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Tiffany Co Metro full Eternity Diamond Band Ring in Platinum
By Tiffany Co.
Located in San Diego, CA
Tiffany & Co Metro Full Eternity Diamond Band Ring Style: Band Ref. number: 63481580 Metal
Category

2010s Band Rings

Materials

Diamond, Platinum

TIFFANY Co. Soleste Platinum Half Eternity Diamond Band Ring 4.5
By Tiffany Co.
Located in Los Angeles, CA
Width: 2mm Diamond: round brilliant diamonds, carat total weight .17 Hallmark: ©TIFFANY&Co. Pt950
Category

2010s American Wedding Rings

Materials

Diamond, Platinum

Tiffany Co. Victoria 3.08 Carat Diamond Platinum Line Tennis Bracelet
By Tiffany Co.
Located in Tampa, FL
: $24,100 USD • Hallmarks: Signed Tiffany & Co., PT950 The Victoria™ Collection is inspired by the natural
Category

21st Century and Contemporary American Modern Tennis Bracelets

Materials

Diamond, Platinum

Tiffany Co. Yellow Gold Wide Band with Flower Diamonds
By Tiffany Co.
Located in Dallas, TX
2000 Tiffany & Co 750 PT950 France. 10mm width.
Category

Vintage 1980s American Modern Band Rings

Materials

Diamond, Yellow Gold, 18k Gold

Tiffany Co., 3.08 Carat Round Brilliant Cut Diamond Engagement Ring
By Tiffany Co.
Located in Chicago, IL
: Excellent Symmetry: Excellent Metal: Platinum Ring size: 5 1/2 Stamp: TIFFANY&CO. Pt950 (Serial number
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum

TIFFANY Co. Together Platinum Double Milgrain Wedding Band Ring 6
By Tiffany Co.
Located in Los Angeles, CA
Band Width: 6mm Weight: 12.80 grams Hallmark: ©TIFFANY&CO. PT950 Condition: Excellent condition
Category

2010s American Wedding Rings

Materials

Platinum

TIFFANY Co. Together Platinum Double Milgrain Wedding Band Ring 8
By Tiffany Co.
Located in Los Angeles, CA
Band Width: 6mm Weight: 13.40 grams Hallmark: ©TIFFANY&CO. PT950 Condition: Excellent condition
Category

2010s American Wedding Rings

Materials

Platinum

TIFFANY Co. Etoile 18K Gold Diamond 4mm Band Ring 5
By Tiffany Co.
Located in Los Angeles, CA
Diamond: 10 round brilliant diamonds, carat total weight .22 Hallmark: TIFFANY&CO. 750 PT950 Condition
Category

2010s American Band Rings

Materials

Diamond, 18k Gold, Platinum

TIFFANY Co. Forever Platinum 6mm Lucida Wedding Band Ring 8
By Tiffany Co.
Located in Los Angeles, CA
: 6mm Hallmark: ©TIFFANY&CO. PT950 Condition: Excellent condition, like new Tiffany Price: $3,200
Category

2010s American Wedding Rings

Materials

Platinum

TIFFANY Co. Together Platinum 2mm Milgrain Wedding Band Ring 3.5
By Tiffany Co.
Located in Los Angeles, CA
Width: 2mm Hallmark: ©TIFFANY&CO. PT950 Condition: Excellent condition, like new Authenticity
Category

2010s American Wedding Rings

Materials

Platinum

TIFFANY Co. Forever Platinum 4.5mm Lucida Wedding Band Ring 6
By Tiffany Co.
Located in Los Angeles, CA
: 4.5mm Hallmark: ©TIFFANY & CO. PT950 Condition: Excellent condition, like new Tiffany price: $2,400
Category

2010s American Wedding Rings

Materials

Platinum

TIFFANY Co. Forever Platinum 3mm Lucida Wedding Band Ring 9 New
By Tiffany Co.
Located in Los Angeles, CA
: 3mm Weight: 5.60 grams Hallmark: ©1999 TIFFANY&CO. PT950 Condition: New, comes with Tiffany pouch and
Category

