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0.33ct E/VS1 Square Modified Brilliant Cut Diamond Ring Set in Classic Platinum
Located in London, GB
This classic solitaire ring features a 0.33ct E/VS1 square modified brilliant cut diamond, set in a
Category

2010s British Engagement Rings

Materials

Diamond, Platinum

Dazzling 1pc Natural Diamond w/ 1.7ct Cushion Modified Brilliant D IF GIA Cert
Located in רמת גן, IL
One dazzling cushion modified brilliant cut natural diamond in a 1.7 carat D IF with excellent
Category

2010s Israeli Loose Gemstones

Materials

Diamond

0.61ct D VVS1 GIA Square Modified Solitaire Diamond Ring in 14ct White Gold
By Unbranded
Located in London, GB
14ct White Gold 0.61ct D VVS1 GIA Square Modified Solitaire Diamond Ring. Additional Information
Category

2010s British Solitaire Rings

Materials

Diamond, White Gold, 14k Gold

1 Pc Natural Diamond 0.75 Carat Square Cushion Modified D IF IGI Certificate
Located in רמת גן, IL
One sparkling and shiny cushion brilliant natural diamond in a 0.75 carat D IF with excellent
Category

2010s Israeli Engagement Rings

Materials

Diamond

David Yurman 1.79 ct Cushion Modified Sapphire and Diamond Capri Engagement Ring
By David Yurman
Located in New York, NY
David Yurman 1.79 ct Cushion Modified Sapphire and Diamond Capri Engagement Ring PRIMARY DETAILS
Category

21st Century and Contemporary Engagement Rings

Materials

Sapphire, Platinum

14K White Yellow Gold Square Modified and Round Brilliant Diamond Ring 1.30 Ct
Located in Washington Depot, CT
IGI Certified 14K White and Yellow Gold Square Modified Brilliant Diamond Ring This two tone
Category

21st Century and Contemporary Band Rings

Materials

Diamond, 14k Gold

2 Carat Cushion Modified GIA Certified Solitaire Ring
Located in New York, NY
2.03 ct Cushion Modified Brilliant with G color and VVS-1 clarity (GIA certificate upon request
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, 18k Gold

12mm x 5.5mm Modified Step Cut Baby Pink Kunzite Diamond Ring. 18k Rose Gold.
Located in Hong Kong, HK
Here is a beautiful Kunzite and diamond cocktail ring. The ring is set in 18k rose gold and
Category

2010s Hong Kong Cocktail Rings

Materials

Diamond, Kunzite, White Diamond, 18k Gold, Rose Gold, Gold

18 Karat White Gold Art Deco Ring with Modified Round Brilliant Cut Diamond
Located in Addison, TX
from 9.14 - 1.26 mm Stamp: 18 Center Diamond Details: Carat: approximately .46 Carats Shape: Modified
Category

Vintage 1920s Unknown Art Deco Bridal Rings

Materials

Diamond, 18k Gold, White Gold

18 Karat White Gold 5.15 Carat Diamond and Natural Emerald Modified Hoop Earring
By Gems Paradise
Located in Jaipur, IN
18 Karat White Gold 5.15 Carat Diamond and Natural Emerald Modified Hoop Earrings This glamorous
Category

2010s Indian Contemporary Hoop Earrings

Materials

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

Pair of Natural Cushion Modified Brilliant Diamonds in a 2.03 Carat F VVS1, GIA
Located in רמת גן, IL
Pair of natural cushion-modified brilliant diamonds in a 2.03-carat F VVS1 with excellent cut and
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Dazzling 1pc Natural Diamond W/ 1.01 Ct Cushion Modified Brilliant D If Gia Cert
Located in רמת גן, IL
One dazzling cushion modified brilliant cut natural diamond in a 1.01 carat D IF with excellent
Category

2010s Israeli Loose Gemstones

Materials

Diamond

GIA Certified 3.55Ct Cushion Modified Brilliant Fancy Light Yellow-VS1
Located in San Diego, CA
This is a classic double halo ring with natural yellow diamonds on the interior halo and natural
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Yellow Diamond, 18k Gold

Bespoke GIA Square Pear 19.38 Carat Yellow White Platinum Diamond Drop Earrings
By Hasbani Diamonds
Located in London, GB
- Cornered Rectangular Modified Brilliant GIA Certified Diamonds Y to Z in color with VS1 to VVS2 clarity
Category

2010s British Modern Drop Earrings

Materials

Diamond, White Diamond, Yellow Diamond, Platinum

Ring - 18 kt. White gold - 3.64ct. tw. Diamond (Natural coloured) GIA
By Diamonds Mine
Located in Ramat Gan, IL
out. Center Diamond: Weight: 3.19 Carat Color: Natural Coloured Clarity: I 1 Shape: Cushion Modified
Category

