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4 Carat Antique Cushion Diamond

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5.00 Carat Cushion Aquamarine Diamond Pearl Platinum Antique Pendant Necklace
Located in Stamford, CT
Beautiful mid-century 1860's antique aqua, diamond and pearl pendant necklace. 5.00ct cushion cut
Category

Mid-19th Century 4 Carat Antique Cushion Diamond

Materials

Aquamarine, Diamond, Pearl, Gold, 14k Gold, White Gold, Platinum

Estate Diamond Bracelet 23.91 Total Carats 4.36 Cushion Center GIA Cert
Located in Wailea, HI
impeccable craftsmanship. At the heart of this stunning piece lies a resplendent Cushion Cut Diamond
Category

Early 20th Century 4 Carat Antique Cushion Diamond

Materials

Diamond, Platinum

Antique Yellow Gold And Silver Old Cut Diamond 4 Carat Ring
Located in Firenze, IT
The old-cut cushion shaped ,4ct approximately, to diamond-set claws and silver and gold bezel
Category

Late 19th Century Italian 4 Carat Antique Cushion Diamond

Materials

Diamond, 18k Gold, Yellow Gold, Silver

Stunning 1.28 Carat Old Mine Cushion Cut Diamond Platinum Engagement Ring
Located in New York, NY
This magnificent platinum engagement ring is centered with a sparkling old mine cushion cut diamond
Category

Early 20th Century Art Deco 4 Carat Antique Cushion Diamond

Materials

Diamond, Sapphire, Platinum

Antique 4.68 Carat Triple Old Mine Cushion Cut Diamond Platinum Dangle Earrings
Located in Stamford, CT
shaped old mine cut diamonds in a simple flexible 4 prong platinum basket settings. The two top diamonds
Category

Late 19th Century 4 Carat Antique Cushion Diamond

Materials

Diamond, Platinum

Art Nouveau Gold Ring with Cushion Cut Diamond and Two Cushion Cut Sapphires
By G.H. Palfrey
Located in MELBOURNE, VIC
Art nouveau 18 carat Yellow gold ring with one cushion old-cut Diamond, estimated 0.45 carats and
Category

Late 19th Century Australian Art Nouveau 4 Carat Antique Cushion Diamond

Materials

Diamond, Sapphire, Platinum, Gold

4 Carat Colombian Emerald Diamond Platinum-Topped Gold Pendant, circa 1910
Located in Bay Harbor Islands, FL
diamonds. In the center sits a square cushion cut Colombian emerald weighing over 4 carats. It has an AGL
Category

1910s Unknown 4 Carat Antique Cushion Diamond

Materials

Diamond, Emerald, 18k Gold, Platinum

Antique French 1.90 Carat Sapphire 1.10 Carat Diamond White Gold Cluster Ring
Located in Jesmond, Newcastle Upon Tyne
Quality Color Natural blue Cut Cushion Content 1.90 carats Dimensions 7.10mm x 6.50mm x 4.50mm Diamond
Category

1920s French 4 Carat Antique Cushion Diamond

Materials

Diamond, Sapphire, 18k Gold, White Gold

Victorian Cushion Cut Ruby Diamond 18 Karat Yellow Gold Antique Halo Ring
Located in Philadelphia, PA
Centering an elongated cushion cut ruby weighing approximately 0.40 carat Transparent medium red
Category

1890s 4 Carat Antique Cushion Diamond

Materials

Diamond, White Diamond, Ruby, Gold, Yellow Gold

GIA Certified 1.53 Carat Orange Sapphire Diamond Platinum Dangle Earrings
Located in Stamford, CT
dangles with 4 old European accent diamonds in platinum square and triangle settings. Circa 1920's. 1
Category

Early 20th Century 4 Carat Antique Cushion Diamond

Materials

Diamond, Sapphire, Platinum

Edwardian 1.00 Carat Siam Ruby and 1.12 Carat Diamond Yellow Gold Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive antique 1.20ct Siam ruby and 1.09 carat diamond, 18 karat yellow
Category

Early 1900s British Edwardian 4 Carat Antique Cushion Diamond

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

1.00 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
Diamond Details: Weight: 1.00 Carat Cut: Antique Carre Cut Color: E/F Clarity: VS1 Side Diamond Details
Category

