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Leon Mege Avant Garde Paraiba-Like Blue Zircon Fancy Sapphire Diamond Ring
By Leon Mege
Located in New York, NY
cushion zircon (irradiated) 8 tapered-baguette sapphires 4.36 ctw 58 full cut diamonds 0.95 carat total; F
Category

2010s American Contemporary Cluster Rings

Materials

Diamond, White Diamond, Sapphire, Yellow Sapphire, Green Sapphire, Zirco...

Vintage 8.80 Carat Aquamarine and Yellow Gold Ring
Located in Jesmond, Newcastle Upon Tyne
elongated cushion cut aquamarine. The ring shoulders integrate with the main setting and hallmarked shank
Category

Vintage 1950s Unknown Cocktail Rings

Materials

Aquamarine, Yellow Gold

Cartier Sapphire and Diamond Jabot and Ring
By Cartier
Located in New York, NY
4 marquise cut and 8 round brilliant cut diamonds with total weight of approximately 0.70 carats
Category

Mid-20th Century Artist Solitaire Rings

Materials

Diamond, Sapphire, 18k Gold, Platinum

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

Antique 1880s Victorian Pendant Necklaces

Materials

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

Retro 50.00 Ct Untreated Aquamarine Diamond ring
Located in Napoli, IT
green overtone (22.53 x 19.54 mm.) Flanking the Aquamarine stone on either side are 8 Swiss cut diamonds
Category

Mid-20th Century European Retro Solitaire Rings

Materials

Aquamarine, Diamond, 18k Gold

Richard Krementz 3.96ct Tanzanite Diamond Ring
Located in Cincinnati, OH
! 18 karat yellow gold and platinum detailed setting. 3.96 carat square brilliant cut tanzanite at
Category

21st Century and Contemporary American More Rings

Materials

Diamond, Tanzanite, Tsavorite, 18k Gold, Platinum

Royal Blue Victorian GIA 2.29ctw Sapphire Diamond Antique Cluster 14K Gold Ring
Located in New York, NY
almost equally stunning the most classic Victorian diamond cluster ring. There are 8 sparkly old European
Category

Antique 1890s European Victorian Engagement Rings

Materials

Diamond, Blue Sapphire, Sapphire, 14k Gold

Antique Portuguese Sapphire Diamond Gold Cluster Ring
Located in Beverly Hills, CA
One Antique Portuguese Sapphire Diamond Gold Cluster Ring. Featuring one cushion cut sapphire
Category

Vintage 1910s Portuguese Cluster Rings

Materials

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

Kieselstein Cord 18k Gold Large GIA 20ct Bezel Rubellite Tourmaline Diamond Ring
By KIESELSTEIN-CORD
Located in Montclair, NJ
adorned on either side of the shoulders with graduated straight baguette cut diamonds that total about 1.3
Category

1990s Cocktail Rings

Materials

Diamond, Tourmaline, 18k Gold

Vintage Amethyst Diamond Yellow Gold Cocktail Ring
Located in Los Angeles, CA
and diamond cocktail ring. SPECIFICATIONS: GEMSTONE: one faceted, cushion cut amethyst weighing
Category

Vintage 1950s Retro Cocktail Rings

Materials

Amethyst, Diamond, 14k Gold, Yellow Gold

Antique Diamond Opal and Russian Demantoid Garnet Ring
Located in Chicago, IL
and further surrounded by a row of Mine cut Diamonds approximately 1 Carat, Finger size 9 and can be
Category

Vintage 1910s American Edwardian Cocktail Rings

Materials

Diamond, Garnet, Opal, 14k Gold

Colorchanging Alexandrite Padparadscha sapphire Blue Sapphire Brown Diamond Ring
By Joke Quick
Located in Antwerp, BE
, genuine cushion and round cut Alexandrite stones from Brazil, renowned for their rarity and unique color
Category

2010s Belgian Contemporary Fashion Rings

Materials

Alexandrite, Diamond, Sapphire, Brown Diamond, Blue Sapphire, Spinel, Pa...

