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Tiffany & Co. Princess Cut Internally Flawless Diamond Solitaire Ring
By Tiffany & Co.
Located in Webster, NY
Classic Tiffany & Co. Princess Cut Internally Flawless Diamond Solitaire Ring with original boxes
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

Vintage GIA Certified Near Flawless Diamond Trilogy Necklace
By Belrose Estate Jewelers
Located in Santa Barbara, CA
Add to your legacy with this vintage trinity diamond necklace. The trio of flawless-near flawless
Category

Late 20th Century American Contemporary Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

GIA Certified 4.28 Carat Radiant Fancy Yellow Internally Flawless Diamond Ring
Located in New York, NY
Flawless Diamond Ring GIA graded as Fancy Yellow, Internally Flawless. Set in our signature 3 stone ring
Category

2010s American Three-Stone Rings

Materials

Diamond, Yellow Diamond, 18k Gold, Platinum

Flawless Diamond Open Heart Cuff Ring
Located in Los Angeles, CA
Celebrate elegance with this stunning 14k Gold Diamond Open Heart Cuff Ring, a perfect blend of
Category

2010s American Modern Fashion Rings

Materials

14k Gold, Rose Gold, White Gold, Yellow Gold, Gold, Platinum

Certified Flawless Diamond Engagement Bracelet for Mom in 18k White Gold
By VR Jewels
Located in New York, NY
This Certified Flawless Diamond Engagement Bracelet for Mom in 18K gold showcases sparkling natural
Category

21st Century and Contemporary American Modern Tennis Bracelets

Materials

Diamond, Gold, 18k Gold, White Gold

GIA Certified 1.51 Carat Fancy Light Brown Pink Internally Flawless Diamond Ring
By Gad & Co.
Located in Miami, FL
GIA Certified 0.51 Carat Radiant Cut Fancy Light Brownish Pink Internally Flawless Diamond With
Category

21st Century and Contemporary North American Contemporary Engagement Rings

Materials

Pink Diamond, Diamond, White Gold, Rose Gold, 18k Gold, Gold

GIA Certified Natural Internally Flawless Diamond Bracelet
Located in Boca Raton, FL
diamonds are GIA certified with D color and Internally Flawless clarity, and are graded Excellent for
Category

21st Century and Contemporary American Link Bracelets

Materials

Diamond, Gold, 18k Gold, White Gold

D Color Internally Flawless Diamond Ring Type IIA The Pinnacle of Purity
Located in Mumbai, IN
This D Color Internally Flawless diamond ring is a testament to extraordinary rarity and unmatched
Category

21st Century and Contemporary Indian Empire Bridal Rings

Materials

Diamond, White Diamond, 18k Gold

GIA 1.60ct D Internally Flawless Diamond Engagement Ring
Located in New York, NY
cushion cut diamond that weighs 1.60ct. The color of the diamond is D with Internally Flawless clarity
Category

20th Century Engagement Rings

Materials

Diamond, Platinum

GIA Certified Natural Flawless Diamond Double Eternity Ring
Located in Boca Raton, FL
Flawless clarity. The diamonds are rated Excellent for cut, polish, and symmetry, ensuring exceptional
Category

21st Century and Contemporary American Fashion Rings

Materials

Diamond, 18k Gold, White Gold

GIA Certified Natural Internally Flawless Diamond Wreath Necklace
Located in Boca Raton, FL
flawless. Each diamond boasts excellent polish, with no fluorescence, ensuring a flawless and radiant
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Gold, 18k Gold, White Gold

GIA Certified Natural Internally Flawless Diamond Tennis Bracelet
Located in Boca Raton, FL
diamonds. The diamonds are GIA certified with D color and Internally Flawless clarity, and are graded
Category

21st Century and Contemporary North American Tennis Bracelets

Materials

Diamond, Gold, 18k Gold, White Gold

GIA Certified Natural Internally Flawless Diamond Pendant Necklace
Located in Boca Raton, FL
, tapered baguette, and emerald cut diamonds. The diamonds are GIA certified with D color and Flawless
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Gold, 18k Gold, Yellow Gold

