40 Carats Total Weight Diamonds
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.40 Carat Total Weight Diamond Platinum Engagement Ring
Located in Atlanta, GA
: Antique Single Cut
Carat Weight: .40 Carat Total Weight
Color: F
Clarity: SI
Finger to Top of Stone
Category
Vintage 1910s Unknown Edwardian Engagement Rings
Materials
White Diamond, Platinum
.40 Carat Total Weight Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 6.5
Metal Type: Platinum [Hallmarked, and Tested]
Weight: 3.8 grams
Diamond Details
Category
Vintage 1920s Unknown Art Deco Engagement Rings
Materials
Diamond, Platinum
.40 Carat Total Weight Diamond White Gold Wedding Band
Located in Atlanta, GA
Shape: Antique Single Cut
Carat Weight: .40 carat total weight
Color: G
Clarity: SI1
Finger to Top of
Category
Vintage 1930s Unknown Art Deco Band Rings
Materials
White Diamond, 18k Gold, White Gold
1.34 Carat Diamond Engagement Ring
Located in Cincinnati, OH
!
1.34 total diamond weight
.94 Carat Round G-H VS Diamond
Approximately .40 carat total weight diamonds
Category
2010s American Engagement Rings
Materials
Diamond, 18k Gold
.40 Carat Total Weight Platinum Wedding Band
Located in Atlanta, GA
:
Weight: .40 carat, total weight
Cut: Antique Single Cut
Color: F
Clarity: VS
Finger to Top of Stone
Category
Vintage 1920s Unknown Art Deco Band Rings
Materials
White Diamond, Platinum
.40 Carat Total Weight Rose Cut Diamond Cocktail Ring
Located in Atlanta, GA
Diamond Details:
Weight: .40ct, total weight
Cut: Rose Cut
Color: J
Clarity: VS
Ruby Details:
Weight
Category
Antique 1890s Unknown Victorian Cocktail Rings
Materials
Diamond
.40 Carat Total Weight Art Deco Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 3.25
Metal Type: Platinum [Hallmarked, and Tested]
Weight: 5.5 grams
Diamond Details
Category
Vintage 1920s Unknown Art Deco Engagement Rings
Materials
Diamond, Platinum
.40 Carat Total Weight Art Deco Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 6
Metal Type: Platinum [Hallmarked, and Tested]
Weight: 2.0 grams
Diamond Details
Category
Vintage 1920s Unknown Art Deco Engagement Rings
Materials
Diamond, Platinum
.40 Carat Total Weight Art Deco Diamond Platinum Wedding Band
Located in Atlanta, GA
Ring Size: 5
Metal Type: Platinum [Hallmarked, and Tested]
Weight: 1.5 grams
Diamond Details
Category
Vintage 1930s Unknown Art Deco Wedding Rings
Materials
Diamond, Platinum
.40 Carat Total Weight Art Deco Diamond Platinum Onyx Engagement Ring
Located in Atlanta, GA
:
Weight: .40 carat total weight
Cut: Old European brilliant
Color: F-G
Clarity: VS
Onyx Details:
Weight
Category
Vintage 1930s Unknown Art Deco Engagement Rings
Materials
Diamond, Onyx, Platinum
.40 Carat Total Weight Ruby Yellow Gold Engagement Ring
Located in Atlanta, GA
: Natural Ruby
Shape: Antique Cushion
Carat Weight: .40 carat, total weight.
Color: Red
Side Stone Details
Category
Antique 1890s Unknown Victorian Engagement Rings
Materials
White Diamond, Ruby, 14k Gold, Yellow Gold
Art Deco 3.65 Carat Total Weight Diamond Platinum Earrings
Located in Beverly Hills, CA
One Pair of Art Deco 3.65 Carat Total Weight Diamond Platinum Earrings. Featuring 40 single, old
Category
Vintage 1930s Art Deco Drop Earrings
Materials
Diamond, White Diamond, Gold, Yellow Gold, Platinum
.40 Carat Total Weight Edwardian Diamond 14 Karat Yellow Gold Engagement Ring
Located in Atlanta, GA
Diamond Details:
Weight: .40 carat total weight
Cut: Old European brilliant
Color: I
Clarity: VS-SI
Category
Antique Early 1900s Unknown Edwardian Engagement Rings
Materials
Diamond, Yellow Gold
.40 Carat Total Weight Edwardian Diamond 14 Karat Yellow Gold Engagement Ring
Located in Atlanta, GA
Ring Size: 6.25
Metal Type: 14K Yellow Gold [Hallmarked, and Tested]
Weight: 3.0 grams
Diamond
Category
Antique Early 1900s Unknown Edwardian Engagement Rings
Materials
Diamond, Yellow Gold
.40 Carat Total Weight Victorian Diamond 14 Karat Rose Gold Engagement Ring
Located in Atlanta, GA
Details:
Type: Ruby, Natural
Weight: .40ct, total weight
Cut: Old European brilliant
Color: Red
Diamonds
Category
Antique 1890s Unknown Victorian Engagement Rings
Materials
Diamond, Rose Gold
.40 Carat Diamond and .65 Carat Total Sapphire Ring
Located in Atlanta, GA
Ring Size: 4.25
Metal Type: 14K Yellow Gold [Hallmarked, and Tested]
Weight: 2.6 grams
Diamond
Category
Antique Early 1900s Unknown Edwardian Cocktail Rings
Chaumet 18 Karat Yellow Gold Nugget Style Clip-On Stud Earrings with Diamonds
By Chaumet
Located in Scottsdale, AZ
Natural Diamonds: .40 carat total weight
Diamond count: 24
Diamond cut: Round Brilliant
Diamond color: F-G
Category
20th Century French Contemporary Clip-on Earrings
Materials
Diamond, Gold, 18k Gold, White Gold, Yellow Gold
Free Shipping
W 0.63 in L 0.99 in
1.00 Carat Total Weight Diamond Inside-Outside Hoop Earrings in 14 Karat Gold
Located in Chicago, IL
cut diamonds totaling 1.00 carats are prong set on the outside front and inside, creating a double
Category
2010s Contemporary Hoop Earrings
Materials
Diamond, White Diamond, Gold, 14k Gold, White Gold
Free Shipping
H 0.87 in W 0.75 in Dm 0.87 in
1.00 Carat Total Weight Diamond Inside-Outside Hoop Earrings in 14 Karat Gold
Located in Chicago, IL
diamonds totaling 1.00 carats are prong set on the outside front and inside, creating a double dose of
Category
2010s Contemporary Hoop Earrings
Materials
Diamond, White Diamond, Gold, 14k Gold, Rose Gold
Free Shipping
H 0.87 in W 0.75 in Dm 0.87 in
Diamond Floret Cluster Stud Earrings 3.10 Carat Total Weight in 14k White Gold
Located in La Jolla, CA
. Earrings have posts and butterfly backs.
Total diamond weight is 3.10 carats.
Earrings measure .40 inch in
Category
21st Century and Contemporary North American Stud Earrings
Materials
Diamond, 14k Gold, White Gold
Free Shipping
Dm 0.4 in
40 Carat Diamond Tennis Necklace
By Antinori Fine Jewels
Located in Rome, IT
luxurious 18K white gold. Embrace the allure of 80 round diamonds, totaling an impressive 40.01 carats
Category
2010s Unknown Modern Chain Necklaces
Materials
Diamond, White Diamond, 18k Gold
Oval Horizontal Diamond Pendant, 0.40 Total Carat
By Daniella Design
Located in Cedarhurst, NY
This pendant features and 40 Pointer Oval diamond set horizontally.
The diamond is E Color, SI2
Category
2010s American Pendant Necklaces
Materials
Diamond, 18k Gold
1 Carat Total Weight Diamond Inside-Outside Oval Hoops in 14 Karat White Gold
Located in Chicago, IL
diamonds totaling 1.00 carats are prong set on the outside front and inside, creating a double dose of
Category
2010s Contemporary Hoop Earrings
Materials
Diamond, White Diamond, 14k Gold, White Gold
1 Carat Total Weight Diamond Inside-Outside Oval Hoops in 14 Karat Yellow Gold
Located in Chicago, IL
cut diamonds totaling 1.00 carats are prong set on the outside front and inside, creating a double
Category
2010s Contemporary Hoop Earrings
Materials
Diamond, White Diamond, 14k Gold, Yellow Gold
Golden South Sea Pearl Diamond Drop Earrings .40 Carat 18 Karat Yellow Gold
By Harbor Diamonds
Located in New York, NY
diamonds weighing .40 carats total weight.