Bright Green Peridot Diamond Gold Ring
Located in Stamford, CT
Fine rich bright green cushion Peridot in a full bezel and flanked by 8 round full cut diamonds
Category

Vintage 1980s Cocktail Rings

Materials

Diamond, Peridot, 14k Gold, White Gold, Yellow Gold

Amethyst, Pink Sapphire, Diamond Dangle Earrings, 18K White Gold, Purple Amethyst
Located in McLeansville, NC
- diamonds, 30 stones - full cut round - 1.25 mm - approximately .30 total carats - H-J color, SI-I clarity
Category

Early 2000s Dangle Earrings

Materials

Amethyst, Diamond, Pink Sapphire, Gold, 18k Gold, White Gold

Gin Grace 14K Yellow Gold Genuine Aquamarine Ring with Diamonds for women
Located in New York, NY
. This Ring is made up of 6*8 Cushion-cut Aquamarine (1 Pcs) 1.32 carat Baguette (2 Pcs) 0.04 carat and
Category

21st Century and Contemporary Chinese Art Deco Engagement Rings

Materials

Aquamarine, Diamond, 14k Gold, Yellow Gold

Gin Grace 14K Yellow Gold Genuine Aquamarine Ring with Diamonds for women
Located in New York, NY
. This Ring is made up of 6*8 Cushion-cut Aquamarine (1 Pcs) 1.32 carat Baguette (2 Pcs) 0.04 carat and
Category

21st Century and Contemporary Chinese Art Deco Engagement Rings

Materials

Aquamarine, Diamond, 14k Gold, Yellow Gold

Gin Grace 14K Yellow Gold Natural Pink Opal Ring with Diamonds for women
Located in New York, NY
. This Pendant is made up of 18*25 Cushion-cut Pink opal (1 Pcs) 24.08 carat and round-cut white Diamond
Category

21st Century and Contemporary Chinese Art Deco Pendant Necklaces

Materials

Diamond, Opal, 14k Gold, Yellow Gold

David Yurman 6.17ctw Blue Topaz and Diamond Ring, Sterling Silver, Ring Size 7
By David Yurman
Located in McLeansville, NC
approximately 5.95 carats diamonds, 32 stones round brilliant cut 1.1 mm approximately .22 total carats G
Category

Early 2000s Dome Rings

Materials

Diamond, Topaz, Blue Topaz, Sterling Silver

Blue Sapphire and Diamond Dangle Earrings in 18k White Gold
By Sarosi By Timeless Gems
Located in Los Angeles, CA
carats total 62 round brilliant-cut diamonds, .42 carats total
Category

21st Century and Contemporary North American Artisan Dangle Earrings

Materials

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

NEW Azotic Topaz Diamond Ring - Sterling Silver 6.93ctw Halo-Inspired Size 7
Located in Greensboro, NC
This stunning ring displays a deep orange cushion cut genuine azotic topaz. The solitaire has a
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Topaz, Sterling Silver

14W Aquamarine Diamond Ring
Located in McLeansville, NC
- 8 mm - approximately 1.40 carats - diamonds, 20 stones - full cut round - 1.25 mm
Category

Vintage 1970s Engagement Rings

Materials

Aquamarine, Diamond, Gold, 14k Gold, Yellow Gold

18 Karat Amethyst Diamond Ring
Located in Houston, TX
18K yellow gold amethyst and diamond ring. The amethyst is a cushion cut and surrounded by twenty
Category

Late 20th Century Unknown Cocktail Rings

Materials

Amethyst, Diamond, 18k Gold

Amethyst Diamond Gold Cocktail Ring
Located in Los Angeles, CA
. Showcasing a large modified cushion-cut amethyst weighing approximately 12.50 carats, framed by forty-four
Category

Early 2000s Contemporary Cocktail Rings

Materials

Amethyst, Diamond, 14k Gold

Diamond Gold Snake Ring Circa 1900
Located in Chicago, IL
Mine cut Cushion Diamond of approximately .15 Carat. Top measuring 1/2 X 5/8 inch. Finger size = 8
Category

