3 Carat Cushion Lab Diamond
GIA Certified 3/4 Carat Cushion Cut Platinum Pendant
By Lili Jewelry
Located in New York, NY
3/4 ct Diamond set in 4 prong low basket. 18" platinum chain with a safety lock. Diamond quality
Category
21st Century and Contemporary American Contemporary Pendant Necklaces
Materials
Diamond, Platinum
3.02 Carat Cushion Cut Burma Ruby & Round Diamond Ring in Platinum & 18K Gold
By Gad & Co.
Located in Miami, FL
3.02 carat cushion cut Ruby and round diamond ring. The 3-carat center stone is certified by
Category
2010s Burmese Modern Cocktail Rings
Materials
Ruby, Diamond, Platinum, Yellow Gold, 18k Gold
Certified 3 Carat Cornflower Blue Sapphire Diamond Ring 'Natural & Untreated'
Located in London, GB
carats
Conflict free diamonds. Weight of diamonds: 0.68 carats
Metal: Platinum
Certificate: French Gem
Category
2010s Unknown Art Nouveau Engagement Rings
Materials
Blue Sapphire, Sapphire, Diamond, Platinum
Magnificent and Large Natural Morganite Cushion & Diamond Halo Pendant
Located in New York, NY
well-cut 26X20MM cushion morganite has an excellent peachy pink color (over 35 carats of AAA quality
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, Morganite
GIA & GRS Certified 3 Carat Burmese No Heat Ruby Earrings. "Pigeon Blood" Red
Located in London, GB
: F/G colour
Weight of diamonds: approx 2 - 3 carats
Metal: white and yellow gold
Certificates
Category
Late 20th Century English Art Deco Drop Earrings
Materials
Diamond, Ruby, 18k Gold
71.00 Carat Sapphire, 10.00 Carat Natural Diamonds, Statement Necklace
Located in Ramat Gan, IL
gorgeous collier includes 71.00 carat lab corundum sapphire and 6.00 carat natural diamonds.
Sapphire
Category
2010s Israeli Art Deco Choker Necklaces
Materials
Diamond, Sapphire, 14k Gold, 18k Gold
Antique 2.46 Carat Ceylon Sapphire and Diamond 18k White Gold Dress Ring
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive antique 2.46 carat cushion cut blue sapphire and 0.38 carat diamond, 18 karat
Category
20th Century Unknown Cocktail Rings
Materials
Diamond, Sapphire, 18k Gold, White Gold
14k Morganite & Diamond Dazzling Pendant 19.07 Carat
Located in New York, NY
14K rose gold pendant featuring 0.60 carats of round brilliant cut white diamonds and 19.07 oval
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, Morganite
Sapphire 4.04 Carat AGL Certified No-Heat Madagascar Origin, Eye-Clean, Mounted
Located in Southbury, CT
. Blue sapphires from Mozambique are significantly more desirable. This same seller offers a 3-carat
Category
2010s Contemporary Engagement Rings
Materials
Diamond, Sapphire, 14k Gold
Vintage 1.52ct Ceylon Blue Sapphire and 0.68ct Diamond Platinum Dress Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning and impressive vintage 1.52 carat Ceylon sapphire and 0.68 carat diamond, platinum dress
Category
20th Century Engagement Rings
Materials
Diamond, Sapphire, Platinum
Orloff of Denmark, 3 ct Natural Zircon Ring in 925 Sterling Silver
Located in Hua Hin, TH
+ 1 + 1 = 3 carats total.
Stone Origin: Ratanakiri, Cambodia
Stone Shape: Cushion
Crown: Brilliant
Category
2010s Thai Contemporary Three-Stone Rings
Materials
Zircon, Blue Zircon, Silver, Sterling Silver
14k Gorgeous Cocktail Ring with Tanzanite and Diamond
Located in New York, NY
Shape : Cushion Modified Brilliant
►Tanzanite Clarity: Eye Clean
►Natural White Diamonds Weight : 0.50
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, Tanzanite, 14k Gold
Certified Gem-Set Emeralds, Rubies, Sapphires, Diamonds ‘Tutti Frutti’ Bracelet.
