Skip to main content

20 Carat D Flawless

Vintage Deep Green .4 Carat Diamond 18k Yellow Gold Ball Pen Sandalwood Box Set
Located in Wan Chai District, HK
time. The pen features 20 round diamonds, totaling 0.40 carats, that are carefully set to create a
Category

Late 20th Century Hong Kong Contemporary Desk Accessories

Materials

Diamond, 18k Gold, Yellow Gold

Vintage Deep Green .4 Carat Diamond 18k Yellow Gold Ball Pen Sandalwood Box Set
Vintage Deep Green .4 Carat Diamond 18k Yellow Gold Ball Pen Sandalwood Box Set
Free Shipping
H 0.65 in W 0.53 in Dm 0.53 in L 5.44 in
GIA Certified 20 Carat Emerald Cut Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
Golconda Type IIA diamond ring. This breathtaking 20 carat emerald cut gem boasts a rare D color and
Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, White Diamond, Emerald, Platinum

David Rosenberg 10.46 Carats Round GIA Diamond Studs
By David Rosenberg
Located in Boca Raton, FL
. We have a large selection of GIA Certified studs from 2 carat total weight to 20 carat total weight
Category

21st Century and Contemporary American Modern Stud Earrings

Materials

Diamond, White Diamond, 18k Gold, White Gold

GIA Certified 0.72 Carat Diamond 18 Carat Gold Contempoaray Engagement Ring
Located in Hamilton, AU
Forged with love, this 18 carat white gold engagement ring is an exquisite wonder. The gleaming
Category

21st Century and Contemporary Australian Contemporary Engagement Rings

Materials

Diamond, Gold, 18k Gold, White Gold

GLEAMIRE 18K Gold 2.84ct Lab Created Diamond D-VVS Rose-Cut Pear Baguette Ring
By GLEAMIRE
Located in Los Angeles, CA
with a total of 0.43 carat in D-F color and VVS-VS clarity, combined with 1 stones of Rose Cut Pear Lab
Category

2010s Indian Contemporary Cocktail Rings

Materials

Diamond, 18k Gold, White Gold

GIA Certified 1 Carat Emerald Cut Diamond 18k White Gold Ring
By Antinori Fine Jewels
Located in Rome, IT
mesmerizing D color and Internally Flawless clarity, this diamond exudes unparalleled brilliance. Its
Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

David Rosenberg 4.02 Total Carat Round E/VVS2 Triple Excellent GIA Diamond Studs
By David Rosenberg
Located in Boca Raton, FL
carat total weight to 20 carat total weight. Love this diamond but need personalized customization
Category

21st Century and Contemporary American Modern Stud Earrings

Materials

Diamond, White Diamond, 18k Gold, White Gold

David Rosenberg 5.42 Total Carats Round F/VS2 Triple Excellent GIA Diamond Studs
By David Rosenberg
Located in Boca Raton, FL
total weight to 20 carat total weight. Love this diamond but need personalized customization? Please
Category

21st Century and Contemporary American Modern Stud Earrings

Materials

Diamond, White Diamond, 18k Gold, White Gold

GIA Certified Fancy Intense Pink Diamond Double Halo Platinum Ring
By Antinori Fine Jewels
Located in Rome, IT
Side Diamonds weighing approximately 0.56 ct total weight, D-F in color, VVS1-VS2 in clarity. 20
Category

2010s Italian Modern Engagement Rings

Materials

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

Exceptional Tiffany & Co. Emerald Diamond Platinum Cocktail Ring
By Tiffany & Co.
Located in Beverly Hills, CA
grade of internally flawless – VVS and a color grade of D-E-F (truly top stones). This ring was sold by
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Emerald, Platinum

Hirsh Cleopatra Alexandrite and Diamond Pendant
Located in London, GB
D Flawless diamonds, Alexandrites show a magical colour change between a beautiful green in daylight
Category

2010s British Artisan Pendant Necklaces

Materials

Diamond, Alexandrite, Platinum

Hirsh Cleopatra Alexandrite and Diamond Earrings
Located in London, GB
are also available with a matching pendant. Rarer than D Flawless diamonds, Alexandrites show a
Category

