Skip to main content

25 Carat Blue Diamond

4
to
162
555
60
572
305
110
72
70
59
31
27
25
15
13
13
13
13
13
12
11
6
4
3
2
2
2
2
1
18
15
12
12
10
Sort By
18K White Gold 25 Carat Blue Sapphire & 4 5/8 Carat Diamond Halo Dangle Earring
Located in New York, NY
boast a total of 4 5/8 carats of diamonds, their G-H color and SI1-SI2 clarity illuminating moments with
Category

21st Century and Contemporary American Modern Dangle Earrings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

25 Carats Oval Cut J'adore Blue Sapphire & Diamond Bracelet Certified
Located in New York, NY
The Sadie 25 Carat Sapphire & Diamond Bracelet features OVAL CUT J'adore SAPPHIRE brilliants
Category

2010s American Tennis Bracelets

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

GIA Certified 25 Carat Blue Sapphire & Round Diamond Halo Ring in Platinum
Located in Miami, FL
Vintage Art Deco inspired Blue Sapphire and Diamond cocktail ring. Blue Sapphire is or Sri Lanka
Category

1990s Sri Lankan Art Deco Cocktail Rings

Materials

Diamond, Blue Sapphire, Platinum

.25 Carat Diamond and 1 Carat Sapphire Earrings
Located in Atlanta, GA
grams Diamond Details: Cut: Round and Baguettes Carat: .25 carat total weight Color: H-I Clarity: VS
Category

Vintage 1970s Unknown Retro Clip-on Earrings

Materials

Diamond, Sapphire, 14k Gold

Vivid Diamonds AGL Certified 21.19 Carat Sapphire and Diamond Ballerina Ring
By Vivid Diamonds
Located in Miami, FL
certified blue oval Sapphire weighing 21.19 carats, surrounded by 20 round brilliant cut diamonds and 50
Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Oval Locket Pendant Necklace 18k Yellow Gold Blue Enamel 25 Diamonds 0.19 Carat
By Victor Mayer
Located in Pforzheim, DE
Material: 18k yellow gold Vitreous enamel: electric blue Diamonds: 25 diamonds, total 0,19 ct Measurements
Category

21st Century and Contemporary German Victorian Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold, Enamel

.25 Carat Total Weight Art Deco Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 3 Metal Type: Platinum [Hallmarked, and Tested] Weight: 2.0 grams Diamond Details
Category

Vintage 1930s Unknown Art Deco Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

.25 Carat Sapphire Yellow Gold Pin
Located in Atlanta, GA
Diamond Details Type: Natural Sapphire Shape: Cabochon Carat Weight: .25 carat Color: Blue Side Stone
Category

Vintage 1920s Unknown Art Deco Brooches

Materials

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

.60 Carat Blue Sapphire Diamond Halo Yellow Gold Earrings
Located in Stamford, CT
Sapphire and diamond stud earrings. 2 round blue sapphires, each with round cut diamond halos set
Category

21st Century and Contemporary Stud Earrings

Materials

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

26 Carat Blue Topaz and Diamond Ring
Located in Miami, FL
26.75 carat Swiss Blue, blue topaz with an emerald cut 1 carat total weight in diamonds The measurement
Category

2010s American Contemporary Cocktail Rings

Materials

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

.50 Carat Blue Sapphire Diamond White Gold Halo Ring
Located in Stamford, CT
halo of 25 round cut diamonds in a 14k white gold setting. 1 pear shaped greenish blue sapphire
Category

Late 20th Century Fashion Rings

Materials

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

Art Deco Aquamarine Diamond Cocktail Ring in 25 Carat Aqua
Located in Kendal, GB
calming clear blue hue with flashes of green, weighing an impressive 25 carats (approx.) Aquamarine
Category

20th Century Art Deco Engagement Rings

Materials

Aquamarine, Diamond, Platinum

.25 Carat Total Weight Diamond Platinum and White Gold Engagement Ring
Located in Atlanta, GA
Details Shape: Old European Brilliant Carat Weight: .25 carat, total weight Color: F Clarity: VS Side
Category

Vintage 1930s Unknown Art Deco Engagement Rings

Materials

Sapphire, Blue Sapphire, White Gold, Platinum

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 ...

.61 Carat Blue Square Sapphire Diamond Halo Yellow Gold Stud Earrings
Located in Stamford, CT
diamonds, wet in 14k yellow gold. 2 square blue sapphire, approx. .61cts 30 round brilliant cut diamonds
Category

21st Century and Contemporary Stud Earrings

Materials

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

Blue Sapphire Flower Earrings With Diamonds 11 Carats 18K Gold
Located in Laguna Niguel, CA
= 10.71 Carats Diamonds = 1.04 Carats Metal: 18K White Gold Dimensions: 25 x 22 mm
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

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

Blue Sapphire Flower Earrings With Diamonds 11 Carats 18K Gold
Located in Laguna Niguel, CA
= 10.71 Carats Diamonds = 1.04 Carats Metal: 18K White Gold Dimensions: 25 x 22 mm
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

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

18K White Gold 1.94 Carat Trillion Natural Blue Sapphire Halo Diamond Earrings
Located in San Francisco, CA
) encircled by Natural brilliant round diamonds in a total weight of 0.77 Carat. These Sri Lankan sapphires
Category

21st Century and Contemporary American Drop Earrings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

Peter Suchy GIA Certified 3.82 Carat Blue Sapphire Diamond Gold Pendant Necklace
By Peter Suchy
Located in Stamford, CT
Oval sapphire and diamond pendant necklace. GIA certified 3.82 carat oval sapphire, natural with
Category

21st Century and Contemporary Pendant Necklaces

Materials

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

1.61 Carat Natural Blue Sapphire and Diamond Made in Platinum
Located in Tokyo, JP
A beautiful ring featuring 1.61 Carat Natural Blue Sapphire and 0.23 Carats Diamond Accents set in
Category

21st Century and Contemporary Japanese Modern Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

14k White Gold, Diamond, and Blue Topaz Ring 19+ Carats
Located in Venice, CA
This 14k white gold, diamond, and blue topaz ring contains a striking 19+ carat vibrant blue
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

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

2.17 Carat Natural 'Cornflower Blue' Sapphire and Diamond Made in Platinum
Located in Tokyo, JP
A beautiful ring featuring 2.17 Carat Natural Blue Sapphire and 0.70 Carats Diamond Accents set in
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

1.35 Carat Natural 'Cornflower Blue' Sapphire and Diamond Made in Platinum
Located in Tokyo, JP
A beautiful ring featuring 1.35 Carat Natural Blue Sapphire and 1.00 Carats Diamond Accents set in
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

1.24 Carat Natural Royal Blue Sapphire & Diamond Ring set in Platinum
Located in Tokyo, JP
A beautiful ring featuring 1.24 Carat Natural Blue Sapphire and 0.52 Carats Diamond Accents set in
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

1.65 Carat Natural Blue Sapphire and Diamond Ring set in Platinum
Located in Tokyo, JP
A beautiful ring featuring 1.65 Carat Natural Blue Sapphire and 0.24 Carats Diamond Accents set in
Category

21st Century and Contemporary Japanese Modern Cluster Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Blue Oval Cut Sapphires Bracelet Diamond Links 5.75 Carats 14K White Gold
Located in Laguna Niguel, CA
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural 25 Blue Sapphires
Category

21st Century and Contemporary Contemporary Tennis Bracelets

Materials

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

Vintage Platinum Ring featuring a 1.05 Carat Blue Sapphire and Diamonds
Located in Tokyo, JP
A beautiful ring featuring 1.05 Carat Natural Blue Sapphire and 0.55 Carats Diamond Accents set in
Category