Located in OVIEDO, AS
gamut from blue, yellow sapphires and rubies to emeralds and diamonds. Approximately 8.5 carats of color
Category
Vintage 1970s European Modern Tennis Bracelets
Materials
Diamond, Emerald, Ruby, Sapphire, 14k Gold
Free Shipping
L 6.7 in
Sapphire and Diamond Cluster Ring
Located in London, GB
A sapphire and diamond cluster ring, the cushion-cut sapphire weighing 8.32 carats accompanied by
Category
2010s British Modern Cluster Rings
Materials
Diamond, Sapphire, Platinum
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1.62 Carat "Cornflower" Blue Sapphire and White Diamond Gold Three-Stone Ring
Located in Hong Kong, HK
1.62 Carat "Cornflower" Blue Sapphire and White Diamond Gold Three-Stone Ring:
A gorgeous ring, it features an elegant octagon-cut natural Ceylon cornflower blue sapphire weighing 1...
Category
21st Century and Contemporary Hong Kong Contemporary Three-Stone Rings
Materials
White Diamond, Blue Sapphire, Gold
Un-Heated Art Deco 4.35 Carat Ruby Ring with Authentic Old Cut Diamonds 18k Gold
Located in Bangkok, TH
Introducing a stunning Art Deco masterpiece, a striking statement ring that showcases a remarkable 4.35 Carat unheated Ruby. Its perfect cushion shape and captivating red color exude...
Category
21st Century and Contemporary Asian Art Deco Wedding Rings
Materials
Diamond, Ruby, Yellow Gold, 18k Gold
1.00CT Cushion Cut Round White Diamond Cluster 18Karat White Gold Chain Pendant
Located in London, GB
A gorgeous 1.00ct claw set Cushion Cut pendant, inlaid with various size diamonds this pendant has a unique studded finish that really captures the light. Set in 18ct White Gold whic...
Category
2010s British Modern Pendant Necklaces
Materials
White Diamond, 18k Gold, White Gold, Gold, Rose Gold, Yellow Gold
Burmese Ruby 3.34ct and Diamond Gold Ring, Georgian, ca. 1800
Located in Idar-Oberstein, DE
Beautiful Burmese Ruby and Diamond Gold Ring, Georgian, ca. 1800.
The unheated cushion-shaped Burmese ruby, 3.34cts, set within naturalistic trellis work, filled with 16 old-cut dia...
Category
Antique Early 19th Century British Georgian Solitaire Rings
Materials
Diamond, Ruby, Gold
Emilio Jewelry Certified No Heat 6.70 Carat Cornflower Blue Sapphire Ring
By Emilio!
Located in New York, NY
From the vault at Emilio Jewelry New York,
A truly special no heat ceylon sapphire, a super gem quality stone with excellent clarity, cut, and brilliance. The color has been officia...
Category
21st Century and Contemporary Three-Stone Rings
Materials
Blue Sapphire
3.18 Carat Unheated Blue Sapphire (Ceylon) Engagement Ring GRS Certified
Located in Hong Kong, Hong Kong
Breathtaking Ceylon (Sri Lanka) Sapphire and diamond ring.
Set with an oval-shaped sapphire weighing 3.18 carats, framed with diamonds totaling 1.91 carats and mounted in 18k white ...
Category
2010s Hong Kong Contemporary Cocktail Rings
Materials
Blue Sapphire, Diamond, 18k Gold
New Platinum 1.71ctw GIA Emerald Cut Diamond & Sapphire 3 Stone Engagement Ring
Located in Montclair, NJ
Here we have a incredible, brand new, custom made diamond and sapphire three stone engagement ring crafted in solid platinum. It features a gorgeous, GIA certified, 0.91 carat emeral...
Category
2010s American Engagement Rings
Materials
Diamond, Sapphire, Platinum
5 Carat No Heat Burma Ruby Diamond Ring
By Diamond Scene New York
Located in New York, NY
A RARE FIND!!!
Unheated 5.29 carat "Pigeon's Blood" Red Ruby from Mogok, Burma.
Burma has long been recognized as the location associated with the most desirable rubies in the wo...
