Skip to main content

3 Karat Blue Diamond

21
to
228
1,521
392
1,099
880
382
329
245
185
128
99
78
78
68
67
57
45
44
41
35
35
28
21
19
18
9
9
8
4
4
2
1
1
1
1
52
48
37
35
34
Sort By
Aquamarine 8.50 Carat Bespoke 18 Karat White Gold 3 Carat Diamond Halo Ring
By Hasbani Diamonds
Located in London, GB
colour diamonds G / H VS-SI colour natural diamonds. This Ring has been beautifully set in 18 Karat
Category

2010s British Modern Engagement Rings

Materials

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

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

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...

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

Sapphire Diamond Earring Charms 14 Karat Gold 3/4 Carat Blue Sapphire & Diamond
By Five Star Jewelry
Located in Austin, TX
white gold surrounding a brilliant round blue sapphire and dripping with white diamonds, these charms
Category

21st Century and Contemporary American Modern Dangle Earrings

Materials

Blue Sapphire, Diamond, 14k Gold, White Gold

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...

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

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

Blue Sapphire and Diamond Cocktail Ring, 3 Rows Design, 18 Karat White Gold
Located in Hong Kong, HK
color of the sapphire "pop" against the white diamonds. It is very eye pleasing. The 3 rows is an unique
Category

2010s Hong Kong Cocktail Rings

Materials

Blue Sapphire, Diamond, Sapphire, 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

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

4.37 Carat Blue Sapphire Diamond Rose Cut 18 KT Yellow Gold Artisan Ring
By Hasbani Diamonds
Located in London, GB
in two Diamond slices one on each side set in 18 Karat Yellow Gold. This unique Blue Sapphire and
Category

2010s Unknown Contemporary Three-Stone Rings

Materials

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

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

GIA Certified 3 Cts Blue Sapphire with Diamond Ring Set in 18 Karat White Gold
Located in Bangkok, TH
Blue Sapphire 3.76 carats with Diamond 0.96 carat Ring set in 18 Karat White Gold Settings (GIA
Category

2010s Thai Contemporary Solitaire Rings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

GIA Certified 3 Cts Blue Sapphire with Diamond Ring Set in 18 Karat White Gold
Located in Bangkok, TH
Blue Sapphire 3.85 carats with Diamond 0.74 carat Ring set in 18 Karat White Gold Settings (GIA
Category

2010s Thai Contemporary Solitaire Rings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

18 Karat Gold Blue Topaz 0.16 Karat White Diamonds Blue Ocean Earrings
By Rossella Ugolini
Located in Rome, IT
Topaz 0.16 Karat White Diamonds Blue Ocean Earrings
Category

2010s Italian Art Deco Dangle Earrings

Materials

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

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

0.75 Carat 3 Stone Natural White and Blue Diamond Ring G SI 14 Karat White Gold
Located in New York, NY
0.75 Carat 3 Stone Blue and White Diamond Ring G SI 14K White Gold 100% Natural Diamonds 0.75CT G
Category

21st Century and Contemporary American Contemporary Fashion Rings

Materials

Blue Diamond, 14k Gold, White Gold

0.75 Carat 3 Stone Natural White and Blue Diamond Ring G SI 14 Karat White Gold
Located in New York, NY
0.75 Carat 3 Stone Blue and White Diamond Ring G SI 14K White Gold 100% Natural Diamonds 0.75CT G
Category

21st Century and Contemporary American Contemporary Fashion Rings

Materials

Blue Diamond, 14k Gold, White Gold

Italian 18 Karat Pink Gold Initial White & Black Charm Necklace 1.70 Carats
By Harbor Diamonds
Located in New York, NY
Italian, 18 Karat Rose Gold charm pendant necklace featuring 74 white diamonds weighing 1.02 Carats
Category

2010s Italian Contemporary Pendant Necklaces

Materials

Pink Sapphire, Diamond, Black Diamond, Blue Sapphire, Gold, 18k Gold, Ro...