2010s American Wedding Rings

Materials

Platinum

TIFFANY Co. Together Platinum Double Milgrain Wedding Band Ring 10.5
By Tiffany Co.
Located in Los Angeles, CA
: 10.5 Band Width: 6mm Weight: 15.20 grams Hallmark: ©TIFFANY&CO. Pt950 Condition: Excellent condition
Category

2010s American Wedding Rings

Materials

Platinum

Tiffany Co. Platinum Legacy Cushion Brilliant Cut Diamond Engagement Ring
By Tiffany Co.
Located in Chicago, IL
fully stamped "©TIFFANY & CO. PT950" and offered in excellent condition. Includes a copy of the
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Platinum

TIFFANY Co. Forever Platinum 6mm Lucida Wedding Band Ring 7.5
By Tiffany Co.
Located in Los Angeles, CA
Width: 6mm Weight: 14.10 grams Hallmark: ©TIFFANY&CO. PT950 Condition: Excellent condition, like new
Category

2010s American Wedding Rings

Materials

Platinum

TIFFANY Co. Platinum 3 Diamond 4mm Wedding Band Ring 7
By Tiffany Co.
Located in Los Angeles, CA
&CO. Pt950 Condition: Excellent condition, comes with Tiffany box Value: $3,200 Authenticity
Category

2010s American Wedding Rings

Materials

Diamond, Platinum

Tiffany Co. Soleste Emerald Cut Diamond Halo Platinum Engagement Ring
By Tiffany Co.
Located in Tampa, FL
(professionally cleaned and polished) Hallmarks: Signed Tiffany & Co., PT950, diamond carat weight, serial number
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, Platinum

TIFFANY Co. Platinum 3 Diamond 4mm Wedding Band Ring 5
By Tiffany Co.
Located in Los Angeles, CA
. Pt950 Condition: New, comes with Tiffany pouch and box Value: $3,200 Authenticity Guaranteed
Category

2010s American Wedding Rings

Materials

Diamond, Platinum

TIFFANY Co. Together Platinum Double Milgrain Wedding Band Ring 9
By Tiffany Co.
Located in Los Angeles, CA
Band Width: 6mm Weight: 13.20 grams Hallmark: ©TIFFANY&CO. PT950 Condition: Excellent condition
Category

2010s American Wedding Rings

Materials

Platinum

Tiffany Co., 3.15 Carat Round Brilliant Cut Diamond Engagement Ring
By Tiffany Co.
Located in Chicago, IL
. Pt950 (Serial number) D3.15ct. Gross weight: 6.70 grams Accompanied by: Tiffany & Co. box and a COPY of
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum

TIFFANY Co. Etoile 18K Gold Diamond 4mm Band Ring 5
By Tiffany Co.
Located in Los Angeles, CA
Diamond: 10 round brilliant diamonds, carat total weight .22 Hallmark: TIFFANY&CO. 750 PT950 Condition
Category

2010s American Band Rings

Materials

Diamond, 18k Gold, Platinum

Tiffany Co Diamond Enchant Scroll Wide Platinum Band Ring
By Tiffany Co.
Located in Southampton, PA
Weight: 10.6 grams Band Width: 9mm Stamped Hallmarks: Tiffany&Co PT950 YOUR PRICE: $9,450 Ti1020tndd
Category

Early 2000s American Band Rings

Materials

Diamond, Platinum

TIFFANY Co. Platinum Etoile .27ct Solitaire Diamond Engagement Ring 4.75
By Tiffany Co.
Located in Los Angeles, CA
G, clarity VVS1 Hallmark: "TIFFANY&Co. PT950 T47495 .27", T47495 is diamond registration number
Category

2010s American Engagement Rings

Materials

Diamond, Platinum

GIA Certified Platinum Tiffany Co. Diamond Solitaire Ring 1.03 ct
By Tiffany Co.
Located in Laguna Beach, CA
stamped Tiffany & Co Pt 950, 1.03, D24101. The gross ring weight is 2.4 grams. The 1.03-carat round
Category

