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Vintage Harry Winston Diamond Eternity Channel Ring in Platinum
By Harry Winston
Located in London, England
ring is hallmarked HW, PT950 (for platinum), 171579. Lastly, a valuation for insurance and authenticity
Category
21st Century and Contemporary Modern Wedding Rings
Materials
Diamond, Platinum
Peter Suchy 6.70 Carat Pear Round Shape Diamond Platinum Cluster Earrings
By Peter Suchy
Located in Stamford, CT
Stamped: 950 Platinum
Stamped: PT 950
Top to bottom: 16.55mm or .65 inch
Width: 14.72mm or .58 inch
Depth
Category
21st Century and Contemporary More Earrings
Materials
Diamond, Platinum
Vintage Tiffany
Co. Half Eternity Diamond Ring in Platinum
By Tiffany
Co.
Located in London, England
hallmarked Tiffany & Co., PT950 (for platinum). Lastly, this piece is accompanied by the original card, as
Category
Early 2000s Modern Wedding Rings
Materials
Diamond, Platinum
Contemporary 3.98 Carats Diamond Sapphire Platinum Gemstone Ring
Located in Philadelphia, PA
total approximately 0.80 carat with G/H color and VS clarity
With maker's mark and stamped PT950 for
Category
Early 2000s Contemporary Cocktail Rings
Materials
Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum
Tiffany
Co. Contemporary 0.95 Carat Sapphire Platinum Star Drop Necklace
By Tiffany
Co.
Located in Philadelphia, PA
Fully signed Tiffany & Co. and stamped PT 950 for platinum
Length: 17 1/2 inches
Drop measures: 1/2
Category
Late 20th Century Contemporary Drop Necklaces
Materials
White Diamond, Pink Sapphire, Platinum
Contemporary Opal 1.38 Carats Diamond Platinum Cluster Ring
Located in Philadelphia, PA
Weighing in total approximately 1.38 carats with G/H color and are VS to SI clarity
Stamped PT950 for
Category
Early 2000s Contemporary Cluster Rings
Materials
Diamond, White Diamond, Opal, Black Opal, Platinum
Contemporary 0.55 Carat Princess Diamond Platinum Channel Band Ring
Located in Philadelphia, PA
carat in total - G/H in color with VS clarity
Numbered and stamped PT950 for platinum
Circa: 2000's
Category
Early 2000s Contemporary Band Rings
Materials
Diamond, White Diamond, Platinum
Elsa Peretti Tiffany
Co. Inset Diamond Platinum Band Ring
By Elsa Peretti for Tiffany
Co.
Located in Philadelphia, PA
PT950 for platinum
Circa: 1990s
Ring Size: 4 1/2 & sizable
Measures: 2.8 mm wide and sits 1.9 mm high
Category
1990s Contemporary Band Rings
Materials
Diamond, White Diamond, Platinum
Elsa Peretti Tiffany
Co. Diamond Platinum Stacking Band Ring
By Elsa Peretti for Tiffany
Co.
Located in Philadelphia, PA
PT950 for platinum
Circa: 1990s
Ring Size: 4 & sizable
Measures: 2.7 mm wide and sits 1.9 mm high
Category
1990s Contemporary Band Rings
Materials
Diamond, White Diamond, Platinum
1.72 Carat F VS1 Diamond Engagement Ring Platinum GIA Cert
By Lawrence Jeffrey
Located in Litchfield, CT
.28 carats graded as G color and VS2 clarity.
HALLMARKS: PT 950 for platinum
CERTIFICATES: GIA
Category
2010s American Engagement Rings
Materials
Diamond, Platinum
GIA Certified 1.54 Carat Pink Sapphire Halo Diamond Platinum Engagement Ring
Located in Stamford, CT
Platinum
5.1 grams
Tested: 950 Platinum
Stamped: PT 950
Hallmark: .23 Brown
Co
Size 6.5 and
Category
1990s Engagement Rings
Materials
Diamond, Sapphire, Pink Sapphire, Platinum
Vintage Tiffany
Co. Platinum Knife-Edge Wedding Band Ring 1.8mm
By Tiffany
Co.