5.11 Carat Cushion Cut 'GIA' Natural Blue Sapphire, 3-Stone 18 Karat Ring
Located in Houston, TX
Gorgeous 5.11 carat cushion cut blue sapphire (GIA certified) with two perfectly matched step cut
Category

2010s Three-Stone Rings

Materials

Diamond, Blue Sapphire, 18k Gold

Diamond Blue Sapphire 18 Karat White Gold Ring
By Mousson Atelier
Located in Bangkok, TH
Diamond Blue Sapphire 18 Karat White Gold Ring Have you ever see how the Moonlight plays on Water
Category

21st Century and Contemporary Thai Contemporary Cocktail Rings

Materials

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

Ring Blue Sapphire Diamonds White Gold 18 Karat
Located in Vannes, FR
Treat yourself to an exceptional piece with this sumptuous Blue Sapphire and Diamond ring, a true
Category

21st Century and Contemporary French Contemporary Engagement Rings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

19th Century Napoleon 3 Sapphire Diamonds 18 Karat Yellow Gold Ring
Located in Poitiers, FR
Ring in 18 karat yellow gold. Incredible antique ring, it presents a polylobate decoration centered
Category

Antique Late 19th Century French Napoleon III Engagement Rings

Materials

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

14 Karat Yellow Gold Asscher Blue Sapphire Solitaire Ring Center, 3/4 Carat
Located in San Francisco, CA
This petite rustic style ring is impressive in its Organic appeal, featuring a natural blue asscher
Category

21st Century and Contemporary American More Rings

Materials

Diamond, Blue Sapphire, Yellow Gold

Diamonds, Blue Sapphires, 18 Karat White Gold Ring
Located in Marcianise, Marcianise (CE)
five oval blue sapphires and, between of them, a white diamond. This ring is totally handmade by
Category

21st Century and Contemporary Italian Modern Engagement Rings

Materials

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

19th Century Sapphire Diamond 18 Karat Rose Gold 3 Rings Ring
Located in Poitiers, FR
Ring in 18 karat rose gold. Sublime and authentic antique ring, it is set on 3 openwork rings, two
Category

Antique Late 19th Century French Napoleon III Band Rings

Materials

Diamond, Sapphire, Blue Sapphire, Rose Gold, Gold, 18k Gold

Spectacular Tsavorite Blue Sapphire Diamond 18 Karat Yellow Gold Brooch
By Natkina
Located in Montreux, CH
Yellow Gold 18K Brooch Diamond 1-RND57-0,02-3/4A Diamond 27-RND57-0,07-3/4A Diamond 3-RND57-0,04
Category

2010s Brooches

Materials

Diamond, Blue Sapphire, Tsavorite, 14k Gold, Yellow Gold

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

Blue Sapphires Diamonds 18 Karat White Gold Small Oasis Suite
By Mousson Atelier
Located in Bangkok, TH
Blue Sapphires Diamonds 18 Karat White Gold Small Oasis Suite Hot desert - nothing alive around
Category

21st Century and Contemporary Thai Contemporary Cocktail Rings

Materials

Diamond, Blue Sapphire, 18k Gold

Blue Sapphires Diamonds 18 Karat White Gold Big Oasis Suite
By Mousson Atelier
Located in Bangkok, TH
Blue Sapphires Diamonds 18 Karat White Gold Big Oasis Suite Hot desert - nothing alive around. But
Category

21st Century and Contemporary Thai Contemporary Cocktail Rings

Materials

Diamond, Blue Sapphire, 18k Gold

Blue Sapphires Diamonds 18 Karat White Gold Big Oasis Ring
By Mousson Atelier
Located in Bangkok, TH
Blue Sapphires Diamonds 18 Karat White Gold Big Oasis Ring Hot desert - nothing alive around. But
Category

21st Century and Contemporary Thai Contemporary Cocktail Rings

Materials

Diamond, Blue Sapphire, 18k Gold

Blue Sapphires Diamonds 18 Karat White Gold Small Oasis Ring
By Mousson Atelier
Located in Bangkok, TH
Blue Sapphires Diamonds 18 Karat White Gold Small Oasis Ring Hot desert - nothing alive around. But
Category

21st Century and Contemporary Thai Contemporary Cocktail Rings

Materials

Diamond, Blue Sapphire, 18k Gold

Fully Customized 18 Karat Gold 2-3 Characters Diamond Men's Cufflinks
By Vitale 1913
Located in Monte-Carlo, MC
of diamonds you desire, none, 1 or 3 lines, places at the bottom of the cufflinks, and to decorate
Category

2010s Italian Contemporary Cufflinks

Materials

Agate, Amazonite, Carnelian, White Diamond, Diamond, Yellow Diamond, Lap...