Category
21st Century and Contemporary Cocktail Rings
Materials
Ruby
3.05 Carat Emerald Cut Natural Loose Open Green Loose Tourmaline Ring Gemstone
Located in Peshawar, PK
Loose Tourmaline
Weight: 3.05 Carats
Dimension: 10.3x6.3x5.4 Mm
Origin: Kunar Afghanistan
Shape: Emerald
Color: Green
Treatment: Non
Certificate: On Customer Demand
Tourmaline i...
Category
21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones
Materials
Tourmaline
Free Shipping
W 0.25 in D 0.22 in L 0.41 in
Natural Burma No Heat Ruby Ring, by Gübelin, SSEF Certified
By Gubelin
Located in Idar-Oberstein, DE
Natural Burmese ruby and diamond ring made by the famous Swiss jewellery house Gübelin.
Set in platinum with an antique cushion-shaped ruby weighing ca. 2.4ct, between two bright and...
Category
20th Century German Engagement Rings
Materials
Ruby, Platinum
Authentic Tiffany & Co. Burma Ruby Diamond Halo Ring
By Tiffany & Co.
Located in Rome, IT
Natural 2.45 ct Oval Cut "Pigeon Blood" Vivid Red (the rarest of ruby color) Color.
There are two Natural Pear Brilliant Cut side Diamonds: 0.36 ct, E in color, VS1 clarity, Excelle...
Category
2010s American Contemporary Engagement Rings
Materials
Ruby, White Diamond, Diamond, Platinum
Art Deco Burmese Ruby and Diamond Ring, 1920s
Located in Idar-Oberstein, DE
Wonderful Art Deco ring set with an intense vivid red Burma ruby (approx. 2ct).
Old cut and calibré cut diamonds are placed in a dome shape setting around the ruby.
Total diamonds ...
Category
Vintage 1910s Unknown Art Deco Dome Rings
Materials
Diamond, Ruby, White Gold
Grey Violet Spinel Ring 6.18 Carat Emerald Cut
By Merkaba
Located in Beverly Hills, CA
Exceptional 6.18 carat, flawless Grey-Purple Spinel emerald-cut platinum ring, decorated with a total of 0.64 carat round brilliant collection diamonds.
Ring size 6. Resizing is comp...
Category
21st Century and Contemporary American Contemporary Cocktail Rings
Materials
Spinel, Multi-gemstone, White Diamond, Diamond, Platinum
Edwardian Platinum 1.00 Carat Sapphire and Diamond 3-Stone Ring
Located in Narberth, PA
A beautiful diamond and sapphire three stone ring from the Edwardian (ca1910s) era! This stunning piece is crafted in solid platinum and features a sapphire center with two sparkling...
Category
Vintage 1910s Unknown Edwardian Three-Stone Rings
Materials
Diamond, Blue Sapphire, Platinum
Ceylon Blue Sapphire and Diamond Ring
By Diamond Scene New York
Located in New York, NY
A STUNNING Ceylon Blue Sapphire set in a custom diamond mounting.
7.53 carat Ceylon Blue Sapphire
2.81 carats of white round brilliant cut diamonds
Custom platinum mounting
...
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, White Diamond, Blue Sapphire, Platinum
Emilio Jewelry Certified 8.00 Carat No Heat Emerald Cut Ruby Ring
By Emilio!
Located in New York, NY
From Emilio Jewelry, a well known and respected wholesaler/dealer located on New York’s iconic Fifth Avenue,
Showcasing the most spectacular Emerald cut ruby center just over 6.15ct...
