3 Carat Platinum Diamond
20
to
577
7,366
1,244
2,272
924
916
642
289
132
57
25
15
3
3
2
8
145
4,837
3,929
194
384
881
691
190
351
200
106
143
168
3
565
452
134
123
99
6,035
2,893
57
8,971
14
8,070
2,562
1,810
474
1,020
8,587
1,473
1,876
667
705
5
1906
953
518
511
364
to
Sort By
3 Carat GIA Radiant Cut Diamond Engagement Platinum Ring
By Diamond Scene
Located in New York, NY
A beautiful radiant cut diamond set in a timeless custom made mounting.
3.18 carat center H VS1
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, White Diamond, Platinum
3 Carat GIA Certificate G Color Cushion Diamond Platinum Bespoke Engagement Ring
By Hasbani Diamonds
Located in London, GB
of 0.25 carat round brilliant cut. This is a stunning diamond engagement ring set in platinum with
Category
2010s British Modern Engagement Rings
Materials
Diamond, Platinum
3 Carat GIA Certificate E Color Cushion Diamond Platinum Bespoke Engagement Ring
By Hasbani Diamonds
Located in London, GB
A bespoke ring with one of the best colors and clarity center diamond, 3.00 carat cushion cut
Category
2010s British Modern Engagement Rings
Materials
Diamond, Platinum
3 Carat Diamond Engagement Ring
By Vivid Diamonds
Located in Miami, FL
diamond weighing 3.00 carats, G color, SI1 clarity, accented by two pear shaped diamonds weighing
Category
21st Century and Contemporary American Modern Engagement Rings
Materials
Diamond, Platinum
Vivid Diamonds 3 Carat Diamond Eternity Band
By Vivid Diamonds
Located in Miami, FL
weighing approximately 3 carats total, F color, VS clarity. Each diamond was carefully selected, perfectly
Category
21st Century and Contemporary American Modern Band Rings
Materials
Diamond, 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
Modern Platinum Band 3 Carat Natural Baguette & Round F VS Diamond Cocktail Ring
By Radiam Diamond Company
Located in Los Angeles, CA
Modern Platinum 3 Carat Natural Diamond Band.
Set in this piece are 17 Natural F-G color Baguette
Category
2010s American Modern Band Rings
Materials
Diamond, Platinum
Platinum Emerald Eternity Diamond Ring '3 3/4 Carat'
Located in San Francisco, CA
Gemstone Type: NATURAL DIAMOND
Side Gemstone Shape: EMERALD
Metal: Platinum
Setting Type: U Shape
Shank
Category
21st Century and Contemporary American Band Rings
Materials
Diamond, Platinum
Bespoke Halo Mount for 3-5 Carat Yellow White Diamond Oval Shape Platinum Ring
By Hasbani Diamonds
Located in London, GB
This Spectacular Bespoke mount is suitable for a 3 - 5 Carat center diamond with 0.93 Carat of
Category
2010s British Modern Engagement Rings
Materials
Blue Sapphire, Pink Sapphire, Tanzanite, Topaz, Tourmaline, Turquoise, S...
Platinum Oval Eternity Diamond Ring '3 Carat'
Located in San Francisco, CA
Type: NATURAL DIAMOND
Side Gemstone Shape: OVAL
Metal: Platinum
Setting Type: Share Prong
Shank Height
Category
21st Century and Contemporary American Band Rings
Materials
Diamond, Platinum
Platinum Briana Diamond Ring '1/3 Carat'
Located in San Francisco, CA
A delicate Shared prong diamonds wedding band for a sparkling look. Experience the difference
Category
21st Century and Contemporary American Band Rings
Materials
Diamond, Platinum
Platinum Martini 3 Prongs Natural Diamond Pendant '3/4 Carat'
Located in San Francisco, CA
This Classic Platinum Martini Style 3 Prongs Natural Diamond Pendant fetures an exceptional round
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, Platinum
3 Carat Sapphire Diamond Platinum Ring
Located in New York, NY
This fabulous platinum ring ring is centered with a lovely emerald cut sapphire that weighs 3.00ct
Category
20th Century Cluster Rings
Materials
Diamond, Sapphire, Platinum
6.03 Carat Diamond Cluster Platinum Flower Earrings
By Diamond Stars Jewelry, Inc.
Located in New York, NY
These are custom order and is available in 2-3 weeks from date ordered.
