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Asch Grossbardt 18KT YG .40 Ct Diamond & Inlaid Stone Hanging Earrings
By Asch Grossbardt
Located in New York, NY
diamond circle. Total length 1-3/4" 40 diamonds = 0.40 carats Stamped Asch Grossbardt 18K
Category

Early 2000s American Contemporary Clip-on Earrings

Materials

Coral, Diamond, Lapis Lazuli, Malachite, Onyx, Jasper, 18k Gold, Yellow ...

AIG Certified 1.50 Carats Colombia Emerald GIA Certified .40 Ct Diamond Ring
Located in Massafra, IT
certified diamond of 0,40 carats D/VS1, and around diamonds in round brilliant cut of 0,39 carats,F/VS
Category

21st Century and Contemporary Fashion Rings

Materials

Diamond, Emerald, 18k Gold

Art Deco 1.20 Ct Natural Sapphire .40 Ct Diamond Three Stone Gent 18 KT Ring
Located in Napoli, IT
experts Complementary Diamonds are .40 Ct of early brilliant cut full of sparkle assessed G /VVS Top of
Category

Vintage 1930s Italian Art Deco Signet Rings

Materials

Diamond, Sapphire, 18k Gold

14 Karat Yellow Gold Diamond Stud Earrings .40 Ct. Twt
Located in Washington Depot, CT
14 Karat Yellow Gold Diamond Stud Earrings .40 ct. twt.- These sparkling earrings each feature one
Category

20th Century Stud Earrings

Materials

Diamond, Yellow Gold

14 Karat Yellow Gold Diamond Stud Earrings .40 TCW. #14873
Located in Washington Depot, CT
. Screw back closures. Approximate total diamond weight: .40 ct. Diamond color: K Diamond clarity: SI1
Category

20th Century Stud Earrings

Materials

White Diamond, Gold, 14k Gold, Yellow Gold

14 Karat Yellow Gold Diamond Stud Earrings .40 tcw.
Located in Washington Depot, CT
diamond weight: .40 ct. Diamond clarity: I1 Diamond color: I-J Size: 4 mm Weight: 0.4 dwt. / 0.7 gr
Category

20th Century Stud Earrings

Materials

Diamond, Yellow Gold

14 Karat White Gold Diamond Wedding Band
Located in Washington Depot, CT
weight: .40 ct. Diamond color: H-J Diamond clarity: SI1 Ring Size: 7 Weight: 2.3 dwt. / 3.6 gr
Category

20th Century Bridal Rings

Materials

Diamond, White Gold

14 Karat White Gold Round Brilliant Diamond Wedding Band
Located in Washington Depot, CT
diamond weight: .40 ct. Diamond color: H Diamond clarity: SI1 Ring Size: 5 Weight: 1.5 dwt. / 2.4 gr
Category

20th Century Wedding Rings

Materials

Diamond, White Gold

14 Karat White Gold Diamond Hinged Hoop Earrings
Located in Washington Depot, CT
diamond weight: .40 ct. Diamond color: I Diamond clarity: I1-I2 Size: 17 mm Weight: 1.8 dwt. / 2.8 gr
Category

20th Century Hoop Earrings

Materials

White Gold

14 Karat Yellow Gold Diamond Stud Earrings
Located in Washington Depot, CT
: .40 ct. Diamond color: H-I Diamond clarity: I1 Size: 4 mm Weight: 0.4 dwt. / 0.7 gr. Tested
Category

20th Century Stud Earrings

Materials

Diamond, Yellow Gold

14 Karat White Gold and Diamond Ring
Located in Washington Depot, CT
diamond weight: .40 ct. Diamond color: G Diamond clarity: SI1 Ring Size: 7.25 Weight: 2.3 dwt
Category

20th Century Cluster Rings

Materials

Diamond, White Gold

18 Karat White Gold and Diamond Hoop Earrings
Located in Washington Depot, CT
: .40 ct. Diamond color: H-K Diamond clarity: VS2 Size: 14 mm x 5 mm Weight: 3.6 dwt. / 5.6 gr
Category

20th Century Hoop Earrings

Materials

Diamond, White Gold

18 Karat White Gold and Diamond Hoop Earrings
18 Karat White Gold and Diamond Hoop Earrings
Free Shipping
W 0.56 in L 0.2 in
14 Karat White Gold Diamond Wedding/Anniversary Ring
Located in Washington Depot, CT
total diamond weight: .40 ct. Diamond color: H-J Diamond clarity: SI1-VS1 Ring Size: 6.25 Weight
Category

