Skip to main content

One Carat Platinum

39
to
733
8,688
2,107
5,719
5,236
2,519
2,104
1,964
1,104
759
702
497
474
276
262
245
230
211
185
172
165
113
50
16
14
12
11
6
4
3
3
3
2
2
2
1
1
1
1
1
1
1
395
343
157
155
145
Sort By
One Carat Platinum Diamond Wedding Band
Located in Sugar Land, TX
♥ Product Summary ♥ Main Stone: Diamond Approx. Diamond Carat Weight: 1.00cttw Diamond Color: H
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Platinum

One Vintage GIA 4.52 Carat Antique Cushion Cut Diamond Platinum Ring
Located in Beverly Hills, CA
One Vintage GIA 4.52 Carat Antique Cushion Cut Diamond Platinum Ring. Featuring one GIA cushion
Category

1990s Engagement Rings

Materials

Diamond, Platinum

Platinum Diamond One Carat Center Tennis Bracelet circa 1940s 3.40 Carat
Located in Wailea, HI
Platinum Diamond One Carat Center Tennis Bracelet Circa 1940's 3.40 Carats One Old European Cut
Category

Early 20th Century Tennis Bracelets

Materials

Diamond, Platinum

One Onyx Emerald Platinum RingOne Onyx Emerald Platinum Ring
Located in Beverly Hills, CA
One Onyx Emerald Platinum Ring. Featuring one triangular cut onyx weighing approximately 3.30 carat
Category

21st Century and Contemporary Engagement Rings

Materials

Emerald, Onyx, Platinum

One Carat "Bumps" Contemporary Eternity Band in Platinum with Eight Diamonds
By Eytan Brandes
Located in Sherman Oaks, CA
Eytan Brandes has been making this ring for a number of years, using gold or platinum. It's an
Category

2010s American Contemporary Band Rings

Materials

Diamond, White Diamond, Platinum

Scarselli One Carat Fancy Deep Pink Diamond in Platinum
By SCARSELLI
Located in New York, NY
From SCARSELLI this Natural Fancy Deep Pink Radiant diamond of 1.00 carat, mounted in an 18k yellow
Category

2010s American Contemporary Wedding Rings

Materials

Pink Diamond, 18k Gold, Platinum

"Ice Melt" One Piece Solid Agate and 3.00 Carats Diamond Platinum Ring
By Diamond Stars Jewelry, Inc.
Located in New York, NY
Platinum There are 3.00 Carats In Diamonds G/H SI/I The top of the ring measures 1.5" x 1.5" The ring is a
Category

21st Century and Contemporary American Contemporary Fashion Rings

Materials

Agate, Diamond, White Diamond, Platinum

One of a Kind 10.32 Carats Sapphire Three-Stone Platinum and Ceramic Ring
Located in London, GB
carats. Its vivid royal blue colour is enhanced by two smaller, trilliant cut sapphires on each side and
Category

2010s British Contemporary Cocktail Rings

Materials

Sapphire, Platinum

Platinum 12 Carat Diamond One Line Tennis Princess and Emerald Cut Bracelet
Located in New York, NY
This is a beautiful Platinum 12 Carat Diamond One Line Tennis Princess And Emerald Cut Bracelet
Category

20th Century American Modern Tennis Bracelets

Materials

Diamond, Platinum

18 Carat Gold with Platinum Mounts 3 Stones Diamond Ring One-Stone Swaped
Located in GB
Wimbledon - Furniture are delighted to offer for sale this lovely vintage 18ct gold with platinum
Category

20th Century English Modern Three-Stone Rings

Materials

Diamond, Gold, Platinum

Longines Diamond Vintage Ladies Wristwatch - Platinum 6.50ctw One Year Warranty
By Longines
Located in Greensboro, NC
Maker: Swiss Dial Color: Silver Metal Content: Platinum Stone Information Natural Diamonds Carat(s
Category