2010s British Artisan Drop Earrings

Materials

Alexandrite, Diamond, Platinum

People Also Browsed

Platinum and Solitaire Diamond Ring by Tiffany and Co.
By Tiffany & Co.
Located in Brisbane, QLD
A platinum Tiffany and Company ring with a 0.49 carat brilliant cut diamond. This particular ring features its diamond set in a 'Tiffany setting' which was first introduced in 1886 b...
Category

Late 20th Century American Modern Engagement Rings

Materials

Diamond, Platinum

Emilio Jewelry Gia Certified 2.00 Carat Vivid Pink Diamond Ring
By Emilio!
Located in New York, NY
From The Museum Vault At Emilio Jewelry Located on New York's Fifth Avenue, A true collection piece. Sits in the center a magnificent elongated oval. Gia certified as a natural vivid...
Category

21st Century and Contemporary Three-Stone Rings

Materials

Pink Diamond, Platinum

Emilio Jewelry GIA Certified 7.02 Carat Natural Blue Diamond Ring
By Emilio!
Located in New York, NY
From the museum vault at Emilio Jewelry New York, One of the rarest and only diamonds of its size and color. Please inquire for details.
Category

21st Century and Contemporary Three-Stone Rings

Materials

Blue Diamond

Emilio Jewelry GIA Certified Natural 2.00 Carat Deep Blue Diamond
By Emilio!
Located in New York, NY
From Emilio Jewelry New York, Main Stone: Gia Certified natural 2.00 carat + Fancy Deep Blue Clarity: Vs Matching setting: 12 pink diamonds with a total of about 1.10 carats" Th...
Category

21st Century and Contemporary Three-Stone Rings

Materials

Blue Diamond

1.76 Carat ERS Chain Bracelet in 18K Yellow Gold
By VR Jewels
Located in Houston, TX
Bracelets are worn to enhance the look. Women love to look good. It is common to see a woman rocking a lovely gold bracelet on her wrist. A gold gemstone bracelet is the ultimate sta...
Category

21st Century and Contemporary American Modern Chain Bracelets

Materials

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

Heart garnet ring. 14k Gold Heart Eternity Ring with Heart Garnets!
By Daizy Jewellery
Located in Istanbul, TR
14 kt solid gold heart Eternity ring with heart natural garnets. January birthstone. Heart eternity ring band. Valentines gift jewelry. Full circle of hearts. Weight: 2.2 g. (depen...
Category

2010s Turkish Modern Fashion Rings

Materials

Garnet, 14k Gold

Hermes Birkin 30 Bag Diamond Himalaya Blanc Crocodile White Gold Hardware
By Hermès
Located in Miami, FL
Mightychic offers an exceptional Hermes Birkin 30 Diamond Blanc Himalaya Matte Crocodile. Exquisite coloration and details, this rare and coveted bag is becoming more elusive and dif...
Category

21st Century and Contemporary French Tote Bags

Victorian 14k Gold Pen
Located in Montreal, QC
Victorian 14k yellow gold pen with elaborate chiselled work No monogram, stamped 14k, metal mechanism for refill. No maker mark, 5 1/8 inches long, in excellent condition. Missing a ...
Category

Antique Late 19th Century Unknown Victorian Desk Accessories

Materials

14k Gold

Victorian 14k Gold Pen
Victorian 14k Gold Pen
Free Shipping
L 5.13 in
Double Jaguar 1.74 Carat Diamond Belt Buckle in 18k Yellow and White Gold
Located in Wan Chai District, HK
Add a touch of luxury and glamour to your style with this Double Jaguar 1.74 Carat Diamond 3cm Belt Buckle in 18K Yellow & White Gold. Meticulously crafted from high-quality 18K yell...
Category

Late 20th Century Hong Kong Contemporary Vanity Items

Materials

Diamond, 18k Gold, White Gold, Yellow Gold

Tiffany & Co. Platinum Round Brilliant Cut Diamond Solitaire Ring
By Tiffany & Co.
Located in Rome, IT
Tiffany & Co. Platinum 0.85 ct Total Weight Round Brilliant Cut Diamond Solitaire Engagement Ring. The ring weighs 3 grams, size 5.25, the center stone is a Natural Round Brilliant ...
Category