20th Century Wedding Rings

Materials

Diamond, White Gold

Brilliant Cut Diamond, .40 ct. Solitaire in White Gold, American.
Located in Aspen, CO
Brilliant cut diamond graded by our internal gemologist as being a .40 ct. diamond, faint color and
Category

21st Century and Contemporary North American Contemporary Bridal Rings

Materials

Diamond, White Gold

18 Karat White Gold and Diamond Ring
Located in Washington Depot, CT
. Approximate total diamond weight: .40 ct. Diamond color: I Diamond clarity: I1-I2 Ring Size: 6.75
Category

20th Century Fashion Rings

Materials

Diamond, White Gold

14 Karat White Gold and Diamond Wedding Band
Located in Washington Depot, CT
. Approximate total diamond weight: .40 ct. Diamond color: H-I Diamond clarity: SI1-SI2 Ring Size: 10.25
Category

20th Century Wedding Rings

Materials

Diamond, White Gold

14 Karat White Gold and Diamond Buckle Ring Size 6.5 #14474
Located in Washington Depot, CT
gold. Width: 9 mm. Shank: 3 mm. Approximate total diamond weight: .40 ct. Diamond color: I
Category

20th Century Engagement Rings

Materials

White Diamond, Gold, 14k Gold, White Gold

14 Karat Yellow Gold Diamond Pendant
Located in Washington Depot, CT
diamonds set in classic 14K yellow gold. Approximate total diamond weight: .40 ct. Diamond color: G-H
Category

20th Century Pendant Necklaces

Materials

Diamond, Yellow Gold

14 Karat Yellow Gold Diamond Pendant
14 Karat Yellow Gold Diamond Pendant
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W 0.44 in L 0.44 in
14 Karat White Gold and Diamond Wedding Band
Located in Washington Depot, CT
weight: .40 ct. Diamond color: H-I Diamond clarity: SI1-SI2 Ring Size: 6.25 Weight: 1.6 dwt
Category

20th Century Wedding Rings

Materials

Diamond, 14k Gold, White Gold

14 Karat White Gold Diamond Engagement Ring
Located in Washington Depot, CT
European cut round diamond weighing approximately .40 ct. Diamond color: K-L Diamond clarity: VS1-VS Set in
Category

20th Century Engagement Rings

Materials

Diamond, 14k Gold, White Gold

14 Karat White Gold and Diamond Wedding Band
Located in Washington Depot, CT
. Width: 3 mm. Approximate total diamond weight: .40 ct. Diamond color: G-I Diamond clarity: SI1-SI2
Category

20th Century Wedding Rings

Materials

Diamond, White Gold

18 Karat White Gold Sapphire and Diamond Ring
Located in Washington Depot, CT
weight: .76 ct. Sapphire clarity grade: AAA Total diamond weight: .40 ct. Diamond color: F-G
Category

20th Century Fashion Rings

Materials

Diamond, Sapphire, White Gold

Vintage 14 Karat Yellow Gold Diamond Stud Earrings #15527
Located in Washington Depot, CT
. Approximate total diamond weight: .40 ct. Diamond clarity: VS2 Diamond color: H Size: 5.8 mm Stamped: 14K
Category

20th Century Stud Earrings

Materials

Diamond, 14k Gold, Yellow Gold

18 Karat Yellow Gold and Diamond Band Ring
Located in Washington Depot, CT
total diamond weight: .40 ct. Diamond clarity: VS1 Diamond color: F Size: 5.25 Weight: 1.9 dwt
Category

20th Century Band Rings

Materials

Diamond, Yellow Gold

14 Karat Yellow Gold Diamond Wedding Band Ring 7.5
Located in Washington Depot, CT
total diamond weight: .40 ct. Diamond color: H-I Diamond clarity: SI1-I1 Ring Size: 7.5 Weight: 2.5
Category

20th Century Band Rings

Materials

Diamond, Yellow Gold

10 Karat White Gold and Diamond Pendant #14915
Located in Washington Depot, CT
diamond weight: .40 ct. Diamond clarity: si2-I1 Diamond color: I Size: 19 mm x 10 mm Weight: 1.1
Category