21st Century and Contemporary Wrist Watches

Materials

Diamond, Platinum

Berca One-of-a-kind 1.10 Carat White Diamond Onyx Platinum Panda Brooch
By Berca Atelier
Located in Valenza, IT
Extraordinary, unique yet timeless 1.10 Carat top quality white diamond natural onyx hand inlaid
Category

21st Century and Contemporary Italian Contemporary Brooches

Materials

White Diamond, Onyx, Platinum

Vintage Mid Century Platinum Old Mine Diamond One Carat Bow Brooch 1.3 Inch
Located in New York, NY
centerpiece of this brooch is a cluster of old mine diamonds, weighing one carat, renowned for their unique
Category

Vintage 1950s American Post-War Brooches

Materials

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

Vintage Mid Century Platinum Old Mine Diamond One Carat Bow Brooch 1.3 Inch
Vintage Mid Century Platinum Old Mine Diamond One Carat Bow Brooch 1.3 Inch
Free Shipping
H 1.3 in W 0.75 in Dm 0.75 in L 1.3 in
1.41 Carat Diamond and Platinum Stud Earrings
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive pair of vintage and contemporary 1.41 carat diamond and platinum
Category

Vintage 1970s Contemporary Stud Earrings

Materials

Diamond, Platinum

1.41 Carat Diamond and Platinum Stud Earrings
1.41 Carat Diamond and Platinum Stud Earrings
Free Shipping
H 1 in W 1 in D 1 in Dm 1 in L 1 in
Antique 0.35 Carat Platinum Diamond Ring
Located in Montgomery, AL
setting features a center diamond measuring approximately 0.35 carats ( greater than one third of one
Category

Early 20th Century Art Deco Fashion Rings

Materials

Diamond, Platinum

1.50 Carat Sapphire Diamond Platinum Ring
Located in Beverly Hills, CA
One 1.50 Carat Sapphire Diamond Platinum Ring. Featuring one oval mixed cut sapphire of 1.50 carats
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

Sophia D, 22.99 Carat Platinum Diamond Necklace
By Sophia D
Located in New York, NY
One of a kind platinum 22.99 carats all diamond necklace.
Category

2010s American Link Necklaces

Materials

Diamond, Platinum

0.89 Carat Sapphire Diamond Platinum Ring
Located in Beverly Hills, CA
One 0.89 Carat Sapphire Diamond Platinum Ring. Featuring one oval mixed cut sapphire of 0.89 carat
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

Certified Natural 2.00 Carat Emerald Platinum Ring
Located in Miami, FL
: Platinum. 2.00 carat emerald. 100% natural earth mined emerald. Gorgeous intense green emerald. One of
Category

21st Century and Contemporary European Contemporary Engagement Rings

Materials

Emerald, Platinum

5.35 Carat Diamond and Platinum Earrings
Located in Jesmond, Newcastle Upon Tyne
A stunning pair of vintage 1990s 5.35 carat diamond, platinum and 18k yellow gold drop earrings
Category

1990s Unknown Drop Earrings

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

5.35 Carat Diamond and Platinum Earrings
5.35 Carat Diamond and Platinum Earrings
Free Shipping
W 0.39 in L 1.38 in
2.55 Carat Total Weight Diamond Platinum Earrings
Located in Beverly Hills, CA
One Pair of 2.55 Carat Total Weight Diamond Platinum Earrings. Featuring 62 round brilliant cut
Category

21st Century and Contemporary Drop Earrings

Materials

Diamond, White Diamond, Platinum

Vintage 13.50 Carat Ceylon Sapphire and 3.27 Carat Diamond Platinum Necklace
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive vintage 13.50 carat Ceylon blue sapphire and 3.27 carat diamond
Category

Vintage 1950s Pendant Necklaces

Materials

Diamond, Sapphire, Platinum

5.80 Carat Tanzanite 1 Carat Diamond Embellished Platinum Fashion Ring
By Erin Mac Jewelry
Located in Menlo Park, CA
This sublime tanzanite, 5.80ct , is set over a fine pave white diamond embellished platinum fashion
Category