Color G-H
Clarity SI
Category
2010s American Contemporary Drop Earrings
Materials
Diamond, South Sea Pearl, Gold
1 Carat Total Weight Diamond Inside-Outside Oval Hoops in 14 Karat Rose Gold
Located in Chicago, IL
cut diamonds totaling 1.00 carats are prong set on the outside front and inside, creating a double
Category
2010s Contemporary Hoop Earrings
Materials
Diamond, White Diamond, Rose Gold, Gold, 14k Gold
.40 Carat Diamond Art Deco Platinum Engagement Ring
Located in Stamford, CT
# US57042003D
6 single cut diamonds, approx. total weight .09cts, F, VS. Color: F to G. Table: 64%. Depth: 57.4
Category
Early 20th Century Engagement Rings
Materials
Diamond, Platinum
Roman Malakov 2.03 Carats Total Cushion Cut Diamond Halo Stud Earrings
By Roman Malakov
Located in New York, NY
A simple and classy stud earrings featuring 2 cushion cut diamonds weighing 2.03 carats total, J
Category
21st Century and Contemporary American Contemporary Stud Earrings
Materials
Diamond, 18k Gold, White Gold
Free Shipping
W 0.33 in L 0.33 in
Art Deco 1.15 Carat Pink Sapphire & .40 Carat Diamond Platinum Ring
Located in Scotts Valley, CA
carat combined total weight with G-H color and VS clarity. The ring has a high polish finish, and weighs
Category
Early 20th Century Art Deco Engagement Rings
Materials
Sapphire, Diamond, Pink Sapphire, Platinum
Vintage Diamond Band Ring, .40 Carat Diamond Milgrain Wedding Band
By Five Star Jewelry
Located in Austin, TX
Total Diamond Weight: .40 Carats
Diamond Shape: Round Brilliant
Diamond Clarity:
Ring Size: 7
Band
Category
21st Century and Contemporary American Modern Wedding Rings
Materials
Diamond, Gold, 14k Gold, White Gold
.40 Carat Amethyst Diamond Rose White Gold Earrings
Located in Stamford, CT
diamonds set in 14k rose and white gold.
8 round rose cut diamonds, approx. total weight .08cts, VS
8
Category
Early 20th Century Lever-Back Earrings
Materials
Amethyst, Diamond, Gold, 14k Gold, Rose Gold, White Gold
.40 Carat Two Row Diamond Platinum Eternity Wedding Band Ring
Located in Stamford, CT
design.
58 full cut diamonds, approx. total weight .40cts, G, VS
Size 6 and not sizable
Platinum
Category
21st Century and Contemporary Band Rings
Materials
Diamond, Platinum
Roman Malakov, 0.82 Total Carat Fancy Color Heart Shape Diamond Pendant Necklace
By Roman Malakov
Located in New York, NY
respectively, set all around the center stone. Yellow round brilliant diamonds weighs 0.12 carats total, VS
Category
21st Century and Contemporary American Contemporary Pendant Necklaces
Materials
Diamond, Yellow Diamond, 18k Gold, Platinum
.40 Carat Diamond Tri Color Gold Band Ring
Located in Stamford, CT
sizable.
8 round diamonds approx. total weight .40cts, G, SI.
Size approx. size 3 ¼
14 white gold
Category
Late 20th Century Band Rings
Materials
Diamond, Gold, 14k Gold, Rose Gold, White Gold, Yellow Gold
.40 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
Brilliant
Carat Weight: .40 carat
Color: F
Clarity: VS1
Side Stone Details:
Shape: Old European
Category
Vintage 1920s Unknown Art Deco Engagement Rings
Materials
White Diamond, Platinum
Diamond Station Necklace 5 Diamonds .40 Carats Two-Tone 14K Gold
By Five Star Jewelry
Located in Austin, TX
total weight of the diamonds is 0.40 carats in G-H color and VS clarity. Made with adjustability in mind
Category
2010s American Contemporary Chain Necklaces
Materials
Diamond, 14k Gold, Yellow Gold, White Gold
.40 Carat Diamond White Gold Pendant
Located in Atlanta, GA
Shape: Round Brilliant
Carat Weight: .40 carat
Color: G
Clarity: VS1
Side Stone Details:
Shape: Round
Category
Early 2000s Unknown Contemporary Pendant Necklaces
Materials
White Diamond, 18k Gold, White Gold
.40 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
Details:
Weight: .40 carat
Cut: Old European Brilliant
Color: H
Clarity: VS
Side Diamond Details:
Weight
Category
Vintage 1920s Unknown Art Deco Engagement Rings
Materials
White Diamond, Platinum
Roman Malakov 2.13 Carat Total Baguette and Round Diamond Wide Fashion Ring
By Roman Malakov
Located in New York, NY
diamonds weigh 0.85 carats total, F Color and VS in Clarity. Round diamonds weigh 1.28 carats total, F-G
Category
21st Century and Contemporary American Contemporary Fashion Rings
Materials
Diamond, 18k Gold, White Gold
Jabel .40 Carats Diamond Yellow White Open Dome Ring
By Jabel
Located in Stamford, CT
diamonds totaling .40cts set in an open dome style ring. Size 6.75.