20th Century Pendant Necklaces

Materials

White Diamond, Gold, 10k Gold, White Gold

14 Karat Yellow Gold and Diamond Huggie Earrings #15577
Located in Washington Depot, CT
: .40 ct. Diamond clarity: I1 Diamond color: K-M Size: 16.3 mm x 5.0 mm Stamped: 14K Weight: 4.5
Category

20th Century Drop Earrings

Materials

Diamond, 14k Gold, White Gold

14 Karat White Gold and Diamond Buckle Ring Size 6.5
Located in Washington Depot, CT
. Approximate total diamond weight: .40 ct. Diamond color: I Diamond clarity: I1-I2 Size: 6.5 Weight: 4.2 gr
Category

20th Century Cocktail Rings

Materials

Diamond, White Gold

10 Karat Yellow Gold and Diamond Ring
Located in Washington Depot, CT
: 1.5 mm. Approximate total diamond weight: .40 ct. Diamond clarity: SI1 Diamond color: H-I Ring
Category

20th Century Band Rings

Materials

Diamond, Yellow Gold

14 Karat White Gold and Diamond Huggie Hoop Earrings #15643
Located in Washington Depot, CT
weight: .40 ct. Diamond clarity: I1-I2 Diamond color: I Size: 11.2 mm x 5.2 mm Stamped: 14K
Category

Late 20th Century Hoop Earrings

Materials

Diamond, 14k Gold, White Gold

18 Karat White Gold and Diamond Heart Dangle Earrings #15269
Located in Washington Depot, CT
. Approximate total diamond weight: .40 ct. Diamond clarity: SI1 Diamond color: J-K Size: 35 mm x 9.4 mm
Category

20th Century Dangle Earrings

Materials

White Diamond, Gold, 18k Gold, White Gold

14 Karat White/Yellow Gold Diamond Hoop Earrings
Located in Washington Depot, CT
yellow gold. Width: 3 mm. Approximate total diamond weight: .40 ct. Diamond color: K-M Diamond
Category

20th Century Hoop Earrings

Materials

Diamond, Yellow Gold

14 Karat White/Yellow Gold Diamond Hoop Earrings
14 Karat White/Yellow Gold Diamond Hoop Earrings
Free Shipping
W 0.63 in L 0.87 in
14 Karat White Gold and Diamond Wedding Band Ring
Located in Washington Depot, CT
. Approximate total diamond weight: .40 ct. Diamond color: G Diamond clarity: VS1 Ring Size: 6.25-6.5 Weight
Category

20th Century Wedding Rings

Materials

Diamond, White Gold

18 Karat Yellow Gold and Diamond Wedding/Anniversary Band Ring Size 7
Located in Washington Depot, CT
. Approximate diamond weight: .40 ct. Diamond color: F Diamond clarity: VS1 Size: 7 Weight: 2.2 dwt
Category

20th Century Band Rings

Materials

Diamond, Yellow Gold, 18k Gold

18K White Gold Blue Topaz and Diamond Necklace #16721
Located in Washington Depot, CT
. Total topaz weight: 7.79 ct. Total diamond weight: .40 ct. Diamond color: G-H Diamond clarity: VS1
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Blue Topaz, 18k Gold, White Gold

14K White Gold Lab Created Sapphire and Diamond Bracelet #17071
Located in Washington Depot, CT
white gold filigree. Width: 4.6 mm. Approximate total diamond weight: .40 ct. Diamond color: F
Category

20th Century Link Bracelets

Materials

Diamond, 14k Gold, White Gold

14 Karat Yellow Gold and Diamond Band Ring Size 7 #15208
Located in Washington Depot, CT
-06". Approximate total diamond weight: .40 ct. Diamond color: H-I Diamond clarity: SI1-I1 Ring
Category

20th Century Band Rings

Materials

White Diamond, Gold, 14k Gold, Yellow Gold

10 Karat White Gold Diamond and Lab Created Sapphire Ring
Located in Washington Depot, CT
gold filigree. Width: 21 mm. Shank: 1 mm. Approximate total diamond weight: .40 ct. Diamond
Category

20th Century Cocktail Rings

Materials

Diamond, Sapphire, White Gold

Platinum Natural Sapphire and Diamond Ring
Located in Washington Depot, CT
. One sapphire is chipped - not noticeable to naked eye. Approximate total diamond weight: .40 ct
Category

