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21 Carat

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Gorgeous 11.21 Carat Platinum Diamond Earrings
By Sophia D
Located in New York, NY
Stunning Platinum Set Earrings with round diamonds weighing a total 11.21 carats.
Category

2010s Stud Earrings

Materials

Diamond, Platinum

4.21 Carat Emerald Diamond Bracelet
By Mehnaz Durrani
Located in Richmond, BC
Elegant emerald diamond bracelet. Lively green with brilliance, oval faceted 4.21 carats natural emeralds mounted in an open basket with bead prongs. Accented with round brilliant cu...
Category

21st Century and Contemporary Contemporary Tennis Bracelets

Materials

Diamond, Emerald, 14k Gold

Peacock Sapphire Ring, 5.21 Carats
Located in New Orleans, LA
A peacock-blue sapphire weighing 5.21 carats centers this dazzling ring. With its striking color, stunning beauty and large size, the brilliant step-cut gem displays amazing clarity ...
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Sapphire, Blue Sapphire, Green Sapphire, 18k Gold, White Gold

EGL South Africa Certified 21 Carat Tanzanite Ring
By Antinori Fine Jewels
Located in Rome, IT
EXCEPTIONAL EGL Certified 21 Carat Blue Tanzanite 18 Carats Rose Gold Ring
Category

2010s Modern Cocktail Rings

Materials

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

1.21 Carat White Gold Diamond Ring
Located in Dallas, TX
Such a statement piece! In 14 karat white gold, this ring supports 1.21 carats of baguette and round diamonds! It measures 19.00 mm x 19.00 mm across the top.
Category

21st Century and Contemporary Band Rings

Materials

Diamond, 14k Gold, White Gold

0.21 Carat Diamond Gold Half Band Ring
By Diamond Stars Jewelry, Inc.
Located in New York, NY
Very Classic Half Band Ring. The ring is 14K Yellow Gold. There are 0.21 Carats in Diamonds G VS/SI. The ring is size 6.75, sizable. The ring weighs 2.1 grams. Available 4 rings if y...
Category

21st Century and Contemporary Contemporary Band Rings

Materials

Diamond, White Diamond, Gold, 14k Gold, Yellow Gold

Cartier 1.21 Carat Solitaire 1895 Engagement Ring
By Cartier
Located in New York, NY
Finely crafted in platinum with a 1.21 carat round brilliant cut diamond. F color, VVS1 clarity Size 7, resizable Cartier Valuation Report is available
Category

2010s Engagement Rings

Materials

Diamond, Platinum

1.21 Carat GIA Certified VS1 Diamond Ring
Located in Solvang, CA
Estate 1.21 carat GIA certified VS1 diamond ring. This 18 karat white gold halo engagement ring has a 1.21 carat square modified brilliant diamond with VS1 clarity and G color. This ...
Category

Early 2000s Engagement Rings

Materials

Diamond, 18k Gold, White Gold

GIA Certified 1.21 Carat Diamond Platinum
Located in Hicksville, NY
Ring Size: 6 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3 grams Center Diamond Details: GIA REPORT #: 2213152876 Weight: 1.21 carat Cut: Old European Brilliant Color: J...
Category

Vintage 1910s Edwardian Engagement Rings

Materials

White Diamond, Platinum

3.21 Carat Oval Pink Sapphire and Diamond Ring
By David Gross Group
Located in New York, NY
3.21 carat oval pink sapphire with half moon diamonds .36 carats set in a platinum ring. Ring is currently a size 7. Resizing to your finger size is included.
Category

2010s Contemporary Three-Stone Rings

Materials

White Diamond, Pink Sapphire, Diamond, Platinum

Mozambique 24.21 Carat Ruby Diamond Pendant Necklace
By Mehnaz Durrani
Located in Richmond, BC
Glamorous large ruby diamond pendant necklace. Intense fiery red, high luster, cushion faceted, 24.21 carats natural ruby mounted in high profile with yellow gold eight knife prongs,...
Category

21st Century and Contemporary Contemporary Pendant Necklaces

Materials

Diamond, Ruby, 18k Gold

Elegant Platinum 5.21 Carat Emerald and Diamond Ring
By Sophia D
Located in New York, NY
Platinum gorgeous green emerald weighing 5.21 carat with 2 baguette diamonds on the side with the total weighing of 1.29 carat and 0.24 carat diamond ring.
Category

2010s Bridal Rings

Materials

Diamond, Emerald, Platinum

I Flawless D Color GIA Certified 3.21 Carat Round Diamond Studs
By Antinori Fine Jewels
Located in Rome, IT
I FLAWLESS D Color GIA Certified 3.21 Carat Round Diamond Studs
Category