2010s Modern Engagement Rings

Materials

Tanzanite, Diamond, Platinum

Vintage 1.54 Carat Ruby Diamond Platinum Ring
Located in Beverly Hills, CA
One Vintage 1.54 Carat Ruby Diamond Platinum Ring. Featuring one oval cut ruby of 1.54 carats
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Diamond, Ruby, Platinum

1.10 Carat Diamond and Platinum Trilogy Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning 1.10 carat diamond and platinum three stone dress ring; part of our diverse antique
Category

Late 20th Century British Three-Stone Rings

Materials

Diamond, Platinum

2.34 Carat Emerald Diamond Platinum Ring
Located in New York, NY
. Diamond and Natural Columbian Emerald Emerald- 2.34 Carat Diamonds- 0.34 Platinum 18.45 Grams
Category

Antique Early 1900s Gothic Revival Cocktail Rings

Materials

Diamond, Emerald, White Diamond, Platinum, Yellow Gold, Gold

1.16 Carat Sapphire Platinum Three Stone Ring
Located in Beverly Hills, CA
One 1.16 Carat Sapphire Platinum Three Stone Ring. Featuring one octagonal step cut sapphire of
Category

Vintage 1920s Three-Stone Rings

Materials

Sapphire, Blue Sapphire, Platinum

Platinum Floating Diamond Ring '1/5 Carat'
Located in San Francisco, CA
One row of round brilliant diamonds floats between two gleaming metal bands. (1/5 total carat
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Platinum

0.53 Carat Ruby Diamond Platinum Cluster Ring
Located in Beverly Hills, CA
One 0.53 Carat Ruby Diamond Platinum Cluster Ring. Featuring one oval mixed cut ruby of 0.53 carat
Category

21st Century and Contemporary Cluster Rings

Materials

Diamond, White Diamond, Ruby, Platinum

0.44 Carat Ruby Diamond Platinum Cluster Ring
Located in Beverly Hills, CA
One 0.44 Carat Ruby Diamond Platinum Cluster Ring. Featuring one oval mixed cut ruby of 0.44 carat
Category

21st Century and Contemporary Cluster Rings

Materials

Diamond, White Diamond, Ruby, Platinum

Art Deco Inspired 1.60 Carats Platinum Ring
Located in Beverly Hills, CA
One Art Deco Inspired 1.60 Carats Platinum Ring. Featuring one old European diamond of 1.60 carats
Category

21st Century and Contemporary Art Deco Engagement Rings

Materials

Diamond, Platinum

1950s Vintage 6.85 Carat Diamond and Platinum Bracelet
Located in Jesmond, Newcastle Upon Tyne
A stunning vintage 1950's 6.85 carat diamond and platinum bracelet; part of our diverse antique
Category

Vintage 1950s Unknown Link Bracelets

Materials

Diamond, Platinum

1950s Vintage 6.85 Carat Diamond and Platinum Bracelet
1950s Vintage 6.85 Carat Diamond and Platinum Bracelet
Free Shipping
H 0.31 in W 1.34 in L 6.5 in
Vintage 1.33 Carat Sapphire Diamond Platinum Ring
Located in Beverly Hills, CA
One Vintage 1.33 Carat Sapphire Diamond Platinum Ring. Featuring one oval sapphire of 1.33 carats
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

Platinum Klarna Diamond Ring '1/10 Carat'
Located in San Francisco, CA
on one shank, contrast a single prong set diamond on a bare shank. Product details: Center
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Platinum

Antique 2.05 Carat Emerald and 1.99 Carat Diamond Platinum Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive antique 2.05 carat emerald and 1.99 carat diamond, platinum dress
Category

Vintage 1930s Unknown Cocktail Rings

Materials

Diamond, Emerald, Platinum

1940s 3.93 Carat Diamond and Platinum Spray Brooch
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive vintage 1940s 3.93 carat diamond and platinum spray brooch; part of
Category