2010s American Modern Engagement Rings

Materials

Diamond, White Diamond, Platinum

Belle Époque Diamond Tiara
Located in London, GB
A Belle Époque diamond tiara, to the centre three diamond-set clusters with diamond-set foliate decorations and one large diamond-set cluster on each side, all within a waved frame o...
Category

Early 20th Century French Belle Époque More Jewelry

Materials

Diamond, Platinum

Authentic 18 kt white gold "C de Cartier" ring with diamonds
By Cartier
Located in AMSTERDAM, NL
Offered in good condition: A classic C de Cartier diamond ring set in 18k white gold. The ring is handcrafted in solid 18k gold and is designed to be brushed gold in the centre with ...
Category

Early 2000s French More Rings

Materials

Diamond, 18k Gold

Tiffany & Co. 2.5 Carat Old Mine Diamond Platinum Brooch Pin 1900 Antique
By Tiffany & Co.
Located in New York, NY
This is an extraordinary Diamond Platinum Tiffany & Co. Edwardian - Art Deco Brooch Pin with approximately 2.5 Carats of magnificent Old Mine Cut Tiffany Diamonds set in Platinum in ...
Category

Early 20th Century American Edwardian Brooches

Materials

Diamond, Platinum

1.68 Carat Round Brilliant Diamond Engagement Ring 18 Karat White Gold
Located in BEVERLY HILLS, CA
Classic solitaire diamond engagement ring Tiffany style setting. 1.69 carat round brilliant diamond, approximately G color grade and I1/I2 clarity grade. 18-karat white gold, current...
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

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

Vintage Cartier Ring Band 18k Gold Estate Jewelry French
By Cartier
Located in Beverly Hills, CA
A classic Cartier vintage ring band made of 18k gold, diamond and lapis lazuli. The band has a dome looking shape. It is divided in two contrast halves by the gold line in the middl...
Category

Vintage 1970s French Cocktail Rings

Materials

Diamond, Lapis Lazuli, 18k Gold, Yellow Gold

Tiffany & Co. Diamond Solitaire Engagement Ring
By Tiffany & Co.
Located in Bethesda, MD
From Tiffany & Co, a .31 carat Tiffany diamond set in a classic four prong setting • Designer: Tiffany & Co. • Metal: Platinum • Circa: 2019 • Size: 5 ½ resizable • Diamond=.31 car...
Category

21st Century and Contemporary American Solitaire Rings

Materials

Diamond, Platinum

Recent Sales

4.07 Carat Fancy Vivid Emerald Cut Yellow Diamond Three Stone Engagement Ring
Located in London, GB
Cut Fancy Vivid Yellow diamond weighing 4.07 carats is flanked by two D Flawless diamonds all set in
Category

Early 2000s Engagement Rings

Materials

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

64 Facets Elements Emerald and Diamond Bangle in 18 Karat White Gold, 6.15 Carat
By 64 Facets
Located in Los Angeles, CA
Yellow Gold Weight: 20 grams Diamond Weight: 3.25 Carat Gemstone Weight: 2.90 Carat Diamond Color: G
Category

2010s American Contemporary Bangles

Materials

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

64 Facets 6.15 Carat Elements Ruby and Diamond Bangle in 18 Karat Yellow Gold
By 64 Facets
Located in Los Angeles, CA
Alternating rose-cut rubies and diamonds are flawlessly paired with exquisitely crafted smaller
Category

2010s American Contemporary Bangles

Materials

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

64 Facets 6.15 Carat Elements Ruby and Diamond Bangle in 18 Karat Rose Gold
By 64 Facets
Located in Los Angeles, CA
Alternating rose-cut rubies and diamonds are flawlessly paired with exquisitely crafted smaller
Category

2010s American Contemporary Bangles

Materials

Diamond, White Diamond, Ruby, 18k Gold, Rose Gold

64 Facets 6.15 Carat Rose Cut Sapphire Diamond Bangle in 18 Karat Yellow Gold
By 64 Facets
Located in Los Angeles, CA
: 20 grams Diamond Weight: 3.25 carat Sapphire Weight: 2.90 carat Diamond Color: G+ Diamond Clarity
Category

