Skip to main content

Half Carat Platinum Diamond Ring

to
193
1,542
377
1,525
592
510
189
168
96
65
64
48
35
32
27
26
24
18
16
15
14
12
6
4
3
1
1
1
1
1
1
1
269
115
33
30
27
Sort By
0.80 Carat Diamond Platinum Seven-Stone Half Band Ring
0.80 Carat Diamond Platinum Seven-Stone Half Band Ring

0.80 Carat Diamond Platinum Seven-Stone Half Band Ring

By Diamond Stars Jewelry, Inc.

Located in New York, NY

Very Beautiful Half Diamond Band Ring The ring is Platinum There are 7 Round Cut Diamonds prong set There are 0.80 Carats In Diamonds F/G SI The ring is a size 8, sizable.

Category

21st Century and Contemporary American Contemporary Band Rings

Materials

Diamond, White Diamond, Platinum

1.38 Carat Diamond Five-Stone Platinum Half Band Ring
1.38 Carat Diamond Five-Stone Platinum Half Band Ring

1.38 Carat Diamond Five-Stone Platinum Half Band Ring

By Diamond Stars Jewelry, Inc.

Located in New York, NY

Very Beautiful Half Diamond Band Ring The ring is Platinum There are 5 Round Cut Diamonds prong set There are 1.38 Carats In Diamonds F VS The ring is a size 6, sizable.

Category

21st Century and Contemporary American Contemporary Band Rings

Materials

Diamond, White Diamond, Platinum

1.00 Carat Diamond Platinum Five Stone Half Band Ring
1.00 Carat Diamond Platinum Five Stone Half Band Ring

1.00 Carat Diamond Platinum Five Stone Half Band Ring

By Diamond Stars Jewelry, Inc.

Located in New York, NY

Very Beautiful Half Diamond Band Ring. The ring is Platinum 950.

Category

21st Century and Contemporary American Contemporary Band Rings

Materials

Diamond, White Diamond, Platinum

1.00 Carat Diamond Platinum Five Stone Half Band Ring
1.00 Carat Diamond Platinum Five Stone Half Band Ring

1.00 Carat Diamond Platinum Five Stone Half Band Ring

By Diamond Stars Jewelry, Inc.

Located in New York, NY

Very Beautiful Half Diamond Band Ring. The ring is Platinum 950.

Category

21st Century and Contemporary American Contemporary Band Rings

Materials

Diamond, White Diamond, Platinum

0.80 Carat Diamond Platinum Five Stone Half Band Ring
0.80 Carat Diamond Platinum Five Stone Half Band Ring

0.80 Carat Diamond Platinum Five Stone Half Band Ring

By Diamond Stars Jewelry, Inc.

Located in New York, NY

Very Beautiful Half Diamond Band Ring. The ring is Platinum 950.

Category

21st Century and Contemporary American Contemporary Band Rings

Materials

Diamond, White Diamond, Platinum

2.15 Carats Radiant Cut Diamond Platinum Half Band Ring
2.15 Carats Radiant Cut Diamond Platinum Half Band Ring

2.15 Carats Radiant Cut Diamond Platinum Half Band Ring

By Diamond Stars Jewelry, Inc.

Located in New York, NY

Very Classic Wedding Band The 7 Stone Band is Platinum There are 2.15 Carats In Diamonds E/F VS The ring is a size 5, sizable. The ring weighs 8.3 grams

Category

21st Century and Contemporary American Contemporary Band Rings

Materials

Diamond, White Diamond, Platinum

1.25 Carat Round And Baguette Diamond Half Band Platinum Ring
1.25 Carat Round And Baguette Diamond Half Band Platinum Ring

1.25 Carat Round And Baguette Diamond Half Band Platinum Ring

By Diamond Stars Jewelry, Inc.

Located in New York, NY

The ring is Platinum There are 1.25 Carats In Diamonds F/G VS The ring weighs 8.5 grams The ring is a size 5.50, sizable.

Category

21st Century and Contemporary American Contemporary Band Rings

Materials

Diamond, White Diamond, Platinum

1.70 Carats Diamond Radiant Fancy Yellow 5-Stone Gold Platinum Half Band Ring
1.70 Carats Diamond Radiant Fancy Yellow 5-Stone Gold Platinum Half Band Ring

1.70 Carats Diamond Radiant Fancy Yellow 5-Stone Gold Platinum Half Band Ring

By Diamond Stars Jewelry, Inc.

Located in New York, NY

Very Beautiful Diamond 5 Stone Half Band Ring The ring is 18K Yellow Gold & PLT 950 There are 5 Radiant Cut Fancy Yellow Diamonds Prong Set. There are 1.70 Carats In Diamonds VS The ...