Located in New York, NY
Hallmarks: Tiffany & Co. PT950
Metal: Platinum
Finger Size: 6.75 (Can be resized)
Weight: 2.3 grams
Width
Category
1990s Contemporary Wedding Rings
Materials
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
Dazzling 1.15 Carat Diamond Platinum Floral Cluster Drop Earrings
Located in Philadelphia, PA
leverbacks
Stamped PT950 for platinum
Signed Jacqueline for Jacqueline Diani
From the contemporary
Category
Late 20th Century Contemporary Drop Earrings
Materials
Diamond, White Diamond, Platinum
Schlumberger Tiffany
Co. 1.15 Ctw Diamond Platinum X Band Ring
By Jean Schlumberger for Tiffany
Co.
Located in Philadelphia, PA
motifs
Framed by polished platinum edges
Stamped PT950 for platinum
Fully signed Tiffany & Co
Category
21st Century and Contemporary Contemporary Band Rings
Materials
Diamond, Platinum
Tiffany
Co. Round Brilliant .70ct Diamond
Platinum Solitaire Engagement Ring
By Tiffany
Co.
Located in San Diego, CA
Tiffany & Co.
Style: Solitaire
Metal: Platinum PT950
Size: 6 - sizable
Total Carat Weight
Category
1990s American Modern Engagement Rings
Materials
Diamond, Platinum
Peter Suchy GIA Certified 1.25 Carat Sapphire Diamond Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
diamonds, approx. total weight .92cts, G, VS2 0 SI1
Tested: Platinum
Stamped: PT 950
Width at top: 6.50mm
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Blue Sapphire, Sapphire, Platinum
GIA Certified 1.71 Carat Diamond in David Yurman Platinum Mounting
By David Yurman
Located in Hicksville, NY
6.75
Hallmarked "D.Y." and "PT950" for Platinum
Category
Early 2000s American Engagement Rings
Materials
Diamond, Platinum
Tiffany
Co. Diamond Platinum Tiffany Jazz Band Stacking Ring
By Tiffany
Co.
Located in Philadelphia, PA
From the contemporary Tiffany Jazz collection
Fully signed Tiffany & Co.
Stamped PT950 for platinum
Category
Late 20th Century Contemporary Band Rings
Materials
Diamond, White Diamond, Platinum
Tiffany
Co. 1.55 Carats Diamond Platinum Eternity Band Ring
By Tiffany
Co.
Located in Philadelphia, PA
Stamped PT950 for platinum
Numbered and signed T & Co. for Tiffany & Co.
Circa: 1999
Ring Size: 4 1/2
Category
1990s Contemporary Band Rings
Materials
Diamond, White Diamond, Platinum
Elegant 3.10 Carat Pave Diamond Platinum Heart Drop Earrings
Located in Philadelphia, PA
approximately 3.10 carats with G to I color and SI clarity
Completed by posts and friction backs
Stamped Pt950
Category
Late 20th Century Contemporary Drop Earrings
Materials
Diamond, White Diamond, Platinum
Peter Suchy GIA Certified 1.11 Carat Diamond Platinum Pendant Necklace
By Peter Suchy
Located in Stamford, CT
Certificate # 5181649369
1 oval cushion diamond I I, approx. .31cts
Platinum
Stamped: PT950
3.5 grams
Top to
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, Platinum
Peter Suchy GIA Certified 1.43 Carat Diamond Platinum Stud Earrings
By Peter Suchy
Located in Stamford, CT
Platinum
Stamped: PT950
1.9 grams
Top to bottom: 5.8mm or .25 Inch
Width: 5.8mm or .25 Inch
Depth or
Category
21st Century and Contemporary Stud Earrings
Materials
Diamond, Platinum
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
Modern 1.51 Carat Diamond Platinum Three-Row Band Ring
Located in Philadelphia, PA
brilliant cut diamonds weighing approximately 0.60 carat total; G to J color with VS clarity
Stamped Pt950
Category
Early 2000s Contemporary Band Rings
Materials
Diamond, White Diamond, Platinum
Tiffany
Co. 1.20 Carats Diamond Platinum Solitaire Engagement Ring GIA
By Tiffany
Co.
Located in Philadelphia, PA
Stamped Pt. 950 for platinum
Numbered and fully signed for Tiffany & Co.