Antique Early 1900s Unknown Victorian Cocktail Rings

Materials

Diamond, 14k Gold

French Sapphire Diamond Gold Dome Ring
Located in Beverly Hills, CA
An enchanting ring of color and design. Featuring a cluster of 7 old cushion cut diamonds. The
Category

Vintage 1940s French Retro More Rings

Materials

Diamond, Sapphire, 18k Gold

Edwardian 1905 Ring In 18Kt Yellow Gold And Platinum With Diamonds And Ruby
Located in Miami, FL
, with 4 old European rose cut diamonds, 0.08 carats, white colorless G color, VS/SI clarity. Ruby
Category

Antique Early 1900s English Edwardian Engagement Rings

Materials

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

Emerald Diamond Gold Platinum Three-Stone Ring
Located in Los Angeles, CA
1.00 carat, between a pair of trilliant-cut diamonds totaling approximately 0.40 carat, approximately G
Category

1990s Contemporary Three-Stone Rings

Materials

White Diamond, Emerald, 18k Gold, Platinum

Piaget 18 Karat White Gold and Diamond Wristwatch
Located in Beverly Hills, CA
containing 564 full cut diamonds [G/VS] weighing 13.05 carats total, and 344 pave set single cut
Category

21st Century and Contemporary Swiss Wrist Watches

Materials

Diamond, 18k Gold, White Gold

Sapphire Diamond White Gold Stud Earrings
Located in Los Angeles, CA
weighing approximately 1.58 carats, within a conforming border of round brilliant-cut diamonds all together
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

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

Emerald Diamond 18K Gold Elegant Dangle Drop Earrings
Located in Miami, FL
) total count Genuine Diamonds round-cut, French pave set  and Complimented by (10) baguette cut and (8
Category

1990s American Modern Dangle Earrings

Materials

Diamond, Emerald, 18k Gold

Antique Five-Stone Ruby Ring with Diamonds
Located in Baltimore, MD
beautiful hand carved unmarked yellow Gold claw setting that tests 18K. There are 8 tiny rose cut diamonds
Category

Antique Late 19th Century English Victorian Band Rings

Materials

Diamond, Ruby, 18k Gold

Dinh Van 1970 Geometric Ring In 18Kt Gold With 1.05 Ctw Diamonds Ruby Sapphires
By Jean Dinh Van
Located in Miami, FL
brilliant cuts natural gemstones; 7 white colorless diamond, 7 vivid Burmese red rubies and 7 royal blue
Category

Vintage 1970s French Modernist Band Rings

Materials

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

1900s Emerald and Diamonds 18 Karats Yellow Gold Bangle Ring
Located in Poitiers, FR
shouldered on both sides of an antique cushion cut diamond. Weight of the emerald: 0.28 carat approximately
Category

Antique Early 1900s French Belle Époque Band Rings

Materials

Emerald, Diamond, White Diamond, Gold, 18k Gold, Yellow Gold

Faye Kim Gold Handmade Raw Diamond Hinge Drop Earrings
By Faye Kim
Located in Darien, CT
sparkle of diamonds. 4.85 carats total weight 3/8 inch long with a matte* finish. *Faye Kim offers
Category

2010s American Contemporary Drop Earrings

Materials

Diamond, 18k Gold

Art Deco 1.50 Ct Diamond Solitaire Plus Platinum Ring
Located in Napoli, IT
are two baguette and Swiss cut Diamonds for .28 Ct rated H VVS/VS Head of the ring is 8 x 11mm. With
Category

Vintage 1920s European Art Deco Engagement Rings

Materials

Diamond, Platinum

Tanzanite and Diamond Men s Ring Memphis Design Movement
Located in Northampton, MA
Memphis style. The 12 mm x 8 mm rectangular cushion-cut natural tanzanite weighs approximately 2.40
Category

Vintage 1980s American Modern Signet Rings

Materials

Diamond, Tanzanite, 14k Gold

GIA Certified Brown Chrysoberyl Mens Ring with Matte Textured Gold Finish
Located in Miami, FL
: Cushion - Measurements: 10.95 x 8.75 x 5.67 mm Side-Stone Details: - Gem: Diamond - Cut: Round
Category

