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GIA Certified 3 Carat Internally Flawless Clarity Emerald Diamond with pavè
By Antinori Fine Jewels
Located in Chicago, IL
diamond ring, boasting exceptional E color and internally flawless clarity grades. Certified by the
Category

2010s Unknown Contemporary Solitaire Rings

Materials

Diamond, Emerald, Platinum

GIA Certified 15.75 Carat D Color Internally Flawless Emerald-Cut Diamond Ring
By Antinori Fine Jewels
Located in Chicago, IL
GIA Certified 15.75 Carat D Color Internally Flawless Emerald-Cut Diamond Ring Set with Tapered
Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, White Diamond, Platinum

Scarselli 10 Carat Fancy Intense Yellow Internally Flawless Radiant Diamond Ring
By SCARSELLI
Located in New York, NY
Internally Flawless and classically set with a matched pair of white half-moon diamonds F-G color and VS
Category

2010s American Contemporary Cocktail Rings

Materials

Yellow Diamond, White Diamond, 18k Gold, Platinum

GIA Certified 4.06 Carat D Internally Flawless Emerald Cut Diamond Platinum Ring
Located in Chicago, IL
GIA Certified 4.06 Carat D Internally Flawless Emerald Cut Diamond Platinum Ring with Trillion Side
Category

2010s American Engagement Rings

Materials

Diamond, White Diamond, Platinum

GIA Certified 1.64 Carat D Internally Flawless Pear Cut Diamond Platinum Ring
By Antinori Fine Jewels
Located in Chicago, IL
GIA Certified 1.64 Carat D Internally Flawless Pear Cut Diamond Platinum Pavé Band Ring This
Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, White Diamond, Platinum

GIA Certified 3.03 Carat E Color Internally Flawless Emerald Cut Diamond Ring
By Antinori Fine Jewels
Located in Chicago, IL
GIA Certified 3.03 Carat E Color Internally Flawless Emerald Cut Diamond Ring with Trapezoid Side
Category

2010s Italian Contemporary Engagement Rings

Materials

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

Emilio Jewelry 2.50 Carat GIA Certified Internally Flawless Pink Diamond Ring
By Emilio!
Located in New York, NY
Main stone: 2.50 carats Color: Fancy Light Brownish Pink Clarity: Internally Flawless Shape: CUT
Category

21st Century and Contemporary Three-Stone Rings

Materials

Pink Diamond

Emilio Jewelry Gia Certified 4.50 Carat Internally Flawless Pink Diamond Ring
By Emilio!
Located in New York, NY
light pink diamond internally flawless heart shape center. Filled with tremendous fire, sparkle and
Category

21st Century and Contemporary Three-Stone Rings

Materials

Pink Diamond

Internally Flawless Clarity GIA Certified 3 Carat Emerald Cut Diamond Ring
By Antinori Fine Jewels
Located in Chicago, IL
an eternally stylish design. The 3 carat emerald cut center diamond is bright white, completely loop
Category

2010s Unknown Modern Engagement Rings

Materials

Diamond, White Diamond, Emerald, Platinum

Emilio Jewelry Gia Certified Internally Flawless Pear Shape Pink Diamond Ring
By Emilio!
Located in New York, NY
Fifth Avenue, A very special Pink diamond dazzles and stuns weighing just over 2.50 carats. Set with
Category

21st Century and Contemporary Three-Stone Rings

Materials

Pink Diamond

Scarselli 15 Carat Fancy Intense Yellow Diamond Ring Internally Flawless GIA
By SCARSELLI
Located in New York, NY
Diamond with a GIA certificate. The center diamond is surrounded by 48 round brilliant white diamonds
Category

2010s American Contemporary Engagement Rings

Materials

White Diamond, Yellow Diamond, Yellow Gold, Platinum

GIA Certified 3.11 Carat Emerald Cut Diamond D Color Internally Flawless Clarity
By Antinori Fine Jewels
Located in Chicago, IL
rare gem, this D colored diamond sparkles with pristine clarity and an internally flawless, icy hue
Category

2010s Unknown Contemporary Three-Stone Rings

Materials

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

10.85 Carat Emerald-Cut Diamond Ring Type IIA D Color, Internally Flawless
Located in Mumbai, IN
boasts an Internally Flawless (IF) clarity grade, making it an extraordinary gemstone free from visible
Category

2010s Indian Romantic Bridal Rings

Materials

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

11.02-Carat Heart-Shaped Diamond Ring D Color Internally Flawless Type IIA
Located in Mumbai, IN
colorless diamonds, ensuring an unmatched icy brilliance. Its internally flawless clarity makes it a truly
Category