Circa: 21st century
Ring size
Category
21st Century and Contemporary Contemporary Engagement Rings
Materials
Diamond, White Diamond, Platinum
Tiffany
Co Platinum Soleste 1.38 Ct. Center Oval Diamond engagement ring F VS2
By Tiffany
Co.
Located in New York, NY
platinum, framed by a halo of exceptionally brilliant round Tiffany diamonds and diamond-pave set shoulders
Category
21st Century and Contemporary Contemporary Engagement Rings
Materials
Diamond, Platinum
Tiffany
Co. Elsa Peretti .20 Carat Diamond Platinum by the Yard Necklace
By Elsa Peretti for Tiffany
Co.
Located in Stamford, CT
brilliant cut diamond, G VS approx. .20cts
Platinum
Stamped: PT 950
Hallmark: Tiffany + Co Peretti
2.3
Category
21st Century and Contemporary Chain Necklaces
Materials
Diamond, Platinum
Tiffany
Co. Platinum Harmony Diamond 0.25 Carats Band Ring
By Tiffany
Co.
Located in New York, NY
: Tiffany & Co. PT950
Metal: Platinum
Finger Size: 7.5 ( Can be resized)
Weight: 2.7 grams
Width: 1.8 mm
Category
2010s American Modern Band Rings
Materials
Diamond, Platinum
1999 Tiffany
Co. Platinum 4.5MM Vintage Unisex Wedding Band Stackable Ring
By Tiffany
Co.
Located in Philadelphia, PA
Designed as a comfort fit style band with rounded edges
Completed by a high polish
Stamped PT950
Category
1990s Contemporary Band Rings
Materials
Platinum
Tiffany
Co. Diamond Platinum Fleur De Lis Key Pendant Necklace
By Tiffany
Co.
Located in Philadelphia, PA
Keys collection
Both fully signed Tiffany & Co. and stamped PT950 for Platinum
Length: 18 inches
Category
Late 20th Century Contemporary Pendant Necklaces
Materials
Diamond, Platinum
Tiffany
Co. 5.00 Carat Round Brilliant Diamond Platinum Bangle Bracelet
By Tiffany
Co.
Located in Philadelphia, PA
chain
Fully signed Tiffany & Co. and stamped PT950 for platinum
Inner circumference: 6 3/4 Inches
Category
20th Century Unknown Modern Bangles
Materials
Diamond, Platinum
Peter Suchy GIA Certified .78 Carat Round Diamond Platinum Pendant Necklace
By Peter Suchy
Located in Stamford, CT
Platinum
Stamped: PT 950
3.8 grams
Top to bottom: 12.6mm or .5 Inches
Width: 5.8mm or .25 Inches
Depth or
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, Platinum
Tiffany
Co. Round Brilliant Diamond 0.28 Carat Platinum Engagement Ring Papers
By Tiffany
Co.
Located in San Diego, CA
Tiffany & Co.
Style: Solitaire Engagement Ring
Serial Number: 16428698
Metal: Platinum PT950
Category
2010s American Engagement Rings
Materials
Diamond, Platinum
Tiffany
Co. 1.00 Carat Diamond Platinum Soleste Station Necklace
By Tiffany
Co.
Located in Philadelphia, PA
by a logo link and a lobster clasp
Both chain and station are stamped PT950 for platinum
Pendant is
Category
Late 20th Century Contemporary Chain Necklaces
Materials
Diamond, White Diamond, Platinum
Niessing Diamond Smokey Quartz Platinum Sphere Chord Collar Necklace
By Niessing
Located in Philadelphia, PA
brown in color
Completed by hook closure
Stamped PT950 for platinum
Fully signed with maker's mark
Category
Early 2000s Contemporary Choker Necklaces
Materials
Diamond, White Diamond, Quartz, Platinum
Tiffany
Co. 0.55 Carat Diamond Platinum Wedding Band Ring
By Tiffany
Co.
