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Tiffany Co Cobblestone 2.10ct Diamond Band Platinum Ring Size: 6.75
By Tiffany Co.
Located in London, GB
Band: 10mm Total Weight: 10.9g Ring Size: N Hallmarks: Tiffany & Co Pt950 SMS8906
Category

2010s British Modern Cocktail Rings

Materials

Diamond, Platinum

Tiffany Co. Solitaire Diamond Engagement Ring Round Cut 0.86 Ct IVS2 Plat
By Tiffany Co.
Located in New York, NY
: Tiffany & Co. PT 950 17264974, D 0.86 CT Ring Size: 5.75 Certificate 17264974 Polish: Very Good Symmetry
Category

Late 20th Century American Contemporary Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Platinum .95ct E VS2 Oval Diamond Engagement Ring
By Tiffany Co.
Located in New York, NY
(resizable) Weight: 3.9 grams Hallmarks: © TIFFANY & CO., Pt950, D0.95 CT, Serial Number Estimated Retail
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Platinum Solitaire Round Diamond Engagement Ring 1.21 FVS1
By Tiffany Co.
Located in New York, NY
Tiffany & Co. Classic Diamond Engagement Ring crafted with precision in a six-prong platinum
Category

21st Century and Contemporary American Modern Solitaire Rings

Materials

White Diamond, Diamond, Platinum

Tiffany Co. Engagement Ring with Channel-Set Diamond Band in Platinum
By Tiffany Co.
Located in New York, NY
: Tiffany & Co Hallmark: 27861008, PT 950 Includes Original Tiffany Certificate, tiffany warranty, and copy
Category

2010s Contemporary Engagement Rings

Materials

White Diamond, Diamond, Platinum

Tiffany Co. Solitaire Engagement Ring .53 Ct IVS1 in Platinum Excellent Cut
By Tiffany Co.
Located in New York, NY
Tiffany certificate and Box. Stamped: Tiffany & Co. PT 950 D0.50 Size: 6 ( Can be resized) Certificate
Category

20th Century Canadian Modern Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Sapphire Eternity Ring Band Estate Platinum Signed Jewelry
By Tiffany Co.
Located in Torrance, CA
), rising 2mm from the finger. Metal & Hallmark: 950 platinum. The ring is hallmarked "Pt950" and "Tiffany
Category

Mid-20th Century Unknown Modern Band Rings

Materials

Sapphire, Blue Sapphire, Platinum

Tiffany Co. 0.32 Carat Princess Cut Diamond Platinum Engagement Ring
By Tiffany Co.
Located in Philadelphia, PA
weighing in total approximately 0.16 carat; eye-clean and white Fully signed Tiffany & Co. Stamped PT950
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Solitaire Diamond Engagement Ring .74 Ct GVVS1 Round in Platinum
By Tiffany Co.
Located in New York, NY
Tiffany certificate and Box. Stamped: Tiffany & Co. PT 950 D0.74 Size: 5.25 ( Can be resized
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Soleste Platinum Cushion Diamond Engagement Ring .95Cts Ttl
By Tiffany Co.
Located in New York, NY
metal content. Ring Specifications Brand: Tiffany & Co. Style: Soleste Hallmarks: Tiffany & Co. PT950
Category

2010s American Modern Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Engagement Ring Legacy 1.70 Total cts. With Cushion Center
By Tiffany Co.
Located in New York, NY
brilliance. Includes Tiffany certificate and Black Suede box from Tiffany. Stamped: Tiffany & Co. PT 950
Category

2010s American Modern Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Platinum Diamond Engagement Ring 2.80Cts. TW EVVS2 Diamond Band
By Tiffany Co.
Located in New York, NY
servicing privileges from Tiffany & Co. Stamp: Tiffany & Co. PT 950 2.08 CT- Most of the hallmarks are
Category

Late 20th Century American Modern Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. 1.39 Ct G, IF Internally Flawless 3x Excellent Engagement Ring
By Tiffany Co.
Located in New York, NY
certificate, Appraisal and Blue Leather Tiffany Box. Stamped: Tiffany & Co. PT 950 ; 1.39 CT Size: 6
Category

2010s American Modern Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Solitaire Diamond Engagement Ring Round Cut 0.82 Ct IVVS2 Plat
By Tiffany Co.
Located in New York, NY
: Tiffany & Co. PT 950 31857481, D 0.82 CT Ring Size: 6 Certificate 31857481 Crown Inscription: T&Co
Category