The earrings are Platinum
Category
21st Century and Contemporary American Contemporary Stud Earrings
Materials
Diamond, White Diamond, Platinum
3 Carat Round Brilliant Cut Diamond Platinum Ring
By Antinori Fine Jewels
Located in Rome, IT
carat Round Brilliant Cut Diamond, destined to symbolize everlasting love and commitment.
This elegant
Category
2010s Italian Contemporary Three-Stone Rings
Materials
Diamond, Platinum
Platinum Three Prongs Diamond Tennis Bracelet '3 Carat'
Located in San Francisco, CA
Diamond Carat Weight: 3
Metal: Platinum
Metal Weight: 18.88
Setting Type: Three Prong
Material: NATURAL
Category
21st Century and Contemporary American Tennis Bracelets
Materials
Diamond, Platinum
3 Carat Ruby and 1.2 Carat Diamond Platinum Ring
By EstatebyJR
Located in New York, NY
This stunning 3 carat Ruby and Diamond ring is a true statement piece that exudes elegance and
Category
21st Century and Contemporary Modern Cocktail Rings
Materials
Diamond, Ruby, Gold, 18k Gold, White Gold, Platinum
Blue Topaz 2.20 Carat Oval 0.20 Carat Round Diamond Platinum Halo Ring
By Hasbani Diamonds
Located in London, GB
cluster of 0.20 Carat white colour H and eye clean clarity SI natural diamonds. Each diamond on the halo
Category
2010s British Modern Engagement Rings
Materials
Blue Topaz, Topaz, White Diamond, Diamond, Platinum
Platinum Orchid Diamond Cluster Ring '3/4 Carat'
Located in San Francisco, CA
This sparkling band features round brilliant diamonds set in gleaming shared prongs. Experience the
Category
21st Century and Contemporary American Band Rings
Materials
Diamond, Platinum
Platinum Star Fashion Diamond Ring '2/3 Carat'
Located in San Francisco, CA
This stunning ring features round brilliant diamonds micro-prong-set in three-row. Experience the
Category
21st Century and Contemporary American Band Rings
Materials
Diamond, Platinum
Platinum Willow Fashion Diamond Ring '3/4 Carat'
Located in San Francisco, CA
Gemstone Type: NATURAL DIAMOND
Side Gemstone Shape: ROUND
Metal: Platinum
Metal Weight: 3.29
Setting Type
Category
21st Century and Contemporary American Band Rings
Materials
Diamond, Platinum
7.30 Carats Diamond Three Row Platinum Band Ring
By Diamond Stars Jewelry, Inc.
Located in New York, NY
Sparkling 3 Row Diamond Band
The ring is Platinum PLT 950
There are 7.30 Carats in Diamonds E/F VVS
Category
21st Century and Contemporary American Contemporary Band Rings
Materials
Diamond, White Diamond, Platinum
GIA Certified 3 Carat Round Cut Diamond Platinum Ring
By Antinori Fine Jewels
Located in Rome, IT
Embrace the unparalleled allure of this exquisite GIA certified 3 carat round cut diamond platinum
Category
2010s Unknown Contemporary Engagement Rings
Materials
Diamond, White Diamond, Platinum
Platinum Martini 3 Prongs Natural Diamond Pendant '1 Carat'
Located in San Francisco, CA
This Classic Platinum Martini Style 3 Prongs Natural Diamond Pendant fetures an exceptional round
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, Platinum
Platinum Martini 3 Prongs Natural Diamond Pendant '2 Carat'
Located in San Francisco, CA
This Classic Platinum Martini Style 3 Prongs Natural Diamond Pendant fetures an exceptional round
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, Platinum
GIA Certified 3 Carat Emerald Cut Diamond Platinum Ring
By Antinori Fine Jewels
Located in Rome, IT
VS2 Clarity Emerald cut diamond ring.