GIA Certified Natural Internally Flawless Diamond Halo Earrings
Located in Boca Raton, FL
Flawless clarity. The diamonds are graded Excellent for cut, polish, and symmetry. Weighing 17.9 grams
Category

21st Century and Contemporary American Stud Earrings

GIA Certified 5.00 Carat D color Internally Flawless Diamond
Located in Massafra, IT
An exquisite rare GIA certified Natural Diamond, in perfect emerald cut , D color , Flawless
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

White Gold GIA Certified Natural Internally Flawless Diamond Earrings
Located in Boca Raton, FL
: 18k White Gold Diamond Details: 5.6ctw D Color Internally Flawless Clarity Polish: Excellent Symmetry
Category

21st Century and Contemporary American Dangle Earrings

Materials

Diamond, Gold, 18k Gold, White Gold

Diana M. 19.85 Carat Marquise Cut Flawless Diamond Ring
By Diana M. Jewels
Located in New York, NY
. 19.85 Carat Marquise J Color Internally Flawless, set with 1.50 Carats of diamonds in Platinum
Category

21st Century and Contemporary American Solitaire Rings

Materials

Diamond, Platinum

GIA Certified 1.01 carat Colorless & Internally Flawless Diamond Ring
Located in New York, NY
the heart of this magnificent ring lies a stunning 1.01 carat oval diamond, graded F for its colorless
Category

2010s Contemporary Engagement Rings

Materials

Diamond, Platinum

14 White Gold GIA Certified Flawless Diamond Pendant Necklace
Located in Boca Raton, FL
radiates pure, icy white light. With internally flawless (IF) clarity, this diamond showcases remarkable
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Gold, 14k Gold, White Gold

Diamond Ring with Three IF(internally flawless) Diamonds, Color:F
Located in Berlin, BE
), contributing to a refined finish and flawless symmetry. Flanking this central diamond are two perfectly
Category

21st Century and Contemporary German Aesthetic Movement Three-Stone Rings

Materials

Diamond, White Gold, 18k Gold, Gold

.74 Carat Vivid Yellow Internally Flawless Diamond Three-Stone Ring
By Pampillonia
Located in Bethesda, MD
Internally Flawless ♦ 2 Emerald cut diamonds= .24 carats ♦ Circa 2020 ♦ Size 6, Resizable ♦ Packaging
Category

2010s American Three-Stone Rings

Materials

Diamond, 18k Gold, Platinum

IGI Certified Natural Round D Flawless Diamond 950 Platinum Solitaire Ring
Located in Birmingham, GB
IGI Certified Natural Round D Flawless 0.30ct Diamond 950 Platinum Solitaire Ring. A beautifully
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, White Diamond, Platinum

GIA Certified 2.48 Carat Natural Fancy Yellow Flawless Diamond Platinum Ring
Located in Los Angeles, CA
Radiant Cut Internally Flawless GIA Natural Fancy Yellow, the ring is set with 76 Natural Round
Category

2010s Modern Cocktail Rings

Materials

Diamond, Platinum

Kat Florence 18k Yellow Gold 1.20ctw Flawless Diamonds Drop Dangle Earrings
Located in Montclair, NJ
–Stones– 208 Natural Genuine Diamonds- Round Brilliant Cut - Pave & Burnish Set - D Color
Category

21st Century and Contemporary Drop Earrings

Materials

Diamond, Yellow Gold

GIA Certified 7.4 Carat Emerald Cut D Flawless Diamond Platinum Ring
Located in Chicago, IL
central diamond is GIA certified, ensuring its quality and authenticity, with a D color and FLAWLESS
Category

2010s American Engagement Rings

Materials

Diamond, Emerald, Platinum

Emilio Jewelry Gia Certified 10.00 Carat Fancy Yellow Flawless Diamond Earring
By Emilio!
Located in New York, NY
/Gia Building in New York's Diamond District. This item has been appraised by the experts at the
Category