20th Century American Modern Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Engagement Ring with .94 Ct Princess Cut GVS1 in Platinum
By Tiffany Co.
Located in New York, NY
: $9,600 Includes Original Tiffany Certificate and Box Stamped: Tiffany & Co. PT 950 67842111 .94CT Size
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Platinum Round Diamond Solitaire Engagement Ring 3.24ct IVS1
By Tiffany Co.
Located in New York, NY
engagement. Ring Specifications Brand: Tiffany & Co. Style: Classic Solitaire Hallmarks: Tiffany & Co. PT950
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Diamond 18 Karat Yellow Gold Etoile Band Ring
By Tiffany Co.
Located in Philadelphia, PA
clarity Fully signed Tiffany & Co. Stamped PT950 and 750 for platinum and 18 karat gold, respectively
Category

Early 2000s Contemporary Band Rings

Materials

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

Vintage Tiffany Co. Victoria Large Diamond Pendant Set in Platinum
By Tiffany Co.
Located in London, England
A beautiful vintage Tiffany & Co. Victoria diamond pendant necklace set in platinum. The pendant
Category

2010s Unknown Modern Pendant Necklaces

Materials

Diamond, Platinum

Tiffany Co. Enchant Diamond Heart Lock Platinum Yellow Gold Pendant Necklace
By Tiffany Co.
Located in Southampton, PA
22mm Weight: 11.8 grams Stamped Hallmarks: Pendant: T& Co PT950 750 Chain: Tiffany & Co PT950 *Free
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, 18k Gold, Platinum

Tiffany Co Kaleidoscope Fancy Pink White Diamond Key Pendant Platinum Necklace
By Tiffany Co.
Located in Southampton, PA
Length: 18" Weight: 4.4 grams Stamped Hallmarks: T& Co PT950 750 29232431 Tiffany & Co PT950 *Free
Category

2010s American Pendant Necklaces

Materials

White Diamond, Pink Diamond, Platinum

Tiffany Co. Platinum Diamond Solitaire Engagement Ring .74ct Round GVS1 w/Rec.
By Tiffany Co.
Located in New York, NY
: Tiffany & Co. PT 950 D62843 .74CT Diamond Weight: .74 cts. Diamond Color: G Diamond Clarity: VS1 Size: 3
Category

Early 2000s American Contemporary Engagement Rings

Materials

Diamond, Platinum

Tiffany and Co. Platinum Diamond Solitaire Engagement Ring .74ct Round G VS1
By Tiffany Co.
Located in New York, NY
: Tiffany & Co. PT 950 D62843 .74CT Diamond Weight: .74 cts. Diamond Color: G Diamond Clarity: VS1 Size: 3
Category

Early 2000s American Contemporary Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Platinum Solitaire Round Diamond Engagement Ring 2.54Ct HVS1
By Tiffany Co.
Located in New York, NY
engagement. Ring Specifications Brand: Tiffany & Co. Style: Classic Solitaire Hallmarks: Tiffany & Co. PT950
Category

Late 20th Century American Contemporary Solitaire Rings

Materials

White Diamond, Diamond, Platinum

Tiffany Co. Victoria Sapphire Diamond Necklace Platinum Estate Fine Jewelry
By Tiffany Co.
Located in Torrance, CA
Finely detailed pre owned Tiffany & Co Victoria necklace, crafted in 950 platinum. 9 round
Category

Mid-20th Century Unknown Modern Pendant Necklaces

Materials

Diamond, Blue Sapphire, Platinum

Vintage Tiffany Co. Etoile Diamond Pendant Necklace in Yellow Gold
By Tiffany Co.
Located in London, England
A beautiful vintage Tiffany & Co. Etoile diamond pendant necklace in platinum and 18k yellow gold
Category

2010s Modern Pendant Necklaces

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Vintage Tiffany Co. Certified Diamond Solitaire Ring Set in Platinum
By Tiffany Co.
Located in London, England
is signed and hallmarked Tiffany & Co., PT950 (for platinum), D0.33CT, with the serial number
Category

2010s Unknown Modern Solitaire Rings

Materials

Diamond, Platinum

Tiffany Co. Platinum 0.31ctw Graduated Bezel Diamond Jazz Band Ring
By Tiffany Co.
Located in Montclair, NJ
Tiffany & Co. - PT950 Condition: Shows some light wear. Signature is a little lighter due to pervious
Category

21st Century and Contemporary Band Rings

Materials

Diamond, Platinum

Tiffany Co. Solitaire Engagement Ring w/Round 1.29 Ct Center HVS2 Platinum
By Tiffany Co.
Located in New York, NY
: Tiffany & Co. PT 950 19758095, D 1.29 CT Size: 5 ( Can be sized up or down) Tiffany Certificate 19758095
Category

Late 20th Century American Modern Engagement Rings

Materials

Diamond, Platinum

Vintage Tiffany Co. Diamond Etoile Ball Earrings Set in Platinum
By Tiffany Co.
Located in London, England
weight of 4.4 grams. Lastly the earrings are signed and hallmarked Tiffany & Co. PT950.
Category