Category

21st Century and Contemporary American Contemporary Band Rings

Materials

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

1.66 Carats Diamond Radiant Fancy Yellow 5-Stone Gold Platinum Half Band Ring
1.66 Carats Diamond Radiant Fancy Yellow 5-Stone Gold Platinum Half Band Ring

1.66 Carats Diamond Radiant Fancy Yellow 5-Stone Gold Platinum Half Band Ring

By Diamond Stars Jewelry, Inc.

Located in New York, NY

Very Beautiful Diamond 5 Stone Half Band Ring The ring is 14K Yellow Gold & PLT 950 There are 5 Radiant Cut Fancy Yellow Diamonds Bezel Set. There are 1.66 Carats In Diamonds VS The ...

Category

21st Century and Contemporary American Contemporary Band Rings

Materials

Diamond, Yellow Diamond, Yellow Gold, Platinum, Gold, 14k Gold

2.12 Carats Diamond Cushion Fancy Yellow 5-Stone Gold Platinum Half Band Ring
2.12 Carats Diamond Cushion Fancy Yellow 5-Stone Gold Platinum Half Band Ring

2.12 Carats Diamond Cushion Fancy Yellow 5-Stone Gold Platinum Half Band Ring

By Diamond Stars Jewelry, Inc.

Located in New York, NY

Very Beautiful Diamond 5 Stone Half Band Ring The ring is 18K Yellow Gold & PLT 950 There are 5 Cushion Cut Fancy Yellow Diamonds Prong Set. There are 2.12 Carats In Diamonds VS The ...

Category

21st Century and Contemporary American Contemporary Band Rings

Materials

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

Art Deco Half Carat Diamond Platinum Engagement Ring
Art Deco Half Carat Diamond Platinum Engagement Ring

Art Deco Half Carat Diamond Platinum Engagement Ring

Located in South Pasadena, CA

Scroll down for specifications. The platinum mounting centers upon a circular-cut diamond weighing over half a carat.

Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Diamond Platinum Half Eternity Ring
Diamond Platinum Half Eternity Ring

Diamond Platinum Half Eternity Ring

Located in South Pasadena, CA

Diamond and platinum half eternity ring size 5, circa 1990.

Category

1990s Contemporary Wedding Rings

Materials

Diamond, Platinum

Platinum Half Eternity Diamond Ring
Platinum Half Eternity Diamond Ring

Platinum Half Eternity Diamond Ring

Located in רמת גן, IL

Product Details: Metal: Platinum Main Stone: 15 pcs Diamond Main Stone Shape: Round Colour: G Clarity: VS Main stone carat weight: 0.14 carat Size: 7.5 (can be resized up to 3 s...

Category

2010s Singaporean Dome Rings

Materials

Diamond, Platinum

1.66 carat Diamond and Platinum Half Eternity Engagement Ring
1.66 carat Diamond and Platinum Half Eternity Engagement Ring

1.66 carat Diamond and Platinum Half Eternity Engagement Ring

Located in Jesmond, Newcastle Upon Tyne

A stunning, fine and impressive contemporary 1.66 carat diamond and platinum half eternity ring; part of our diverse diamond jewelry and estate jewelry collections.

Category

Early 2000s Unknown Engagement Rings

Materials

Diamond, Platinum

3.02 Carat Radiant Cut Diamond Platinum Ring with Half-Moon Side Diamonds
3.02 Carat Radiant Cut Diamond Platinum Ring with Half-Moon Side Diamonds

3.02 Carat Radiant Cut Diamond Platinum Ring with Half-Moon Side Diamonds

Located in Palm Beach, FL

3.02 Carat Radiant Cut Diamond Platinum Ring with 0.46 Carat (total weight) Half-Moon side Diamonds.

Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

Vintage Platinum Diamond Half Band Ring
Vintage Platinum Diamond Half Band Ring

Vintage Platinum Diamond Half Band Ring

Located in New York, NY

This vintage half band ring is a refined and highly wearable classic, set with 0.15 carats total weight of diamonds in a timeless platinum mounting.

