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3 Carat Old European Cut Diamond Platinum

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Edwardian 11.25 Carat Diamond Platinum Bow Pin
Located in Miami, FL
This spectacular platinum Edwardian bow pin is set with approximately 11.25cts of European and old
Category

Antique Early 1900s American Edwardian Brooches

Materials

Diamond, White Diamond, Platinum

Art Deco 3 Carat Diamond and Ruby Tablet or Plaque Ring in Platinum, Circa 1925
Located in Sherman Oaks, CA
. The stones consist of 38 diamonds and 18 rubies. The center stone is very clean, European-cut, bezel
Category

Early 20th Century Unknown Art Deco Cocktail Rings

Materials

Diamond, White Diamond, Ruby, Platinum

3.52 Carat Antique Cushion Unheated Burma Ruby and Diamond 3-Stone Platinum Ring
Located in Boston, MA
two old European cut diamonds having a respective color and clarity of I SI1-S12, and an approximate
Category

Antique Mid-19th Century Unknown Three-Stone Rings

Materials

Diamond, Ruby, Platinum

Antique 1.16 Carat Diamond and Platinum Three Stone Ring
Located in Jesmond, Newcastle Upon Tyne
Quality Feature Diamond One Colour H Clarity SI1 Cut Old European Content 0.59 carat Dimensions 5.57mm x
Category

Vintage 1930s Unknown Three-Stone Rings

Materials

Diamond, Platinum

ART DECO 1920 European Platinum Necklace With Carved Jadeite Jade Diamonds
Located in Miami, FL
embellished with fifty-three old European round cuts diamonds. Fitted with a spring ring security lock. The
Category

Vintage 1920s American Art Deco Pendant Necklaces

Materials

Diamond, Jade, White Diamond, Platinum

.50 Carat Art Deco Diamond Filigree Dome Platinum Engagement Ring
Located in Stamford, CT
Two stone diamond dome engagement ring. Set with 2 Old European shape diamonds with a total weight
Category

Early 20th Century Engagement Rings

Materials

Diamond, Platinum

7.36 Carat Round and Circular Brilliant Diamond 2.50 Carat Emerald Platinum Pin
Located in New York, NY
Cut Emerald Platinum Pin Metal: Platinum Gemstone 1: 2.36 Carat Diamond Number of Stones: 1
Category

20th Century Brooches

Materials

Diamond, Emerald, Platinum

1.94 Carat Old European and Round and Baguette Shape 14K WG/Plat Art Deco Ring
Located in New York, NY
Diamond Number of Stones: 1 Color: G Clarity: SI1 Shape: Old European Cut Gemstone 5: 1.24 Carat Diamond
Category

20th Century Art Deco Engagement Rings

Materials

Diamond, 14k Gold, Platinum

Antique 3.42 carat Diamond and Platinum Cluster Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
Feature Diamond Color J Clarity SI2 Cut Old European Content 2.37 carats Dimensions 8.87mm (length) x
Category

Vintage 1920s Unknown Engagement Rings

Materials

Diamond, Platinum

1920s 0.96 Carat Diamond and Platinum Five Stone Ring
Located in Jesmond, Newcastle Upon Tyne
grades) G Clarity (average grades) SI2 Cut Old European Round Content 0.70 carat Total Diamond Content
Category

20th Century Unknown Wedding Rings

Materials

Diamond, Platinum

Antique 3.31 Carat Diamond and Platinum Solitaire Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
principal 3.03Ct Old European Round cut diamond. The basket style setting is ornamented to the sides with
Category

Vintage 1920s Unknown Engagement Rings

Materials

Diamond, Platinum

Art Deco Inspired 1 Carat Diamond Sapphire Platinum Ring
Located in Beverly Hills, CA
Center Stone: Diamond Cut: Old European Weight: 1 Carat Color: L Clarity: SI Accent Stone: 92
Category

Vintage 1920s Art Deco Cocktail Rings

Materials

Diamond, Platinum

Antique 1900s 2.55 Carat Diamond and 2.60 Carat Sapphire Platinum Brooch
Located in Jesmond, Newcastle Upon Tyne
diamond brooch has been crafted in platinum. The fine pierced decorated frame displays ten Old European
Category

Antique Early 1900s Unknown Brooches

Materials

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

Art Deco Inspired 1.03 Carat Round Brilliant Cut Diamond Ruby Platinum Ring
Located in Beverly Hills, CA
: 6 Calibre Cut Red Ruby Weight: Approximately .30 Carats Accent Stone: 60 Old European Cut Diamonds
Category

20th Century Art Deco Engagement Rings

Materials

Diamond, Ruby, Platinum

Antique 1920s Platinum Diamond Engagement Ring .74 Carat
Located in Boston, MA
Antique 1920s Platinum Diamond Engagement Ring - The center old European Cut diamond weighs .74ct
Category