Fully Customized 18 Karat Gold 2-3 Characters Diamond Men's Cufflinks
By Vitale 1913
Located in Monte-Carlo, MC
of diamonds you desire, none, 1 or 3 lines, places at the bottom of the cufflinks, and to decorate
Category

2010s Italian Contemporary Cufflinks

Materials

Natural Pearl, Other, Diamond, Lapis Lazuli, Agate, White Diamond, Amazo...

Diamond Blue Sapphire 18 Karat White Gold Ring Earrings Suite
By Mousson Atelier
Located in Bangkok, TH
Diamond Blue Sapphire 18 Karat White Gold Ring Earrings Suite Have you ever see how the Moonlight
Category

21st Century and Contemporary Thai Contemporary Dangle Earrings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

Diamond Blue Sapphire 18 Karat White Gold Earrings
By Mousson Atelier
Located in Bangkok, TH
Diamond Blue Sapphire 18 Karat White Gold Earrings Have you ever see how the Moonlight plays on
Category

21st Century and Contemporary Thai Contemporary Dangle Earrings

Materials

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

Fully Customized 18 Karat Gold 2-3 Characters Diamond Men's Cufflinks
By Vitale 1913
Located in Monte-Carlo, MC
of diamonds you desire, none, 1 or 3 lines, places at the bottom of the cufflinks, and to decorate
Category

2010s Italian Contemporary Cufflinks

Materials

Agate, Amazonite, Carnelian, Diamond, Lapis Lazuli, Onyx, Opal, Natural ...

Royal Blue Sapphire White Diamond White Gold 18 Karat Dangle Earrings
By Natkina
Located in Montreux, CH
Diamond 120-Round57-1,8-3/7A Diamond 58-Round 57-0,2-4/7A Blue Sapphire 10-Oval-5,97 Т(4)/4A With a
Category

2010s Drop Earrings

Materials

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

Fashion Blue Sapphire White Diamond White Gold 18 Karat Dangle Necklace
By Natkina
Located in Montreux, CH
57-1,67-3/7A Diamond 207-Round 57-0,83-4/7A Blue Sapphire 1-Oval-0,92 Т(4)/3A Blue Sapphire 4-Oval
Category

2010s Drop Necklaces

Materials

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

18 Karat Rose Multi-Color Blue and Orange Sapphire 3 in 1 Brooch Ring Pendant
By Althoff Jewelry
Located in Hong Kong, HK
precise work or each patel and combination of colors to make the flower alive. details 274 Round Blue
Category

21st Century and Contemporary Hong Kong Modern Cocktail Rings

Materials

Diamond, Brown Diamond, Garnet, Sapphire, Blue Sapphire, Rose Gold, 18k ...

18 Karat Rose Multi-Color Blue and Orange Sapphire 3 in 1 Brooch Ring Pendant
By Althoff Jewelry
Located in Hong Kong, HK
precise work or each patel and combination of colors to make the flower alive. details 274 Round Blue
Category

21st Century and Contemporary Hong Kong Modern Cocktail Rings

Materials

Diamond, Brown Diamond, Garnet, Sapphire, Blue Sapphire, 18k Gold, Rose ...

Georgios Collections 18 Karat Gold and Rhodium Solitaire Blue Diamond Ring
By Georgios Collections Inc
Located in Astoria, NY
the 1.05 Carat Brilliant cut Blue diamond is finished with Black Rhodium creating a wonderful contrast
Category

21st Century and Contemporary Greek Byzantine Band Rings

Materials

Blue Diamond, Diamond, White Diamond, Gold, 18k Gold, Rhodium, 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

Wide Bracelet Blue Sapphire and Diamond Bracelet 14 Karat White Gold
Located in Brooklyn, NY
Very wide Blue sapphire and Diamonds Bracelet oval shape AAA Quality Sapphires Total of 27.50 carat
Category

1990s Thai Link Bracelets

Materials

Diamond, Blue Sapphire, White Gold

French 1970s 3 Carat No Heat Sapphire Diamonds 18 Karat White Gold Daisy Ring
Located in Poitiers, FR
oval "cornflower" blue sapphire, in a surrounding of modern brilliant- cut diamonds. The setting is
Category

Vintage 1970s French Retro Engagement Rings

Materials

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

18 Karat Baby Blue Topaz and Diamond Layered Drop Necklace, Powder Blue
Located in Hong Kong, HK
Check out the HD video! Here is a super nice powder blue Topaz and diamond layered necklace. It is
Category