2010s Modern Clip-on Earrings

Materials

Diamond, White Diamond, 14k Gold

0.21 Carat Diamond Yellow Gold Star Necklace
Located in Dallas, TX
For the star in your life!! This fun 14 karat yellow gold and 0.21 carat diamond necklace is adjustable - can be 16" or extend up to 18". The star is light and bright!
Category

21st Century and Contemporary Link Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

GIA Certified 1.21 Carat Oval Diamond, D Color, VVS2 Clarity
Located in Chicago, IL
G.I.A. certified (certificate number 11315374) 1.21 carat oval diamond, D color, VVS2 clarity. Certificate attached in photos
Category

Early 2000s Contemporary More Jewelry

Materials

Diamond

Flawless GIA Certified 7.21 Carat Round Brilliant Cut Diamond
By Antinori Fine Jewels
Located in Rome, IT
FLAWLESS GIA Certified 7.21 Carat Round Brilliant Cut Diamond D Color EXCELLENT POLISH EXCELLENT SYMMETRY NONE FLUORESCENCE
Category

2010s Modern Engagement Rings

Materials

White Diamond, Diamond

4.21 Carat Colombian Emerald Diamond Gold Ring
Located in Beverly Hills, CA
The type of ring to flaunt at a soiree! This 18KT white gold cocktail ring centers a Colombian Emerald weighing 4.21 carat, prong set and nestled on on a mount of diamonds. The thi...
Category

Mid-20th Century Modern Cocktail Rings

Materials

Diamond, Emerald, Gold

GRS Certified 10.21 Carats Burmese Heated Ring
Located in Bangkok, TH
A new GRS certified 10.21 carats Red Burmese heated ring with diamond accent stones weighing at 4.50 carats. The ruby is set in a 18 Karat mounting and the whole ring weighs about 12...
Category

2010s Solitaire Rings

Materials

Diamond, Ruby, Gold, 18k Gold

Laura Munder 15.21 Carat Aquamarine Yellow Gold Ring
By Laura Munder
Located in West Palm Beach, FL
18 karat yellow gold ring set with square Aquamarine 15.21 carats. Double prong on each corner.Size 6 with a horseshoe.
Category

Early 2000s Cocktail Rings

Materials

Aquamarine, 18k Gold, Yellow Gold

18 Carat and 21 Carat Gold Aquamarine Bracelet
Located in London, GB
Modern link gold bracelet set with ten emerald cut aquamarines weighing approximately 1.25 carat - 1.50 carat each. The stones are individually mounted in solid decorative rub-over o...
Category

2010s Modern Modern Bracelets

Materials

Aquamarine, 18k Gold, Gold

6.21 Carat Diamond Earring in 18 Karat Gold
Located in Bangkok, TH
A brand new diamond earring in 18 karat gold. The total diamond weight is 6.21 carat and total earring weight is 5.12 grams.
Category

2010s Stud Earrings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

0.21 Carat Baguette Diamond Chain Necklace 14 Karat White Gold
By DGI
Located in Los Angeles, CA
This Chain Necklace has a Triangle Shaped pendant that has 5 Baguette Cut Diamonds that weigh 0.21 carats (Clarity: VS, Color: H) The total carat weight of the Pendant is 0.21 Carats...
Category

21st Century and Contemporary Contemporary Chain Necklaces

Materials

Diamond, 14k Gold, White Gold

Rose Gold Sideways Diamond Cross Necklace 0.21 Carat
By Harbor Diamonds
Located in New York, NY
14K Rose gold sideways diamond cross necklace featuring round brilliants weighing 0.21 carats. Color G-H Clarity SI
Category

2010s Contemporary Pendant Necklaces

Materials

Diamond, Rose Gold

White Diamond Band 1.21 Carats 18 Karat White Gold
Located in New York, NY
White Diamond Band 1.21 Carats Set in 18 Karat White Gold Size 6, sizable upon request
Category

21st Century and Contemporary Contemporary Band Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

1.21 Carat Marquise Diamonds Platinum Wing Earrings
By FERRUCCI
Located in New York, NY
FERRUCCI 1.21 carats Marquise shape Diamonds wing earrings made in Platinum in New York City by Italian master jeweler, modern fashion look for every sophisticated woman of every age...
Category

2010s Modern Stud Earrings

Materials

White Diamond, Platinum

GIA Certified 3.21 Carat Radiant Cut Diamond Solitaire Ring D Color
By Antinori Fine Jewels
Located in Rome, IT
GIA Certified 3.21 Carat Radiant Cut Diamond Solitaire Ring D COLOR
Category

2010s Modern Solitaire Rings

Materials

Diamond, White Diamond, Platinum

GIA Certified 3.21 Carat Cushion Cut Diamond Solitaire Platinum Ring
By Antinori Fine Jewels
Located in Rome, IT
GIA Certified 3.21 Carat Cushion Cut Diamond Solitaire Platinum Ring
Category