2010s Modern Stud Earrings

Materials

Diamond, Platinum

Tiffany Co. Platinum Soleste Pear Shape Rubellite Diamond Pendant Necklace
By Tiffany Co.
Located in New York, NY
Specifications Brand: Tiffany & Co. Style: Soleste Hallmarks: ©Tiffany & Co. PT950 Metal: Platinum Weight: 6.1
Category

21st Century and Contemporary American Modern Pendant Necklaces

Materials

White Diamond, Rubelite, Tourmaline, Diamond, Platinum

Tiffany Co Platinum .74ct Diamond Solitaire Engagement Ring H VS2
By Tiffany Co.
Located in New York, NY
This Tiffany & Co. Classic Solitaire Engagement Ring features a 0.74-carat round brilliant diamond
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

Diamond, Platinum

Tiffany Co GIA 3.03 Carat I VS1 Diamond Platinum Engagement Ring
By Tiffany Co.
Located in New York, NY
size - 6. Marked Tiffany & Co , 750, pt950. Weighs 5.7 grams.R-03053
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

Vintage Tiffany Co. Harmony 0.33ct Diamond Ring in Rose Gold
By Tiffany Co.
Located in London, England
perfect fit. It has a gross weight of 2.8 grams. The ring is signed and hallmarked Tiffany & Co., PT950
Category

21st Century and Contemporary Modern Solitaire Rings

Materials

Diamond, Gold, 18k Gold, Rose Gold, Platinum

Tiffany Co. Solitaire Engagement Ring .60 Ct HVVS2 in Platinum Excellent Cut
By Tiffany Co.
Located in New York, NY
Tiffany certificate and Box. Stamped: Tiffany & Co. PT 950 D0.50 Size: 5.5 ( Can be resized
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Soleste Platinum Carat Round Diamond Eternity Band Wedding Ring
By Tiffany Co.
Located in Baltimore, MD
: "©Tiffany & Co. PT950" Retail: Currently Available on Tiffany's Website for $3,600
Category

21st Century and Contemporary American Modern Band Rings

Materials

Diamond, Platinum

Tiffany Co. Solitaire Diamond Engagement Ring .80 Ct Round Center IVVS1 Plat
By Tiffany Co.
Located in New York, NY
. Stamped: Tiffany & Co. PT 950 , D 0.80 CT 60786410 Size: 6 ( Can be sized up or down) Tiffany Certificate
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Platinum

Tiffany Milgrain 4mm Wedding Band Ring Platinum 950 US 8.25
By Tiffany Co.
Located in Kobe, Hyogo
Item: Authentic Tiffany & Co Together Milgrain Wedding Band Ring Stones: --- Metal: Platinum 950
Category

2010s American Wedding Rings

Materials

Platinum

Tiffany Co. Platinum 1.27ct GIA Certified Diamond Solitaire Engagement Ring
By Tiffany Co.
Located in Hicksville, NY
is 7 mm high with a band thickness of 3 mm. The hallmark "TIFFANY & CO. PT950 17952862 1.27CT" is
Category

Early 2000s American Engagement Rings

Materials

Diamond, Platinum

Vintage Tiffany Co. Large Etoile Diamond Hoop Earrings in Platinum
By Tiffany Co.
Located in London, England
there is a gross weight of 8.3 grams. Lastly the earrings are signed and hallmarked Tiffany & Co. PT950.
Category

2010s Modern Hoop Earrings

Materials

Diamond, Platinum

Tiffany Co. GIA Certified Platinum 1.01 Carat Oval Diamond Engagement Ring
By Tiffany Co.
Located in Baltimore, MD
Paperwork for details) Finger Size: 6 (US) Markings: "Tiffany & Co. PT950" "37674168 D1.01 CT" Estimated
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Platinum Knife-Edge Wedding Band Ring, 2mm Size 7
By Tiffany Co.
Located in New York, NY
Hallmarks: Tiffany & Co. PT950 Metal: Platinum Finger Size: 7 Weight : 2.9 grams Width: 2mm Retails $700
Category

21st Century and Contemporary American Contemporary Band Rings

Materials

Platinum

Tiffany Co. Etoile Diamond 18 Karat Yellow Gold Huggie Hoop Earrings
By Tiffany Co.
Located in Boca Raton, FL
and are signed Tiffany & Co 750 PT950.
Category

Late 20th Century Unknown Modern Hoop Earrings

Materials

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

Tiffany Milgrain 2mm Wedding Band Ring Platinum 950 US 7.25
By Tiffany Co.
Located in Kobe, Hyogo
Item: Authentic Tiffany & Co Together Milgrain Wedding Band Ring Stones: --- Metal: Platinum 950
Category