Mid-20th Century Solitaire Rings

Materials

Diamond, Platinum

TIFFANY Co. Etoile 18K Gold Diamond 4mm Band Ring 5
By Tiffany Co.
Located in Los Angeles, CA
Diamond: 10 round brilliant diamonds, carat total weight .22 Hallmark: TIFFANY&CO. 750 PT950 Condition
Category

2010s American Band Rings

Materials

Diamond, 18k Gold, Platinum

Tiffany Co. Pearl And Diamond Ear Clip Earrings In Platinum.
By Tiffany Co.
Located in New York, NY
are equipped with omega clips. Inscribed: Tiffany&Co., PT950. Diameter: approx.21mm. . Accompanied by
Category

21st Century and Contemporary American Artist Clip-on Earrings

Materials

Diamond, Pearl, Platinum

TIFFANY Co. Together Platinum 3mm Milgrain Wedding Band Ring 7.5
By Tiffany Co.
Located in Los Angeles, CA
Width: 3mm Weight: 5.80 grams Hallmark: ©TIFFANY&CO. PT950 Condition: Excellent condition, like new
Category

2010s American Wedding Rings

Materials

Platinum

Tiffany Co. Platinum .24 ct D VVS2 Diamond Solitaire Engagement Ring
By Tiffany Co.
Located in New York, NY
Classic Metal: Platinum (Pt950) Finger Size: 4 (resizable) Weight: 3 grams Hallmarks: © TIFFANY & CO
Category

20th Century Contemporary Engagement Rings

Materials

Diamond, Platinum

TIFFANY Co. Platinum 3 Lucida Diamond 4mm Wedding Band Ring 5.5
By Tiffany Co.
Located in Los Angeles, CA
&CO. PT950 LUCIDA Pat 5970744 et al Condition: Excellent condition, comes with Tiffany pouch and box
Category

2010s American Wedding Rings

Materials

Diamond, Platinum

Tiffany Co. Diamond Halo Ring Pear Shaped Morganite ~6.7ctw Size 5.5
By Tiffany Co.
Located in Fairfield, CT
approach to colored gemstones and refined design. Signage: Tiffany Co. PT950 Condition: Excellent
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, Morganite, Platinum

TIFFANY Co. Together Platinum Double Milgrain Wedding Band Ring 10.5
By Tiffany Co.
Located in Los Angeles, CA
: 10.5 Band Width: 6mm Weight: 14.20 grams Hallmark: ©TIFFANY&CO. PT950 Condition: Excellent condition
Category

2010s American Wedding Rings

Materials

Platinum

TIFFANY Co. Platinum Cushion Cut .55ct Diamond Engagement Ring 5.5
By Tiffany Co.
Located in Los Angeles, CA
round brilliant cut diamonds, carat total weight .16 Hallmark: ©TIFFANY&Co. PT950 24405427 .55CT
Category

2010s American Engagement Rings

Materials

Diamond, Platinum

TIFFANY Co. Etoile 18K Gold Diamond Heart Charm Bracelet 7"
By Tiffany Co.
Located in Los Angeles, CA
TIFFANY&Co. 750 PT950" on the charm, "T&Co. 750" on the bracelet Condition: Excellent condition, like new
Category

2010s Charm Bracelets

Materials

Diamond, 18k Gold

TIFFANY Co. Platinum 2mm Knife Edge Wedding Band Ring 8.5
By Tiffany Co.
Located in Los Angeles, CA
: 2mm Hallmark: ©TIFFANY&CO. PT950 Condition: Excellent condition, like new Authenticity Guaranteed
Category

2010s American Wedding Rings

Materials

Platinum

Tiffany Co. Forever Half Circle Diamond Band Platinum 3.5 MM
By Tiffany Co.
Located in San Diego, CA
Hallmark: TIFFANY&CO. PT950 Includes: T&C Jewelry Pouch Retail: $10,400 Sku#18400TKAL
Category

