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1.06 Carat GIA Certified Round Diamond 18k White Gold Engagement Ring
1.06 Carat GIA Certified Round Diamond 18k White Gold Engagement Ring

1.06 Carat GIA Certified Round Diamond 18k White Gold Engagement Ring

By FERRUCCI

Located in New York, NY

GIA Certified 1.06 carat G color, IF (Internally Flawless) clarity, triple excellent specs diamond, in an original organic designed mounting, entirely hand made in New York City by m...

Category

2010s American Modern Engagement Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

Issac Nussbaum 18K Yellow Gold 27.32 Carat Oval Cut Y/WH Gold Diamond Bracelet
Issac Nussbaum 18K Yellow Gold 27.32 Carat Oval Cut Y/WH Gold Diamond Bracelet

Issac Nussbaum 18K Yellow Gold 27.32 Carat Oval Cut Y/WH Gold Diamond Bracelet

By Issac Nussbaum

Located in New York, NY

Each diamond is GIA CERTIFIED as being NATURAL FANCY YELLOW in color and having a clarity range from INTERNALLY FLAWLESS to VS .

Category

21st Century and Contemporary Modern Tennis Bracelets

Materials

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

GIA Certified 2.55Carat GIA Diamond Ring in 18K White Gold
GIA Certified 2.55Carat GIA Diamond Ring in 18K White Gold

GIA Certified 2.55Carat GIA Diamond Ring in 18K White Gold

Located in KOWLOON, HK

The internally flawless nature of the diamond ensures that it is free from any imperfections, allowing its natural beauty to shine through with remarkable clarity and brilliance.

Category

2010s Hong Kong Modern Cocktail Rings

Materials

Diamond, 18k Gold, White Gold

11.71 Ct IF Intense Yellow Emerald Cut Diamond Engagement Ring GIA Scarselli
11.71 Ct IF Intense Yellow Emerald Cut Diamond Engagement Ring GIA Scarselli

11.71 Ct IF Intense Yellow Emerald Cut Diamond Engagement Ring GIA Scarselli

By SCARSELLI

Located in New York, NY

The rectangular emerald cut center stone is an evenly colored fancy intense yellow diamond with internally flawless grading. Here is a classic engagement ring design, featuring a ti...

Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Yellow Diamond, 18k Gold, Platinum

Tiffany & Co. Victoria 2.27 Carats Total Alternating Diamond Band Ring Platinum
Tiffany & Co. Victoria 2.27 Carats Total Alternating Diamond Band Ring Platinum

Tiffany & Co. Victoria 2.27 Carats Total Alternating Diamond Band Ring Platinum

By Tiffany & Co.

Located in Scottsdale, AZ

Ring Size: 7.5 Metal: Platinum Natural Diamond: 2.27 cttw Diamond Color: D-G Diamond Clarity: Internally Flawless- VS2 Weight: 5.4 grams Width: 5.8 mm Stamped: T & Co.

Category

2010s Unknown Modern Band Rings

Materials

Diamond, Platinum

J. Birnbach GIA 1.73 Carat Total Fancy Yellow Pear Shape Diamond Toi et Moi Ring
J. Birnbach GIA 1.73 Carat Total Fancy Yellow Pear Shape Diamond Toi et Moi Ring

J. Birnbach GIA 1.73 Carat Total Fancy Yellow Pear Shape Diamond Toi et Moi Ring

By J. Birnbach

Located in New York, NY

With exceptional colorless beauty and Internally Flawless clarity, this diamond offers remarkable brilliance and a crisp, luminous appearance.

Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, Platinum

GIA Certified 8.71 Carat '0.50 Cts' Radiant Platinum Diamond Eternity Ring
GIA Certified 8.71 Carat '0.50 Cts' Radiant Platinum Diamond Eternity Ring

GIA Certified 8.71 Carat '0.50 Cts' Radiant Platinum Diamond Eternity Ring

By Sebastian Bernard

Located in Los Angeles, CA

This beautiful Eternity Ring is made of Platinum showcasing 17 perfectly matched GIA Certified (IF-VS2/D-G) 0.50 Ct Radiant Diamonds Set in Shared Prong Mode. 2 diamonds are E Colo...