20th Century Fashion Rings

Materials

Diamond, Sapphire, Platinum

18 Karat Yellow Gold Genuine Tanzanite and Diamond Pendant #16962
Located in Washington Depot, CT
weight: .40 ct. Diamond color: G Diamond clarity: SI1 Size: 24 mm x 10 mm Weight: 1.8 dwt
Category

21st Century and Contemporary Pendant Necklaces

Materials

White Diamond, Tanzanite, Gold, 18k Gold, Yellow Gold

18K White Gold Pink and Yellow Sapphire and Diamond Ring Size 7 #14219
Located in Washington Depot, CT
sapphire weight: .40 ct. Total yellow sapphire weight: .48 ct. Total diamond weight: .40 ct. Diamond
Category

20th Century Cocktail Rings

Materials

Diamond, Yellow Sapphire, White Gold

18 Karat Yellow White Gold Blue Topaz and Diamond Pendant Necklace #16964
Located in Washington Depot, CT
Approximate total diamond weight: .40 ct. Diamond color: G-H Diamond clarity: VS1 -VS2 Size: 39 mm x 22 mm
Category

21st Century and Contemporary Pendant Necklaces

Materials

White Diamond, Blue Topaz, Gold, White Gold, Yellow Gold

Victorian 1.55 Ct Natural Ruby .40 Ct Old Diamond 18 KT Ring
Located in Napoli, IT
– guaranteed beautiful quality Four old mine cut diamonds – approx .40 Ct rated as G VVS/VS 1880 ca , totally
Category

Antique Late 19th Century British Victorian Engagement Rings

Materials

Diamond, Ruby, 18k Gold

Diamond Tennis Bracelet 18k White Gold Diamond 6.14 Ct/40 Pcs
By Natkina
Located in Montreux, CH
BRACELET 18K White Gold Diamond 6.14 Cts/40 Pcs
Category

Mid-20th Century Tennis Bracelets

Materials

Diamond, White Gold

Vintage 14.90 Ct Emerald 2.80 Ct Diamond Ring
Located in Napoli, IT
circa 1930/40 Hand constructed of solid 18 Kt gold with silver portions for the Diamonds housing
Category

Vintage 1930s European Art Deco Cluster Rings

Materials

Diamond, Emerald, 18k Gold

Original Art Deco Ring with Diamonds Approx 0, 40 Ct
Located in AMSTERDAM, NL
with a Bolshevik cut diamond approx 0.20 ct H/SI and decorated with 20 octagon cut diamonds approx
Category

Vintage 1920s French Art Deco Cocktail Rings

Materials

Diamond, 18k Gold

ct 2, 40 Diamonds and ct 3, 62 Emeralds Rubies Pearl Gold Cocktail Ring
Located in Marcianise, Marcianise (CE)
diamonds, rubies, blue sapphires and a gold flower with blue sapphires surround the central pearl. Diamonds
Category

1990s Italian Cocktail Rings

Materials

Blue Sapphire, Ruby, South Sea Pearl, Diamond, Yellow Gold, White Gold, ...

Tiffany & Co. Elsa Peretti Diamonds by the Yard Bracelet 40 ct
By Tiffany & Co.
Located in New York, NY
’’ -Diamonds: 40ct -Yards: 7 pcs, 5.5mm -Comes with Tiffany box
Category

21st Century and Contemporary Link Bracelets

Materials

Diamond

Ct 16, 40 of Burma Rubies and Diamonds on Earrings
Located in Massafra, IT
diamonds ct 3,85 F/VS. Top quality. Handmade Jewels.
Category

21st Century and Contemporary Art Deco Dangle Earrings

Materials

18k Gold

Art Deco 14.0 Ct Natural Sapphire 1.0 Ct Diamond Drop Earrings
Located in Napoli, IT
These superbly designed late Art Deco Diamond and Sapphire earrings are 1935/40 circa Exquisitely
Category

Vintage 1930s European Art Deco Dangle Earrings

Materials

Diamond, Sapphire, 14k Gold

Victorian Rare Turquoise .40 Ct Old Mine Diamond 18 KT Locket Pendant
Located in Napoli, IT
Centring an old mine cut Diamond of .40 Ct of deep chunky cut rated H colour VS/SI for what we can see
Category