20th Century Japanese Art Deco Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Blue Oval Cut Sapphires Bracelet Diamond Links 5.75 Carats 14K White Gold
Located in Laguna Niguel, CA
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural 25 Blue Sapphires
Category

21st Century and Contemporary Contemporary Tennis Bracelets

Materials

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

Modern Gold 37 Carat Natural Colorless Diamond & Blue Sapphire Italian Necklace
Located in Los Angeles, CA
A stunning ladies 18k White Gold Natural Royal Blue Sapphire and Diamond Necklace made in the
Category

Early 2000s European Modern Multi-Strand Necklaces

Materials

Diamond, Blue Sapphire, Gold, 18k Gold

1.27 Carat Natural Blue Sapphire and Diamond Ring Made in Platinum
Located in Tokyo, JP
A beautiful ring featuring 1.27 Carat, Natural Sapphire and 0.21 carats Diamond Accents set in
Category

21st Century and Contemporary Japanese Modern Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

1.24 Carat Natural Blue Sapphire and Diamond Ring Set in Platinum
Located in Tokyo, JP
A beautiful ring featuring 1.24 Carat, Natural Sapphire and 0.73 Carats Diamond Accents set in
Category

21st Century and Contemporary Japanese Modern Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

18K Gold Blue Sapphire Diamond Necklace Diamond Marquise Blue Sapphire
By Oshi Jewels
Located in Bangkok, TH
Natural Blue Sapphire Diamond Necklace is made of 18k solid gold. Available in three colors of gold
Category

21st Century and Contemporary Thai Modern Pendant Necklaces

Materials

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

Emilio Jewelry Gia Certified 1.25 Carat Fancy Intense Pure Blue Diamond Ring
By Emilio!
Located in New York, NY
pure blue diamond Shield cut with no overtone set in the center just over 1.25 carats. Uniquely enough
Category

21st Century and Contemporary Cocktail Rings

Materials

Blue Diamond

0.99 Carat, Unheated, Cornflower Blue Sapphire and Diamond Ring Set in Platinum
Located in Tokyo, JP
A beautiful ring featuring AIGS Certified 0.99 Carat Natural Cornflower Blue, Unheated Sapphire and
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

1.61 Carat Natural Royal Blue Sapphire and Diamond Ring Made in Platinum
Located in Tokyo, JP
A beautiful ring featuring 1.61 Carat Natural Royal Blue Sapphire and 0.45 Carats Diamond Accents
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

2.25 Carat Natural Blue Sapphire and Diamond Cocktail Ring Made in Platinum
Located in Tokyo, JP
A beautiful ring featuring 2.25 Carat Natural Royal Blue Sapphire and 0.69 Carats Diamond Accents
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

AIG Certified 1.80 Carat, Unheated Royal Blue Sapphire & Diamond Set in Platinum
Located in Tokyo, JP
A beautiful ring featuring a AIGS Certified 1.80 Carat Natural Unheated, Royal Blue Blue Sapphire
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

AIG Certified 2.33 Carat Royal Blue Sapphire and Diamond Set in Platinum
Located in Tokyo, JP
A beautiful ring featuring a AIGS Certified 2.33 Carat Royal Blue Blue Sapphire and 0.61 Carats
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Blue Pear Cut Sapphire Tennis Bracelet Diamond Links 5.40 Carats 14K White Gold
Located in Laguna Niguel, CA
It comes with the appraisal by GIA GG/AJP All Gemstones are Natural 25 Blue Sapphires = 5.00 Carats
Category

21st Century and Contemporary Contemporary Tennis Bracelets

Materials

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

1.06 Carat Natural Royal Blue Sapphire & Diamond Ballerina Ring set in Platinum
Located in Tokyo, JP
A beautiful ring featuring 1.06 Carat Natural Blue Sapphire and 0.24 Carats Diamond Accents set in
Category