Category

20th Century Band Rings

Materials

Diamond, Platinum

GIA 1.70ct Pear Solitaire with Half Eternity  Diamond Ring
GIA 1.70ct Pear Solitaire with Half Eternity  Diamond Ring

GIA 1.70ct Pear Solitaire with Half Eternity Diamond Ring

By EMD Diamonds

Located in New York, NY

Diamond Details: Certificate: GIA (Gemological Institute of America) Shape: Pear Carat: 1.71 Color: h Clarity: SI2 Cut/Pol/Sym: -/EX/ex Ring Details: Metal: Platinum DID: 5621-18

Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum

GIA 1.01ct Pear Solitaire with Half Eternity  Diamond Ring
GIA 1.01ct Pear Solitaire with Half Eternity  Diamond Ring

GIA 1.01ct Pear Solitaire with Half Eternity Diamond Ring

By EMD Diamonds

Located in New York, NY

Diamond Details: Certificate: GIA (Gemological Institute of America) Shape: Pear Carat: 1.01 Color: H Clarity: SI1 Cut/Pol/Sym: -/VG/VG Ring Details: Metal: Platinum DID: 7150-01

Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum

Tiffany & Co. Diamond Platinum Forever Half Diamond Ring
Tiffany & Co. Diamond Platinum Forever Half Diamond Ring

Tiffany & Co. Diamond Platinum Forever Half Diamond Ring

By Tiffany & Co.

Located in Bishop's Stortford, Hertfordshire

Tiffany & Co. Diamond Platinum Forever Half Diamond Ring Product Details Xupes Ref: J1585 Brand: Tiffany & Co. Model: Forever Half Diamond Ring Type: Ring RRP: £9,850 Materi...

Category

2010s American Engagement Rings

Materials

Diamond, Platinum

GIA Certified 2.20 Carat Blue Sapphire Half Moon Diamond Platinum Ring
GIA Certified 2.20 Carat Blue Sapphire Half Moon Diamond Platinum Ring

GIA Certified 2.20 Carat Blue Sapphire Half Moon Diamond Platinum Ring

By Antinori Fine Jewels

Located in Chicago, IL

This elegant platinum ring showcases a mesmerizing 2.20 carat cushion-cut blue sapphire, certified by GIA as natural corundum, transparent, and heated only to enhance its vivid color.

Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

1.40 Carat Ruby and 0.55 Carat Diamond, Platinum Half Eternity Engagement Ring
1.40 Carat Ruby and 0.55 Carat Diamond, Platinum Half Eternity Engagement Ring

1.40 Carat Ruby and 0.55 Carat Diamond, Platinum Half Eternity Engagement Ring

Located in Jesmond, Newcastle Upon Tyne

A stunning, fine and impressive vintage 1.40 carat ruby, 0.55 carat diamond and platinum half eternity engagement ring; part of our diverse collection of vintage ruby eternity rings.

Category

1990s Unknown Band Rings

Materials

Diamond, Ruby, Platinum

Natural Diamond Ring Round Half Moon Engagement Wedding Platinum Band 1.68 TDW
Natural Diamond Ring Round Half Moon Engagement Wedding Platinum Band 1.68 TDW

Natural Diamond Ring Round Half Moon Engagement Wedding Platinum Band 1.68 TDW

By Estate Jewelry

Located in East Brunswick, NJ

Natural Diamond Ring Round Half Moon Engagement Wedding Platinum Band 1.68 TDW This beautiful estate ring is finely crafted in solid luxurious Platinum and set with amazing natural ...

Category

Late 20th Century Engagement Rings

Materials

Diamond, Platinum

Tiffany & Co. Diamond Platinum Forever Half Diamond Ring
Tiffany & Co. Diamond Platinum Forever Half Diamond Ring

Tiffany & Co. Diamond Platinum Forever Half Diamond Ring

By Tiffany & Co.

Located in Bishop's Stortford, Hertfordshire

Tiffany & Co. Diamond Platinum Forever Half Diamond Ring Product Details Xupes Ref: J1705 Brand: Tiffany & Co.

Category

21st Century and Contemporary Band Rings

Materials

Diamond, Platinum

Tiffany & Co. Diamond Platinum Forever Half Diamond Ring
Tiffany & Co. Diamond Platinum Forever Half Diamond Ring

Tiffany & Co. Diamond Platinum Forever Half Diamond Ring

By Tiffany & Co.

Located in Bishop's Stortford, Hertfordshire

Tiffany & Co. Diamond Platinum Forever Half Diamond Ring Product Details Xupes Ref: J1704 Brand: Tiffany & Co.

Category

21st Century and Contemporary Band Rings

Materials

Diamond, Platinum

1.20 Carat Diamond Rubover Set Platinum Half Eternity Band Ring
1.20 Carat Diamond Rubover Set Platinum Half Eternity Band Ring

1.20 Carat Diamond Rubover Set Platinum Half Eternity Band Ring

By Tobi Gem Setting

Located in London, GB

This gorgeous half eternity wedding band is the perfect accompaniment to any engagement ring or certainly significant enough to be worn alone with impact. The ring is fitted with fiv...

Category

2010s British Modern Band Rings

Materials

Diamond, Platinum

GIA 1.01ct Emerald Solitaire with Half Eternity  Diamond Ring
GIA 1.01ct Emerald Solitaire with Half Eternity  Diamond Ring

GIA 1.01ct Emerald Solitaire with Half Eternity Diamond Ring

By EMD Diamonds

Located in New York, NY

Diamond Details: Certificate: GIA (Gemological Institute of America) Shape: Emerald Carat: 1.01 Color: H Clarity: VS1 Cut/Pol/Sym: -/EX/VG Ring Details: Metal: Platinum DID: 7091-03

Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum

Platinum Half-Way Band Ring with Seven Oval Diamonds, 3.40 Carats
Platinum Half-Way Band Ring with Seven Oval Diamonds, 3.40 Carats

Platinum Half-Way Band Ring with Seven Oval Diamonds, 3.40 Carats

Located in New York, NY

A half-way diamond band set with seven oval diamonds totaling 3.40 carats set in platinum is a stunning choice for a luxurious and elegant piece of jewelry.

Category

21st Century and Contemporary Wedding Rings

Materials

Diamond, Platinum

Cartier Diamond Platinum 1895 Half Eternity Band Ring
Cartier Diamond Platinum 1895 Half Eternity Band Ring

Cartier Diamond Platinum 1895 Half Eternity Band Ring

By Cartier

Located in Bishop's Stortford, Hertfordshire

Cartier Diamond Platinum 1895 Half Eternity Band Ring Product Details Xupes Ref: J1576 Brand: Cartier Model: 1895 Half Eternity Ring Type: Ring Serial Number: H***** Age: 2015 RRP:...

Category

2010s French Band Rings

Materials

Diamond, Platinum

Half Carat Princess Cut Diamond Solitaire Ring Twisted Shank Design Platinum
Half Carat Princess Cut Diamond Solitaire Ring Twisted Shank Design Platinum

Half Carat Princess Cut Diamond Solitaire Ring Twisted Shank Design Platinum

Located in beverly hills, CA

Elegant and modern, this .50 carat princess cut solitaire ring features a striking design where the platinum shank appears to twist and wrap around the center diamond, creating a scu...

Category

21st Century and Contemporary Modern Solitaire Rings

Materials

Diamond, Platinum

GIA Certified 5.03 Carat Cushion Cut Diamond Platinum Ring with Half Moon Diamon
GIA Certified 5.03 Carat Cushion Cut Diamond Platinum Ring with Half Moon Diamon

GIA Certified 5.03 Carat Cushion Cut Diamond Platinum Ring with Half Moon Diamon

By Antinori Fine Jewels

Located in Chicago, IL

This magnificent GIA Certified ring showcases a 5.03 carat cushion cut diamond, radiating elegance and sophistication.

Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, White Diamond, Platinum

1.82 Carat Sapphire and Diamond Half-Eternity Ring Made in Platinum
1.82 Carat Sapphire and Diamond Half-Eternity Ring Made in Platinum

1.82 Carat Sapphire and Diamond Half-Eternity Ring Made in Platinum

Located in Tokyo, JP

A beautiful ring featuring 1.82 Carats of Natural Sapphires and 0.996 Carats Diamond Accents set in Platinum. Sapphires have extraordinary durability - they excel in hardness as well...

Category

21st Century and Contemporary Japanese Modern Band Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Contemporary Platinum Half Eternity Diamond Wedding Band Ring
Contemporary Platinum Half Eternity Diamond Wedding Band Ring

Contemporary Platinum Half Eternity Diamond Wedding Band Ring

Located in Boston, MA

A contemporary half eternity diamond band ring crafted in platinum.

Category

21st Century and Contemporary Contemporary Wedding Rings

Materials

Diamond, Platinum

Tiffany & Co Half Circle Round Diamond 0.33 Carat Wedding Band Ring Platinum
Tiffany & Co Half Circle Round Diamond 0.33 Carat Wedding Band Ring Platinum

Tiffany & Co Half Circle Round Diamond 0.33 Carat Wedding Band Ring Platinum

By Tiffany & Co.

Located in San Diego, CA

Tiffany & Co. Half-Circle Channel-Set Diamond Band Style: Channel-Set Width: 3 MM Metal: Platinum PT950 Size: 5.75 sizable TCW: 0.33 tcw Main Diamond: 11 Round Brilliant Diamon...