2010s Israeli Art Deco Wedding Rings

Materials

Diamond, 18k Gold, White Gold

Celebration 102 Princess Diamond Halo Ring 1.02 Carat in 14 Karat Gold
By Celebration Diamond
Located in San Diego, CA
Diamond: Princess ( Square Modified Brilliant ) 102 Facets 0.43 cts Color & Clarity: H / SI2 Accent
Category

2010s American Engagement Rings

Materials

Diamond, White Gold

Celebration Princess Diamond Ring 1.09 Carat H SI1 18 Karat White Gold
By Celebration Diamond
Located in San Diego, CA
White Gold Size: 6 - sizable Total Carat Weight: 1.09 cts Diamond Shape: Princess - Modified Square
Category

2010s American Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Celebration Diamond Engagement Ring Princess 0.97 CTS H SI1 18 Karat White Gold
By Celebration Diamond
Located in San Diego, CA
- Sizable Total Carat Weight: 0.97 CTS Diamond Shape: Princess - Modified Square Brilliant Diamond Color
Category

2010s American Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Celebration Diamond Engagement Ring Round 0.98 Carat I SI1 14 Karat White Gold
By Celebration Diamond
Located in San Diego, CA
- Sizable Total Carat Weight: 0.98 CTS Diamond Shape: Round Modified Brilliant Diamond Color & Clarity: I
Category

2010s American Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Celebration Diamond Ring Princess Cut 0.97 Carat G SI2 18 Karat White Gold
By Celebration Diamond
Located in San Diego, CA
Weight: 0.97 Cts. Diamond Shape: Princess ( Square Modified Brilliant ) Diamond Color & Clarity: G
Category

2010s American Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Celebration Diamond Engagement Ring Princess Cut 1.00 CT H VVS2 14KT White Gold
By Celebration Diamond
Located in San Diego, CA
Modified Brilliant ( Princess ) 1.00 CTS Diamond Color & Clarity: H / VVS2 Diamond Inscription
Category

2010s American Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Celebration Diamond Engagement Ring Round 0.97 Carat D SI2 18 Karat White Gold
By Celebration Diamond
Located in San Diego, CA
- Sizable Total Carat Weight: 0.97 CTS Diamond Shape: Round Modified Brilliant Diamond Color & Clarity
Category

2010s American Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Celebration Diamond Engagement Ring Round 1.59 CTS I SI1 14K White Gold GIA
By Celebration Diamond
Located in San Diego, CA
Modified Brilliant Diamond Color & Clarity: I / SI1 Diamond Inscription: CELEBRATION CEL 523797 Hallmark
Category

2010s American Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Leo Diamond Engagement Ring Princess Cut 0.97 Carat 14 Karat Yellow Gold
By The Leo Diamond
Located in San Diego, CA
Total Carat Weight: 0.97 CTS Diamond Shape: Square Modified Brilliant Diamond Color & Clarity: I / SI1
Category

Early 2000s American Engagement Rings

Materials

Diamond, 14k Gold, Yellow Gold

Leo Round Diamond 1.01 Carat Solitaire Ring Platinum and 18 Karat White Gold
By The Leo Diamond
Located in San Diego, CA
: Round Modified Brilliant Color & Clarity: G - SI2 Inscription: Girdle Inscription on Diamond
Category

Early 2000s Solitaire Rings

Materials

Diamond, 18k Gold, White Gold, Platinum

Leo Diamond Journey Necklace Pendant 0.61 Carat Set in 14 Karat White Gold
By The Leo Diamond
Located in San Diego, CA
Modified Brilliant Diamond Color & Clarity: F - G / SI1 - SI2 Diamond Inscription: LEO010046299 Hallmark
Category

Early 2000s American Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

GIA Certified 0.81 Carat Cushion Fancy Deep Orangy Yellow Natural Diamond
By Diamond Stars Jewelry, Inc.
Located in New York, NY
Loose Diamond GIA Certified This is a Natural Diamond Cushion Modified Brilliant Cut The diamond is
Category

21st Century and Contemporary Unknown Contemporary Loose Gemstones

Materials

Diamond, Yellow Diamond

6 Carat Natural Heart Amethyst Modified Royal Crest Deco Necklace 14 Karat Gold
Located in New York, NY
6 carat natural heart-shaped amethyst necklace. Modified Royal Crest design. Amethyst measures
Category