2010s North American Modernist Solitaire Rings

Materials

Chrysoberyl, Diamond, Gold

Classic Angel Skin Coral Earrings in 18Kt Gold with 26.56 Ct in Diamonds Coral
Located in Miami, FL
pave setting of 32 calibrated round brilliant cut diamonds with a total weight of 1.60 carats, white
Category

1990s Italian Modernist Clip-on Earrings

Materials

Coral, Diamond, White Diamond, Gold, 18k Gold, Yellow Gold

18th cent. Ring 8ct White Sapphire 3 ct Diamonds 10K Gold Silver Ø 5.25US /8.3gr
Located in SE
mm x 8 mm deep. Natural White Sapphire cushion cut 12 mm x 11.3mm x 6.5 mm /ca. 8ct. + 88 old cut
Category

Antique Late 18th Century European Romantic Cluster Rings

Materials

Diamond, 18k Gold, Silver

Vintage David Webb Totem Pendant 18k Gold Chain Necklace Gemstones
By David Webb
Located in Beverly Hills, CA
round brilliant cut diamonds (G-H color, VS clarity, approximately 1.20 carats total weight). The
Category

Vintage 1980s American Necklace Enhancers

Materials

Diamond, Ruby, Coral, Lapis Lazuli, 18k Gold, Yellow Gold, Platinum

Boulder Opal Yellow Gold Earrings
Located in Los Angeles, CA
. SPECIFICATIONS: OPALS: 2 freeform cushion-shaped boulder opals total approximately 10 carats. METAL: 18k
Category

1990s Contemporary Clip-on Earrings

Materials

Opal, 18k Gold, Yellow Gold

Certified 3.55 Carat Old Cushion-Cut Diamond Ring
Located in London, GB
A single stone diamond ring, the old cushion-cut diamond weighing 3.55 carats accompanied by GIA
Category

Vintage 1920s British Edwardian Engagement Rings

Materials

Diamond, Platinum

Yellow Sapphire and Diamond Ring
Located in London, GB
A yellow sapphire and diamond ring, the cushion-cut sapphire accompanied by GCS report, stating the
Category

Early 2000s British Modern Cocktail Rings

Materials

Diamond, Yellow Sapphire, Platinum

Lauren K. Yellow Gold Chrysoprase and Diamond Ring
By Lauren K.
Located in New York, NY
bright 8-carat faceted cushion chrysoprase accented with a halo of gold beads and round brilliant cut
Category

21st Century and Contemporary More Rings

Materials

Chrysophrase, Diamond, 18k Gold, Yellow Gold

Rachel Koen Amethyst and Pearl Cocktail Ring 14k White Gold
By Roberto Coin
Located in New York, NY
cushion cut citrine of approximately 8 carats that is framed by round cut diamonds weighing an estimated
Category

Early 2000s Italian Cocktail Rings

Materials

Citrine, Diamond, 18k Gold, Yellow Gold

1.04 Carat Cushion Shaped Brilliant Cut Diamond Solitaire Ring, Platinum
Located in Yorkshire, West Yorkshire
A pre-owned diamond set solitaire ring centring on a cushion shaped brilliant cut diamond measuring
Category

Early 2000s British Modern Solitaire Rings

Materials

Diamond, Platinum

Art Deco 1.15 Carat Old Cushion Cut Diamond Platinum Engagement Ring
Located in Theydon Bois, Essex
Pure Deco class. The square cushion shaped old cut diamond in the centre is glowingly white
Category

Early 20th Century Engagement Rings

Materials

Diamond, Platinum

Old Cushion Cut Diamond Ring, 4.14 Carat, circa 1930s, French Platinum Mark
Located in Yorkshire, West Yorkshire
/Australia); 51/8 (US/Canada) With over 4.0ct of diamonds spread over three old cushion cut diamonds this
Category