Vintage 1920s American Art Deco Engagement Rings

Materials

Diamond, Platinum

Vintage 1.53 Carat Diamond and Platinum Cocktail Ring, circa 1950
Located in Jesmond, Newcastle Upon Tyne
Cut Old European Content 0.64 carat Dimensions 5.33mm x 5.21mm x 3.56mm Feature Diamond Two Color J
Category

Vintage 1950s Unknown Cocktail Rings

Materials

Diamond, Platinum

Antique 1.89 Carat Diamond and Platinum Three Stone Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
ring. Diamond Quality Feature Diamond One Color H Clarity VS1 Cut Old European Content 0.85 carat
Category

Vintage 1920s Unknown Three-Stone Rings

Materials

Diamond, Platinum

GIA Certified Art Deco Authentic 3 Carat Diamond Cocktail Ring
Located in Chicago, IL
a stunning 3.02 carat old transitional cut diamond at its center. Crafted in solid platinum, the
Category

Vintage 1940s Unknown Art Deco Cocktail Rings

Materials

Diamond, Platinum

Antique Art Deco 3.26 Carat Diamond and Platinum Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive 3.26 carat diamond and platinum Art Deco cocktail ring; part of our
Category

Vintage 1930s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

Elegant Edwardian GIA Diamond 3 Stone 4 Carat Engagement Ring
Located in Santa Barbara, CA
Diamond Weight 4.03 Central Diamond: Carat Weight: 1.45 Cut: Old European Color: G Clarity: SI2 Accent
Category

Antique Early 1900s Edwardian Dome Rings

Materials

Diamond, Platinum

Art Deco 3 Stone Diamond Platinum Ring Mined .45ct Original 1930 s
Located in Dearborn, MI
Features a Genuine Mined Natural Old European Cut .20ct Center Diamond Surrounded by Old European Cut Side
Category

Vintage 1930s Art Deco Three-Stone Rings

Materials

Diamond, Platinum

GIA Certified 1.80 Carat Edwardian Diamond Platinum Engagement Ring
Located in Hicksville, NY
Measurements: 7.63mm x 7.39mm x 4.92mm Side Diamond Details: Weight: .45ct, total Cut: Old European brilliant
Category

Vintage 1910s Unknown Edwardian Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco Platinum Old Cut Diamond w/ Emeralds Open Geometric Brooch Pin
Located in Montclair, NJ
settings. The brooch is completely drenched in old European cut & 1 marquise cut diamonds. The brooch has
Category

Vintage 1920s Art Deco Brooches

Materials

Diamond, Emerald, Platinum

French 2.65 Carat Diamond and Yellow Gold Platinum Set Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
platinum setting displays a feature 1.33Ct Old European round cut diamond, pavé set in relief to a stepped
Category

Vintage 1920s French Cocktail Rings

Materials

Diamond, Platinum, Yellow Gold

Edwardian Platinum Filigree 1.50 carat tw Diamond Floral Bar Pin
Located in Big Bend, WI
. The pin features a center old European cut diamond weighing about .50cts. There are 90 additional
Category

Early 20th Century Edwardian Brooches

Materials

Diamond, Platinum

Art Deco Diamond Synthetic Sapphire Engraved 1 Carat Platinum Ring
Located in Scotts Valley, CA
) diamond with the following characteristics: Cut: European Cut Carat Weight: 0.91 carat (Formulaic
Category

Vintage 1920s Art Deco Wedding Rings

Materials

Diamond, Sapphire, Platinum

Enticing 0.70 Carat Diamond Sapphire Platinum Engagement Ring
Located in New York, NY
Handcrafted from the from the Art Deco era, this ring is centered with a sparkling old European cut
Category

Early 20th Century Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

1.78 Carat Diamond and Platinum Solitaire Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive 1.78 carat diamond and platinum solitaire ring; part of our diverse
Category

Vintage 1910s Unknown Engagement Rings

Materials

Diamond, Platinum

Certified 2.05 Carat Colombian Emerald in Platinum 3-Stone Engagement Ring
By Eytan Brandes
Located in Sherman Oaks, CA
VS1-2 clarity and F-G color. The total diamond weight is 0.51 carats. The platinum mounting is new
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, White Diamond, Emerald, Platinum

GIA .97 Carat Art Deco Diamond Platinum Engagement Ring
Located in Hicksville, NY
Ring Size: 6.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3 .0 grams Diamond Details
Category

Vintage 1930s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique 1.55 Carat Diamond and Platinum Cluster Engagement Ring Circa 1920
Located in Jesmond, Newcastle Upon Tyne
Old European round cut diamonds, in a central linear formation. The central arrangement is flanked to
Category