2010s American Wedding Rings

Materials

Platinum

Tiffany Co. Platinum 7 Stone Forever Half Circle Diamond Band Ring .57ct TW
By Tiffany Co.
Located in New York, NY
& Co. Style: Forever Half Circle Diamond Band Hallmarks: © Tiffany & Co. PT950 Metal: Platinum Width
Category

21st Century and Contemporary Contemporary Wedding Rings

Materials

Diamond, Platinum

Vintage Tiffany Co. 1.12ct Solitaire Diamond Ring Set in Platinum
By Tiffany Co.
Located in London, England
and hallmarked Tiffany & Co., PT950 (for platinum), 1.12CT, with the serial number 28227701.
Category

2010s Unknown Modern Engagement Rings

Materials

Diamond, Platinum

Vintage Tiffany Co. Diamond Drop ‘Wisteria’ Earrings Set in Platinum
By Tiffany Co.
Located in London, England
gross weight of 12.6 grams. Lastly the earrings are signed and hallmarked Tiffany & Co. FRANCE, PT950.
Category

Early 2000s American Modern Drop Earrings

Materials

Diamond, Platinum

Tiffany Co. Double Soleste Platinum Diamond Engagement Ring 0.86 Carats Total
By Tiffany Co.
Located in New York, NY
: Tiffany & Co. PT950 36867736 D 0.51 CT Crown Inscription: T&Co.003060673 ( See image of confirmed Tiffany
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. 1.40 Round I VS1 Natural Diamond Platinum Engagement Ring
By Tiffany Co.
Located in Baltimore, MD
registration number: D27431 Signed: Tiffany & Co. PT950 D27431 1.40
Category

1990s American Modern Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Elsa Peretti Diamond by the Yard Enchant Flower Platinum Pendant
By Tiffany Co.
Located in Stamford, CT
6 round diamonds, approx. total weight .60cts, F, VS Platinum Tested: Platinum Stamped: Pt 950
Category

1990s Chain Necklaces

Materials

Diamond, Platinum

Tiffany Co. Platinum Diamond Engagement Ring Round Excellent Cut 1.06 G VVS2
By Tiffany Co.
Located in New York, NY
: Tiffany & Co. PT 950 D 1.06 Size: 6 ( Can be resized) GIA Certificate: 13333037 Crown Inscription: T
Category

20th Century American Modern Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Soleste Full Eternity Band in Platinum with Original Box
By Tiffany Co.
Located in Webster, NY
Clarity: VS-VVS Metal: Platinum Ring Size: 7 - not sizable Stamped: "Tiffany & Co PT950"
Category

21st Century and Contemporary Band Rings

Materials

Diamond, Platinum

Tiffany Co. Platinum 2.5mm Half Circle Diamond Eternity Band Ring .21ct
By Tiffany Co.
Located in New York, NY
(Pt950) Hallmarks: © TIFFANY & CO. Pt950 Finger Size: 6.5 (can be sized) Weight: 3.4 g Band Dimensions
Category

21st Century and Contemporary Contemporary Bridal Rings

Materials

Diamond, Platinum

Tiffany Co 1.13 Carat Diamond VS1 H Color Platinum Engagement Ring
By Tiffany Co.
Located in Southampton, PA
: Tiffany & Co. PT950 23531267 1.13ct **Free Shipping within the United States** Your Price: $17,500
Category

21st Century and Contemporary American Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Soleste Emerald-Cut Halo Engagement Ring Made in Platinum
By Tiffany Co.
Located in Webster, NY
: .86CTW Metal: Platinum Stamped: "37581976" "D0.40CT" " Tiffany & Co PT950" Ring Size: 4.75 - sizable
Category

21st Century and Contemporary American Engagement Rings

Materials

Diamond, Platinum

Vintage Tiffany Co. Platinum .55ct D VS2 Diamond Solitaire Engagement Ring
By Tiffany Co.
Located in New York, NY
Classic Metal: Platinum (Pt950) Finger Size: 6 (resizable) Weight: 4.5 grams Hallmarks: TIFFANY & CO
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

Diamond, Platinum

Vintage Tiffany Co. ‘Etoile’ Diamond Hinged Bangle Set in Platinum
By Tiffany Co.
Located in London, England
A classic vintage Tiffany & Co. ‘Etoile’ diamond hinged bangle set in platinum. The piece is
Category

Early 2000s Unknown Modern Bangles

Materials

Diamond, Platinum

Vintage Tiffany Co. Princess Cut Diamond Solitaire Engagement Ring in Platinum
By Tiffany Co.
Located in London, England
TIFFANY & Co., Pt 950, with the serial number 37404594. It is accompanied by the original Tiffany box and
Category

2010s Unknown Modern Engagement Rings

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.