Category

2010s American Wedding Rings

Materials

Diamond, Platinum

GIA Certified 0.26 Carat Fancy Deep Brownish Orangy Pink VS2 Clarity Diamond
GIA Certified 0.26 Carat Fancy Deep Brownish Orangy Pink VS2 Clarity Diamond

GIA Certified 0.26 Carat Fancy Deep Brownish Orangy Pink VS2 Clarity Diamond

Located in บางรัก, TH

A VS2 clarity diamond offers an excellent balance between quality and value, making it a popular choice for those seeking high quality diamonds with exceptional clarity, but without ...

Category

2010s Asian Loose Gemstones

Materials

Diamond

GIA Certified White Gold Emerald Cut Diamond Ring 1.07ct F/IF
GIA Certified White Gold Emerald Cut Diamond Ring 1.07ct F/IF

GIA Certified White Gold Emerald Cut Diamond Ring 1.07ct F/IF

Located in Mayfair, London, London

A beautiful emerald cut diamond ring in 18k white gold. The engagement ring is set to the centre with an emerald cut diamond weighing 1.07ct, F colour and IF clarity (internally flaw...

Category

21st Century and Contemporary British Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Spectra Fine Jewelry GIA Certified 2.37 Carat Vivid Yellow Diamond Ring
Spectra Fine Jewelry GIA Certified 2.37 Carat Vivid Yellow Diamond Ring

Spectra Fine Jewelry GIA Certified 2.37 Carat Vivid Yellow Diamond Ring

By Spectra Fine Jewelry

Located in New York, NY

Certified by the Gemological Institute of America (GIA) as Fancy Vivid Yellow and Internally Flawless, the diamond is a true rarity, radiating with unmatched vibrancy and clarity.

Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Yellow Diamond, Platinum

GIA Certified 5.03 Carat Pear Cut F Color IF Clarity Diamond Ring with Halo
GIA Certified 5.03 Carat Pear Cut F Color IF Clarity Diamond Ring with Halo

GIA Certified 5.03 Carat Pear Cut F Color IF Clarity Diamond Ring with Halo

By Antinori Fine Jewels

Located in Chicago, IL

With a clarity grade of internally flawless, the diamond is free from inclusions, showcasing exceptional purity and quality.

Category

2010s Unknown Contemporary Solitaire Rings

Materials

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

Emilio Jewelry GIA Certified 1.00 Carat Fancy Intense Pure Blue Diamond Ring
Emilio Jewelry GIA Certified 1.00 Carat Fancy Intense Pure Blue Diamond Ring

Emilio Jewelry GIA Certified 1.00 Carat Fancy Intense Pure Blue Diamond Ring

By Emilio!

Located in New York, NY

Main stone: 1.01 carats Color: Fancy Intense Blue Clarity: Internally Flawless Shape: MARQUISE Setting: pink diamonds total approximately 0.16 carats, white diamonds total approximat...

Category

21st Century and Contemporary Three-Stone Rings

Materials

Blue Diamond

GIA Certified 1 Carat Emerald Cut Diamond 18k White Gold Ring
GIA Certified 1 Carat Emerald Cut Diamond 18k White Gold Ring

GIA Certified 1 Carat Emerald Cut Diamond 18k White Gold Ring

By Antinori Fine Jewels

Located in Chicago, IL

Its centerpiece is a stunning Natural Emerald Cut diamond, weighing 0.90 ct. With a mesmerizing D color and Internally Flawless clarity, this diamond exudes unparalleled brilliance.

Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

Cipollina White Diamond Pendent Set in 18 Karat White Gold Made in Italy
Cipollina White Diamond Pendent Set in 18 Karat White Gold Made in Italy

Cipollina White Diamond Pendent Set in 18 Karat White Gold Made in Italy

By Annellino Fine Jewellery

Located in London, GB

Further Details 0.03ct White Diamond Internally Flawless F in colour 2,50g of Handcast White 18kt Gold with 80cm Venetian Box White Gold Chain We are able to set bigger stones in th...

Category

21st Century and Contemporary Italian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Black Diamond, 18k Gold, Rose Gold, White Gold, ...