Vintage 1920s Unknown Three-Stone Rings

Materials

Diamond, Platinum

Art Deco 4.05 Carat Ruby and Old Euro Diamond Halo Platinum Ring - AGL Certified
Located in Miami, FL
. The ruby is framed by a halo of old European and French-cut diamonds, totaling 2.20 carats. Ring size
Category

Vintage 1930s Art Deco Cocktail Rings

Materials

Diamond, Ruby, Platinum

GIA Certified 1.02 Carat Art Deco Diamond Platinum Engagement Ring
Located in Hicksville, NY
REPORT #: 1226484595 Weight: 1.02ct Cut: Old European brilliant Color: I Clarity: VS2 Measurements
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

Mid-Century 1.42 Carats Diamond Platinum Vintage Solitaire Engagement Ring GIA
Located in Philadelphia, PA
Centering an old European cut diamond weighing 1.42 carats - O/P color with VS1 clarity. Set by
Category

Vintage 1950s Retro Engagement Rings

Materials

Diamond, White Diamond, Platinum

Art Deco Sapphire, Diamond and Platinum Ring, 1.30 Carat
Located in London, GB
An Art Deco sapphire and diamond ring, with a central old cut diamond, weighing an estimated 1.30ct
Category

Vintage 1930s Unknown Art Deco Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Edwardian 6 Carat Diamond Pearl Platinum Sautoir Conversion Necklace
Located in Santa Barbara, CA
: 1901 - 1910 Metal: Platinum Gemstone Details: Diamonds: 162 Old Mine European Cut 30 Rose Cut
Category

Antique Early 1900s Edwardian Brooches

Materials

Diamond, Pearl, Platinum

Platinum Art Deco Diamond Ring 0.40ct
Located in Laguna Beach, CA
Ladies art deco platinum and diamond ring. Tests platinum and weighs 3 grams. The diamond is an old
Category

Early 20th Century Cocktail Rings

Materials

Diamond, Platinum

Antique and Contemporary 1.00 Carat Ruby 1.84 Carat Diamond Platinum Ring
Located in Jesmond, Newcastle Upon Tyne
Diamond Quality Feature Diamond One Color SI2 Clarity H Cut Old European Content 0.68 carat Dimensions
Category

21st Century and Contemporary Unknown Band Rings

Materials

Diamond, Ruby, Platinum

Diamond Engagement Platinum Ring
Located in Beverly Hills, CA
craftsmanship, set in elegant platinum. The centerpiece is a stunning 2.14-carat old European cut diamond, prong
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

Antique 1920s Art Deco 1.14 Carat Diamond and Platinum Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
Quality Feature Diamond Colour H Clarity VS1 Cut Old European Content 0.71 carat Dimensions 5.42mm (length
Category

Vintage 1920s Unknown Art Deco Cocktail Rings

Materials

Diamond, Platinum

Art Deco Style Diamond Sapphire 1.38 Carat Platinum Ring
Located in Scotts Valley, CA
details surrounding the diamond. This ring is stunning! Appraisal Reads: One old European cut diamond
Category

Late 20th Century North American Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Art Deco Platinum Shield Sapphire European Diamond Earrings Burma No Heat GIA
Located in Winter Springs, FL
overall condition. Surrounding the sapphires is a graceful arrangement of baguette and old European cut
Category

Early 20th Century Art Deco Clip-on Earrings

Materials

Diamond, Sapphire, Platinum

Antique Art Deco 1.39 Carat Diamond and Platinum Dress Ring Circa 1920
Located in Jesmond, Newcastle Upon Tyne
) Feature Diamond Two Color J Clarity P2 Cut Old European Content 0.40 carat Dimensions 4.76mm (length) x
Category

Vintage 1920s Unknown Art Deco Cocktail Rings

Materials

Diamond, Platinum

GIA Antique 3 Stone 4 Carats Fancy Intense Yellow Diamond Ring
By Belrose Estate Jewelers
Located in Santa Barbara, CA
: 1.39 carats total Cut: Old European Brilliant Color: H Clarity: VS2 2 Yellow Diamonds: Carat Weight
Category

Antique Late 19th Century Czech Edwardian Cocktail Rings

Materials

Diamond, Platinum

Platinum and Diamond Engagement Ring
Located in New York, NY
A platinum and diamond ring. Centering an old European cut diamond of 1.75 carats* in a filigree
Category

Vintage 1920s Engagement Rings

Materials

Diamond, Platinum

French 1950s Gaucherand 5.10 Carat Diamond Gold Platinum Ring
Located in Poitiers, FR
antique ring, it is set with claws on its top with 3 antique brilliant- cut diamonds surrounded by 2 x 5
Category