The ring consists of one emerald cut diamond weighing 3 carat
Category
2010s Italian Modern Engagement Rings
Materials
Emerald, White Diamond, Diamond, Platinum
Platinum Shiran Two Rows Diamond Ring '1/3 Carat'
Located in San Francisco, CA
This band features two rows of Micro- Prong-set round brilliant diamonds. Experience the difference
Category
21st Century and Contemporary American Band Rings
Materials
Diamond, Platinum
GIA Certified 3 Carat Old Mine Cushion Diamond Platinum Studs
By Antinori Fine Jewels
Located in Rome, IT
an exquisite pair of GIA certified 3 carat old mine cut cushion diamond platinum studs
full of
Category
2010s Italian Modern Clip-on Earrings
Materials
Diamond, White Diamond, Platinum
Flawless GIA Certified 3 Carat Asscher Cut Diamond Platinum Ring
By Antinori Fine Jewels
Located in Rome, IT
3 Carat Asscher cut Diamond shouldered by trapezoid diamonds on a platinum band.
Accompanied by Gia
Category
2010s Italian Modern Engagement Rings
Materials
Diamond, White Diamond, Platinum
9.70 Carat Kunzite Diamond 3-Stone Platinum Ring
Located in Beverly Hills, CA
A timeless classic 3-stone platinum ring featuring a fine bright pink kunzite. The kunzite weighs
Category
21st Century and Contemporary North American Fashion Rings
Materials
Diamond, Kunzite, Platinum
Platinum Martini 3 Prongs Natural Diamond Pendant '1/2 Carat'
Located in San Francisco, CA
This Classic Platinum Martini Style 3 Prongs Natural Diamond Pendant fetures an exceptional round
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, Platinum
1.21 Carat Emerald Diamond 3-Stone Platinum Ring
Located in Beverly Hills, CA
A fine and luscious emerald weighing 1.21 carats takes center stage of this 3-stone ring. It has a
Category
21st Century and Contemporary American Fashion Rings
Materials
Diamond, Emerald, Platinum
3 Carat Round Diamond Engagement Ring in Platinum
By Hannah Florman
Located in Boston, MA
Customizable diamond engagement ring, shown with a GIA certified 3 carat round briliant diamond
Category
21st Century and Contemporary American Contemporary Engagement Rings
Materials
Diamond, Platinum
1.00 Carat 3-Row Diamond Platinum Eternity Wedding Band Ring
Located in Stamford, CT
Diamond platinum eternity wedding band ring. 90 round brilliant cut pave set diamonds, on top
Category
Late 20th Century Band Rings
Materials
Diamond, Platinum
Platinum Gold Four Prongs Natural Diamond Pendant '3/4 Carat'
Located in San Francisco, CA
: WHITE
Center Gemstone Shape: ROUND
Center Diamond Carat Weight: 0.7
Metal: Platinum
Setting Type: 4
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, Platinum, Gold
Platinum Flush Prong Set Diamond Eternity Ring '2/3 Carat'
Located in San Francisco, CA
This sparkling flush prong set diamond ring features round diamonds in platinum eternity ring. This
Category
21st Century and Contemporary American Band Rings
Materials
Diamond, Platinum
Platinum Heather 2 Rows Interweave Diamond Ring '1/3 Carat'
Located in San Francisco, CA
Two petite bands of micro prong set diamonds to wrap interweave each other in this contemporary
Category
21st Century and Contemporary American Band Rings
Materials
Diamond, Platinum
Tiffany & Co. 3 Carat Round Brilliant Cut Diamond Platinum Ring
By Tiffany & Co.
Located in Rome, IT
Tiffany & Co. 3.08 ct Platinum Round Brilliant Cut Diamond Solitaire Engagement Ring.
The ring
Category
2010s American Modern Engagement Rings
Materials
Diamond, Platinum
Platinum 3 Stone, 1.63 Carat Ruby and .61 Carat Diamond Ring
By Cellini
Located in New York, NY
Classic 3 stone platinum ring. This ring centers a round brilliant diamond weighing 0.61 carats
Category
Vintage 1980s American Contemporary Bridal Rings
Materials
Diamond, Ruby, Platinum
Art Deco 3 Carat Sapphire and Diamond Platinum Filigree Ring
Located in Montgomery, AL
carats. The platinum setting features one diamond north and south of the center sapphire. These two
Category
Early 20th Century Art Deco Cocktail Rings
Materials
Blue Sapphire, Sapphire, White Diamond, Diamond, Platinum
GIA Certified 3 Carat Unheated Red Spinel Diamond Platinum Ring
By Antinori Fine Jewels
Located in Rome, IT
Behold the allure of an exceptional and one-of-a-kind natural spinel, graced with a captivating rich red hue that radiates with lively brilliance. This remarkable gem showcases an id...