1.68 Carat GIA G/IF Square Emerald Cut Diamond Rose Gold Ring
1.68 Carat GIA G/IF Square Emerald Cut Diamond Rose Gold Ring

1.68 Carat GIA G/IF Square Emerald Cut Diamond Rose Gold Ring

Located in San Francisco, CA

The diamond boasts Internally Flawless clarity and G color, accompanied by GIA report #13379320.

Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Rose Gold

3.66ct GIA Red Burmese Spinel & Diamond Earrings in 18K White Gold
3.66ct GIA Red Burmese Spinel & Diamond Earrings in 18K White Gold

3.66ct GIA Red Burmese Spinel & Diamond Earrings in 18K White Gold

By SONYA K.

Located in Brooklyn, NY

Each pair features untreated cushion-cut Burmese spinels—known in the trade as “Jedi” spinels for their electric red glow—set against the striking geometry of D-color, internally fla...

Category

21st Century and Contemporary American Modern Stud Earrings

Materials

Diamond, Spinel, 18k Gold, White Gold

Victorian 1.60 Ct Old Mine Diamond Trilogy Engagement Ring 18 KT/Silver
Victorian 1.60 Ct Old Mine Diamond Trilogy Engagement Ring 18 KT/Silver

Victorian 1.60 Ct Old Mine Diamond Trilogy Engagement Ring 18 KT/Silver

Located in Napoli, IT

Amazing Victorian late 1800 Diamond trilogy ring in a classy statement design of the era Hand crafted of solid 18 KT gold with Silver portions for the Diamond housing Fine mount stro...

Category

Antique 1890s European Late Victorian Three-Stone Rings

Materials

Diamond, 18k Gold, Silver

GIA Certified 2 Carat Cushion Cut Fancy Yellow IF/VVS1 Diamond Studs Gold Ring
GIA Certified 2 Carat Cushion Cut Fancy Yellow IF/VVS1 Diamond Studs Gold Ring

GIA Certified 2 Carat Cushion Cut Fancy Yellow IF/VVS1 Diamond Studs Gold Ring

By Antinori Fine Jewels

Located in Chicago, IL

These are GIA Certified 2 Carat cushion cut fancy yellow, internally flawless and VVS1 diamond stud earrings set in yellow gold.

Category

2010s Unknown Contemporary Stud Earrings

Materials

Diamond, 18k Gold, Yellow Gold, Gold

Lightning Ridge Black Opal White Diamond Opal Triple Strand 21k Gold Necklace
Lightning Ridge Black Opal White Diamond Opal Triple Strand 21k Gold Necklace

Lightning Ridge Black Opal White Diamond Opal Triple Strand 21k Gold Necklace

By Eva Steinberg

Located in Dallas, TX

The subtly flexible oval setting attaches to ten horizontally-stacked cylindrical elements by way of a 21k gold vertical bar channel-set with 0.13 total carats of internally-flawless...

Category

21st Century and Contemporary German Artist Multi-Strand Necklaces

Materials

Diamond, White Diamond, Multi-gemstone, Opal, Crystal, Black Opal, Gold,...

GIA Certified 0.5ct Marquise Diamond Unisex Chunky Band Ring in 18K White Gold
GIA Certified 0.5ct Marquise Diamond Unisex Chunky Band Ring in 18K White Gold

GIA Certified 0.5ct Marquise Diamond Unisex Chunky Band Ring in 18K White Gold

By VimleshBadaya

Located in Jaipur, RJ

At its center lies a mesmerizing 0.5ct natural marquise-cut diamond, hand-selected for its flawless IF clarity and exceptional D color—the rarest and most luminous grade nature offer...

Category

2010s Indian Art Deco Wedding Rings

Materials

Diamond, Gold, 18k Gold, White Gold

Kat Florence 18K White Gold Diamond 20.56 Carat Indicolite Tourmaline Ring
Kat Florence 18K White Gold Diamond 20.56 Carat Indicolite Tourmaline Ring

Kat Florence 18K White Gold Diamond 20.56 Carat Indicolite Tourmaline Ring

Located in Los Angeles, CA

The center stone is elegantly framed by eight emerald cut D Color, Internally Flawless (D IF) diamonds, adding crisp geometric brilliance that complements the elongated silhouette of...