Located in Philadelphia, PA
weighing in total approximately 0.55 carat with F/G color and VS clarity
Stamped PT950 for platinum
Fully
Category
Early 2000s Contemporary Wedding Rings
Materials
Diamond, White Diamond, Platinum
Contemporary 1.00 CTW Diamond Platinum Five Stone Band Ring
Located in Philadelphia, PA
mark and stamped PT950 for platinum
Circa: 2000s
Ring Size: 5 3/4 & sizable
Measures: North to South
Category
Early 2000s Contemporary Band Rings
Materials
Diamond, White Diamond, Platinum
Vintage Harry Winston GIA Certified Tryst Diamond Ring in Platinum
By Harry Winston
Located in London, England
is signed and hallmarked HW, Pt950 (for platinum), with serial number 576331. Lastly, this piece is
Category
2010s Engagement Rings
Materials
Diamond, Platinum
Vintage Tiffany
Co. Schlumberger Platinum 16 Diamond X Eternity Band Ring
By Tiffany
Co.
Located in Montclair, NJ
- 1.12ctw (approx.)
Material: Solid .900+ Platinum (tested) - Marked PT950
Weight: 9.90 Grams
Ring Size
Category
20th Century Wedding Rings
Materials
Diamond, Platinum
Tiffany
Co. 1.90 Carats Diamond Platinum Three Stone Ring
By Tiffany
Co.
Located in Philadelphia, PA
approximately 1.05 carats - matched to center
Completed by subtle cathedral shoulders
Stamped PT950 for
Category
Early 2000s Contemporary Three-Stone Rings
Materials
Diamond, White Diamond, Platinum
Tiffany
Co. Soleste Platinum Aquamarine and Diamond Stud Earrings
By Tiffany
Co.
Located in New York, NY
.
Earrings Specifications
Brand: Tiffany & Co.
Style: Soleste
Hallmarks: © T&Co. PT950
Metal: Platinum
Category
2010s American Modern Stud Earrings
Materials
Aquamarine, Diamond, Platinum
Tiffany
Co 0.19ct Diamond Solitaire Engagement Ring Platinum Estate
By Tiffany
Co.
Located in Torrance, CA
), rising 6mm from the finger.
Metal & Hallmark: Platinum. The ring is hallmarked "PT950" for platinum
Category
Early 2000s Unknown Modern Solitaire Rings
Materials
Diamond, White Diamond, Platinum
Contemporary 0.89 Carat Diamond Platinum Halo Engagement Ring GIA
Located in Philadelphia, PA
. Weighing approximately 0.28 carat total - H to J in color with VS1 clarity. Stamped PT950 for platinum
Category
21st Century and Contemporary Contemporary Engagement Rings
Materials
Diamond, White Diamond, Platinum
Tiffany
Co. 3.00 Carat Diamond Platinum Etoile 4-Row Eternity Band Ring
By Tiffany
Co.
Located in Philadelphia, PA
carats, G/H color and VS clarity
Fully signed Tiffany & Co. and stamped Pt 950 for platinum
Ring Size
Category
20th Century Unknown Modern Band Rings
Materials
Diamond, Platinum
Tiffany
Co. Contempory 3.00 Carat Diamond Platinum Etoile 4-Row Eternity Band
By Tiffany
Co.
Located in Philadelphia, PA
carats, G/H color and VS clarity
Fully signed Tiffany & Co. and stamped Pt 950 for platinum
Ring Size
Category
20th Century Unknown Modern Band Rings
Materials
Diamond, Platinum
Tiffany
Co. 3.00 Carat Diamond Platinum Etoile 4-Row Eternity Band Ring
By Tiffany
Co.
Located in Philadelphia, PA
carats, G/H color and VS clarity
Fully signed Tiffany & Co. and stamped Pt 950 for platinum
Ring Size
Category
20th Century Unknown Modern Band Rings
Materials
Diamond, Platinum
Tiffany
Co. Platinum Harmony Diamond 0.20 Carats Band Ring
By Tiffany
Co.
Located in New York, NY
: Tiffany & Co. PT950
Metal: Platinum
Finger Size: 4 ( Can be resized)
Weight: 2.4 grams
Width: 1.8 mm
Category
21st Century and Contemporary American Modern Band Rings
Materials
Diamond, Platinum
Dazzling 2.50 Carat Diamond Platinum Floral Cluster Drop Earrings
Located in Philadelphia, PA
carats with G/H color and VS clarity
Completed by hinged leverbacks
Stamped PT950 for platinum
Signed
Category
Late 20th Century Contemporary Drop Earrings
Materials
Diamond, White Diamond, Platinum
Tiffany
Co. Schlumberger Sixteen Stone 1.14TCW Diamond Ring 18kt
Platinum
By Tiffany
Co.