Category
2010s Italian Modern Engagement Rings
Materials
Diamond, White Diamond, Spinel, Platinum
Filigree Deco Platinum 3 Carat Tw Diamond Pin GIA
Located in Big Bend, WI
Art Deco platinum diamond filigree pin brooch with just over 3 carats of diamonds. This is a large
Category
Vintage 1920s Art Deco Brooches
Materials
Diamond, Platinum
Platinum Martini 3 Prongs Natural Diamond Pendant '1 1/2 Carat'
Located in San Francisco, CA
This Classic Platinum Martini Style 3 Prongs Natural Diamond Pendant fetures an exceptional round
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, Platinum
Cable Diamond Wedding Band 18 Karat Yellow Gold and Platinum 1.31 Carat
By Harbor Diamonds
Located in New York, NY
carats.
Color G
Clarity SI
Size 5 3/4
Category
1990s American Contemporary Band Rings
Materials
Diamond, 18k Gold, Yellow Gold, Platinum
GIA Certified 2.05 Carat G I1/I2 Round Diamond Platinum Stud Earrings
By Diamond Stars Jewelry, Inc.
Located in New York, NY
Beautiful Studs
The studs are Platinum 950
1.01 Carats G I1
1.04 Carats G I2
Total 2.05 Carats
GIA
Category
21st Century and Contemporary American Contemporary Stud Earrings
Materials
Diamond, White Diamond, Platinum
10.44 Carat Rubellite Tourmaline Diamond Platinum 3-Stone Ring
Located in Beverly Hills, CA
10.44 Carat Rubellite Tourmaline Diamond Platinum 3-Stone Ring
A juicy and vibrant rubellite
Category
21st Century and Contemporary American Fashion Rings
Materials
Diamond, Rubelite, Tourmaline, Platinum
Platinum Shayna Petite Design Round Diamond Ring 'Center 1/3 Carat'
Located in San Francisco, CA
This petite handcrafted earthy, organically designed ring features a 1/3 carat center round cut
Category
21st Century and Contemporary American Band Rings
Materials
Diamond, Platinum
3 Carat Diamond and Sapphire Ribbon Platinum Brooch. Circa 1930
Located in Bay Harbor Islands, FL
total weight of 3 carats. Circa 1930's
Metal Type: Platinum (stamped and/or tested)
Metal Weight: 9.6
Category
Vintage 1930s Brooches
Materials
Diamond, Platinum
Platinum 3 row Diamond Eternity Band
Located in New York, NY
diamond band. It is stunning and a classic.
Platinum
Diamond: 3 ct twd (estimated)
Ring Size: 5.25
Total
Category
21st Century and Contemporary More Rings
Materials
Diamond, Platinum
Edwardian Platinum 1.00 Carat Sapphire and Diamond 3-Stone Ring
Located in Narberth, PA
piece is crafted in solid platinum and features a sapphire center with two sparkling diamonds resting on
Category
Vintage 1910s Unknown Edwardian Three-Stone Rings
Materials
Diamond, Blue Sapphire, Platinum
2.08 Carat Pink Sapphire Diamond 3-Stone Platinum Ring
Located in Beverly Hills, CA
complemented by 2 triangular-cut diamonds set on its sides weighing 0.63 carats. Hand-fabricated in platinum
Category
21st Century and Contemporary American Fashion Rings
Materials
Diamond, Pink Sapphire, Platinum
Platinum 3 Stone Emerald Cut 2.25 Carats Diamonds Ring
Located in Miami, FL
Offered here is an elegant three stones ring, handmade in noble 950 platinum.
Centered with a 1.01
Category
2010s North American Contemporary Engagement Rings
Materials
Diamond, Platinum
Exquisite 3 Carats Colombian Emerald and Diamond Platinum Necklace
Located in London, GB
offset by a delicate briolette diamond underneath, which is suspended from the pendant's platinum setting
Category
21st Century and Contemporary British Art Deco Pendant Necklaces
Materials
Diamond, Emerald, Platinum
GIA Certified 3 Carat Round Cut Diamond Platinum Ring
By Antinori Fine Jewels
Located in Rome, IT
diamond encrusted setting, this ring is a head turner!