1920s Unknown Art Deco 4 Carat Antique Cushion Diamond

Materials

White Diamond, Platinum

Antique 1.28 Carat Sapphire and 1.20 Carat Diamond White Gold Cluster Ring
Located in Jesmond, Newcastle Upon Tyne
Cushion Content 1.28 carat Dimensions 7.45mm x 6.32mm x 3.06mm Diamond Quality Color (average grades) G
Category

1920s Unknown 4 Carat Antique Cushion Diamond

Materials

Diamond, Sapphire, 18k Gold, White Gold

Victorian 2.11 CTW Cushion Cut Colombian Emerald Old European Cut Diamond Ring
Located in Philadelphia, PA
Centering a mixed cushion cut emerald weighing 1.21 carat - transparent medium green. Natural
Category

1880s Victorian 4 Carat Antique Cushion Diamond

Materials

Emerald, 18k Gold

1920s 0.42 Carat Emerald and 1.20 Carat Diamond 12K Yellow Gold Dress Ring
Located in Jesmond, Newcastle Upon Tyne
(average grades) SI1 Cut Old European Round Content 1.20 carats Number of Diamonds 4 Dimensions Length of
Category

Early 20th Century Art Deco 4 Carat Antique Cushion Diamond

Materials

Diamond, Emerald, Yellow Gold

GIA Certified 1.39 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 6.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 4 grams Center Diamond
Category

1920s Unknown Art Deco 4 Carat Antique Cushion Diamond

Materials

White Diamond, Platinum

GIA Certified 1.02 Carat Pink Sapphire Diamond Art Deco Platinum Engagement Ring
Located in Stamford, CT
1920's Art Deco sapphire and diamond engagement ring. GIA Pink cushion cut sapphire center stone in
Category

Early 20th Century 4 Carat Antique Cushion Diamond

Materials

Diamond, Sapphire, Pink Sapphire, Platinum

GIA Certified 1.68 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 6 Metal Type: Platinum [Hallmarked, and Tested] Weight: 4 grams Center Diamond
Category

Early 1900s Unknown Edwardian 4 Carat Antique Cushion Diamond

Materials

White Diamond, Platinum

Antique Edwardian 2.07 Carat Old Mine Cut Diamond Ring
Located in Montgomery, AL
platinum filigree setting features an antique center diamond measuring approximately 2.07 carats. The
Category

Early 20th Century Edwardian 4 Carat Antique Cushion Diamond

Materials

Diamond, Platinum

AGL Edwardian 2.56 Carats No Heat Burma Sapphire Diamond Platinum Dinner Ring
Located in Philadelphia, PA
Centering a cushion cut sapphire weighing approximately 2.08 carats - transparent medium blue
Category

1910s Edwardian 4 Carat Antique Cushion Diamond

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

1.56 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 7 Metal Type: Platinum [Hallmarked, and Tested] Weight: 4 grams Center Diamond Details
Category

1920s Unknown Art Deco 4 Carat Antique Cushion Diamond

Materials

White Diamond, Platinum

Antique Edwardian 18k Gold Platinum GIA Cushion Mine Cut Diamond Engagement Ring
Located in Montclair, NJ
with a rare cushion shape. The diamond is GIA certified as being exactly 1.13 carats in weight with
Category

Early 1900s Edwardian 4 Carat Antique Cushion Diamond

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

3.10 Carat Untreated Oval Mixed Cut Sapphire and Diamond Ring in Platinum
Located in Scottsdale, AZ
pear brilliant diamonds, as well as 4 round brilliant diamonds, flanking the sapphire stone. The
Category

Early 20th Century Unknown Edwardian 4 Carat Antique Cushion Diamond

Materials

Diamond, Sapphire, Platinum

Certified 4.35 Carats Ethiopian Emerald Diamonds 18 Carats Yellow Gold Platinum
Located in Paris, FR
Ring set with a round cut Ethiopian emerald surrounded by two cushion cut diamonds. Weight of the
Category

Early 1900s French Belle Époque 4 Carat Antique Cushion Diamond

Materials

Diamond, Emerald, Yellow Gold, Platinum

19th Century 3, 90 Carats Diamonds Bouquet Silver 18 Karat Yellow Gold Brooch
Located in Poitiers, FR
flowers and its leaves moved and set with antique- cut diamonds. In the center 2 antique cushion-cut
Category

19th Century French Napoleon III 4 Carat Antique Cushion Diamond

Materials

Diamond, White Diamond, Gold, 18k Gold, Yellow Gold, Silver

Edwardian 1.56 Carat Sapphire Mine Cut Diamond 14 Karat White Gold Dinner Ring
Located in Philadelphia, PA
Centering a cushion cut sapphire weighing approximately 0.60 carat total - transparent medium
Category