21st Century and Contemporary Indian Modern Bridal Rings

Materials

Diamond, 18k Gold

GIA Certified 1.98 Carats Diamond D / Internally Flawless EX EX EX Ring
Located in New Delhi, Delhi
carats, in perfect round brilliant cut, in D color, Internally Flawless clarity, top color and grade
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, 18k Gold

GIA Certified Internally Flawless Bezel Set 1.01 Carat Emerald Cut Diamond Ring
Located in Houston, TX
This modern engagement ring features a bezel set GIA certified internally flawless 1.01 carat
Category

21st Century and Contemporary American Engagement Rings

Materials

Diamond, 18k Gold, White Gold

GIA Certified 7.46 Carat Fancy Yellow Internally Flawless Cushion Ring
By Antinori Fine Jewels
Located in Chicago, IL
GIA Certified 7.46 Carat Fancy Yellow Internally Flawless Cushion Modified Brilliant Diamond Ring
Category

2010s Italian Modern Engagement Rings

Materials

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

A Cushion Shaped 1.31 ct Fancy Yellow Internally Flawless and VS2 Diamond Earrin
Located in New York, US
A Cushion Shaped 1.31 ct Fancy Yellow Internally Flawless and VS2 Diamond Earrings The Earrings are
Category

2010s Stud Earrings

Materials

Diamond

GIA Certified 3.02 Carat D Internally Flawless Type IIa Pear Cut Diamond Ring
Located in Chicago, IL
GIA Certified 3.02-carat Pear Brilliant Cut Diamond, graded D color and Internally Flawless clarity
Category

2010s American Engagement Rings

Materials

Diamond, Platinum

Internally Flawless Certified 1.50 Carat Princess Cut Engagement Ring
By Antinori Fine Jewels
Located in Chicago, IL
This dazzling and substantial 1.50ct princess cut diamond is bright white, loop clean, and displays
Category

2010s Modern Solitaire Rings

Materials

Diamond, White Diamond, Platinum

Diamond 1.02 carat clarity: internally flawless color: rare white (G) by HRD
Located in Berlin, BE
Indulge in the allure of this breathtaking diamond, a Brilliant cut gem with a weight of 1.02
Category

21st Century and Contemporary Belgian Aesthetic Movement Loose Gemstones

Materials

Diamond

IGI Certified 2.00 Ct Diamonds Internally Flawless EX EX EX 18k Gold Earrings
Located in New Delhi, Delhi
brilliant cut , of 1,00 Ct + 1,00 Ct , D color IF( Internally Flawless)clarity , the best quality of
Category

21st Century and Contemporary Stud Earrings

Materials

Diamond, 18k Gold

Unique Ring Set with Pear Shaped Diamond 3.01 Carat F Color Internally Flawless
By Jewels By Viggi
Located in Palm Beach, FL
Unique ring set with Pear Shaped Diamond F color Internally Flawless, weight 3.01 carat GIA
Category

21st Century and Contemporary American Engagement Rings

Materials

Diamond, 18k Gold

Pair of Stud Earrings Round Diamond 1.40 and 1.40 Carat D Internally Flawless
Located in Geneva, CH
A pair of Ear Studs on platinum. Simple and Elegant! Each one Diamond is a modern Round cut
Category

2010s French Contemporary Stud Earrings

Materials

Diamond, Platinum

Beauvince GIA 2.00 Carat Round H Internally Flawless Engagement Ring
By Beauvince Jewelry
Located in New York, NY
This stunning 2.00 ct H IF GIA certified Round Brilliant Cut Diamond Ring is all the bang for the
Category

2010s Engagement Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

GIA Certified 18.95 Carat Internally Flawless Type II-A Heart-Cut Diamond Ring
By Gad Co.
Located in Miami, FL
This 18.95 Carat, Internally Flawless Type II-A Heart-Shape Diamond is the archetype of luxury. It
Category

2010s Hong Kong Modern Three-Stone Rings

Materials

Diamond, 18k Gold, White Gold

GIA Certified 5.04 Carat Emerald Cut Engagement Ring D Internally Flawless
Located in Victoria,, AU
-certified emerald-cut natural diamond of the highest possible grading: D colour and Flawless clarity. The
Category

2010s American Modern Engagement Rings

Materials

Diamond, Platinum

GIA Certified 0.70 Carat H Colour IF Clarity Diamond
Located in บางรัก, TH
clarity diamond, or Internally Flawless diamond, is one of the highest clarity grades on the diamond scale
Category