2010s Modern Solitaire Rings

Materials

Diamond, Yellow Diamond, Platinum

Flawless GIA Certified 21 Carat Round Brilliant Cut Diamond Platinum Ring
By Antinori Fine Jewels
Located in Rome, IT
FLAWLESS GIA Certified 21 Carat Round Brilliant Cut Diamond Platinum Ring
Category

2010s Modern Engagement Rings

Materials

Diamond, White Diamond, Platinum

10.21 Carat Sapphire and Diamond Platinum Ring
Located in Carlsbad, CA
Absolutely stunning deep blue sapphire, when worn in dim lighting it is almost black. Over ten carats, the magnitude of this ring is impeccable. The elegant setting is a classic, uni...
Category

21st Century and Contemporary Fashion Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified 3.21 Carat Purple Sapphire Cocktail Ring
Located in New York, NY
A beautiful cocktail ring featuring a 3.21 carat purple sapphire. Accompanied with a GIA certificate #6167762424, stating that the sapphire is natural with no indication of heat. M...
Category

21st Century and Contemporary Cocktail Rings

Materials

Sapphire, 18k Gold, White Gold

I FLAWLESS GIA 3.21 Carat Round Brilliant Cut Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
This exquisite GIA 3.21 Carat Round Brilliant Cut Diamond has a beautiful open shank pave of natural brilliant cut diamonds with a total weight of 1 carats
Category

2010s Modern Engagement Rings

Materials

Diamond, White Diamond, Platinum

GIA Certified 2.21 Carat Fancy Yellow Diamond Engagement Solitaire Ring
By Antinori Fine Jewels
Located in Rome, IT
GIA Certified 2.21 Carat Fancy Yellow Diamond Engagement Solitaire Ring
Category

2010s Modern Engagement Rings

Materials

Diamond, White Diamond, Yellow Diamond, 18k Gold

33.21 Carat Blue Sapphire Diamond Earrings
By Meghna Jewels
Located in Hoffman Estate, IL
Cast in 18-karat gold & sterling silver, these stunning drop earrings are set with 33.21 carats blue sapphire and .99 carats of sparkling diamonds. FOLLOW MEGHNA JEWELS storefront...
Category

21st Century and Contemporary Contemporary Drop Earrings

Materials

Diamond, Blue Sapphire, Gold, 18k Gold, Sterling Silver

Oval 1.21 Carat Citrine Gem 18 Karat Gold Earrings
Located in Miami, FL
Oval 1.21 Carat Citrine Gem 18k Gold Earrings. The earrings measure 6.80mm X 16.70mm. The total carat weight of the citrine gems are approx 1.21 carats. Beautiful clip back classic d...
Category

Vintage 1980s Clip-on Earrings

Materials

Citrine, 18k Gold

GIA Certified 1.21 Carat Heart Shape Diamond Three-Stone Engagement Ring
By Antinori Fine Jewels
Located in Rome, IT
This exquisite ring is composed by a main 1.21 carats heart shape diamond GIA certified 1.21 carats this stone has an incredible luster and presence accompained by two GIA certified ...
Category

2010s Modern Three-Stone Rings

Materials

Diamond, White Diamond, Platinum

3.21 Carat Black Diamond Hoop Earrings 14 Karat White Gold
By DGI
Located in Los Angeles, CA
There are no words needed to describe these stunners. 136 Round Cut Black Diamonds that weigh 2.21 Carats and 72 Round Cut White Diamonds that weigh 1.00 Carat. The total carat wei...
Category

2010s Contemporary Hoop Earrings

Materials

Black Diamond, Diamond, 14k Gold, White Gold

3.21 Carat Emerald Cut Orange Sapphire and Diamond Ring
By David Gross Group
Located in New York, NY
3.21 carat emerald cut orange sapphire with tapered radiant cut diamonds .63 carats set in a platinum ring. Ring is currently a size 7. Resizing to your finger size is included.
Category

2010s Contemporary Three-Stone Rings

Materials

Diamond, Sapphire, White Diamond, Platinum

I Flawless 2.21 Carat Heart Shape Diamond GIA Certified Pendant Necklace
By Antinori Fine Jewels
Located in Rome, IT
An investment grade 2.21 carat heart shape diamond certified by GIA Internally Flawless Clarity D Color None Fluorescence Excellent Polish Excellent Symmetry
Category

2010s Modern Pendant Necklaces

Materials

Diamond, White Diamond, 18k Gold

Fancy Brown 1.21 Carat Diamond Cocktail Ring
By Mehnaz Durrani
Located in Richmond, BC
Stunning fancy brown diamond cocktail ring. High lustre, a round brilliant cut fancy brown diamond with round brilliant cut diamond mounted in an oxidized checkered pattern. Handcra...
Category