Category

2010s Band Rings

Materials

Diamond, Platinum

0.34 Carat Diamond Half-Eternity Band Ring
0.34 Carat Diamond Half-Eternity Band Ring

0.34 Carat Diamond Half-Eternity Band Ring

Located in London, GB

Here we have a classically styled half-eternity band ring. Crafted from platinum, this piece showcases an alternating sequence of bright white straight baguette and round brilliant c...

Category

21st Century and Contemporary Wedding Rings

Materials

Diamond, Platinum

Vintage 1990s Platinum, Emerald Cut Diamond Half Eternity Ring
Vintage 1990s Platinum, Emerald Cut Diamond Half Eternity Ring

Vintage 1990s Platinum, Emerald Cut Diamond Half Eternity Ring

Located in Brighton, GB

Vintage Diamond Ring Platinum Circa 1990s Introducing our exquisite Vintage 1990s Platinum Half Hoop Diamond Ring, a stunning piece that beautifully captures the elegance of its ...

Category

Late 20th Century European Band Rings

Materials

Diamond, Platinum

Timeless 0.58ct Diamonds Half Eternity Ring in Platinum
Timeless 0.58ct Diamonds Half Eternity Ring in Platinum

Timeless 0.58ct Diamonds Half Eternity Ring in Platinum

Located in רמת גן, IL

This sophisticated ring, crafted in platinum, is adorned with a collection of 11 main stones, all round brilliant diamonds, collectively weighing 0.58 carats. These diamonds range in...

Category

2010s Singaporean Engagement Rings

Materials

Diamond, Platinum

14.25 Carat Zambian Emerald & Half Moon Diamond Platinum and 18K
14.25 Carat Zambian Emerald & Half Moon Diamond Platinum and 18K

14.25 Carat Zambian Emerald & Half Moon Diamond Platinum and 18K

Located in Chicago, IL

14.25 Carat Zambian Emerald & Half Moon Diamond Platinum and 18K Yellow Gold Ring An exceptional statement ring featuring a Natural Zambian Emerald weighing 14.25 carats, certified ...

Category

2010s American Contemporary Solitaire Rings

Materials

Diamond, White Diamond, Emerald, Yellow Gold, Platinum

Platinum Engagement 0.68 Carat Round Diamond Bespoke Twisted Love 4 Prong Ring
Platinum Engagement 0.68 Carat Round Diamond Bespoke Twisted Love 4 Prong Ring

Platinum Engagement 0.68 Carat Round Diamond Bespoke Twisted Love 4 Prong Ring

By Hasbani Diamonds

Located in London, GB

For a beautifully entwined journey together, this gleaming twisted vine modern classic engagement ring. Handmade in high grade Platinum 950 to British Standard, with a total of 0.68 ...

Category

2010s British Modern Engagement Rings

Materials

Amethyst, Aquamarine, Citrine, Diamond, White Diamond, Blue Diamond, Yel...

0.73 Carat Natural Emerald and Diamond Half Eternity Ring Made in Platinum
0.73 Carat Natural Emerald and Diamond Half Eternity Ring Made in Platinum

0.73 Carat Natural Emerald and Diamond Half Eternity Ring Made in Platinum

Located in Tokyo, JP

A stunning ring featuring 0.73 Carats Natural Emeralds and 0.61 Carats of Diamond Accents set in Platinum. People have admired emerald’s green for thousands of years. Emeralds have a...

Category

21st Century and Contemporary Japanese Modern Band Rings

Materials

Diamond, Emerald, Platinum

0.91 Carat Natural Emerald and Diamond Half Eternity Ring Made in Platinum
0.91 Carat Natural Emerald and Diamond Half Eternity Ring Made in Platinum

0.91 Carat Natural Emerald and Diamond Half Eternity Ring Made in Platinum

Located in Tokyo, JP

A stunning ring featuring 0.91 Carats Natural Emeralds and 0.54 Carats of Diamond Accents set in Platinum. People have admired emerald’s green for thousands of years. Emeralds have a...

Category

21st Century and Contemporary Japanese Modern Band Rings

Materials

Diamond, Emerald, Platinum

1.80 Carat Natural Ruby and Diamond Half-Eternity Ring Made in Platinum
1.80 Carat Natural Ruby and Diamond Half-Eternity Ring Made in Platinum

1.80 Carat Natural Ruby and Diamond Half-Eternity Ring Made in Platinum

Located in Tokyo, JP

A beautiful Ring made in Platinum featuring 1.80 Carats of Natural Rubies and 0.996 Carats Diamonds. Rubies are referred to as "Ratnaraj" in Sanskrit meaning the King of Gems. Early ...