2010s Asian Loose Gemstones

Materials

Diamond

GIA Certified 0.72 Carat G Colour IF Clarity Diamond
Located in บางรัก, TH
known as an Internally Flawless diamond is one of the highest clarity grades available. It has no
Category

2010s Asian Loose Gemstones

Materials

Diamond

Tiffany Co. GIA 10.02 Carat D Internally Flawless Emerald Cut Solitaire Ring
By Tiffany Co.
Located in New York, NY
breathtaking 10.02 carat round brilliant diamond, certified by GIA as D color, Internally Flawless clarity, and
Category

21st Century and Contemporary American Contemporary Solitaire Rings

Materials

Diamond, Platinum

GIA Certified Internally Flawless Clarity D Color Cushion Cut Pave Ring
By Antinori Fine Jewels
Located in Chicago, IL
-cut diamond boasting exceptional D color and FLAWLESS clarity grades. Certified by the renowned
Category

2010s Italian Contemporary Solitaire Rings

Materials

Diamond, Gold, 18k Gold, White Gold

GIA Certified 2 Carat Internally Flawless Oval Brilliant Cut White Gold Ring
By Antinori Fine Jewels
Located in Chicago, IL
Beautiful white gold ring, its main stone is a 2 carat oval diamond, E color and internally
Category

2010s Unknown Modern Engagement Rings

Materials

Diamond, White Gold

GIA Certified 1.10 Carat W-X Colour VS1 Clarity Diamond
Located in บางรัก, TH
without the premium price associated with flawless or internally flawless diamonds. Also, our GIA
Category

2010s Asian Loose Gemstones

Materials

Diamond

GIA Certified 1.00 Carat Very Light Green VS1 Clarity Diamond
Located in บางรัก, TH
(Very Very Slightly Included) or IF (Internally Flawless). Diamonds with VS1 clarity are a great balance
Category

2010s Asian Loose Gemstones

Materials

Diamond

GIA Certified 1 Carat Heart Shape 18K Gold Ring Internally FLAWLESS F COLOR
By Antinori Fine Jewels
Located in Chicago, IL
GIA 1 carat Heart Shape With 18K White Gold Diamond Ring Immerse yourself in the eternal beauty
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, Emerald, 18k Gold

5 Carat Flawless Pink Radiant Diamond Bezel Ring
By Rare Colors
Located in New York, NY
Flawless, the diamond exhibits extraordinary transparency—allowing light to pass through with unparalleled
Category

2010s American Modern Solitaire Rings

Materials

Pink Diamond, 14k Gold, Rose Gold

8 Carat Flawless Elongated Radiant Yellow Diamond Engagement Ring
By Rare Colors
Located in New York, NY
-carat GIA-certified Light Yellow diamond of Internally Flawless clarity. The elongated radiant cut
Category

2010s American Modern Engagement Rings

Materials

Yellow Diamond, 18k Gold, Yellow Gold

Emilio Jewelry Gia Certified 3.00Carat Flawless Vivid Oval Yellow Diamond
By Emilio!
Located in New York, NY
Avenue.. Center Stone: 3.00 ct Fancy Vivid Yellow OVAL Internally Flawless! setting: 12 white diamonds
Category

21st Century and Contemporary Three-Stone Rings

Materials

Yellow Diamond

IGI Certified Natural Round D Flawless Diamond 950 Platinum Solitaire Ring
Located in Birmingham, GB
IGI as D colour and Internally flawless clarity. Top spec diamond. This is set in a beautiful
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, White Diamond, Platinum

GIA Certified Flawless Intense Yellow Radiant Diamond 2.37 Carat Tw Gold Ring
Located in New York, NY
Internally Flawless Intense Yellow Radiant Cut Diamond Natural Fancy Deep Orange-Brown Cushion Cut Diamond
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Yellow Diamond, Brown Diamond, Gold, 18k Gold, W...