21st Century and Contemporary Contemporary More Rings

Materials

Brown Diamond, Diamond, 14k Gold

GIA Certified 2.21 Carat Emerald Cut Diamond Ring VVS1 Clarity
By Antinori Fine Jewels
Located in Rome, IT
The main stone is an amazing quality GIA Certified 2.21 Carat Emerald Cut Diamond J Color VVS1 Clarity Excellent polish Excellent symmetry None Fluorescence
Category

2010s Modern Engagement Rings

Materials

Diamond, White Diamond, Emerald

5.21 Carat Multi-Color Sapphire 14 Karat Yellow Gold Chandelier Earrings
By Roshe Jewels
Located in San Dimas, CA
5.21 Carat Multi-Color Sapphire 14 Karat Yellow Gold Chandelier Earrings These gorgeous earrings are a one of a kind must have in your accessory wardrobe. There are 56 natural Mul...
Category

21st Century and Contemporary Contemporary Chandelier Earrings

Materials

Pink Sapphire, Yellow Sapphire, Sapphire, Blue Sapphire, 14k Gold, Yello...

Platinum Diamond Plaque Bracelet Unique Design TDW, 21 Carat
Located in Sherman Oaks, CA
Gorgeous Platinum Bracelet w/ Diamond Plaque Stations Each Station articulated, creating a sort of flexible chain Total Diamond Weight = Appx 21 carats Average Color = H - I Average ...
Category

Early 20th Century Art Deco Link Bracelets

Materials

Diamond, Platinum

5.21 Carat Pear Moonstone Tanzanite 18 Karat White Gold Cocktail Ring
By ALPENGEM
Located in Territet, CH
5.21 Carat Pear Moonstone Tanzanite 18 Karat White Gold Cocktail Ring Elegant all time fashion 5.21 Carat Pear Moonstone Tanzanite 18 Karat White Gold Cocktail Ring 6 Tanzanites - 0...
Category

2010s Cocktail Rings

Materials

Moonstone, Tanzanite, Gold, 18k Gold, White Gold

1.21 Carat Cushion Peach Color Sapphire GIA Certified Unheated
Located in San Francisco, CA
This 1.21 carat GIA Certificate: 5202389637 Yellowish Orange Natural Unheated Sapphire was hand-selected by our experts for its top luster. We can custom make for this rare gem any ...
Category

21st Century and Contemporary Engagement Rings

Materials

Sapphire, Yellow Sapphire

GIA Certified 2.21 Carat Emerald Cut 'main stone' Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
GIA Certified 2.21 Carat Emerald Cut Diamond Ring The side diamonds weigh 0.60 carats together for a total weights of the ring of 2.80 Carat.
Category

2010s Modern Engagement Rings

Materials

Diamond, White Diamond, Emerald, Platinum

Roman Malakov, 0.21 Carat Round Diamond Cluster Stud Earrings
By Roman Malakov
Located in New York, NY
A classic pair of stud earrings showcasing a cluster of round brilliant diamonds set in an 18k white gold mounting. Diamonds weigh 0.21 carats total and are approximately F color, SI...
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

Diamond, 18k Gold, White Gold

23.21 Carat Yellow Sapphire and Diamond Cocktail Ring
By Royaal Stones Ltd
Located in Bangkok, Thailand
Make a statement with this gorgeous 23.21 carat Yellow Sapphire and 3.29 carat White Diamond cocktail ring, set in 12.80 grams of solid 18K White Gold. The sapphire is eye clean, no ...
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

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

13.21 Carat Diamond Pave 18 Karat White Gold Bangle
Located in New York, NY
Beautiful bangle featuring 13.21 carats of pave diamonds and set in 18K white gold. 2 1/4 ins. in diameter. Can be purchased and worn as a pair. The other bracelet is in rose gold. ...
Category

21st Century and Contemporary Contemporary Bangles

Materials

Diamond, 18k Gold, White Gold

1.21 Carat Art Deco Diamond Platinum Engagement Ring
Located in Hicksville, NY
Ring Size: 7 Metal Type: Platinum [Hallmarked, and Tested] Weight: 2.7 grams Center Diamond Details: Weight: 1.21carat Cut: Antique Cushion Color: Light Yellow, O/P Clarity: VS2 Si...
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

1.21 Carat Round Shape Peach Sapphire GIA Certified Unheated
Located in San Francisco, CA
This 1.21 carat GIA certified Unheated Natural Brownish Pink sapphire was hand-selected by our experts for its top luster. It faces up Peach in color. We can custom make for this r...
Category

21st Century and Contemporary More Rings

Materials

Pink Sapphire, