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3 Carat Blue Diamond

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3.00 Carat White and Blue Diamond 14 Karat White Gold "X" Knot Station Bracelet
Located in Sherman Oaks, CA
, each station alternates color Total Diamond Weight = Approximately 3 Carats Blue diamonds are color
Category

2010s Tennis Bracelets

Materials

Diamond, 14k Gold, White Gold

Aquamarine 8.50 Carat Bespoke 18 Karat White Gold 3 Carat Diamond Halo Ring
By Hasbani Diamonds
Located in London, GB
A bespoke magnificent 8.50 Carat Fancy Oval Cut Blue Aquamarine Dress / Engagement Ring surrounded
Category

2010s British Modern Engagement Rings

Materials

Aquamarine, Diamond, White Diamond, Gold, 18k Gold, White Gold

Blue Topaz 2.20 Carat Oval 0.20 Carat Round Diamond White Gold Halo Ring
By Hasbani Diamonds
Located in London, GB
Vintage classic design 18 Karat white gold ring with 2.20 Carat blue topaz centrepiece and a
Category

2010s British Modern Engagement Rings

Materials

White Diamond, Topaz, Diamond, Blue Topaz, 18k Gold, White Gold

Blue Topaz 2.20 Carat Oval 0.20 Carat Round Diamond Platinum Halo Ring
By Hasbani Diamonds
Located in London, GB
Vintage classic design 18 Karat white gold ring with 2.20 Carat blue topaz centrepiece and a
Category

2010s British Modern Engagement Rings

Materials

Diamond, White Diamond, Topaz, Blue Topaz, Platinum

Bespoke 3 Carat Round Diamond 18 Kt White Gold Cluster Daisy Pendant Necklace
By Hasbani Diamonds
Located in London, GB
This Beautiful 3.00 Carat Flower design Cluster Diamond pendant features 7 beutiful round brilliant
Category

2010s British Modern Pendant Necklaces

Materials

Blue Sapphire, Diamond, White Diamond, Emerald, Ruby, Gold, 18k Gold, Wh...

3 Carat GIA Certificate G Color Cushion Diamond Platinum Bespoke Engagement Ring
By Hasbani Diamonds
Located in London, GB
A bespoke 3.00 carat cushion cut diamond engagement ring with the perfect combination of elegance
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

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

Amethyst, Aquamarine, Citrine, Diamond, White Diamond, Pink Diamond, Eme...

3 Carat Natural Royal Blue Sapphire Diamond Ring
Located in London, GB
of Sapphire : 3 carats Conflict free diamonds. Metal: 18K Yellow & White Gold Certificate: World
Category

2010s English Contemporary Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, 18k Gold

4.37 Carat Blue Sapphire Diamond Rose Cut 18 KT Yellow Gold Artisan Ring
By Hasbani Diamonds
Located in London, GB
This Gorgeous bespoke 4.25 Carat Blue Sapphire ring from the Artisan Collection features 0.12 Carat
Category

2010s Unknown Contemporary Three-Stone Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Gold, 18k Gold, Rose Go...

3 Carat Round Diamond 18 Karat Gold Four Claw Riviera Line Tennis Bracelet
By Hasbani Diamonds
Located in London, GB
gorgeous diamond tennis bracelet, featuring 3.00 Carat of dazzling White Color G Clarity SI1 Round
Category

2010s British Modern Tennis Bracelets

Materials

Diamond, White Diamond, Gold, 18k Gold, Rose Gold, White Gold, Yellow Gold

.925 Sterling Silver 3/4 Carat Treated Blue Diamond Station Necklace
Located in New York, NY
setting. The treated blue diamonds add a bit of uniqueness and color to any outfit. The total diamond
Category

21st Century and Contemporary Indian Pendant Necklaces

Materials

Diamond, Blue Diamond, Sterling Silver

GIA Certifed 3 Carat Royal Blue Sapphire Diamond Three Stone Ring
By Antinori Fine Jewels
Located in Rome, IT
a richly saturated and perfectly even blue hue. The play of light in this sizeable 3 ct sapphire
Category

2010s Italian Modern Solitaire Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

.3 Carat Diamond Blue Enamel Yellow Gold Turtle Brooch
Located in Stamford, CT
Blue enamel Turtle brooch in 18k yellow gold with a bright full cut Diamond eye. 1 round full cut
Category