21st Century and Contemporary Drop Earrings

Materials

Yellow Diamond

Emilio Jewelry Gia Certified 23.00 Carat Fancy Intense Flawless Diamond Ring
By Emilio!
Located in New York, NY
Fifth Avenue,  Spectacularly saturated and mind blowing Gia Certified Fancy Intense Yellow Diamond is
Category

21st Century and Contemporary Three-Stone Rings

Materials

Yellow Diamond

Emilio Jewelry Gia Certified 28.00 Carat Intense Yellow Flawless Diamond Ring
By Emilio!
Located in New York, NY
Intense Yellow Diamond, Flawless clarity. Please inquire for more images, certificates, details, and any
Category

21st Century and Contemporary Three-Stone Rings

Materials

Yellow Diamond

18k White Gold GIA Certified Natural Internally Flawless Diamond Tennis Bracelet
Located in Boca Raton, FL
diamonds. The diamonds are GIA certified with D color and Internally Flawless clarity, and are graded
Category

21st Century and Contemporary American Tennis Bracelets

Materials

Diamond, Gold, 18k Gold, White Gold

0.77 Carat Emerald Cut Gia Certified H Color Internally Flawless Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NY56827 Stone Shape: EMERALD CUT Diamond Weight: 0.77ct Clarity: INTERNALLY
Category

Antique 15th Century and Earlier Loose Gemstones

Materials

White Diamond

18k White Gold GIA Certified Natural Internally Flawless Diamond Bangle Bracelet
Located in Boca Raton, FL
brilliant diamonds, set with 19 stones. Each stone is approximately 0.35 carats. The diamonds are GIA
Category

21st Century and Contemporary American Bangles

Materials

Diamond, Gold, 18k Gold, White Gold

Emilio Jewelry GIA Certified Natural Vivid Blue Internally Flawless Diamond Ring
By Emilio!
Located in New York, NY
investment diamond only found once in a lifetime. This natural untreated diamond achieved the highest color
Category

21st Century and Contemporary Three-Stone Rings

Materials

Blue Diamond

GIA Certified 1.03 F (Colorless) Internally Flawless Diamond Three Stone Ring
Located in New York, NY
Flawless (IF) clarity, ensuring unparalleled brilliance and purity. The diamond's certification details are
Category

2010s American Contemporary Three-Stone Rings

Materials

Diamond, Platinum

Diana M. Dazzling Riviera Necklace with 45.49cts all GIA flawless diamonds
By Diana M. Jewels
Located in New York, NY
Dazzling Diamond Riviera Necklace set with 45.49cts 73 stones total All GIA Certified Near
Category

20th Century North American Modern Choker Necklaces

Materials

Diamond, 18k Gold

J. Birnbach GIA Certified 6.01ct Radiant Cut Internally Flawless Diamond Ring
By J. Birnbach
Located in New York, NY
stunning ring is a rare GIA certified internally flawless 6.01 carat radiant cut diamond, cut to perfection
Category

21st Century and Contemporary North American Contemporary Engagement Rings

Materials

Diamond, Platinum

GIA Certified 5 Carat Solitaire Round Flawless Diamond with pave ring
By Antinori Fine Jewels
Located in Chicago, IL
precision, the setting showcases the central diamond flawlessly, allowing its brilliance to take the
Category

2010s Unknown Contemporary Solitaire Rings

Materials

Diamond, Gold, 18k Gold, White Gold

Lug Bracelet in 22 Carat Yellow Gold, 167 Internally Flawless Diamonds
By Colleen B. Rosenblat
Located in Hamburg, DE
precious basics lug bracelet 22 carat yellow gold 167 brilliant cut diamonds 1.44 ct TW/IF
Category

2010s German Contemporary Chain Bracelets

Materials

Diamond, 22k Gold, Yellow Gold

Kat Florence 18k Gold 0.48ctw Flawless Diamond Open Work Dangle Dop Earrings
Located in Montclair, NJ
--Stone(s):-- (80) Natural Genuine Diamonds - Round Brilliant Cut - Burnish Set - D Color
Category

21st Century and Contemporary Dangle Earrings

Materials

Diamond, 18k Gold

GIA Certified 5 Carat Pear D Color Internally Flawless Diamond Engagement Ring
Located in Chicago, IL
diamond. Graded D in color, the rarest and most pristine hue, and boasting Internally Flawless clarity
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Platinum