2010s Band Rings

Materials

Diamond, Platinum

Estate Tiffany Co. 10 Diamond Platinum Etoile Band Ring, 6.75 US
By Tiffany Co.
Located in New York, NY
spaced gems. It is the epitome of modern elegance. Marks: Tiffany & Co., PT950 Condition: Very Good ♦
Category

20th Century Modern Band Rings

Materials

Diamond, Platinum

Tiffany Co. Together Platinum 4MM Double Milgrain Band Wedding Ring
By Tiffany Co.
Located in Baltimore, MD
grams Width: 4mm Size: 7 (US) Signed: ©Tiffany & Co. PT950 Retail: $2,100 USD
Category

21st Century and Contemporary American Modern Wedding Rings

Materials

Platinum

Tiffany Co. 3.91 Ct. Round Brilliant Cut Diamond Engagement Ring
By Tiffany Co.
Located in Chicago, IL
. Crafted in platinum, the ring weighs 6.8 grams and is a size 6. It is stamped: “TIFFANY & Co. PT950 S00
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Platinum

TIFFANY Co. Forever Platinum 3mm Lucida Wedding Band Ring 9
By Tiffany Co.
Located in Los Angeles, CA
: 3mm Weight: 5.70 grams Hallmark: ©TIFFANY&CO. Pt950 Condition: New, comes with Tiffany pouch and box
Category

2010s American Wedding Rings

Materials

Platinum

TIFFANY Co. Forever Platinum 6mm Lucida Wedding Band Ring 12 Men s
By Tiffany Co.
Located in Los Angeles, CA
Width: 6mm Hallmark: ©1999 TIFFANY&Co. PT950 Condition: Excellent condition, like new Tiffany price
Category

2010s American Wedding Rings

Materials

Platinum

Tiffany Co. 1.75 Carat Diamond Platinum Rose Gold Lock Pendant Necklace
By Tiffany Co.
Located in Stamford, CT
brilliant cut diamonds, approx. 1.75cts Platinum 18k rose gold Stamped: PT 950 750 Hallmark: Tiffany + Co
Category

21st Century and Contemporary Pendant Necklaces

Materials

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

Tiffany Co. Diamond Large Daisy Flower Platinum Pendant Necklace
By Tiffany Co.
Located in Southampton, PA
" Pendant: 25mm x 54mm Stamped Hallmarks: Tiffany & Co PT950 *Free Shipping within the United States* YOUR
Category

Early 2000s American Pendant Necklaces

Materials

Diamond, Platinum

TIFFANY Co. Forever Platinum 3mm Lucida Wedding Band Ring 8
By Tiffany Co.
Located in Los Angeles, CA
: 3mm Weight: 4.90 grams Hallmark: ©TIFFANY&CO. Pt950 Condition: Excellent condition, like new, comes
Category

2010s American Wedding Rings

Materials

Platinum

TIFFANY Co. Etoile 18K Gold Diamond 4mm Band Ring 4.5
By Tiffany Co.
Located in Los Angeles, CA
Diamond: 10 round brilliant cut diamonds, carat total weight .22 Hallmark: TIFFANY&CO. 750 PT950
Category

2010s American Band Rings

Materials

Diamond, 18k Gold, Platinum

Tiffany and Co. Etoile Platinum Round Diamond Engagement Ring .29ct
By Tiffany Co.
Located in New York, NY
Hallmarks: ©Tiffany D& Co. PT950 21563014 .29 CT Finger Size: 5.75 ( Can be resized) Band Width: 4mm Metal
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Platinum 1.01 Carat Emerald Cut Diamond Solitaire Engagement Ring
By Tiffany Co.
Located in Chicago, IL
ring is stamped “©Tiffany & Co. Pt950 26406501 1.01CT” on the inside of the shank. Ring size 7.75
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, White Diamond, Emerald, Platinum