1910s Edwardian 4 Carat Antique Cushion Diamond

Materials

Diamond, Sapphire, 14k Gold, White Gold

Georgian Enameled 0.60 Carat Diamond Engagement Ring
Located in Narberth, PA
stunning cushion Mine Cut diamond at the center, which weighs approximately 0.60ct with estimated K color
Category

1830s Unknown Georgian 4 Carat Antique Cushion Diamond

Materials

Diamond, 18k Gold, Yellow Gold, Enamel

Victorian 14 Karat Gold 0.80 Carat Ruby 0.55 Carat Diamond Knot Pin Brooch
Located in Vilnius, LT
/cushion cut, TW 0.80ct, stpR 6/4, VS-P1) - 19 diamonds (rose/irregular cut, TW 0.55ct, RW-W, VS-P1
Category

Late 19th Century Victorian 4 Carat Antique Cushion Diamond

Materials

Diamond, Ruby, Yellow Gold, 14k Gold

19th Century 9kt gold and silver 7.17 cts. of cushion-cut Aquamarine brooch
Located in Braintree, GB
Antique 19th Century 9kt gold and silver 7.17 cts. of cushion-cut Aquamarine and 2.56 carats of old
Category

1870s British 4 Carat Antique Cushion Diamond

Materials

Aquamarine, Gold, Silver

Certified 4.66 Carats Unheated Ceylon Sapphire Diamonds Platinum Ring
Located in Paris, FR
Important platinum ring centred by a cushion-cut unheated sapphire surrounded by old-cut diamonds
Category

Early 20th Century French Art Nouveau 4 Carat Antique Cushion Diamond

Materials

Diamond, Sapphire, Platinum

7 Carat Peridot Platinum Diamond Lavaliere Necklace Antique Victorian Edwardian
Located in New York, NY
Necklace. The gorgeous Peridot is a cushion shape peridot of 7.25 Carat. The color of this gem is just
Category

Early 20th Century Unknown Edwardian 4 Carat Antique Cushion Diamond

Materials

Diamond, Peridot, Platinum

Antique 1.50 Carat Sapphire and Diamond Yellow Gold Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
An impressive antique 1.50 carat sapphire and 0.35 carat diamond, 18 karat yellow gold cocktail
Category

Early 1900s Unknown 4 Carat Antique Cushion Diamond

Materials

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

Edwardian 3.30 CTW Alexandrite Diamond Platinum Scrolling Three Stone Ring GIA
Located in Philadelphia, PA
Centering a cushion cut alexandrite weighing 1.56 carats - natural Ceylon in origin Displaying
Category

1910s Edwardian 4 Carat Antique Cushion Diamond

Materials

Alexandrite, Diamond, Platinum

Belle Époque 4.04 CTW No Heat Ceylon Sapphire Diamond Platinum Drop Necklace GIA
Located in Philadelphia, PA
Platinum cable chain necklace suspends ornate milgrain pendant Centering a mixed cushion cut Ceylon
Category

19th Century 4 Carat Antique Cushion Diamond

Materials

Purple Sapphire, Diamond, Sapphire, Platinum

Art Deco Sapphire and Diamond Ring
Located in Litchfield, CT
sapphire surrounded by 1.80 carats of brilliant white old-cut diamonds (H-I color, SI1 clarity). The look
Category

1920s 4 Carat Antique Cushion Diamond

Materials

Diamond, Sapphire, Platinum

1880's Victorian 2.75 Carats Sapphire Diamond 18 Karat Rose Gold Antique Brooch
Located in Philadelphia, PA
with cushion cut sapphires weighing in total approximately 0.90 carat - well matched royal blue. Head
Category

1880s Victorian 4 Carat Antique Cushion Diamond

Materials

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

1915 Edwardian early Art Deco GIA 7.87ct Peridot & Diamond Platinum Antique Ring
Located in New York, NY
Antique GIA 6.73ct Old Cushion Peridot and Diamond Edwardian Platinum Ring. From the mid-1800s
Category

1910s Art Deco 4 Carat Antique Cushion Diamond

Materials

Diamond, Peridot, Platinum

Antique Edwardian Hallmarked Old European Cut Diamond & Ruby Band 20 Carat Gold
Located in Hamilton, AU
Lovingly crafted in 20 carat gold, The Imelda Ring is an antique treasure. Star set diamonds and
Category