2010s American Contemporary Bangles

Materials

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

64 Facets 6.15 Carat Rose Cut Sapphire and Diamond Bangle in 18 Karat Rose Gold
By 64 Facets
Located in Los Angeles, CA
: 20 grams Diamond Weight: 3.25 carat Sapphire Weight: 2.90 carat Diamond Color: G+ Diamond Clarity
Category

2010s American Contemporary Bangles

Materials

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

GIA 0.38 Carat E Color Diamond Contemporary Ring in 14 Karat Yellow Gold
By Lapis Lazuli Jewellers
Located in Aurora, Ontario
the colourless grading scale (D-E-F) and the clarity is close to internally flawless. The center
Category

21st Century and Contemporary Canadian Contemporary Engagement Rings

Materials

Diamond, 14k Gold, Yellow Gold

Tiffany & Co. Petite "Novo" Cushion Ring with 0.50 Carats total. D SI1 center
By Tiffany & Co.
Located in New York, NY
Tiffany & Co. Petite Novo cushion ring with 0.33 carat center , D color , SI1 clarity with 20 round
Category

2010s American Modern Engagement Rings

Materials

Diamond, Platinum

Harry Winston D Color IF Clarity GIA Certified Diamond Pendant or Necklace
By Harry Winston
Located in New York, NY
Diamond with Color: D and Clarity IF ( internally flawless) with GIAi# xxxxxxxx , set with 9 round
Category

Late 20th Century American Artist Pendant Necklaces

Materials

Diamond, Platinum

Edwardian GIA 1.26 Carats Old European Cut Diamond Platinum Filigree Ring
Located in Beverly Hills, CA
old European cut diamond of 1.26 carat, accompanied with GIA #6223999339 stating the diamond is D
Category

Vintage 1910s Edwardian Engagement Rings

Materials

Diamond, White Diamond, Platinum

Tiffany & Co. Platinum Novo Round Diamond Engagement Ring 1.31 Carat Tw I IF
By Tiffany & Co.
Located in New York, NY
brilliant diamond center weighing 1.15 carats , I color , IF (Internally Flawless) clarity set in a 4 prong
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, White Diamond, Platinum

David Rosenberg 8.08 Total Carats Round F/VS2 Triple Excellent GIA Diamond Studs
By David Rosenberg
Located in Boca Raton, FL
total weight to 20 carat total weight. Love this diamond but need personalized customization? Please
Category

21st Century and Contemporary American Modern Stud Earrings

Materials

Diamond, White Diamond, 18k Gold, White Gold

David Rosenberg 10.06 Total Carats Round H/VS1-VS2 Ex Ex Ex GIA Diamond Studs
By David Rosenberg
Located in Boca Raton, FL
carat total weight to 20 carat total weight. Love this diamond but need personalized customization
Category

21st Century and Contemporary American Modern Stud Earrings

Materials

Diamond, White Diamond, 18k Gold, White Gold

Tiffany & Co. Platinum Novo Diamond Engagement Ring with Round .95ct IVVS2
By Tiffany & Co.
Located in New York, NY
carats total weight ranging in D-F color and IF ( Internally Flawless)- VS2 clarity. This ring is
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Platinum

Incredible Emerald Cut Diamond Ring
Located in New Orleans, LA
An Internally Flawless 1.87-carat emerald cut diamond shines in this elegant ring. Exhibiting the
Vintage Cartier Diamond 18 Karat Gold Earrings
By Cartier
Located in Beverly Hills, CA
20 round brilliant cut diamonds approximately 1.04 carats D-E color VVS clarity. In 18k gold. Circa
Category

Vintage 1960s French Hoop Earrings

Materials

Diamond, 18k Gold, Yellow Gold

Vintage Boucheron Diamond 18 Karat Gold Clip-On Earrings
By Boucheron
Located in Beverly Hills, CA
. The earrings feature 20 round brilliant cut diamonds approximately 0.60 carats D-E color VVS. Circa
Category

Vintage 1980s French Clip-on Earrings

Materials

Diamond, Yellow Gold, 18k Gold

Mid Century Boucheron Diamond Platinum Ear Clip Earrings
By Boucheron
Located in Beverly Hills, CA
by 76 baguette cut diamonds with a total weight of approximately 4.70 carats, graded D-E color, VVS
Category