Located in San Diego, CA
Gold & Platinum PT950
Size: 5 - not sizable
Total Carat Weight: 1.14 TCW
Diamond Shape: Round
Category
2010s American Fashion Rings
Materials
Diamond, 18k Gold, Platinum
Contemporary Diamond and Sapphire Double Target Ring in Platinum
Located in London, England
A beautiful Art Deco style diamond and sapphire double target ring set in platinum.
The ring is
Category
2010s British Cluster Rings
Materials
Diamond, Sapphire, Platinum
Tiffany
Co. Round Brilliant 0.28 Carat Diamond Engagement Ring in Platinum
By Tiffany
Co.
Located in San Diego, CA
Tiffany & Co.
Style: Classic Tiffany Solitaire
Serial Number: D64661
Metal: Platinum PT950
Size
Category
2010s American Modern Engagement Rings
Materials
Diamond, Platinum
Tiffany
Co. Platinum Solitaire Round Diamond .54Ct FVS1 Engagement Ring
By Tiffany
Co.
Located in New York, NY
950 67306635 D0.54
Metal: Platinum
Finger Size: 5.5 (Can be resized)
Weight: 4.6 grams
Diamond
Category
21st Century and Contemporary American Contemporary Engagement Rings
Materials
Diamond, Platinum
Cartier 0.53 Carats Diamond Platinum Solitaire Engagement Ring GIA
By Cartier
Located in Philadelphia, PA
with sleek cathedral shoulders
Stamped PT950 for platinum
Numbered and fully signed Cartier
Category
Late 20th Century Contemporary Engagement Rings
Materials
Diamond, White Diamond, Platinum
Tiffany
Co. 2.10 Carats Diamond Platinum Channel Eternity Band Ring
By Tiffany
Co.
Located in Philadelphia, PA
approximately 2.10 carats with F/G color and VS clarity
Stamped PT950 for platinum
Fully signed Tiffany & Co
Category
Early 2000s Unknown Contemporary Band Rings
Materials
Diamond, Platinum
Tiffany
Co. 2.10 Carats Diamond Platinum Channel Eternity Band Ring
By Tiffany
Co.
Located in Philadelphia, PA
approximately 2.10 carats with F/G color and VS clarity
Stamped PT950 for platinum
Fully signed Tiffany & Co
Category
Early 2000s Unknown Contemporary Band Rings
Materials
Diamond, Platinum
Tiffany
Co. 2.10 Carats Diamond Platinum Channel Eternity Band Ring
By Tiffany
Co.
Located in Philadelphia, PA
approximately 2.10 carats with F/G color and VS clarity
Stamped PT950 for platinum
Fully signed Tiffany & Co
Category
Early 2000s Unknown Contemporary Band Rings
Materials
Diamond, Platinum
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Pt950 Platinum For Sale on 1stDibs
On 1stDibs, you can find the most appropriate piece of pt950 platinum for your needs in our varied inventory. Each design created in this style — which was crafted with great care and often made from platinum, gold and 18k gold — can elevate any look. Find an antique version now, or shop for 1597 vintage or 2187 modern creation for a more contemporary example of these cherished accessories. Making the right choice when shopping for an item from our selection of pt950 platinum may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 19th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. There have been many well-made iterations of the classic choice in our collection of pt950 platinum over the years, but those made by Tiffany
Co., Cartier and Jean Schlumberger for Tiffany
Co. are often thought to be among the most beautiful. A round cut version of this piece has appeal, but there are also brilliant cut and cushion cut versions for sale. If you’re browsing our inventory for an object in our assortment of pt950 platinum, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.
How Much is a Pt950 Platinum?
Prices for a piece of pt950 platinum can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $98 and can go as high as $3,200,000, while this accessory, on average, fetches $5,720.
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 rings, vintage engagement rings or Art Deco engagement rings.
Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.
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