Early 20th Century Unknown Edwardian 4 Carat Antique Cushion Diamond

Materials

Diamond, Ruby, Gold, Yellow Gold

Victorian 3.70 CTW Sapphire Diamond 18 Karat Gold Antique Three Stone Ring
Located in Philadelphia, PA
Centering a cushion cut sapphire weighing approximately 0.96 carat total Transparent medium blue
Category

Early 1800s Victorian 4 Carat Antique Cushion Diamond

Materials

Sapphire, Diamond, Gold, 18k Gold

Art Deco Sapphire and Diamond Cluster Ring
Located in Chipping Campden, GB
A delightful oval cut sapphire and diamond cluster ring set in platinum throughout. The cushion cut
Category

Early 20th Century 4 Carat Antique Cushion Diamond

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

Antique 18ct Yellow & White Gold Deco Diamond Engagement Ring
Located in Brighton, GB
Shaped Engagement Ring. Beautiful Centre Cushion Cut Diamond & Pretty Diamond Set Triangular Shoulders
Category

Early 20th Century English Art Deco 4 Carat Antique Cushion Diamond

Materials

Diamond, 18k Gold, White Gold, Yellow Gold

Victorian 2.51 CTW Colombian Emerald Diamond 14 Karat Yellow Gold Halo Ring GIA
Located in Philadelphia, PA
Centering a cushion cut emerald weighing 1.87 carats - transparent green in color Natural
Category

1860s Victorian 4 Carat Antique Cushion Diamond

Materials

Diamond, Emerald, Gold, 14k Gold, Yellow Gold

Antique Victorian Era Bright Red Pink Ruby & Old Cut Diamond Ring 18 Carat Gold
Located in Hamilton, AU
2.85x2.4 millimetres. The two old cut diamonds are estimated to total 0.14 carats with G colour and SI
Category

Late 19th Century Unknown Victorian 4 Carat Antique Cushion Diamond

Materials

Diamond, Ruby, Gold, Yellow Gold, 18k Gold

Edwardian 12.53 CTW Colombian Emerald Diamond Platinum 18 Karat Gold Pendant
Located in Philadelphia, PA
Centering a cushion cut emerald weighing 10.35 carats - transparent bright green Natural Colombian in origin
Category

1910s Edwardian 4 Carat Antique Cushion Diamond

Materials

Diamond, Emerald, Gold, 18k Gold, Yellow Gold, Platinum

Victorian 4.00 Total Carat Diamond Tremblé Wings Tiara and Pin in Original Box
Located in Narberth, PA
Cut, and Cushion Cut diamonds line the surface of each wing, decorating the elongated rows of curvy
Category

1880s Unknown Victorian 4 Carat Antique Cushion Diamond

Materials

Diamond, 14k Gold, Sterling Silver

Victorian Russian 1.00 CTW Diamond Sapphire Pearl 14 Karat Gold Fringe Necklace
Located in Philadelphia, PA
a row of alternating cushion cut sapphires and near-round pearls set east to west Sapphires weigh
Category

1880s Victorian 4 Carat Antique Cushion Diamond

Materials

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

French Art Deco 1925s Diamonds Platinum Rectangular Ring
Located in Poitiers, FR
is adorned with a line of antique cushion-cut diamonds bordered on either side by 2x6 rose-cut
Category

1920s French Art Deco 4 Carat Antique Cushion Diamond

Materials

Diamond, White Diamond, Platinum

Antique Edwardian 2.30Ct Sapphire and 1.05ct Diamond 18k Yellow Gold Ring
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive antique 2.30 carat Ceylon sapphire and 1.05 carat diamond, 18 karat yellow
Category

1910s 4 Carat Antique Cushion Diamond

Materials

Diamond, Sapphire, Yellow Gold

Art Deco Aquamarine Diamond Platinum Filigree Link Bracelet
Located in Thiensville, WI
baguettes, and 2 round diamonds for an estimated weight of approximately .57 carat total. Center section
Category

1920s Art Deco 4 Carat Antique Cushion Diamond

Materials

Aquamarine, Diamond, Platinum

Antique Sapphire and Diamond Twist Ring in 18k Yellow Gold
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive antique Edwardian 0.60 carat sapphire and 0.51 carat diamond, 18 karat yellow
Category

1910s 4 Carat Antique Cushion Diamond

Materials

Diamond, Sapphire, Yellow Gold, Platinum

Antique 1.33 Ct Basaltic Sapphire and 0.88 Ct Diamond Platinum Trilogy Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive antique 1.33 carat Basaltic sapphire and 0.88 carat diamond
Category