Vintage 1930s French Art Deco Three-Stone Rings

Materials

Diamond, Platinum

3.02 Carat Cushion Cut Diamond Rose Gold Platinum Handcrafted Ring
Located in New York, NY
, surrounded by White Melee, 26 brilliant Cut diamonds weight 0.32 Carat Total Weight. The Melee is set in 18
Category

21st Century and Contemporary American Fashion Rings

Materials

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

2.33 Carat Antique Cushion-Cut Diamond Gold Ring
Located in San Francisco, CA
8 Round Brilliant Cut Diamonds Carat Weight: 0.04 carat Color: H-I Clarity: SI
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 18k Gold

Ring Old Cushion Cut Diamond 1.90 Carat, Pear Shaped Sapphires 2.44 Carat
Located in Yorkshire, West Yorkshire
Details 1 x old cushion cut diamond 7.22mm x 6.44mm x 5.44mm 1.90ct Assessed colour
Category

Early 20th Century British Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

0.50 Carat Old Cushion Cut Diamond Engagement Ring
Located in Theydon Bois, Essex
/ miner cut Colour – J. Clarity – VS1 Carat – Approximately 0.50 carat. Size – P (UK) or 5 3/8
Category

Mid-20th Century Engagement Rings

Materials

Diamond, 18k Gold, Platinum

Victorian .40 Carat Cushion Cut Diamond with Sapphire and Rose Cut Diamonds
Located in Brooklyn, NY
An approximately .40ct old mine cushion cut diamond sparkles at the center of this sensational late
Category

Antique Late 19th Century British Late Victorian Cluster Rings

Materials

Diamond, Sapphire, 18k Gold

Art Deco 2.11 Carat Old Cushion Cut Diamond Solitaire Ring
Located in Essex, GB
An absolutely superb old cut diamond ring. The long, cushion shaped old mine cut is internally
Category

Mid-20th Century Solitaire Rings

Materials

Diamond, Gold, 18k Gold, White Gold

1.55 Carat Cushion Cut Diamond and Platinum Engagement Ring
Located in Los Angeles, CA
A 1.55 carat cushion cut diamond is featured in this beautiful platinum ring. The center stone is J
Category

Vintage 1930s Unknown Engagement Rings

Materials

Diamond, Platinum

Art Deco 1.71 Carat Cushion Cut Diamond Ruby Three-Stone Ring
Located in Sale, Cheshire
engagement ring. STONES 1.71 carat cushion cut diamond - colour: G - clarity: VS2 Two natural pear cut
Category

Vintage 1930s French Art Deco Three-Stone Rings

Materials

White Diamond, Ruby, 18k Gold, White Gold

Victorian Cushion Cut Diamond Solitaire Ring
Located in Sale, Cheshire
carat cushion cut diamond in 8-claw setting - typical of the period. Ring Size: US: 6.75, or UK: N.
Category

Antique Late 19th Century British Victorian Engagement Rings

Materials

White Diamond, 18k Gold, Platinum

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Cushion Cut Diamond 8 Carat For Sale on 1stDibs

Find the exact cushion cut diamond 8 carat you’re shopping for in the variety available on 1stDibs. Each design created in this style — which was crafted with great care and often made from Gold, 18k Gold and Platinum — can elevate any look. In our selection of items, you can find a vintage example as well as a contemporary version. You’re likely to find the perfect cushion cut diamond 8 carat 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. For this particular accessory, there are many different carat weights to choose from, but .5 Carat and 1 Carat versions are of considerable interest. Creating a cushion cut diamond 8 carat has been a part of the legacy of many jewelers, but those produced by Single Stone, Roman Malakov and Mark Broumand are consistently popular. See these pages for a cushion cut iteration of this accessory, while there are also antique cushion cut cut and round cut cut versions available here, too. Most of our cushion cut diamond 8 carat for sale are for women, but there are 469 pieces available to browse for men.

How Much is a Cushion Cut Diamond 8 Carat?

The price for a cushion cut diamond 8 carat starts at $350 and tops out at $2,895,000 with these rings, on average, selling for $15,106.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.