15 round full cut diamonds, approx
Category
Mid-20th Century Dome Rings
Materials
Diamond, Gold, 18k Gold, White Gold, Yellow Gold
EGL Certified .40 Carat Semi Bezel Channel Set Diamond Engagement Ring
Located in Stamford, CT
diamonds in a platinum setting.
One diamond, approx. total weight .40ct, F, SI2, 4.70 x 4.50 x 2.90mm
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Platinum
Tiffany & Co Elsa Peretti .40 Carat Diamond by the Yard Platinum Bracelet
By Elsa Peretti for Tiffany & Co.
Located in Stamford, CT
, .40 Carat Diamond by the Yard Platinum Bracelet. 5 bezel set round brilliant cut diamonds, G VS approx
Category
21st Century and Contemporary Chain Bracelets
Materials
Diamond, Platinum
.40 Carat Diamond Quartz Onyx Yellow Gold Pendant Necklace
Located in Stamford, CT
Onyx, diamond and quartz pendant necklace. Set in 14k yellow gold and sterling silver set with
Category
Late 20th Century Pendant Necklaces
Materials
Onyx, Quartz, Diamond, Gold, 14k Gold, Yellow Gold, Sterling Silver
.40 Carat Marquise Sapphire Diamond Halo White Gold Engagement Ring
Located in Stamford, CT
. total weight .24cts
8 round diamonds approx. total weight .04cts, G, SI1
1 Marquise cut sapphire approx
Category
Late 20th Century Engagement Rings
Materials
Diamond, Sapphire, Gold, 14k Gold, White Gold
EGL Certified .40 Carat Diamond Old European Cut Platinum Engagement Ring
Located in Stamford, CT
certified.
1 old European cut diamond, approx. total weight .40cts, H, VS2, Depth: 61/3%, Table: 47%. EGL
Category
Early 20th Century Engagement Rings
Materials
Diamond, Platinum
GIA Certified .40 Carat Diamond Engagement Ring
Located in Atlanta, GA
Details:
GIA REPORT#5202199344
Weight: .40 carat
Cut: Old European
Color: H
Clarity: SI2
Side Diamond
Category
Vintage 1930s Unknown Art Deco Engagement Rings
Materials
White Diamond, Platinum
Estate Art Deco Platinum .40 Carat Baguette European Single Cut Diamond Ring
Located in Stamford, CT
. Classic top quality work and material. Circa 1940.
10 single cut diamonds, approx. total weight .11cts
Category
Mid-20th Century More Rings
Materials
Diamond, Platinum
EGL Certified .40 Carat Diamond Gold Filigree Art Deco Engagement Ring
Located in Stamford, CT
original 18k white gold setting.