Category

21st Century and Contemporary Japanese Modern Band Rings

Materials

Diamond, Ruby, Platinum

1.97 Carat Natural Ruby and Diamond Half-Eternity Ring Made in Platinum
1.97 Carat Natural Ruby and Diamond Half-Eternity Ring Made in Platinum

1.97 Carat Natural Ruby and Diamond Half-Eternity Ring Made in Platinum

Located in Tokyo, JP

A beautiful Ring made in Platinum featuring 1.97 Carats of Natural Rubies and 0.992 Carats Diamonds. Rubies are referred to as "Ratnaraj" in Sanskrit meaning the King of Gems. Early ...

Category

21st Century and Contemporary Japanese Modern Band Rings

Materials

Diamond, Ruby, Platinum

Double Platinum Diamond Half-Eternity Band
Double Platinum Diamond Half-Eternity Band

Double Platinum Diamond Half-Eternity Band

By Antinori Fine Jewels

Located in Chicago, IL

Featuring 14 beautifully well-matched diamonds totaling 4.40 carats, this elegant half-eternity band is expertly crafted in platinum.

Category

2010s American Band Rings

Materials

Diamond, Emerald, Platinum

Tiffany & Co. Brilliant Cut Diamond Platinum 3mm Half Eternity Ring
Tiffany & Co. Brilliant Cut Diamond Platinum 3mm Half Eternity Ring

Tiffany & Co. Brilliant Cut Diamond Platinum 3mm Half Eternity Ring

By Tiffany & Co.

Located in Bishop's Stortford, Hertfordshire

Tiffany & Co. Brilliant Cut Diamond Platinum 3mm Half Eternity Ring Product Details Xupes Ref: J1588 Brand: Tiffany & Co. Model: Half Eternity Ring Type: Ring RRP: £4,100 A...

Category

2010s Wedding Rings

Materials

Diamond, Platinum

1.03 Carat Round-Cut Diamond in Platinum 900 Channel Setting Half-Eternity Ring
1.03 Carat Round-Cut Diamond in Platinum 900 Channel Setting Half-Eternity Ring

1.03 Carat Round-Cut Diamond in Platinum 900 Channel Setting Half-Eternity Ring

By Gad & Co.

Located in Miami, FL

1.03 Carat Round-Cut Natural Diamond in Platinum 900 Channel Set Band Ring. Details: Item Type: Women's Ring Metal: Platinum 900 Size: 7.25 Weight: 5.52 Grams Width: 5.2 MM   Ston...

Category

21st Century and Contemporary Modern Wedding Rings

Materials

Diamond, Platinum

Cartier 1 Carat Round Engagement Ring. GIA Diamond Half Eternity Platinum F VS1
Cartier 1 Carat Round Engagement Ring. GIA Diamond Half Eternity Platinum F VS1

Cartier 1 Carat Round Engagement Ring. GIA Diamond Half Eternity Platinum F VS1

By Cartier

Located in New York, NY

Manufacturer: Cartier Certification: GIA Certificate Primary Stone: Diamond Primary Stone Carat: Approx. 1.10-Carats Primary Stone Cut: Round Brilliant Cut Primary Stone Color: F Col...

Category

21st Century and Contemporary Art Deco Engagement Rings

Materials

Diamond, Platinum

1.03 Carat Round-Cut Diamond in Platinum 900 Channel Setting Half-Eternity Ring
1.03 Carat Round-Cut Diamond in Platinum 900 Channel Setting Half-Eternity Ring

1.03 Carat Round-Cut Diamond in Platinum 900 Channel Setting Half-Eternity Ring

Located in Miami, FL

1.03 Carat Round-Cut Natural Diamond in Platinum 900 Channel Set Band Ring. Details: Item Type: Women's Ring Metal: Platinum 900 Size: 7.25 Weight: 5.52 Grams Width: 5.2 MM   Ston...

Category

21st Century and Contemporary Modern Wedding Rings

Materials

Diamond, Platinum

Cartier 1 Carat Round Engagement Ring. GIA Diamond Half Eternity Platinum G VVS1
Cartier 1 Carat Round Engagement Ring. GIA Diamond Half Eternity Platinum G VVS1

Cartier 1 Carat Round Engagement Ring. GIA Diamond Half Eternity Platinum G VVS1

By Cartier

Located in New York, NY

Manufacturer: Cartier Certification: GIA Certificate Country of Origin: France Primary Stone: Diamond Primary Stone Carat: Approx. 1-Carat Primary Stone Cut: Round Brilliant Cut Prim...