Category

2010s Cocktail Rings

GIA Certified 3-Stone Ring with 11.18ct Fancy Light Yellow VVS2 Radiant Cut
GIA Certified 3-Stone Ring with 11.18ct Fancy Light Yellow VVS2 Radiant Cut

GIA Certified 3-Stone Ring with 11.18ct Fancy Light Yellow VVS2 Radiant Cut

By M&V Vanguard Jewelry

Located in New York, NY

3 stone ring in Platinum & 18K Yellow Gold Center: 11.18ct Natural Fancy Light Yellow Even VVS2 Radiant shape Diamond GIA#2225264298 Side stones Cadillac Shape: 1.01ct D colo...

Category

2010s American Modern Three-Stone Rings

Materials

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

GIA Certified 2.05 Carat Internally Flawless Diamond Ring
GIA Certified 2.05 Carat Internally Flawless Diamond Ring

GIA Certified 2.05 Carat Internally Flawless Diamond Ring

Located in London, GB

The diamond is graded D colour and IF clarity, meaning it is internally flawless and perfectly colourless: it is the ideal diamond.

Category

2010s British Modern Engagement Rings

Materials

Diamond, Platinum

GIA Certified 3.52 Carat Internally Flawless Diamond Solitaire Ring
GIA Certified 3.52 Carat Internally Flawless Diamond Solitaire Ring

GIA Certified 3.52 Carat Internally Flawless Diamond Solitaire Ring

Located in London, GB

This diamond is a rare and wonderful stone, and the perfect example of a diamond that is both internally flawless and an impressive size.

Category

2010s British Modern Engagement Rings

Materials

Diamond, Platinum

A pair of diamond stud earrings
A pair of diamond stud earrings

A pair of diamond stud earrings

Located in London, GB

Hailing from the collection of Bentley & Skinner, Jewellers by Royal Appointment to His Majesty King Charles III. A pair of internally flawless diamond stud earrings. Of exceptional ...

Category

21st Century and Contemporary British Modernist Stud Earrings

Materials

Diamond, Platinum

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Internally Flawless Diamond For Sale on 1stDibs

You are likely to find exactly the internally flawless 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 Platinum, Gold and 18k Gold. Find an antique version now, or shop for 13 vintage or 115 modern creation for a more contemporary example of these cherished accessories. Finding the perfect internally flawless 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 accessory, there are many different carat weights to choose from, but 1 Carat and 1.5 Carat versions are of considerable interest. An internally flawless diamond from Antinori Fine Jewels, J. Birnbach and Tiffany & Co. — each of whom created a beautiful version of this treasured accessory — is worth considering. See these pages for a round cut iteration of this accessory, while there are also emerald cut cut and oval cut cut versions available here, too. If you’re browsing our inventory for an internally flawless 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 Internally Flawless Diamond?

Prices for an internally flawless diamond can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $2,200 and can go as high as $3,200,000, while this accessory, on average, fetches $49,579.

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 rings, vintage engagement rings or Art Deco engagement rings. 

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

Questions About Internally Flawless Diamond

  • An internally flawless diamond is a diamond that does not have any visible inclusions under a 10x magnification.
  • 1stDibs ExpertApril 5, 2022
    A flawless diamond is a diamond that has no inclusions or blemishes visible under 10X magnification. Flawless diamonds are incredibly rare because all naturally occurring diamonds will have inclusions. Shop a collection of diamond jewelry on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    It is impossible to say the exact number of Flawless diamonds that are in existence. However, diamonds with the Flawless clarity rating are extremely rare. This category consists of around only a half a percent of diamonds in existence. On 1stDibs, find an array of authentic Flawless diamond pieces.
  • 1stDibs ExpertFebruary 13, 2023
    Yes, flawless diamonds are more expensive than diamonds with imperfections. Flawless diamonds have no visible inclusions and the surface of these precious stones is free of blemishes. Flawless diamonds are considered to be rare and of higher quality, which renders them more valuable. The 4Cs, the grading system that was established by the Gemological Institute of America (GIA) in the 1950s, are the guidelines that determine how flawless diamonds are graded. Find diamond jewelry on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    A D flawless diamond is a diamond gemstone of exceptional quality. Gems worthy of the title have the best possible color and clarity grades. Expert gemologists working in third-party laboratories provide the ratings for gemstones. Shop a range of diamond gemstone jewelry on 1stDibs.