Mid-20th Century Brooches

Materials

Diamond, Enamel, Gold, 18k Gold, Yellow Gold

.925 Sterling Silver 3/4 Carat Treated Blue Diamond Milgrain Pendant Necklace
Located in New York, NY
set in a .925 Sterling Silver setting. This round brilliant cut, natural diamond weighs 3/4 Carat
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Blue Diamond, Diamond, Sterling Silver

.925 Sterling Silver 3/4 Carat Color-Treated Blue Diamond Dangle Earrings
Located in New York, NY
design of treated blue diamonds surrounded by a halo of white diamonds. The total diamond weight is .75
Category

21st Century and Contemporary Indian Contemporary Dangle Earrings

Materials

Diamond, White Diamond, Blue Diamond, Sterling Silver

Certified 3 Carat Cornflower Blue Sapphire Diamond Ring 'Natural & Untreated'
Located in London, GB
Gemstone: natural untreated, Ceylon Blue Sapphire Colour: Cornflower blue Weight of Sapphire : 3
Category

2010s Unknown Art Nouveau Engagement Rings

Materials

Blue Sapphire, Sapphire, Diamond, Platinum

Blue Sapphire Ring Two Side Diamonds 3 Carats 18K Gold
Located in Laguna Niguel, CA
= 2.59 Carats Diamonds = 0.41 Carats Metal: 18K White Gold Ring Size: 7* US *It can be resized
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

Blue Sapphire, Sapphire, White Diamond, Diamond, White Gold, 18k Gold, Gold

Vintage 3 Carat Blue Sapphires & Diamonds Band Ring 14k Gold
Located in Miami, FL
Vintage 3 Carat Blue Sapphire & Diamonds Band Ring 14k Gold. The ring features a natural
Category

Vintage 1970s Band Rings

Materials

Diamond, Blue Sapphire, 14k Gold, Yellow Gold

Blue Sapphire Ring Two Side Diamonds 3 Carats 18K Gold
Located in Laguna Niguel, CA
= 2.59 Carats Diamonds = 0.41 Carats Metal: 18K White Gold Ring Size: 7* US *It can be resized
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

White Diamond, Blue Sapphire, Sapphire, Diamond, White Gold, 18k Gold, Gold

Sapphire Diamond Earring Charms 14 Karat Gold 3/4 Carat Blue Sapphire & Diamond
By Five Star Jewelry
Located in Austin, TX
: Dark Blue Total Carat Weight: .76 Carats Garnet and Diamonds Hoop earrings not included
Category

21st Century and Contemporary American Modern Dangle Earrings

Materials

Blue Sapphire, Diamond, 14k Gold, White Gold

Blue Sapphire Ring With Diamonds 3 Carats 18K White Gold
Located in Laguna Niguel, CA
= 2.05 Carats Diamonds = 0.95 Carats Metal: 18K White Gold Ring Size: 6.25* US *It can be resized
Category

21st Century and Contemporary Contemporary Band Rings

Materials

Blue Sapphire, Sapphire, White Diamond, Diamond, White Gold, 18k Gold, Gold

Blue Sapphire Ring With Diamonds 3 Carats 18K White Gold
Located in Laguna Niguel, CA
= 2.05 Carats Diamonds = 0.95 Carats Metal: 18K White Gold Ring Size: 6.25* US *It can be resized
Category

21st Century and Contemporary Contemporary Band Rings

Materials

Blue Sapphire, Sapphire, White Diamond, Diamond, White Gold, 18k Gold, Gold

18K Gold 3/8 Carat Diamond & Blue Topaz & Sapphire Gemstone Pendant Necklace
Located in New York, NY
12mm pear-cut heat-treated sky blue topaz in a 3-prong setting haloed by round white diamonds in prong
Category

21st Century and Contemporary Thai Contemporary Pendant Necklaces

Materials

Sapphire, Blue Sapphire, Diamond, White Diamond, Topaz, Blue Topaz, 18k ...

Blue Sapphire Ring With Diamonds 3 Carats 18K White Gold
Located in Laguna Niguel, CA
= 2.05 Carats Diamonds = 0.95 Carats Metal: 18K White Gold Ring Size: 6.25* US *It can be resized
Category

21st Century and Contemporary Contemporary Band Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Gold, 18k Gold, White Gold

18 Karat White Gold Blue Sapphire and Diamonds Pendant '3/4 Carat'
Located in San Francisco, CA
This heavenly 18k white gold Halo designed pendant features a 0.56 carat round blue Sapphire
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Blue Sapphire, White Gold

Certified 7.48 Carat No Heat Greenish Blue Step Cut Sapphire Diamond Gold Ring
By Diamond Stars Jewelry, Inc.
Located in New York, NY
Beautiful 3 Stone Sapphire Ring. The ring is 18K White Gold. There are 1.22 Carats in Diamonds G SI
Category

21st Century and Contemporary American Modern Three-Stone Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Green Sapphire, White G...