Category
21st Century and Contemporary Three-Stone Rings
Materials
Ruby
Recent Sales
3 Carat Lab Yellow Diamond Ring 18 Karat White Gold
Located in barnsley, GB
3 Carat Lab Yellow Diamond Ring 18 Karat White Gold with accent stones . This just looks like a
Category
21st Century and Contemporary Contemporary Fashion Rings
Materials
Yellow Diamond, 18k Gold, White Gold
Robert Vogelsang 4.01 Carat Blue Sapphire Diamond Platinum Engagement Ring
Located in Zurich, CH
size 5 3/4, EU size 51
Sapphire Lab Summary:
Weight: 4.01ct
Origin: Sri Lanka
Cut/Shape: cushion
Category
2010s Swiss Contemporary Engagement Rings
Materials
Diamond, Sapphire, Platinum
3.0 Carat Fancy Yellow Diamond Gold Ring EGL Lab Report
Located in Litchfield, CT
diamond (VS1 clarity, EGL lab report) surrounded by .55 carats of brilliant white accent stones. Classic
Category
Early 2000s American Engagement Rings
Materials
Diamond, Yellow Diamond, 18k Gold
Vintage 4.10 Carat Ceylon Sapphire 0.26 Carat Diamond Platinum Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
Cushion
Content 4.10 carats
Dimensions 8.92mm (length) x 8.46mm (width) x 4.50mm (depth)
Diamond Quality
Category
Mid-20th Century Cocktail Rings
Materials
Diamond, Sapphire, Platinum
Certified No Heat 1.80 Carat Sapphire VS Diamond 18 Carat White Gold Ring
Located in St Helens, GB
A stunning ladies Sapphire and Diamond cluster ring in 18ct Gold.
Set with a natural cushion cut
Category
21st Century and Contemporary British Modern Engagement Rings
Materials
Diamond, Blue Sapphire, 18k Gold
Cushion-Cut Blue Ceylon Sapphire Diamond Platinum Ring
Located in New York, NY
carats. It is flanked by 2 baguette-cut diamonds with an approximate total weight of .44 carat with a F/G
Category
21st Century and Contemporary American Engagement Rings
Materials
Sapphire
1.96 Carat Natural Burma No Heat Ruby & Diamond Ring
Located in New York, NY
diamonds set in 18kt yellow gold. The 1.96 carat burmese ruby accompanies a gemological report from the
Category
20th Century British Cluster Rings
Materials
Diamond, Ruby, White Gold, Yellow Gold, 18k Gold
Spectacular 44.09 Carat Colombian Emerald and Diamond Ring in 18 Karat Gold
Located in Lucerne, CH
This breathtaking ring features a 44.09 carat cushion-shaped Colombian emerald of beautiful intense
Category
21st Century and Contemporary Unknown Contemporary Cocktail Rings
Materials
Diamond, Emerald, Gold, 18k Gold, White Gold, Yellow Gold
Gübelin Certified No Heat 8.05 carat Purple Sapphire Earrings
Located in New York, NY
will captivate your imagination. Each earring boasts a stunning 4.03 carat Gübelin Gem Lab certified No
Category
21st Century and Contemporary American Art Deco Dangle Earrings
Materials
Purple Sapphire, Diamond, 18k Gold, White Gold, Yellow Gold
Green Tourmaline Diamond White Gold Ring
Located in Stamford, CT
Ideal full cut diamond bezel set on each side. Super durable, no prongs.
1 cushion fine faceted fine
Category
1990s Cocktail Rings
Materials
Diamond, Tourmaline, 14k Gold, White Gold
Natural Sapphire Diamond Gold Ring, 15.02 Carat No Treatment Guild Lab Report
Located in Beverly Hills, CA
Classy and timeless Princess D style ring featuring a 15.02-carat natural non-heated cushion cut
Category
Early 2000s Unknown Cocktail Rings
Materials
White Diamond, Blue Sapphire, Yellow Gold, 18k Gold
GIA Certified Platinum Cushion Cut Diamond Studs 0.75 Carat Total
By Lili Jewelry
Located in New York, NY
diamond E VS2 0.38 . 2 diamond F VS1 0.40. Total for both diamonds 0.78 carats .