Vintage 1950s Drop Earrings

Materials

Diamond, Platinum

Cartier Diamond 18 Karat Gold Ring Set
By Cartier
Located in Beverly Hills, CA
weight of approximately 0.60 carat, graded D-E color, VVS clarity. Crafted in 18 karat yellow gold
Category

Early 2000s French Band Rings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Vintage Mauboussin Paris Diamond 18 Karat Yellow Gold Teardrop Necklace
By Mauboussin
Located in Beverly Hills, CA
brilliant cut diamonds with a total weight of approximately 1.00 carat, graded D-E color, VVS clarity
Category

Vintage 1980s French Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

Vintage Piaget Swiss Diamond 18 Karat Yellow Gold Woven Wristwatch
By Piaget
Located in Beverly Hills, CA
brilliant cut diamonds with a total weight of approximately 0.30 carat, graded D-E color, VS clarity
Category

Vintage 1970s Swiss Wrist Watches

Materials

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

Vintage Fabergé Sapphire Diamond Green Guilloche Enamel Ear Clips Earrings
By Fabergé
Located in Beverly Hills, CA
two oval mixed cut blue sapphires with a total weight of approximately 0.55 carat. Accented by 20
Category

Early 2000s Austrian Clip-on Earrings

Materials

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

Vintage David Yurman 18k Gold Emerald and Diamond Double Cable Collar Necklace
By David Yurman
Located in Montclair, NJ
having colorless E/F color and nearly-flawless VVS1/VVS2 clarity totaling approximately 3 full carats
Category

Late 20th Century Choker Necklaces

Materials

Diamond, Emerald, 18k Gold

Vintage Keiselstien Cord Diamond 18 Karat Yellow Gold Wrapped Heart Stud Earring
By KIESELSTEIN-CORD
Located in Beverly Hills, CA
. Featuring 20 round brilliant cut diamonds with a total weight of approximately 0.35 carat, graded D-E color
Category

Vintage 1980s Stud Earrings

Materials

Diamond, 18k Gold, Yellow Gold

Bracelet 18 kt gold diamonds + sapphire cabouchon earrings
Located in Antwerp, BE
exceptional quality and color Diamonds: 238° brilliant cut diamonds = 5.76 ct / D-E color Internally Flawless
Category

21st Century and Contemporary Belgian Artisan Modern Bracelets

Materials

Diamond, Sapphire, Gold

1.57 Carat Fancy Intense Purple-Pink Oval Cut Ring
Located in London, GB
by two D Flawless oval cut diamonds, it's truly unique. Natural and GIA certified. Please note this
Category

Early 2000s Fashion Rings

Materials

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

1.72 Carat Fancy Vivid Orangey Yellow Oval Cut Diamond Ring
Located in London, GB
Fancy Vivid Orangey Yellow, Oval Cut Diamond has a beautiful tone and is centred between two D Flawless
Category

Early 2000s Fashion Rings

Materials

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

South Sea Pearl 2.00 Carat Diamond Gold Earrings
Located in Tampa, FL
colorless, brilliant diamonds and are virtually flawless. It doesn't get any better! Primary Stone(s
Category

21st Century and Contemporary Unknown Modern Dangle Earrings

Materials

Diamond, South Sea Pearl, 18k Gold, White Gold

Get Updated with New Arrivals
Save "20 Carat D Flawless", and we’ll notify you when there are new listings in this category.

20 Carat D Flawless For Sale on 1stDibs

Find the exact 20 carat d flawless you’re shopping for in the variety available on 1stDibs. Every item for sale was constructed with extraordinary care, often using 18k gold, gold and platinum. Find an antique version now, or shop for 1 vintage or 12 modern creation for a more contemporary example of these cherished accessories. Making the right choice when shopping for a 20 carat d flawless may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 20th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. There have been many well-made iterations of the classic 20 carat d flawless over the years, but those made by Antinori Fine Jewels, David Rosenberg and Tiffany & Co. are often thought to be among the most beautiful. A round cut version of this piece has appeal, but there are also oval cut and cushion cut versions for sale. There aren’t many items for men if you’re seeking a 20 carat d flawless, as most of the options available are for women and unisex.

How Much is a 20 Carat D Flawless?

Prices for a 20 carat d flawless can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $3,010 and can go as high as $4,720,000, while this accessory, on average, fetches $143,000.