GIA Certified 3.3 Carat Fancy Intense Yellow Flawless Round Diamond Ring
Located in Miami, FL
GIA certified 3.30 carat round cut fancy intense yellow diamond with internally flawless clarity. A
Category

21st Century and Contemporary Art Nouveau Engagement Rings

Materials

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

GIA Certified Flawless Yellow Baguette Diamond 5.36 Carat TW Gold Drop Necklace
Located in New York, NY
certificates available upon request Natural Internally Flawless Light Yellow Baguette Diamond Natural Fancy
Category

21st Century and Contemporary Contemporary Drop Necklaces

Materials

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

GIA Certified 3 Carat Emerald Cut Diamond Platinum Ring FLAWLESS F COLOR
Located in Chicago, IL
💎 3 Carat Internally Flawless Emerald Cut Diamond Ring 💎 A breathtaking GIA Certified 3.00 carat
Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Platinum

GIA Certified 0.71 Carat G Colour IF Clarity Diamond
Located in บางรัก, TH
effective diamond. Our internally flawless clarity diamond is a rare and highly valuable diamond with no
Category

2010s Asian Loose Gemstones

Materials

Diamond

Vivid Diamonds GIA Certified 10.61 Carat Fancy Intense Yellow Diamond Earrings
By Vivid Diamonds
Located in Miami, FL
two spectacular GIA certified Internally Flawless Fancy Intense Yellow diamonds weighing 10.61 carat
Category

21st Century and Contemporary American Modern Stud Earrings

Materials

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

GIA Certified 1.00 Carat Fancy Light Yellow Green IF Clarity Diamond
Located in บางรัก, TH
(Internally Flawless) diamond clarity grade is one of the highest possible clarity ratings given by
Category

2010s Asian Loose Gemstones

Materials

Diamond

GIA-Certified 1ct Flawless D Color Round Diamond Pendant in 18K Yellow Gold
Located in Jaipur, RJ
round-cut diamond, selected for its Internally Flawless (IF) clarity and rare D color—the most coveted
Category

2010s Indian Art Deco Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

GIA Certified 4 Carat Premium Lenght Emerald Cut E Color Flawless Clarity Ring
Located in Chicago, IL
4.00 Carat GIA Certified E Color Internally Flawless Emerald Cut Diamond Ring in Platinum A
Category

2010s American Engagement Rings

Materials

Diamond, White Diamond, Platinum

Fancy Colored Diamond Earrings
Located in Weston, MA
and fancy grey. 0.60 inches in diameter Mounted in 18k yellow gold Includes one internally flawless
Category

Late 20th Century Contemporary Stud Earrings

Materials

Diamond, White Diamond, Blue Diamond, Yellow Diamond, Pink Diamond, Brow...

Diamond Ring, 1.01 carats
Located in New Orleans, LA
. Certified by the GIA as colorless, or E color, and internally flawless, or IF, the diamond radiates
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

Hancocks 1.52ct Emerald-Cut Diamond Solitaire Ring With Baguette Diamond Band
By Hancocks
Located in London, GB
Gemstones 1.52ct D Internally Flawless vintage emerald cut diamond with GIA certificate (5171708992). 16
Category

21st Century and Contemporary English Engagement Rings

Materials

Diamond

57 Carat Radiant Cut Diamond Necklace
By Antinori Fine Jewels
Located in Chicago, IL
meticulously selected, internally flawless yellow diamonds, this necklace exemplifies ultimate luxury and
Category

2010s Unknown Contemporary Pendant Necklaces

Materials

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

57 Carat Radiant Cut Diamond Necklace
57 Carat Radiant Cut Diamond Necklace
$280,000 Sale Price
20% Off
GIA Certified 10.18 Carat Pear-Shaped Diamond Platinum Ring
Located in Chicago, IL
. Graded G color with an extraordinary Internally Flawless clarity, this diamond belongs to a rare category
Category

2010s American Engagement Rings

Materials

Diamond, White Diamond, Platinum

Fancy Deep Blue Diamond Ring, 1.50 Carats
Located in New Orleans, LA
fancy deep blue diamond is certified by the Gemological Institute of America as Internally Flawless
Category

21st Century and Contemporary Modern Three-Stone Rings

Materials

Diamond, Blue Diamond, Pink Diamond, 18k Gold, Rose Gold, Platinum

GIA Exceptional 10.02 Carat Emerald-Cut Diamond Ring in Platinum
By Antinori Fine Jewels
Located in Chicago, IL
emerald-cut natural diamond, certified by GIA. Graded E color and Internally Flawless clarity, the diamond
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, White Diamond, Platinum

Tiffany Co 1.36ct Diamond Engagement Ring
Located in New York, NY
round brilliant cut diamond that weighs 1.36ct. The color of the diamond is F with Internally Flawless
Category

20th Century Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. 48 Carat Marquise Cluster Diamond Platinum Necklace
By Tiffany Co.
Located in Chicago, IL
perfectly matched D color, Internally Flawless marquise and round brilliant diamonds, artfully set in
Category

2010s American Contemporary Beaded Necklaces

Materials

Diamond, White 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 ringsvintage 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 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
    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 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.