GIA Certified 1.03 Carat Natural, E Color, Internally Flawless Diamond Band Ring
Located in Tokyo, JP
A gorgeous Unisex Ring featuring a GIA Certified E, Internally Flawless, 1.03 Carat Natural Diamond
Category

21st Century and Contemporary Japanese Modern Engagement Rings

Materials

Diamond, Platinum

Kat Florence D Flawless Diamond Butterfly Stud Earrings in 18 Karat Yellow Gold
Located in Scottsdale, AZ
brought to life with a flawless marquise diamond, brilliantly positioned as the body of the butterfly. The
Category

21st Century and Contemporary European Contemporary Stud Earrings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Kat Florence 18k Yellow Gold 2.52ctw Emerald & D Flawless Diamond Ring w/ Box
Located in Montclair, NJ
 - AAA Qualtiy - 2.01ct exact 120 Natural Genuine Diamonds - Round Brilliant Cut - Pave Set - D Flawless
Category

21st Century and Contemporary Solitaire Rings

Materials

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

Hearts on Fire Round 0.667ct Flawless Diamond Engagement Ring in 18k White Gold
By Hearts On Fire
Located in San Diego, CA
Diamond Diamond Color & Clarity: H-IF (INTERNALLY FLAWLESS) Hallmarks: HOF 750 on the Ring DIAMOND
Category

Early 2000s American Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Kat Florence 18k Gold Lotus 2.27ctw No Heat Ruby D Flawless Diamond Ring w/ Box
Located in Montclair, NJ
- No Heat - 7.53x6.15mm - 1.40ctw exact 138 Natural Genuine Diamonds -Round Brilliant Cut - Pave Set
Category

21st Century and Contemporary Cocktail Rings

Materials

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

Gorgeous 18 Karat Pink Gold Flower-Shaped Statement Earrings with 242 Diamonds
By Jewels By Viggi
Located in Palm Beach, FL
Gorgeous 18K Pink Gold Flower-Shaped Statement Earrings with 242 Flawless Diamonds weighing 4.57
Category

2010s American Modern Stud Earrings

Materials

White Diamond, 18k Gold

GIA Certified 3 Carat Emerald Cut D Color Flawless Clarity Diamond Ring
By Antinori Fine Jewels
Located in Chicago, IL
, offering unparalleled brilliance and purity. A treasure of nature, this Flawless diamond is free from any
Category

2010s Unknown Contemporary Engagement Rings

Materials

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

GIA Certified 2.50 Carat Oval Diamond Ring with pavé E Color Flawless Clarity
By Antinori Fine Jewels
Located in Chicago, IL
a pristine, colorless appearance. A treasure of nature, this Flawless diamond is free from any
Category

2010s Unknown Contemporary Engagement Rings

Materials

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

Vivid Diamonds GIA Certified 7.23 Carat Emerald Cut Diamond Engagement Ring
By Vivid Diamonds
Located in Miami, FL
exquisite internally flawless diamond is a Type IIa diamond, meaning that this diamond contains little, if
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Platinum

GIA Certified 3 Carat Emerald Cut Diamond D Color Flawless Clarity
By Antinori Fine Jewels
Located in Chicago, IL
gem, this D colored diamond sparkles with pristine clarity and a flawless, icy hue. With an
Category

2010s Unknown Contemporary Three-Stone Rings

Materials

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

GIA Certified 2.00 Carat Pear Cut Diamond D Color Flawless Clarity Type II A
By Antinori Fine Jewels
Located in Chicago, IL
brilliance. With an exceptional lack of imperfections, this Flawless diamond represents the pinnacle of
Category

2010s Unknown Contemporary Engagement Rings

Materials

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

Kat Florence D Color Flawless Round Diamond Starburst Ring, 18 Karat White Gold
Located in Scottsdale, AZ
mesmerizing piece of jewelry that captures the essence of celestial beauty. Each flawless diamond, graded D on
Category