1920s 4 Carat Antique Cushion Diamond

Materials

Diamond, Sapphire, Platinum

Victorian 1.84 CTW Sapphire Diamond 18 Karat Gold Silver Antique Cluster Ring
Located in Philadelphia, PA
approximately 0.62 carat total - transparent medium blue With a clustered surround of rose cut diamonds prong
Category

1840s Victorian 4 Carat Antique Cushion Diamond

Materials

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

Antique 0.73ct Diamond and Ruby 18k Rose Gold Snake Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive antique 0.73 carat diamond and 0.03 ruby, 18 karat rose gold snake
Category

1910s French 4 Carat Antique Cushion Diamond

Materials

Diamond, Ruby, Rose Gold

Antique Victorian 3.84 Carat Garnet and 18k Yellow Gold Dress Ring
Located in Jesmond, Newcastle Upon Tyne
Cut Cushion Content 3.84 carats Dimensions 9.02mm (length) x 8.91mm (width) x 4.44mm (depth
Category

1890s British 4 Carat Antique Cushion Diamond

Materials

Garnet, Yellow Gold

Victorian circa 1869 Unheated Burmese Ruby Diamond Ring 18k Antique Yellow Gold
Located in Santa Monica, CA
heart …. 19th Dec 1869 …" 3.7 gram 4 pieces of Old European Cut Diamonds H-I color VS1 Clarity 1/5 Carat
Category

1860s Unknown 4 Carat Antique Cushion Diamond

Materials

Diamond, Ruby, Yellow Gold

The Best Antique Victorian No Heat 1.86 Carat Burmese Ruby Ring
Located in Santa Barbara, CA
Ruby Carat Weight: 1.86 Cut: Cushion Color: Purplish Red Clarity: Transparent Accent Diamonds: 4 Old
Category

Mid-19th Century Victorian 4 Carat Antique Cushion Diamond

Materials

Ruby, 14k Gold, Yellow Gold

Victorian Ruby Diamond 14 Karat Yellow Gold Antique Halo Ring
Located in Philadelphia, PA
Centering a cushion cut ruby weighing approximately 0.10 carat Transparent medium purplish red
Category

1830s Victorian 4 Carat Antique Cushion Diamond

Materials

Diamond, Ruby, Gold, 14k Gold, Yellow Gold

Edwardian Ruby Diamond Platinum-Topped 18 Karat Gold Heart Charm
Located in Philadelphia, PA
cut diamonds weighing in total approximately 0.25 carat - H/I color with SI clarity. Tested as
Category

Early 1900s Edwardian 4 Carat Antique Cushion Diamond

Materials

Diamond, White Diamond, Ruby, Gold, 18k Gold, Yellow Gold, Platinum

Victorian Diamond Gold Cluster Dangle Earrings
Located in Narberth, PA
. Each earring features a 1.25 carat Cushion Mine Cut diamond set in the center, surrounded by a frame of
Category

Late 19th Century French Victorian 4 Carat Antique Cushion Diamond

Materials

Diamond, 18k Gold

Tiffany & Co. Victorian Diamond Ruby Sapphire 18 Karat Gold Butterfly Stickpin
By Tiffany & Co.
Located in Philadelphia, PA
rose cut diamonds bead and bezel set throughout body and wings Weighing approximately 0.45 carat total
Category

1860s Victorian 4 Carat Antique Cushion Diamond

Materials

Diamond, Ruby, Sapphire, Gold, 18k Gold, Yellow Gold, Silver

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4 Carat Antique Cushion Diamond For Sale on 1stDibs

You are likely to find exactly the 4 carat antique cushion 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, 18k gold and yellow gold. In our selection of items, you can find a vintage example as well as a contemporary version. You’re likely to find the perfect 4 carat antique cushion 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. There have been many well-made iterations of the classic 4 carat antique cushion diamond over the years, but those made by Alex Jona, Natkina and Peter Suchy are often thought to be among the most beautiful. A cushion cut version of this piece has appeal, but there are also antique cushion cut and old mine cut versions for sale. Most of our 4 carat antique cushion diamond for sale are for women, but there are 249 pieces available to browse for men.

How Much is a 4 Carat Antique Cushion Diamond?

The price for a 4 carat antique cushion diamond starts at $558 and tops out at $450,000 with these rings, on average, selling for $8,032.