Vintage 1940s Unknown Brooches

Materials

Diamond, Platinum

1940s 3.93 Carat Diamond and Platinum Spray Brooch
1940s 3.93 Carat Diamond and Platinum Spray Brooch
Free Shipping
H 0.23 in W 1.22 in L 2.17 in
Vintage 2.25 Carat Sapphire Diamond Platinum Ring
Located in Beverly Hills, CA
One Vintage 2.25 Carat Sapphire Diamond Platinum Ring. Featuring one oval mixed cut sapphire
Category

Vintage 1980s Engagement Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

One Edwardian Sapphire Diamond 18k Yellow Gold Platinum Cluster Ring
Located in Beverly Hills, CA
One Edwardian Sapphire Diamond 18k Yellow Gold Platinum Cluster Ring. Featuring one oval mixed cut
Category

Vintage 1910s Edwardian Cluster Rings

Materials

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

Cardow .84 Carat Diamond Platinum Wedding Band Ring
By Cardow
Located in Stamford, CT
+/- one size Platinum Stamped: PT900 Hallmark: Cardow 4.3 grams Width at top: 4.8mm Height at top: 3.1mm
Category

21st Century and Contemporary Wedding Rings

Materials

Diamond, Platinum

1.59 Carat Sapphire and Diamond Platinum Ring
Located in Beverly Hills, CA
One 1.59 Carat Sapphire and Diamond Platinum Ring. Featuring one oval mixed cut sapphire of 1.59
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

1.17 Carat Sapphire and Diamond Platinum Ring
Located in Beverly Hills, CA
One 1.17 Carat Sapphire and Diamond Platinum Ring. Featuring one octagonal step cut sapphire of
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

3 Carats Diamonds Platinum Ring
Located in PARIS, FR
Ring trilogy in platinum 950 thousandths. set with 3 diamonds. of which a brilliant of
Category

20th Century French Engagement Rings

Materials

Diamond, Platinum

1.47 Carat Diamond Platinum Three-Stone Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive antique 1.47 carat diamond (total) and contemporary platinum ring; part of
Category

Vintage 1910s English Contemporary Three-Stone Rings

Materials

Diamond, Platinum

1900s Antique 1.84 Carat Diamond and Platinum Brooch
Located in Jesmond, Newcastle Upon Tyne
A stunning antique 1900s 1.84 carat diamond and platinum brooch; part of our diverse antique
Category

Antique Early 1900s Unknown Brooches

Materials

Diamond, Platinum

1900s Antique 1.84 Carat Diamond and Platinum Brooch
1900s Antique 1.84 Carat Diamond and Platinum Brooch
Free Shipping
H 0.13 in W 0.94 in L 1.82 in
Vintage 0.66 Carat Ruby Diamond Platinum Ring
Located in Beverly Hills, CA
One Vintage 0.66 Carat Ruby Diamond Platinum Ring. Featuring one oval mixed cut ruby weighing 0.66
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Diamond, Ruby, Sapphire, Blue Sapphire, Platinum

GIA 3.54 Carat Oval Cut Diamond Platinum Ring
Located in Beverly Hills, CA
One GIA 3.54 Carat Oval Cut Diamond Platinum Ring. Featuring one GIA oval cut diamond of 3.54
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Diamond, Platinum

GIA 3.82 Carat Pear Cut Diamond Platinum Ring
Located in Beverly Hills, CA
One GIA 3.82 Carat Pear Cut Diamond Platinum Ring. Featuring one GIA pear cut diamond of 3.82
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Diamond, Platinum

1.01 Carat Aquamarine and Diamond Platinum Cluster Ring
Located in Beverly Hills, CA
One 1.01 Carat Aquamarine and Diamond Platinum Cluster Ring. Featuring one pear cut aquamarine of
Category

21st Century and Contemporary Cluster Rings

Materials

Aquamarine, Diamond, White Diamond, Platinum

1.45 Carat Diamond and Platinum Trilogy Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
Diamond One Color I Clarity VS1 Cut Old European round Content 0.60 carat Dimensions 5.26mm x 5.22mm x
Category