21st Century and Contemporary Unknown Contemporary Cocktail Rings

Materials

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

4.02 Carat Marquise Shaped Diamond in a Shark's Mouth Cufflink
By GEMME
Located in New York, NY
The Ultimate Statement Cufflink for the Ultimate Shark. D Flawless Diamonds. Each Diamond weighing
Category

2010s American Cufflinks

Materials

Diamond, 18k Gold, Rose Gold, White Gold

Vintage 3.11 Oval Brilliant Cut Type IIa Diamond Platinum Engagement Ring
By Steven Fox Jewelry
Located in Greenwich, CT
engagement ring is simply flawless. Diamond color D. Clarity VS1. Diamond circa 1925. GIA certificate
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Platinum

TYPE 2A GIA Certified 5 Carat Oval Cut Diamond D Color Flawless Clarity
By Antinori Fine Jewels
Located in Chicago, IL
, this D colored diamond sparkles with pristine clarity and a flawless, icy hue. With an exceptional
Category

2010s Unknown Contemporary Three-Stone Rings

Materials

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

TYPE 2A GIA Certified 6.02 Carat Oval Diamond Dangle Earrings
Located in Chicago, IL
certified perfect match d color internally flawless and flawless diamonds are surrounded by round brilliant
Category

2010s American Contemporary Clip-on Earrings

Materials

Diamond, 18k Gold

GIA Certified 10 Carat Round Cut Diamond Ring D Color Flawless Type IIA
By Antinori Fine Jewels
Located in Chicago, IL
sparkle. With an exceptional lack of imperfections, this Flawless diamond represents the pinnacle of
Category

2010s Italian Contemporary Engagement Rings

Materials

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

TIFFANY & CO Round Diamond 0.74tcw E IF Engagement Ring Channel-set Diamond Plat
By Tiffany & Co.
Located in San Diego, CA
, Internally Flawless Diamond Inscription: T&CO.L09030547 Accent Diamonds: 14 Round Brilliant Diamonds 0.21
Category

2010s Engagement Rings

Materials

Diamond, Platinum

GIA Certified 4 Carat Radiant Diamond Platinum Ring
Located in Chicago, IL
GIA Certified 4 Carat Flawless Diamond Ring with Tapered Baguettes in Platinum A true masterpiece
Category

2010s American Engagement Rings

Materials

Diamond, White Diamond, Platinum

GIA Certified 4.96 Carat Radiant Diamond Platinum Ring
Located in Chicago, IL
GIA Certified 4.96 Carat Flawless Diamond Ring with Tapered Baguettes in Platinum A true
Category

2010s American Engagement Rings

Materials

Diamond, White Diamond, Platinum

18K White Gold 11 ct Diamond Earrings
By MOISEIKIN
Located in Hong Kong, HK
briolette drops swing freely. The earring clips are also embedded with flawless diamonds. These light and
Category

2010s Russian Contemporary Dangle Earrings

Materials

Diamond, 18k Gold, White Gold

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Flawless Diamonds For Sale on 1stDibs

Find an expansive variety of flawless diamonds available on 1stDibs. Frequently made of Platinum, Gold and 18k Gold, these items were constructed with great care. Our selection of items includes 28 vintage examples as well as 223 contemporary versions. Our inventory has long been popular, and it includes earlier versions that date to the 20th Century and newer variations that were made as recently as the 21st Century. Pieces in our collection of flawless diamonds made by Modern jewelers — as well as those associated with Contemporary — are very popular. Versions of these items have been a part of the life’s work for many jewelers, but those produced by Antinori Fine Jewels, J. Birnbach and Paul Spurgeon are consistently popular. A selection of round cut, emerald cut and oval cut can be found today on these pages. If you’re browsing the variety of flawless diamonds for sale, you’ll find that many are available today for women, but there are still pieces to choose from for men.

How Much are Flawless Diamonds?

Prices for flawless diamonds start at $1,128 and top out at $4,450,000 with these rings, on average, selling for $61,750.

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 Flawless Diamonds
  • 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
    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.
  • 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.
  • An internally flawless diamond is a diamond that does not have any visible inclusions under a 10x magnification.