2010s American Pendant Necklaces

Materials

Amethyst, 14k Gold, Yellow Gold

Leo Diamond Three-Stone Princess Cut 1.04 Carat G-H SI1-SI2 Ring 14 Karat Gold
By The Leo Diamond
Located in San Diego, CA
: Square Modified Brilliant Princess Diamond Color & Clarity: center stone - 0.46CT G-H / SI1-SI2
Category

Early 2000s American Engagement Rings

Materials

Diamond, 14k Gold, Yellow Gold, Platinum

GIA Certified 6 Carat Cushion Cut Diamond Ring Diamond Ring
By Antinori Fine Jewels
Located in Chicago, IL
GIA Certified 6.02 Carat D Color VS2 Cushion Modified Brilliant Diamond — Excellent Polish &
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, White Diamond, Platinum

Twin-Stone Fancy Intense Yellow Diamond and Diamond Ring
Located in Weston, MA
A 0.67 fancy intense yellow pear modified brilliant-cut diamond and a 0.62 carat pear brilliant-cut
Category

21st Century and Contemporary Contemporary Bridal Rings

Materials

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

Platinum 2.69 Ct. Diamond Ring
Located in Aventura, FL
platinum and featuring a magnificent 1.38-carat rectangular modified brilliant diamond in H color and VVS
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Diamond, Platinum

3.02 Carat Cushion Brilliant Diamond GIA Certified in Platinum Diamond Ring
Located in Houston, TX
3.02 Carat Cushion Brilliant Diamond GIA Certified in Platinum Diamond Ring A timeless statement
Category

2010s Unknown Engagement Rings

Materials

Diamond, Platinum

1.96 Ct Cushion Brilliant Diamond GIA Certified in 14k White Gold Diamond Ring
Located in Houston, TX
captivating, this diamond ring features a stunning 1.96-carat Cushion Modified Brilliant–cut natural diamond
Category

2010s Unknown Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Contemporary 1.80ct Diamond Cluster Ring
Located in London, GB
This stunning contemporary cluster ring features a sparkling cushion modified brilliant cut diamond
Category

21st Century and Contemporary British Cluster Rings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

18kt Gold Ring 7.17ct Natural Fancy Yellow Oval Diamond 4.5ct White Diamonds
Located in Antwerp, BE
Yellow diamond: Oval modified brilliant, Natural Fancy deep brownish Yellow diamond, 7.17 ct. Comes with
Category

20th Century European Artisan Signet Rings

Materials

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

Graff Diamond Drop Earrings
By Graff
Located in New York, NY
. 2 striking square modified brilliant diamonds graded by the GIA G Color and VVS1 Clarity. The magic
Category

2010s American Modern Drop Earrings

Materials

Diamond, Platinum

Platinum Ceylon Sapphire and Diamond Ring
Located in New York, NY
vivid blue center stone is framed by 2.10 carats of G–VS modified baguette-cut diamonds in an elegant
Category

21st Century and Contemporary Cocktail Rings

Materials

Sapphire, Diamond, Platinum

“Octagon” Deco Natural Diamond Ring
Located in Vero Beach, FL
Delight yourself………………… POW……………….. 14 karat white gold ring. Twenty-Three (23) Modified Round
Category

Vintage 1930s Unknown Art Deco Cluster Rings

Materials

Diamond, 14k Gold

Captivating 0.79ct Diamond Ring
Located in רמת גן, IL
. Product Details: Metal: 18K White Gold Main stone: 1 pc Diamond Shape: Rectangular Modified Color grade
Category

2010s Singaporean Solitaire Rings

Materials

Diamond, White Gold

Oval Treated Vivid Yellow Diamond and Half Moon White Diamond Engagement Ring
Located in Scottsdale, AZ
verified). There is evidence of heat enhancement to the diamond, to modify color and appearance. A
Category

21st Century and Contemporary Unknown Contemporary Engagement Rings

Materials

Yellow Diamond, White Diamond, Diamond, Yellow Gold, White Gold, 18k Gol...

1.00 Carat Diamond Solitaire Ring
Located in London, GB
modified cushion-cut diamond at the centre of the face possessing both clean and white properties
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

GIA Certified 10 Carat Fancy Intense Yellow Diamond Studs
Located in Chicago, IL
A remarkable pair of natural Fancy Intense Yellow cushion modified brilliant diamonds, perfectly
Category

2010s American Contemporary Stud Earrings

Materials

Diamond, Yellow Diamond, Yellow Gold

GIA Certified 4.01 Carat Cushion Cut Diamond Pavé Platinum Ring
By Antinori Fine Jewels
Located in Chicago, IL
This exceptional 4.01-carat Cushion Modified Brilliant diamond is showcased in an elegant platinum
Category

2010s American Engagement Rings

Materials

Diamond, White Diamond, Platinum

GIA Certified 19 Carat Fancy Yellow Cushion Diamond Ring
By Antinori Fine Jewels
Located in Chicago, IL
An exceptional statement ring centered on a GIA Certified 19.18 carat Fancy Yellow cushion modified
Category

2010s American Contemporary Three-Stone Rings

Materials

Yellow Diamond, White Diamond, Diamond, Yellow Gold, White Gold, 18k Gol...