14K White Gold 1 1/3 Carat Treated Blue Diamond Trio Stud Earrings
Located in New York, NY
is crafted in 14 karat white gold, they have a total diamond weight of 1 1/3 carats. 'Video
Category

21st Century and Contemporary Indian Contemporary Stud Earrings

Materials

Blue Diamond, Diamond, 14k Gold, White Gold

14 Karat White Gold Blue Sapphire and Diamonds Halo Pendant '3/4 Carat'
Located in San Francisco, CA
This 18k White gold pendant features a preminum quality 0.54 carat Round Shape Blue Sapphire
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Blue Sapphire, White Gold

18K White Gold 3/8 Carat Diamond and Blue Sapphire Fashion Band Ring
Located in New York, NY
reflects the light. The diamonds total 3/8 cttw with an approximate F-G Color and VS1-VS2 Clarity. Product
Category

21st Century and Contemporary American Contemporary Fashion Rings

Materials

Diamond, White Diamond, Blue Sapphire, White Gold, 18k Gold

14K White Gold 1 1/3 Carat White & Blue Diamond Halo Cocktail Statement Ring
Located in New York, NY
Elegant and timeless, this gorgeous 14K white gold blue and white diamond cocktail ring features
Category

21st Century and Contemporary Indian Contemporary Bridal Rings

Materials

Diamond, White Diamond, Blue Diamond, 14k Gold, White Gold

3-carat Oval Blue Sapphire and Diamonds Ring in 18k Solid Gold
Located in New Delhi, DL
This 3 carats Oval Blue Sapphire and Diamonds Ring in 18k Solid Gold is a beautiful and elegant
Category

21st Century and Contemporary Indian Art Deco Cocktail Rings

Materials

Diamond, Blue Sapphire, 18k Gold, Rose Gold, White Gold, Yellow Gold, Go...

14k White Gold 1 1/3 Carat Treated Blue Diamond Engagement Ring
Located in New York, NY
design. It has a total diamond weight of 1 1/3 carats. Product features: Diamond Type: Natural Color
Category

21st Century and Contemporary Indian Contemporary Bridal Rings

Materials

Blue Diamond, White Gold

14K White Gold 1 1/3 Carat White and Treated Blue Diamond Pendant Necklace
Located in New York, NY
ornamentation with white and treated blue round cut diamonds that makes this pendant a precious jewel. This
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Blue Diamond, White Gold, 14k Gold

Vivid Diamonds AGL Certified 21.19 Carat Ceylon Sapphire & Diamond Ring
By Vivid Diamonds
Located in Miami, FL
21.19 carat oval blue sapphire, with a heated Ceylon provenance, accented by two GIA certified trillion
Category

21st Century and Contemporary American Modern Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

18K White Gold Blue Sapphire 2 3/4 Carat Diamond Halo Drop Dangle Earring
Located in New York, NY
blue sapphires accented with 2 3/4 carats of radiant diamonds. The highlight of each earring is the
Category

21st Century and Contemporary American Modern Dangle Earrings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

18K Yellow Gold 1 2/3 Carat Diamond and Blue Sapphire Gemstone Dangle Earrings
Located in New York, NY
Colorful blue sapphires with brown and white diamonds combine to create a striking motif in these
Category

21st Century and Contemporary Thai Contemporary Dangle Earrings

Materials

Blue Sapphire, Brown Diamond, Diamond, White Diamond, Yellow Gold, 18k Gold

18K White Gold 1 3/4 Carat Diamond & Blue Sapphire Gemstone Floral Link Bracelet
Located in New York, NY
sparkling round diamonds nestled within prong settings totaling 1 3/4 cttw with an approximate G-H Color and
Category

21st Century and Contemporary Thai Contemporary Link Bracelets

Materials

Diamond, White Diamond, Blue Sapphire, 18k Gold, White Gold

3 Carat Cushion Cut Blue Sapphire Ring Certified
Located in New York, NY
Center Blue Sapphire: Carat Weight: 2.27 Carats Color: Blue Sapphire - Diffused J’adore Sapphire
Category

