mini Heart Tag Pendant in 18ct Yellow Gold (RRP S1,000) signed Tiffany & Co
Category

21st Century and Contemporary Charm Bracelets

Materials

18k Gold

Tiffany Co. Platinum 18k Gold 5.80ctw Diamond Green Enamel Frog Brooch Pin
By Tiffany Co.
Located in Montclair, NJ
950 Tiffany & Co. Condition: Designer statement piece in all original and excellent condition! Stock
Category

1990s Brooches

Materials

Diamond, Emerald, 18k Gold, Platinum, Enamel

Tiffany 0.12ct Diamond Solitaire Pendant Necklace Pt 950
By Tiffany Co.
Located in Kobe, Hyogo
Item: Tiffany Diamond Solitaire Necklace Stone: Diamond Metal: Platinum 950 Chain Length: 15.74
Category

2010s American Pendant Necklaces

Materials

Diamond, Platinum

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Pt950 Tiffany For Sale on 1stDibs

On 1stDibs, you can find the most appropriate pt950 tiffany for your needs in our varied inventory. Each design created in this style — which was crafted with great care and often made from Platinum — can elevate any look. Find an antique version now, or shop for 1 vintage or 9 modern creation for a more contemporary example of these cherished accessories. You’re likely to find the perfect pt950 tiffany among the distinctive items we have available, which includes versions made as long ago as the 20th Century as well as those produced as recently as the 21st Century. For this particular piece, are consistently popular carat weights. A pt950 tiffany from Tiffany Co. — each of whom created a beautiful version of this treasured accessory — is worth considering. A pt950 tiffany can be a stylish choice for most occasions, but Diamond rings, from our inventory of 6, can add a particularly distinctive touch to your look, day or night. Today, if you’re looking for a brilliant cut version of this piece and are unable to find the perfect match, our selection also includes round cut alternatives. There aren’t many items for men if you’re seeking a pt950 tiffany, as most of the options available are for women and unisex.

How Much is a Pt950 Tiffany?

The price for a pt950 tiffany starts at $680 and tops out at $22,000 with these rings, on average, selling for $1,115.

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.