1 transitional cut diamond, approx. total weight .40cts E - F, SI1, EGL
Category
Vintage 1930s Bridal Rings
Materials
Diamond, Gold, 18k Gold, White Gold
40 Carats Diamonds Cuban Two-Tone Necklace Chain 14 Karats Gold 22''
Located in Great Neck, NY
40 Carats Total Weight Heavy Gold Cuban Necklace Chain 14 Karats Gold
22 inch, 15 mm wide, Average
Category
2010s American Chain Necklaces
Materials
Diamond, White Diamond, Gold, 14k Gold, Rose Gold, White Gold
40 Carats Diamonds Cuban Two-Tone Necklace Chain 14 Karats Gold 22''
Located in Great Neck, NY
40 Carats Total Weight Heavy Gold Cuban Necklace Chain 14 Karats Gold
22 inch, 15 mm wide, Average
Category
2010s American Chain Necklaces
Materials
Diamond, White Diamond, Gold, 14k Gold, Rose Gold, White Gold
.40 Carat Round Diamond Two Tone Gold Double Rope Buckle Bracelet
Located in Stamford, CT
white gold buckle and V tip. set with 31 single cut pave set diamonds totaling .34cts. One single
Category
Mid-20th Century Chain Bracelets
Materials
Diamond, Gold, 14k Gold, White Gold, Yellow Gold
EGL Certified .40 Carat Brown Diamond White Gold Evil Eye Pendant Necklace
Located in Stamford, CT
Evil eye style brown diamond pendant necklace. EGl certified as fancy dark orangy brown marquise
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, Brown Diamond, Gold, 14k Gold, White Gold
.40 Carat Diamond Floret Wedding Anniversary Stacking Band 14 Karat White Gold
Located in Lambertville , NJ
A Unique Diamond Anniversary Ring features Round Brilliant Diamonds of 0.40 Carat total weight set
Category
2010s American Contemporary Band Rings
Materials
Diamond, White Diamond, 14k Gold, White Gold
.40 Carat Art Deco Diamond Platinum Engagement Ring
Located in Atlanta, GA
Diamond Details:
Weight: .40 Carat
Cut: Old European Brilliant
Color: J
Clarity: VS1
Side Diamond Details
Category
Vintage 1920s Unknown Art Deco Engagement Rings
Materials
White Diamond, Platinum
Tiffany & Co. Platinum .40 Carat Diamond Engagement Ring
By Tiffany & Co.
Located in Los Angeles, CA
brilliant diamond, carat total weight .40ct, Color I, Clarity VS1
Hallmark: ©TIFFANY&Co. PT950 20004568
Category
2010s American Engagement Rings
Materials
Diamond, Platinum
Tiffany & Co. Platinum .40 Carat Diamond Engagement Ring
By Tiffany & Co.
Located in Los Angeles, CA
brilliant diamond, carat total weight .40ct, G Color, VVS1 Clarity
Hallmark: ©TIFFANY&Co. PT950 60915458
Category
2010s American Engagement Rings
Materials
Diamond, Platinum
GIA Certified 3 Carat Center VVS1 -D Emerald Cut Diamond Ring 8.3 Carats Total
Located in Tustin, CA
.
Total carat weight of ring is approximately 8.3 carats total diamond weight.
Face of ring measures 19.9
Category
2010s American Contemporary Cocktail Rings
Materials
White Diamond, Pink Diamond, 18k Gold, White Gold
Estate Diamond Bracelet 23.91 Total Carats 4.36 Cushion Center GIA Cert
Located in Wailea, HI
the wrist in a cascade of light. The 40 Round Diamonds totaling 6.80 carats, 20 Round Diamonds
Category
Early 20th Century Retro Bracelets
Materials
Diamond, Platinum
.40 Carat Art Deco Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 8.5
Metal Type: Platinum [Hallmarked, and Tested]
Weight: 4.0 grams
Center Diamond
Category
Vintage 1920s Unknown Art Deco Engagement Rings
Materials
Diamond, Platinum
Tiffany & Co. Platinum .40 Carat Diamond Engagement Ring 4.5
By Tiffany & Co.
Located in Los Angeles, CA
brilliant diamond, carat total weight .40ct, G Color, VS1 Clarity
Hallmark: ©TIFFANY&Co. Pt950 69871755
Category
2010s American Engagement Rings
Materials
Diamond, Platinum
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40 Carats Total Weight Diamonds For Sale on 1stDibs
There is a broad range of 40 carats total weight diamonds for sale on 1stDibs. All of the items for sale were constructed with extraordinary care, often using gold, white gold and 18k gold. Our collection of these items for sale includes 1595 vintage editions and 1507 modern creations to choose from as well. Our inventory has long been popular, and it includes earlier versions that date to the 18th Century and newer variations that were made as recently as the 21st Century. Pieces in our collection of 40 carats total weight diamonds made by contemporary jewelers — as well as those associated with modern — are very popular. Many examples in our inventory of these items are appealing no matter their origins, but Tiffany & Co., Five Star Jewelry and Alexander Beverly Hills produced popular versions that are worth a look. A selection of round cut, oval cut and brilliant cut can be found today on these pages. There aren’t many items for men in our collection of 40 carats total weight diamonds, as most of the options available are for women.
How Much are 40 Carats Total Weight Diamonds?
On average, 40 carats total weight diamonds at 1stDibs sell for $3,645, while they’re typically $1 on the low end and $1,950,000 for the highest priced versions of this item.