Antique Late 19th Century European Victorian Pendant Necklaces

Materials

Diamond, Turquoise, 18k Gold

Ct 32, 40 of Zambia Emeralds and Diamonds on Necklace in Gold
Located in Massafra, IT
Stunning design for this incredible necklace in 18k gold with natural Zambia emeralds of ct 20,22
Category

21st Century and Contemporary Italian Art Deco Multi-Strand Necklaces

Materials

Diamond, Emerald, 18k Gold

GIA Certified 3.28 Ct Vivid Blue Cushion Cut Ceylon Sapphire Ring in 18k ref544
By Diamond Town
Located in New York, NY
sapphire at its heart, encircled by a radiant halo of round white diamonds. Certification details can be
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

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

Art Deco .40 Ct Old Mine Diamond Platinum 18 KT gold Stud Earrings
Located in Napoli, IT
mine cut Diamonds of .40 Ct for both excellent rating of G VVS/VS – bright white full of sparkle
Category

Vintage 1920s European Art Deco Stud Earrings

Materials

Diamond, Gold, Platinum

Vintage English 1.30 Ct Colombian Emerald 1.60 Ct Diamond Cluster Ring
Located in Napoli, IT
cushion cut natural Colombian emerald of approx 1.30 Ct (6.90 x 6.24 mm.) – 14 brilliant cut diamonds
Category

Vintage 1930s British Art Deco Cluster Rings

Materials

Diamond, Emerald, 18k Gold

Certified Ct 4, 40 of Ceylon Sapphire and Diamonds on Pendant
Located in Massafra, IT
So chic and glamour design in 18k gold with Ceylon sapphire ct 3 and natural diamonds 💎 ct 1,40 of
Category

21st Century and Contemporary More Jewelry

Ring with 0.68 Ct of Diamonds, N° 40 Diamonds, the Ring is an Elastic Spiral
Located in Rome, IT
Ring is an elastic spiral model, and is formed by a row of 40 brilliant cut diamonds of total carat
Category

21st Century and Contemporary Italian Modern Fashion Rings

Materials

Diamond, 18k Gold, White Gold

Art Deco 48.83 Ct Aquamarine 4.25 Ct Diamond Rare 18 Kt /Plat Necklace
Located in Napoli, IT
work Amazing workmanship Diamonds are 38 rose cut and 121 round cut diamonds totalling approx 4.25 Ct
Category

Vintage 1930s European Art Deco Link Necklaces

Materials

Aquamarine, Diamond, 18k Gold, Platinum

PHILIPPE SPENCER .40 Ct. Yellow Diamond in 22K and 20K Gold Solitaire Ring
By PHILIPPE SPENCER
Located in Key West, FL
PHILIPPE-SPENCER - .40 Ct. Natural Yellow Rose Cut Diamond wrapped in 22K Gold Bezel with Solid
Category

21st Century and Contemporary American Artisan Solitaire Rings

Materials

Yellow Diamond, Gold, 22k Gold

Art Deco Cert. 2.51 Ct Natural No Ceylon Sapphire 1.20 Ct Diamond Ring
Located in Napoli, IT
(unheated) Ceylon sapphire of 2.51 Ct (9.1 x 7.3 mm.) – 34 old brilliant cut diamonds totalling approx 1.20
Category

Vintage 1930s European Art Deco Cluster Rings

Materials

Diamond, Sapphire, 18k Gold, Platinum

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40 Ct Diamond For Sale on 1stDibs

On 1stDibs, you can find the most appropriate 40 ct 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. You can easily find a 64 antique edition and 52 modern creations to choose from as well. Making the right choice when shopping for a 40 ct 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. For this particular accessory, there are many different carat weights to choose from, but .5 Carat and 1 Carat versions are of considerable interest. Finding an appealing 40 ct diamond — no matter the origin — is easy, but LB Exclusive, Sarosi By Timeless Gems and Bulgari each produced a popular version that is worth a look. A round cut version of this piece has appeal, but there are also oval cut and cushion cut versions for sale. Most of our 40 ct diamond for sale are for women, but there are 29 pieces available to browse for men.

How Much is a 40 Ct Diamond?

The price for a 40 ct diamond starts at $144 and tops out at $109,500 with these rings, on average, selling for $3,551.