20th Century Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Blue Pear Cut Sapphire Tennis Bracelet Diamond Links 5.40 Carats 14K White Gold
Located in Laguna Niguel, CA
It comes with the appraisal by GIA GG/AJP All Gemstones are Natural 25 Blue Sapphires = 5.00 Carats
Category

21st Century and Contemporary Contemporary Tennis Bracelets

Materials

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

2.96 Carat Round Blue Sapphire and Diamond Bracelet in 14k White Gold
Located in NEW YORK, NY
these blue sapphires are 25 sparkling round diamonds weighing 1.15 carats in total. Set in polished 14k
Category

20th Century American Modern Tennis Bracelets

Materials

Diamond, Blue Sapphire, 14k Gold, White Gold

5.75 Carat Exquisite Natural Blue Sapphire and Diamond 14K Solid Yellow Gold
Located in Los Angeles, CA
5.75 Carats Exquisite Natural Blue Sapphire and Diamond 14K Solid Yellow Gold Ring Total Natural
Category

2010s American Cocktail Rings

Materials

Diamond, Blue Sapphire, 14k Gold, Yellow Gold

1.26 Carat Natural Blue Sapphire and Diamond Halo Ring Set in Platinum
Located in Tokyo, JP
A beautiful ring featuring 1.26 Carat, Natural Sapphire and 0.74 carats Diamond Accents set in
Category

21st Century and Contemporary Japanese Modern Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

2.57 Carat Natural Royal Blue Sapphire and Diamond Ring Set in Platinum
Located in Tokyo, JP
A beautiful ring featuring a 2.578 Carat, Natural Blue Sapphire and 0.898 Carats Diamond Accents
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

1.52 Carat Natural Royal Blue Sapphire and Diamond Ring Set in Platinum
Located in Tokyo, JP
A beautiful Ring featuring a 1.52 Carat, Natural, Blue Sapphire and 0.56 Carats of Diamond Accents
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

1.11 Carat Natural Royal Blue Sapphire and Diamond Ring Set in Platinum
Located in Tokyo, JP
A beautiful Ring featuring a 1.11 Carat, Natural, Blue Sapphire and 0.89 Carats of Diamond Accents
Category

21st Century and Contemporary Japanese Modern Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Blue Pear Cut Sapphire Tennis Bracelet Diamond Links 5.40 Carats 14K White Gold
Located in Laguna Niguel, CA
It comes with the appraisal by GIA GG/AJP All Gemstones are Natural 25 Blue Sapphires = 5.00 Carats
Category

21st Century and Contemporary Contemporary Tennis Bracelets

Materials

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

3.49 Carat Natural Blue Sapphire and Diamond Halo Ring Set in Platinum
Located in Tokyo, JP
A beautiful ring featuring a 3.49 Carat Natural Blue Sapphire and 1.03 Carats Diamond Accents set
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Vintage 1.46 Carat Natural Blue Sapphire and Diamond Ring Made in Platinum
Located in Tokyo, JP
A beautiful ring featuring 1.46 Carat, Natural Sapphire and 0.81 Carats Diamond Accents set in
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

18K White Gold 1/5 Carat Diamond with Sky Blue Topaz & Black Onyx Dangle Earring
Located in New York, NY
Color: Blue and Black Gemstone MM Size: Pear Blue Topaz: 12 x 10mm; Black Onyx Pear: 25 x 18mm Gemstone
Category

21st Century and Contemporary Thai Contemporary Dangle Earrings

Materials

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

1.07 Carat, Unheated, Royal Blue Color Sapphire and Diamond Ring Set in Platinum
Located in Tokyo, JP
A beautiful ring featuring AIGS Certified 1.07 Carat Natural Royal Blue, Unheated Sapphire and 0.29
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

1.50 Carat Natural Royal Blue Color Sapphire and Diamond Ring Made in Platinum
Located in Tokyo, JP
A beautiful ring featuring AIGS Certified 1.50 Carat Natural Royal Blue Color Sapphire and 0.70
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