2010s American Cocktail Rings

Materials

Blue Sapphire, Diamond, White Gold, 14k Gold

Classy 18K White Gold 3 Carat Blue Kyanite 0.06 Carat White Diamonds Earrings
By Rossella Ugolini
Located in Rome, IT
: Rossella Ugolini "Deco" Collection 18 Karat White Gold 3 Carat Blue Kyanite 0.06 Carat Diamonds Hoops
Category

2010s Italian Art Deco Hoop Earrings

Materials

White Diamond, Diamond, Kyanite, Rock Crystal, 18k Gold, White Gold

18K White Gold 3/8 Carat Diamond and Blue Topaz Gemstone Halo Stud Earrings
Located in New York, NY
, prong-set diamonds adds to this rich sparkle with a total 3/8 cttw and an approximate G-H Color and SI1
Category

21st Century and Contemporary Thai Contemporary Stud Earrings

Materials

Diamond, White Diamond, Topaz, Blue Topaz, 18k Gold, White Gold

3 Carat Elongated Cushion Blue Sapphire Ring Certified
Located in New York, NY
Center Blue Sapphire: Carat Weight: 2.55 Carats Color: Blue Sapphire - Diffused J’adore Sapphire
Category

2010s American Cocktail Rings

Materials

Blue Sapphire, Diamond, White Gold, 14k Gold

Certified 3.54 Carat Cushion Cut Blue Sapphire Diamond 3-Stone Ring in Platinum
Located in NEW YORK, NY
Showcasing Certified Cushion cut, Vibrant color Blue Sapphire weighing 3.54 carats, flanked by two
Category

21st Century and Contemporary Modern Three-Stone Rings

Materials

Diamond, Blue Sapphire, Platinum

Multi-Gem 3 Carat Baguette Cut Cluster Ruby, Blue Sapphire & Diamond Ring
By Charles Krypell
Located in Miami, FL
Vintage multi-gem ring, crafted in 18k yellow gold weighing 12.97 grams. Totaling carat weight is
Category

Late 20th Century North American Art Nouveau Cocktail Rings

Materials

Diamond, Ruby, Blue Sapphire, 18k Gold, Yellow Gold

14K White Gold 1 3/8 Carat Baguette and Round-Cut Treated Blue Diamond Earrings
Located in New York, NY
give a dynamic look. These diamonds are color rated as Blue Color, and clarity graded as SI1-SI2
Category

21st Century and Contemporary Indian Contemporary Hoop Earrings

Materials

Diamond, Blue Diamond, 14k Gold, White Gold

3-1/4 Carat 18K Gold over Silver Swiss Blue Topaz and Diamond Pendant Necklace
By Affinity Designs LLC
Located in New York, NY
Indulge in the elegance of our Oval Swiss Blue Topaz and White Diamond Accent Pendant Necklace in
Category

2010s Asian Contemporary Pendant Necklaces

Materials

Diamond, Blue Topaz, Sterling Silver, Gold Plate

5.87 Carat Blue Sapphire Diamond 18k Yellow Gold 3-Stone Ring, GIA Certified
Located in Beverly Hills, CA
A rich and elegant blue sapphire weighing 5.87 carats takes center stage. The oval-shaped gem has a
Category

21st Century and Contemporary American Three-Stone Rings

Materials

Diamond, Blue Sapphire, Yellow Gold

1pc Dazzling 3 Carat Asscher Cut Natural Diamond
Located in רמת גן, IL
This sparkling asscher cut diamond is a truly remarkable gem. With a carat weight of 3 carats, it
Category

2010s Israeli Loose Gemstones

Materials

Diamond

18K White Gold Oval Cut Blue Sapphire and Diamond 3/4 Carat Sunburst Halo Ring
Located in New York, NY
-cut diamonds all along the sides. The total carat weight of this everlasting piece is 3/4 c.t. and is
Category

21st Century and Contemporary American Contemporary Fashion Rings

Materials

Blue Sapphire, Diamond, White Diamond, White Gold, 18k Gold

3 Carat Blue Sapphire and 2 Ct Diamond Cocktail Ring in 18 Karat White Gold 6
Located in New York, NY
3 Carat Blue Sapphire and 2 Ct Diamond Cocktail Ring in 18 Karat White Gold 6 Approximately 3 Ct
Category

2010s Cocktail Rings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

18K White Gold Cushion Shaped Blue Topaz & 1/6 Carat Diamond 3 Stone Style Ring
Located in New York, NY
cushion shaped blue topaz gemstone sits as the central motif of this piece, flanked by 3 3.2 mm blue topaz
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Topaz, Blue Topaz, 18k Gold, White Gold