Category

21st Century and Contemporary French Art Deco Engagement Rings

Materials

Diamond, Platinum

1 Carat Round Brilliant Cut Diamond Half Circle Platinum Wedding Band
1 Carat Round Brilliant Cut Diamond Half Circle Platinum Wedding Band

1 Carat Round Brilliant Cut Diamond Half Circle Platinum Wedding Band

Located in Chicago, IL

A timeless symbol of love and elegance, this refined wedding or anniversary band is crafted in solid platinum and set with five natural round brilliant cut diamonds totaling approxim...

Category

2010s American Wedding Rings

Materials

Diamond, Platinum

Platinum Natural 3.12 Carat Radiant Cut Diamond 6 Stone Half-Way Ring In Stock
Platinum Natural 3.12 Carat Radiant Cut Diamond 6 Stone Half-Way Ring In Stock

Platinum Natural 3.12 Carat Radiant Cut Diamond 6 Stone Half-Way Ring In Stock

Located in Boca Raton, FL

Platinum Natural Radiant Cut Diamond 6 Stone Half-Way Band Product: Natural diamond 6 stone half- way band Material: Platinum Diamond Details: There are approximately 3.12 carats of...

Category

21st Century and Contemporary Modern Band Rings

Materials

Diamond, Platinum

Vintage Tiffany & Co. Etoile Platinum Diamond Half-Bezel Engagement Ring - .61ct
Vintage Tiffany & Co. Etoile Platinum Diamond Half-Bezel Engagement Ring - .61ct

Vintage Tiffany & Co. Etoile Platinum Diamond Half-Bezel Engagement Ring - .61ct

By Tiffany & Co.

Located in Boston, MA

Vintage Tiffany & Co. Etoile Platinum Diamond Half-Bezel Engagement Ring - 0.61ct Item #: 21785687 Metal: PT950 Platinum Diamond Weight: 0.61 carats Ring Size: 5¼ (resizable) Total ...

Category

Early 2000s Engagement Rings

Materials

Diamond, Platinum

Tiffany & Co. Brilliant cut Diamond Platinum Half Eternity Ring
Tiffany & Co. Brilliant cut Diamond Platinum Half Eternity Ring

Tiffany & Co. Brilliant cut Diamond Platinum Half Eternity Ring

By Tiffany & Co.

Located in Bishop's Stortford, Hertfordshire

Tiffany & Co. Brilliant cut Diamond Platinum Half Eternity Ring Product Details Xupes Ref: COMJ869 Brand: Tiffany & Co.

Category

21st Century and Contemporary Wedding Rings

Materials

Diamond, Platinum

Tiffany & Co. Brilliant cut Diamond Platinum Half Eternity Ring
Tiffany & Co. Brilliant cut Diamond Platinum Half Eternity Ring

Tiffany & Co. Brilliant cut Diamond Platinum Half Eternity Ring

By Tiffany & Co.

Located in Bishop's Stortford, Hertfordshire

Tiffany & Co. Brilliant cut Diamond Platinum Half Eternity Ring Product Details Xupes Ref: COMJ868 Brand: Tiffany & Co.

Category

21st Century and Contemporary Wedding Rings

Materials

Diamond, Platinum

Very Rare 0.18 Carat Natural Hauyne & Diamond Half Eternity Ring Set in Platinum
Very Rare 0.18 Carat Natural Hauyne & Diamond Half Eternity Ring Set in Platinum

Very Rare 0.18 Carat Natural Hauyne & Diamond Half Eternity Ring Set in Platinum

Located in Tokyo, JP

A stunning eternity Ring featuring a 0.18 Carat Hauynite/Hauyne and 0.24 Carats of Diamond Accents set in Platinum. Hauynite is an extremely rare mineral and even rarer gemstone. Its...

Category

21st Century and Contemporary Japanese Modern Band Rings

Materials

Diamond, Other, Platinum

Vintage diamond platinum half eternity band
Vintage diamond platinum half eternity band

Vintage diamond platinum half eternity band

Located in Beverly Hills, CA

This elegant vintage diamond half eternity band is a classic 1990’s design, crafted in platinum and set with 46 baguette and round cut diamonds weighing 0.61 carat in total.

Category

1990s Contemporary Wedding Rings

Materials

Diamond, Platinum

TIFFANY & Co. Platinum Half Circle Diamond Novo Band Ring 6.5
TIFFANY & Co. Platinum Half Circle Diamond Novo Band Ring 6.5

TIFFANY & Co. Platinum Half Circle Diamond Novo Band Ring 6.5

By Tiffany & Co.