5.09 Carat Natural Blue Sapphire and Diamond Vintage Estate Ring Set in Platinum
Located in Tokyo, JP
A beautiful ring featuring 5.09 Carat Natural Blue Sapphire and 1.37 Carats Diamond Accents set in
Category

20th Century Japanese Modern Cocktail Rings

Materials

Diamond, Blue Sapphire, Platinum

2.95 Carat Natural Royal Blue Sapphire and Diamond Halo Ring Made in Platinum
Located in Tokyo, JP
A beautiful ring featuring 2.95 Carat Natural Royal Blue Sapphire and 1.80 Carats Diamond Accents
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

1.92 Carat Natural Royal Blue Sapphire and Diamond Halo Ring Made in Platinum
Located in Tokyo, JP
A beautiful ring featuring 1.92 Carat Natural Royal Blue Sapphire and 0.55 Carats Diamond Accents
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

3.21 Carat Natural Royal Blue Color Sapphire and Diamond Ring Made in Platinum
Located in Tokyo, JP
A beautiful ring featuring 3.21 Carat Natural Royal Blue Sapphire and 0.82 Carats Diamond Accents
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

1.52 Carat Natural Royal Blue Color Sapphire and Diamond Ring Made in Platinum
Located in Tokyo, JP
A beautiful ring featuring 1.522 Carat Natural Royal Blue Sapphire and 0.81 Carats Diamond Accents
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

17 Carat Blue Sapphire Oval Cabochon Gold Full Cut Round Diamonds Cocktail Ring
By Tutti Frutti Jewellery
Located in Bangkok, TH
17 Carat Blue Sapphire Oval Cab ring ( 17,5 mm x 13 mm ) set with 3,3 grams of 14 kt white gold
Category

21st Century and Contemporary Italian Contemporary Cocktail Rings

Materials

Diamond, Blue Sapphire, 14k Gold

13 Carat Blue Sapphire Oval Cabochon Gold Full Cut Round Diamonds Cocktail Ring
By Tutti Frutti Jewellery
Located in Bangkok, TH
13 Carats Blue Sapphire oval cab ( 13,4 mm. x 11,3 mm.) set with 3,5 grams of 14 kt white gold, 12
Category

1990s Italian Contemporary Cocktail Rings

Materials

Diamond, Blue Sapphire, Gold, 14k Gold

  • 1
  • ...
Get Updated with New Arrivals
Save "25 Carat Blue Diamond", and we’ll notify you when there are new listings in this category.

25 Carat Blue Diamond For Sale on 1stDibs

You are likely to find exactly the 25 carat blue diamond you’re looking for on 1stDibs, as there is a broad range for sale. 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. Our collection of these items for sale includes 2943 vintage editions and 2604 modern creations to choose from as well. You’re likely to find the perfect 25 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. Creating a 25 carat blue diamond has been a part of the legacy of many jewelers, but those produced by Tiffany & Co., OGI Ltd and Peter Suchy are consistently popular. Today, if you’re looking for a round cut version of this piece and are unable to find the perfect match, our selection also includes oval cut and cushion cut alternatives. Finding a 25 carat blue diamond for sale for women should be easy, but there are 1323 pieces available to browse for unisex as well as men, too.

How Much is a 25 Carat Blue Diamond?

On average, a 25 carat blue diamond at 1stDibs sells for $4,612, while they’re typically $27 on the low end and $2,500,000 for the highest priced versions of this item.
Questions About 25 Carat Blue Diamond
  • 1stDibs ExpertSeptember 28, 2021
    The minimum value of a 25-carat diamond ranges from $300 to $1,400. The prices change subject to the fluctuation of market factors. The value is defined based on the 4Cs — color, clarity, cut and carat weight. Shop antique, vintage and new diamond jewelry on 1stDibs.