2010s Contemporary Multi-Strand Necklaces

Materials

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

6.55 Carat Blue Zircon Diamond 14 Karat Rose Gold Ring
By DGI
Located in Los Angeles, CA
A beautiful Blue Zircon and Diamond ring that can be a nice Engagement ring or a gorgeous Cocktail
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Zircon, Blue Zircon, 14k Gold, Rose Gold

7.06 Carat Blue Zircon Diamond 14 Karat White Gold Ring
By DGI
Located in Los Angeles, CA
A beautiful Blue Zircon and Diamond ring that can be a nice Engagement ring, an Everyday Ring or
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

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

14 Karat Yellow Gold Trillion Cut Blue Topaz and Diamond Necklace
Located in Scottsdale, AZ
Designer: custom Material: 14K yellow gold Diamond: 3 round cut= 0.06cttw Color: H Clarity: SI1
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Blue Topaz, 14k Gold, Yellow 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

Blue Sapphire 10.31 Carat Diamonds 18 Karat White Gold Maghreb Ring
By Mousson Atelier
Located in Bangkok, TH
Blue Sapphire 10.31 Carat Diamonds 18 Karat White Gold Maghreb Ring Maghreb is a name given by
Category

21st Century and Contemporary Thai Art Deco Cocktail Rings

Materials

Diamond, Blue Sapphire, 18k 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

Cellini 18 Karat Gold, 149.5 Carat Rainbow Sapphire and Diamond 3-Row Necklace
By Cellini
Located in New York, NY
multi-color oval-cut sapphires and accented with 2.07 carats of round brilliant diamonds. Set in 18
Category

Early 2000s Unknown Contemporary Multi-Strand Necklaces

Materials

Diamond, Multi-gemstone, Sapphire, Blue Sapphire, Pink Sapphire, Yellow ...

Georgios Collections 18 Karat White Gold Blue and White Diamond Band Ring
By Georgios Collections Inc
Located in Astoria, NY
weight of 0.38 Carat and 4 Brilliant cut blue diamonds total weight of 0.08 Carat. This gorgeous ring is
Category

21st Century and Contemporary Greek Byzantine Band Rings

Materials

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

Georgios Collections 18 Karat White Gold Blue White Diamonds Wide Band Ring
By Georgios Collections Inc
Located in Astoria, NY
and 3 (three) Brilliant cut Blue Diamonds total weight of 1,18 Carats. The stunning ring is finished
Category

21st Century and Contemporary Greek Byzantine Band Rings

Materials

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

18 Karat Yellow Gold Winged Earrings with Baguette Diamonds and Blue Sapphires
By Effevi
Located in New York, NY
A lovely pair of wing shaped 18 karat yellow gold earrings set with 3 rows of Diamond Baguettes and
Category

Vintage 1980s Italian Retro Clip-on Earrings

Materials

Diamond, Blue Sapphire, 18k Gold, Yellow Gold

Evil Eye Blue Sapphire 14 Karat Yellow Gold Diamond Necklace for Her
By Natkina
Located in Montreux, CH
14K Solid Yellow Gold Diamond Necklace (Matching Bracelet Available ) Diamond 8 RND- 0,28 ct Blue
Category

21st Century and Contemporary Swiss Modern Chain Necklaces

Materials

Diamond, Blue Sapphire, Yellow Gold

  • 1
  • ...
Get Updated with New Arrivals
Save "3 Karat Blue Diamond", and we’ll notify you when there are new listings in this category.

3 Karat Blue Diamond For Sale on 1stDibs

On 1stDibs, you can find the most appropriate 3 karat blue diamond for your needs in our varied inventory. Every item for sale was constructed with extraordinary care, often using gold, 18k gold and white gold. You can easily find a 1459 antique edition and 1046 modern creations to choose from as well. Making the right choice when shopping for a 3 karat blue diamond may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 19th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. A 3 karat blue diamond from Georgios Collections Inc, Polya Medvedeva Jewellery and Mousson Atelier — 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 oval cut and cushion cut versions for sale. Finding a 3 karat blue diamond for sale for women should be easy, but there are 771 pieces available to browse for unisex as well as men, too.

How Much is a 3 Karat Blue Diamond?

On average, a 3 karat blue diamond at 1stDibs sells for $3,525, while they’re typically $50 on the low end and $290,121 for the highest priced versions of this item.