18K White Gold Cushion Shaped Blue Topaz & 1/6 Carat Diamond 3 Stone Style Ring
Located in New York, NY
cushion shaped blue topaz gemstone sits as the central motif of this piece, flanked by 3 3.2 mm blue topaz
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Topaz, Blue Topaz, White Gold, 18k Gold

18K Two-Tone Gold Gold 1/3 Carat Diamond & Blue Topaz Gemstone Drop Hoop Earring
Located in New York, NY
center. These stunning diamonds total 1/3 cttw with an approximate G-H Color and SI1-SI2 Clarity. Lever
Category

21st Century and Contemporary Thai Contemporary Drop Earrings

Materials

Diamond, White Diamond, Topaz, Blue Topaz, 18k Gold, Rose Gold, White Gold

6 Ct Natural Blue Sapphire & 3 Ct Diamond hanging Earrings 18Kt White Gold 3"
Located in New York, NY
6 Ct Natural Blue Sapphire & 3 Ct Diamond hanging Earrings in 18Kt White Gold 3" A fabulous pair of
Category

2010s Dangle Earrings

Materials

Diamond, Blue Sapphire, White Gold, 18k Gold

Gubelin 3 Carat No Heat Burmese Blue Sapphire and Diamond 18 Karat Gold Ring
Located in Bangkok, TH
A brand new blue sapphire ring. The ring's center stone is 3.01 carat Burmese blue sapphire
Category

2010s Three-Stone Rings

Materials

Diamond, Emerald, Blue Sapphire, 18k Gold, White Gold

1925 Art Deco 14K White Gold 3 Carat Blue Zircon and Diamond Ring
Located in Lexington, KY
This is an alluring Art Deco ring crafted in 14K white gold showcasing a breathtaking 3-carat blue
Category

Vintage 1920s Art Deco Fashion Rings

Materials

Diamond, Zircon, Blue Zircon, 14k Gold, White Gold

3-Stone Ring with 3.59 Carat Blue Sapphire
By M&V Vanguard Jewelry
Located in New York, NY
: Weight: 3.59 carats Measurements: 8.24 x 8.06mm Shape: Cushion Color: Blue Ring details: Entire top
Category

2010s American Three-Stone Rings

Materials

Blue Sapphire, Platinum

1.56 Carats Blue Sapphire And 1.30 Carats Diamond 2 Stone Ring
By Iris Fine Jewelry
Located in New York, NY
. This exquisite piece features a heated blue sapphire weighing 1.56 carats and a round brilliant diamond
Category

21st Century and Contemporary Cocktail Rings

Materials

White Diamond, Blue Sapphire, Diamond, Platinum

Art Deco 3 Carat Sapphire and Diamond Platinum Filigree Ring
Located in Montgomery, AL
center stone is a gorgeously rich blue sapphire. The central blue sapphire measures approximately 3 full
Category

Early 20th Century Art Deco Cocktail Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

GIA Certified 3 Carat No Heat Royal Blue Kashmir Cushion Sapphire Ring
By Antinori Fine Jewels
Located in Rome, IT
An exquisite and very pure natural vivid blue sapphire certified by GIA with a NO HEAT which is so
Category

2010s Italian Modern Solitaire Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, 18k Gold

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3 Carat Blue Diamond For Sale on 1stDibs

On 1stDibs, you can find the most appropriate 3 carat blue diamond for your needs in our varied inventory. Each design created in this style — which was crafted with great care and often made from Gold, 18k Gold and White Gold — can elevate any look. Find an antique version now, or shop for 3062 vintage or 4954 modern creation for a more contemporary example of these cherished accessories. You’re likely to find the perfect 3 carat blue diamond 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. 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 3 carat blue diamond from Luigi Ferrara, Peter Suchy and Le Vian — each of whom created a beautiful version of this treasured accessory — is worth considering. See these pages for an oval cut iteration of this accessory, while there are also round cut cut and cushion cut cut versions available here, too. There aren’t many items for men if you’re seeking a 3 carat blue diamond, as most of the options available are for women and unisex.

How Much is a 3 Carat Blue Diamond?

Prices for a 3 carat blue diamond can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $27 and can go as high as $6,500,000, while this accessory, on average, fetches $5,631.
Questions About 3 Carat Blue Diamond
  • 1stDibs ExpertSeptember 28, 2021
    A 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.
  • 1stDibs ExpertFebruary 27, 2024
    In 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, 2023
    Whether 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.