Vintage 1950s French Art Deco Cocktail Rings

Materials

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

Vintage Art Deco Platinum 6 Carat Diamond Tennis Bracelet
Located in Montgomery, AL
- 2.5mm Old European Cut Diamonds; GH Color; SI Clarity; Estimated Weight: 0.05 Carat Each 93 - 2.0mm
Category

Vintage 1920s Art Deco Tennis Bracelets

Materials

Diamond, Platinum

Antique 1.35 Carat Sapphire and 0.90 Carat Diamond, Platinum Ring Circa 1935
Located in Jesmond, Newcastle Upon Tyne
grades) SI2 Cut Old European Content 0.90 carat Number of Diamonds 6 Dimensions Length of setting
Category

Vintage 1930s Cocktail Rings

Materials

Diamond, Sapphire, Platinum

0.85 Carat Diamond Platinum Engagement Ring
Located in New York, NY
This magnificent platinum ring from the Art Deco era, centers a sparkling old European cut diamond
Category

Early 20th Century Art Deco Engagement Rings

Materials

Diamond, Platinum

Art Deco Platinum Diamond Engagement Ring .80ct
Located in Narberth, PA
magnificent ring features a .80ct old European cut diamond, which is held within a clawed four-prong setting
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique 0.63 Carat Diamond and Platinum Cluster Ring
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive antique Art Deco 0.72 carat diamond and platinum cluster ring; part of our
Category

Vintage 1920s Unknown Art Deco Cluster Rings

Materials

Diamond, Platinum

1.53 Carats Asscher Cut Blue Sapphire Antique Style Platinum Engagement Ring
Located in New York, NY
antique old European cut diamonds weighing 0.30 carat total with G color and SI clarity. Finely made with
Category

Vintage 1940s Unknown Edwardian Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

Vintage Camphor Glass Diamond Platinum Bracelet
Located in Montgomery, AL
; SI Clarity; Estimated Weight: 0.35 Carat 6 - 3.5mm Old European Cut Diamonds; IJ Color; SI Clarity
Category

Vintage 1920s Art Deco Link Bracelets

Materials

Diamond, Platinum

Antique 3 carat total weight diamond pearl 18k yellow gold hinged necklace
Located in Beverly Hills, CA
old mine, one old European, and 124 rose cut diamonds Weight: Approximately 3 carats Color: G-H
Category

Antique 1890s Victorian Pendant Necklaces

Materials

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

0.38 Carat Vintage Deco Old Euro Diamond Wedding Yellow Gold Plat Ring
Located in New York, NY
) Solitaire Engagement ring dazzles with 0.35CT OLD EUROPEAN Diamond Gemologic Certified H-I color, SI2
Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Vintage Platinum Diamond Cocktail Ring
Located in Montgomery, AL
gemstones 3 - 3.5mm Old European Cut Diamonds; GH Color; SI Clarity; Estimated Weight 0.15 Carat Each 4
Category

Early 20th Century Art Deco Cocktail Rings

Materials

Diamond, Platinum

Retro Platinum Diamond Ruby Double Heart Pendant/Charm
Located in Narberth, PA
crafted in platinum, and depicts two interlocking hearts. One of the hearts is encrusted with old European
Category

Vintage 1940s Retro Pendant Necklaces

Materials

Diamond, Ruby, Platinum

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3 Carat Old European Cut Diamond Platinum For Sale on 1stDibs

You are likely to find exactly the piece of 3 carat old european cut diamond platinum you’re looking for on 1stDibs, as there is a broad range for sale. Frequently made of Platinum, Gold and 18k Gold, this item was constructed with great care. In our selection of items, you can find a vintage example as well as a contemporary version. Finding the perfect item from our selection of 3 carat old european cut diamond platinum may mean sifting through those created during different time periods — you can find an early version that dates to the 18th Century and a newer variation that were made as recently as the 21st Century. For this particular accessory, there are many different carat weights to choose from, but .5 Carat and 1 Carat versions are of considerable interest. A choice in our collection of 3 carat old european cut diamond platinum from Single Stone, Hancocks and Antinori Fine Jewels — each of whom created a beautiful version of this treasured accessory — is worth considering. See these pages for an old european cut iteration of this accessory, while there are also round cut cut and old mine cut cut versions available here, too. There aren’t many items for men if you’re seeking an object in our assortment of 3 carat old european cut diamond platinum, as most of the options available are for women and unisex.

How Much is a 3 Carat Old European Cut Diamond Platinum?

Prices for a piece of 3 carat old european cut diamond platinum can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $425 and can go as high as $280,000, while this accessory, on average, fetches $12,500.

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.