Located in Los Angeles, CA

TIFFANY & Co. Platinum Half Circle Diamond Novo Band Ring 6.5 Metal: Platinum Size: 6.5 Band Width: 2mm Diamond: round brilliant diamonds, carat total weight .24 Hallmark: ©TIFFANY...

Category

2010s American Wedding Rings

Materials

Diamond, Platinum

Tiffany & Co. Brilliant Cut Diamond Platinum Half Eternity Ring
Tiffany & Co. Brilliant Cut Diamond Platinum Half Eternity Ring

Tiffany & Co. Brilliant Cut Diamond Platinum Half Eternity Ring

By Tiffany & Co.

Located in Bishop's Stortford, Hertfordshire

Tiffany & Co. 0.85ct Brilliant Cut Diamond Platinum Forever Full Eternity Ring Product Details Xupes Ref: J1459 Brand: Tiffany & Co. Model: Full Eternity Ring Type: Ring RRP: £7,625...

Category

21st Century and Contemporary Wedding Rings

Materials

Diamond, Platinum

  • 1
  • ...
Get Updated with New Arrivals
Save "Half Carat Platinum Diamond Ring", and we’ll notify you when there are new listings in this category.

Half Carat Platinum Diamond Ring For Sale on 1stDibs

Find the exact half carat platinum diamond ring you’re shopping for in the variety available on 1stDibs. Frequently made of platinum, gold and 18k gold, this item was constructed with great care. Our collection of these items for sale includes 611 vintage editions and 929 modern creations to choose from as well. You’re likely to find the perfect half carat platinum diamond ring among the distinctive items we have available, which includes versions made as long ago as the 18th Century as well as those produced as recently as the 21st Century. A half carat platinum diamond ring from Tiffany & Co., Shreve, Crump & Low and Roman Malakov — each of whom created a beautiful version of this treasured accessory — is worth considering. See these pages for a round cut iteration of this accessory, while there are also cushion cut cut and oval cut cut versions available here, too. Finding a half carat platinum diamond ring for sale for women should be easy, but there are 398 pieces available to browse for unisex as well as men, too.

How Much is a Half Carat Platinum Diamond Ring?

The price for a half carat platinum diamond ring starts at $136 and tops out at $6,500,000 with these rings, on average, selling for $12,748.

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.  

Finding the Right Rings for You

Antique and vintage rings have long held a special place in the hearts of fine jewelry lovers all over the world.

No matter their origin or specific characteristics, rings are timeless, versatile accessories. They’ve carried deep meaning since at least the Middle Ages, when diamond rings symbolized strength and other kinds of rings were worn to signify romantic feelings or to denote an affiliation with a religious order. Rings have also forever been emblematic of eternity.

Over time, rings have frequently taken the form of serpents, which have long been associated with eternal life, health and renewal. Italian luxury jewelry house Bulgari has become famous for its widely loved Serpenti motif, for example, and its Serpenti ring, like the other accessories in the collection, began as an homage to jewelry of the Roman and Hellenistic eras. The serpent is now a popular motif in fine jewelry. Jewelry devotees have long pined for rings adorned with reptiles, thanks to antique Victorian rings — well, specifically, Queen Victoria’s illustrious engagement ring, which took the form of a gold snake set with rubies, diamonds and an emerald (her birthstone). Designs for Victorian-era engagement rings often featured repoussé work and chasing, in which patterns are hammered into the metal.

Engagement rings, which are reliably intimidating to shop for, are still widely recognized as symbols of love and commitment. 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

The most collectible antique engagement rings and vintage engagement rings are those from the Victorian, Edwardian and Art Deco eras. Named for the monarchies of the four King Georges, who in succession ruled England starting in 1714 (plus King William’s reign), antique Georgian rings, be they engagement rings or otherwise, are also coveted by collectors. Pearls, along with colored gemstones like garnets, rubies and sapphires, were widely used in Georgian jewelry. The late-1700s paste jewelry was a predecessor to what we now call fashion or costume jewelry

The Art Nouveau movement (1880–1910) brought with it rings inspired by the natural world. Antique Art Nouveau rings might feature depictions of winged insects and fauna as well as women, who were simultaneously eroticized and romanticized, frequently with long flowing hair. Art Deco jewelry, on the other hand, which originated during the 1920s and ’30s, is by and large “white jewelry.” White metals, primarily platinum, were favored over yellow gold in the design of antique Art Deco rings and other accessories as well as geometric motifs, with women drawn to the era’s dazzling cocktail rings in particular.

Whether you’re hunting down a chunky classic for a Prohibition-themed cocktail party or seeking a clean contemporary design to complement your casual ensemble, find an exquisite collection of antique, new and vintage rings on 1stDibs.