TIFFANY Co. Forever Platinum 6mm Lucida Wedding Band Ring 8.5
By Tiffany Co.
Located in Los Angeles, CA
: 13.70 grams Band Width: 6mm Hallmark: ©TIFFANY & CO. PT950 Condition: Excellent condition, like new
Category

2010s American Wedding Rings

Materials

Platinum

TIFFANY Co. Platinum .18ct Diamond Bezet Band Ring 4.5 New
By Tiffany Co.
Located in Los Angeles, CA
. PT950 Condition: New, comes with Tiffany pouch and box Limited edition, no longer available for sale
Category

2010s American Wedding Rings

Materials

Diamond, Platinum

TIFFANY Co. Forever Platinum 3mm Lucida Wedding Band Ring 4.5
By Tiffany Co.
Located in Los Angeles, CA
Width: 3mm Weight: 4.50 grams Hallmark: ©1999 TIFFANY&Co. PT950 Condition: New, comes with Tiffany pouch
Category

2010s American Wedding Rings

Materials

Platinum

TIFFANY CO. 4.32 Fancy Yellow Diamond Dangle Platinum Earrings
By Tiffany Co.
Located in Chicago, IL
are 11.2 mm wide with the bezel and 4.8 mm deep. The earrings are stamped "PT950 750 ©Tiffany&Co
Category

2010s American Contemporary Stud Earrings

Materials

Diamond, Yellow Diamond, Platinum

TIFFANY Co. Forever Platinum 4.5mm Lucida Wedding Band Ring 7
By Tiffany Co.
Located in Los Angeles, CA
: 4.5mm Weight: 8.10 grams Hallmark: ©1999 TIFFANY & CO. PT950 Condition: Excellent condition, like new
Category

2010s American Wedding Rings

Materials

Platinum

TIFFANY Co. Forever Platinum 2.2mm Half Circle Diamond Embrace Band Ring 5.5
By Tiffany Co.
Located in Los Angeles, CA
TIFFANY&CO. PT950 Condition: Excellent condition, like new, comes with Tiffany box Tiffany price: $4,400
Category

2010s American Wedding Rings

Materials

Diamond, Platinum

TIFFANY Co. Forever Platinum 2.2mm Half Circle Diamond Embrace Band Ring 7.5
By Tiffany Co.
Located in Los Angeles, CA
TIFFANY&CO. PT950 Condition: Excellent condition, like new, comes with Tiffany box Tiffany price: $4,400
Category

2010s American Wedding Rings

Materials

Diamond, Platinum

Tiffany Co. Legacy 4.0 Carat Fancy Intense Yellow Diamond Engagement Ring
By Tiffany Co.
Located in London, GB
, Clarity: VVS-VS Marked: ‘Tiffany & Co.’ ‘4.0CT’ ‘PT950’ & Serial Number & GIA number RRP: The ring was
Category

Early 20th Century Engagement Rings

Materials

Diamond, Yellow Diamond

Tiffany Co. NOVO Platinum Fancy Intense Yellow Diamond Engagement Ring
By Tiffany Co.
Located in Chicago, IL
inside of the band is stamped "©TIFFANY&Co. PT950." and "3579** D1.03 CT"**, ensuring its authenticity
Category

2010s American Band Rings

Materials

Diamond, Yellow Diamond, Platinum

TIFFANY Co. Forever Platinum 2.2mm Half Circle Diamond Embrace Band Ring 6.5
By Tiffany Co.
Located in Los Angeles, CA
TIFFANY&CO. PT950 Condition: Excellent condition, like new, comes with Tiffany box Tiffany price: $4,400
Category

2010s American Wedding Rings

Materials

Diamond, Platinum

TIFFANY Co. Together Platinum 3mm Milgrain Wedding Band Ring 9.5
By Tiffany Co.
Located in Los Angeles, CA
Width: 3mm Weight: 6.40 grams Hallmark: ©TIFFANY&CO. PT950 Condition: New, comes with Tiffany pouch
Category

2010s American Wedding Rings

Materials

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.