Lab tested guarantee all
Category
21st Century and Contemporary American Contemporary Stud Earrings
Materials
Diamond, Platinum
GIA Edwardian 1.60 Carat Old Miner Cushion Diamond Platinum Engagement Ring
Located in Atlanta, GA
: Platinum
Size: 7
Weight: 3.5g
Center Diamond Details
Cut: Old Mine Cushion Brilliant
Carat Weight: 1.60ct
Category
Antique Early 1900s Unknown Edwardian Engagement Rings
Materials
White Diamond
Antique Old Mine Cushion Cut Diamond Platinum Ring
Located in Stamford, CT
Antique Old Mine Brilliant Cushion 5.58ct Diamond Platinum Ring with old European Sides. Original
Category
Antique Late 19th Century Victorian Three-Stone Rings
Materials
Diamond, Platinum
Old Russian 1.86 Carat Burma No Heat Ruby Diamond Ring
Located in New York, NY
-european diamonds set in 14kt yellow gold. The 1.86 carat burmese ruby accompanies a gemological report
Category
Early 20th Century Art Deco Engagement Rings
Materials
Diamond, Ruby, Yellow Gold, 14k Gold
7.03 carat Tsavorite Ring, 18K White Gold
By SONYA K.
Located in Brooklyn, NY
ones, and clean stones over 3 carats are extremely rare. This garnet was discovered by British
Category
21st Century and Contemporary American Engagement Rings
Materials
Diamond, Tsavorite, 18k Gold, White Gold
Robert Vogelsang Fancy 1.00 Carat Diamond Cushion Rose Gold Engagement Ring
Located in Zurich, CH
This 1.00 carat natural fancy brownish yellow cushion cut diamond is accompanied by a GIA
Category
2010s Swiss Contemporary Engagement Rings
Materials
Diamond, 18k Gold
Multi-Tone Gold GIA Certified Fancy Yellow Cushion Diamond Halo Engagement Ring
Located in Columbia, MO
Main Stone Clarity SI1
Natural/Lab-Created Natural
Main Stone Diamond
Secondary Stone Diamond
Secondary
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Yellow Diamond, Gold, 14k Gold, White Gold
Rose Gold Round Diamond Cushion Halo Engagement Ring Wedding Set
Located in Columbia, MO
Natural/Lab-Created Natural
Main Stone Diamond
Secondary Stone Diamond
Secondary Stone Weight0.43 ctw
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, White Diamond, Gold, 14k Gold, Rose Gold
Yellow Gold Round Diamond Cushion Halo Engagement Ring Wedding Set
Located in Columbia, MO
Natural/Lab-Created Natural
Main Stone Diamond
Secondary Stone Diamond
Secondary Stone Weight0.43 ctw
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, White Diamond, Gold, 14k Gold, Yellow Gold
Gabriel & Co. White Gold Round Diamond Halo Twist Engagement Ring
Located in Columbia, MO
Enhanced
Main Stone Clarity - I1
Natural/Lab-Created - Natural
Main Stone - Diamond
Main Stone Color - F
Category
2010s Engagement Rings
Materials
Diamond, White Diamond, Gold, 14k Gold, White Gold
White Gold 0.70 Carat Cushion Diamond Halo Ladies Fashion Ring
Located in Columbia, MO
Stone Type Diamond
Stone Shape Cushion
Clarity SI2
Count 1
Fancy Color Pink
Grading Lab GIA
Certificate
Category
21st Century and Contemporary Fashion Rings
Materials
Diamond, Pink Diamond, 18k Gold, White Gold
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3 Carat Cushion Lab Diamond For Sale on 1stDibs
You are likely to find exactly the 3 carat cushion lab diamond you’re looking for on 1stDibs, as there is a broad range for sale. Every item for sale was constructed with extraordinary care, often using gold, platinum and 14k gold. You can easily find a 5 antique edition and 10 modern creations to choose from as well. Finding the perfect 3 carat cushion lab diamond may mean sifting through those created during different time periods — you can find an early version that dates to the 20th Century and a newer variation that were made as recently as the 21st Century. There have been many well-made iterations of the classic 3 carat cushion lab diamond over the years, but those made by Gad & Co. and Lili Jewelry are often thought to be among the most beautiful. Today, if you’re looking for a cushion cut version of this piece and are unable to find the perfect match, our selection also includes oval cut and brilliant cut alternatives. There aren’t many items for men if you’re seeking a 3 carat cushion lab diamond, as most of the options available are for women and unisex.
How Much is a 3 Carat Cushion Lab Diamond?
Prices for a 3 carat cushion lab diamond can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $160 and can go as high as $127,873, while this accessory, on average, fetches $13,724.
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