Antique Early 1900s British Three-Stone Rings

Materials

Diamond, Platinum

GIA 2.30 Carat Colombian Emerald Diamond Platinum Ring
Located in Beverly Hills, CA
One GIA 2.30 Carat Colombian Emerald Diamond Platinum Ring. Featuring one GIA octagonal step cut
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Diamond, Emerald, Platinum

Mid-Century 2.51 Carat Spinel Diamond Platinum Ring
Located in Beverly Hills, CA
One Mid-Century 2.51 Carat Spinel Diamond Platinum Ring. Featuring one cushion cut spinel of 2.51
Category

Vintage 1920s Engagement Rings

Materials

Diamond, White Diamond, Spinel, Platinum

.90 Carat Transitional Cut Diamond Platinum Engagement Ring
Located in Stamford, CT
Vintage 1940 handmade Platinum diamond engagement ring. One center diamond with 6 side diamonds. 1
Category

Vintage 1940s Engagement Rings

Materials

Diamond, Platinum

GIA 5.06 Carat Moval Cut Diamond Platinum Ring
Located in Beverly Hills, CA
One GIA 5.06 Carat Moval Cut Diamond Platinum Ring. Featuring one GIA moval cut diamond of 5.06
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Diamond, Platinum

Vintage 7.23 Carat Radiant Cut Diamond Platinum Ring
Located in Beverly Hills, CA
One Vintage 7.23 Carat Radiant Cut Diamond Platinum Ring. Featuring one GIA radiant cut diamond of
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Diamond, Platinum

6.5 Carat Emerald Cut Colombian Emerald and 2.4 Carat Diamond Ring Platinum
Located in New York, NY
6.5 Carat Emerald Cut Colombian Emerald & 2.4 Carat Diamond Ring Platinum Size 5 Colombian
Category

2010s Cocktail Rings

Materials

Diamond, Emerald, Platinum

16.31 Carat Goethite Quartz Amethyst Diamond Platinum Pendant
Located in Stamford, CT
inclusions in the quartz. It is mounted in a simple platinum frame and accented with 8 round cut diamonds
Category

21st Century and Contemporary Necklace Enhancers

Materials

Amethyst, Diamond, Quartz, Platinum

3.87 Carat Emerald and Diamond Ring in Platinum
By MOGULDIAM INC
Located in New York, NY
One of a kind emerald and diamond ring is handcrafted in platinum. Emerald weight : 3.87 carat
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Emerald, Platinum

Vintage 3.80 Carat Diamond and Platinum Twist Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning vintage 3.80 carat diamond and platinum twist style engagement ring; part of our diverse
Category

1990s Unknown Modern Cocktail Rings

Materials

Diamond, Platinum

Art Deco 4.39 Carat Diamond and Platinum Earrings
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive pair of vintage 4.39 carat diamond and platinum drop earrings in
Category

Vintage 1940s Unknown Art Deco Clip-on Earrings

Materials

Diamond, Platinum

Platinum 1.12 Carat Emerald Sculpture Ring
By Thomas Kurilla Jewelry
Located in New York, NY
Platinum 7 mm Emerlad Sculpture Ring , Tiffanydesigner, Thomas Kurilla is going back to the vault
Category

2010s Contemporary Fashion Rings

Materials

Emerald, Platinum

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

One Carat Platinum For Sale on 1stDibs

On 1stDibs, you can find the most appropriate piece of one carat platinum for your needs in our varied inventory. Frequently made of platinum, gold and 18k gold, this item was constructed with great care. You can easily find a 9407 antique edition and 4833 modern creations to choose from as well. Finding the perfect item from our selection of one carat 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. A choice in our collection of one carat platinum from Tiffany & Co., Vivid Diamonds and Diana M. Jewels — each of whom created a beautiful version of this treasured accessory — is worth considering. A round cut version of this piece has appeal, but there are also old european cut and emerald cut versions for sale. There aren’t many items for men if you’re seeking an object in our assortment of one carat platinum, as most of the options available are for women and unisex.

How Much is a One Carat Platinum?

On average, a piece of one carat platinum at 1stDibs sells for $11,995, while they’re typically $10 on the low end and $6,500,000 for the highest priced versions of this item.