Platinum Diamond Flower Brooch, circa 1950
Located in New York, NY
set throughout with round, baguette and modified trapeze-cut diamonds weighing approximately 19.50
Category

20th Century French Retro Brooches

Materials

White Diamond, Platinum

Tiffany Co. 0.91ct Diamond Halo Ring
By Tiffany Co.
Located in London, GB
stunning 0.91 carat cushion modified brilliant cut diamond at it’s centre. Graded F in colour and VS1 in
Category

21st Century and Contemporary British Engagement Rings

Materials

Diamond, Platinum

Unique 1 Carat Hexagonal Natural Diamond
Located in New York, NY
ITEM DESCRIPTION Stone Shape: CUSHION MODIFIED BRILLIANT Diamond Weight: 1 ct Our Price: $2499.00
Category

21st Century and Contemporary Modern Loose Gemstones

Materials

Diamond

Unique 1 Carat Hexagonal Natural Diamond
Located in New York, NY
ITEM DESCRIPTION Stone Shape: CUSHION MODIFIED BRILLIANT Diamond Weight: 1 ct Our Price: $2499.00
Category

21st Century and Contemporary Modern Loose Gemstones

Materials

Diamond

Platinum, Diamond and Emerald Wristwatch
Located in New York, NY
black Arabic numerals, within a modified rectangular diamond-set case flanked by 2 marquise-shaped
Category

Vintage 1920s Art Deco Wrist Watches

Materials

Diamond, Emerald, Platinum

Cartier Intense Fancy Yellow Colored Diamond Bracelet
By Cartier
Located in New York, NY
modified brilliant-cut white diamonds weighing a total of approximately 24.70 carats and yellow diamonds
Category

Late 20th Century Artist Tennis Bracelets

Materials

Diamond, Yellow Diamond, Platinum

Tiffany Co Soleste Double Row Diamond Engagement Ring
By Tiffany Co.
Located in Bethesda, MD
The Tiffany Soleste Double Row Diamond Ring features a brilliant 0.70-carat cushion-modified center
Category

2010s American Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Engagement Solitaire Platinum Diamond Ring
By Tiffany Co.
Located in Chicago, IL
Authentic Tiffany & Co. 1.08 ct Platinum Princess Brilliant Cut Diamond Solitaire Engagement Ring
Category

2010s American Cocktail Rings

Materials

Diamond, White Diamond, Platinum

GIA Certified 5.80 Total Carat Fancy Yellow Cushion Diamond Ring
Located in Chicago, IL
certified. At its center rests a striking 5.00-carat Fancy Yellow cushion modified brilliant diamond
Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, Yellow Diamond, Platinum

18K Gold Hexagonal Diamond Hand Engraved Ring
Located in Venice, CA
this stunning modified hexagonal brilliant diamond. We fell in love with the unusual shape of the
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, 18k Gold

Bvlgari Fancy Cut Yellow Diamond Trombino Ring
By Bulgari
Located in New York, NY
central impressive gemstone to stand proud as the epicenter of the creation. Cut-Cornered Square Modified
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 18k Gold, Yellow Gold

Tiffany Co. Platinum Soleste 2.04 Carat Diamond Ring
By Tiffany Co.
Located in Chicago, IL
modified brilliant-cut diamond, graded G color and VS1 clarity, radiating exceptional brilliance and fire
Category

2010s American Solitaire Rings

Materials

Diamond, Platinum

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Modified Diamond For Sale on 1stDibs

Surely you’ll find the exact modified diamond you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Frequently made of Gold, 18k Gold and Platinum, this item was constructed with great care. In our selection of items, you can find a vintage example as well as a contemporary version. Finding the perfect modified 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. For this particular piece, .5 Carat and 1 Carat are consistently popular carat weights. A modified diamond from Khai Khai Jewelry, Antinori Fine Jewels and J. Birnbach — each of whom created a beautiful version of this treasured accessory — is worth considering. See these pages for a cushion cut iteration of this accessory, while there are also trillion cut cut and round cut cut versions available here, too. If you’re browsing our inventory for a modified diamond, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is a Modified Diamond?

On average, a modified diamond at 1stDibs sells for $13,890, while they’re typically $1,325 on the low end and $415,000 for the highest priced versions of this item.

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.