Highlights:
- Large 3.05 carat center diamond
Category
2010s Italian Modern Engagement Rings
Materials
Diamond, White Diamond, 18k Gold, White Gold, Gold
Scarselli 3 carat VIVID Yellow Radiant Cut Diamond Platinum Engagement Ring
By SCARSELLI
Located in New York, NY
custom mounting and is mounted here with .73 carats of side diamonds including two Trapezoid shape white
Category
2010s American Contemporary Engagement Rings
Materials
White Diamond, Yellow Diamond, Diamond, 18k Gold, Platinum
Tiffany & Co. IDEAL CUT 3 Carat Round Brilliant Cut Diamond Platinum Ring
By Tiffany & Co.
Located in Rome, IT
Tiffany & Co. 3 Carat Round Brilliant Cut Diamond Platinum Ring
This Tiffany & Co. Diamond
Category
2010s American Modern Engagement Rings
Materials
Diamond, White Diamond, Platinum
Tacori Platinum 3 Carat Round Pear Shape Diamond Wedding Ring
By Tacori
Located in New York, NY
Tacori Platinum 3 Carat Round Pear Shape Diamond Wedding Ring
Luxurious in every way, this ring is
Category
2010s American Romantic Three-Stone Rings
Materials
Diamond, Platinum
2.19 Carat 3 Stone Diamond Engagement Ring Platinum in Stock
Located in Boca Raton, FL
Platinum 2.19ctw 3 Stone Diamond Engagement Ring
This platinum round brilliant diamond engagement
Category
21st Century and Contemporary American Engagement Rings
Materials
Diamond, Platinum
3 Carat Pear Cut Tapered Baguette Diamond Platinum 18k Gold Ring
By Antinori Fine Jewels
Located in Rome, IT
exquisite 3-carat pear cut emerald captures the essence of elegance and sophistication, radiating vibrant
Category
2010s Italian Modern Engagement Rings
Materials
Diamond, White Diamond, Emerald, 18k Gold, Yellow Gold, Platinum
Antique Art Deco 3 Carat Diamond and Platinum Drop Earrings
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive pair of Art Deco 3 carat diamond and platinum drop earrings; part
Category
20th Century Unknown Art Deco Drop Earrings
Materials
Diamond, Platinum
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3 Carat Platinum Diamond For Sale on 1stDibs
On 1stDibs, you can find the most appropriate 3 carat platinum diamond for your needs in our varied inventory. Every item for sale was constructed with extraordinary care, often using Platinum, Gold and 18k Gold. You can easily find a 14905 antique edition and 13409 modern creations to choose from as well. If you’re looking for a 3 carat platinum diamond from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 18th Century while another version may have been produced 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. There have been many well-made iterations of the classic 3 carat platinum diamond over the years, but those made by Tiffany & Co., LB Exclusive and Roman Malakov are often thought to be among the most beautiful. See these pages for a round cut iteration of this accessory, while there are also old european cut cut and emerald cut cut versions available here, too. Finding a 3 carat platinum diamond for sale for women should be easy, but there are 6413 pieces available to browse for unisex as well as men, too.
How Much is a 3 Carat Platinum Diamond?
The price for a 3 carat platinum diamond starts at $19 and tops out at $475,940,000 with these rings, on average, selling for $11,495.
Questions About 3 Carat Platinum Diamond
- What is a 3 carat diamond worth?1 Answer1stDibs ExpertSeptember 28, 2021A 3-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 3-carat diamond could cost you between $7,200 to $51,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 3-carat diamond jewelry today.
- How large is a 3-carat diamond?1 Answer1stDibs ExpertFebruary 27, 2024In terms of dimensions, how large a 3-carat diamond is varies. The shape of the diamond will determine its length and width. Weighing 600 milligrams, diamonds that are 3 carats are generally considered to be large stones. On 1stDibs, shop a large collection of diamond jewelry from some of the world's top dealers.
- 1stDibs ExpertFebruary 13, 2023Whether a 3-carat diamond is considered big is largely a matter of personal opinion. The average diamond is 1 to 2 carats in size. On 1stDibs, shop a selection of diamond jewelry.
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Hidden Halo Oval Diamond Engagement Ring
Oval Hidden Halo Engagement Ring
3 Stone Baguette Diamond Wedding Band
Diamond Solitaire Hidden Halo Ring
Hidden Halo Solitaire
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5 Karat Emerald Cut Aquamarine Ring
Igi Lab Diamond
Tapered Baguette Eternity
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Type 2a Golconda Diamond
Flush Set Diamond Eternity Band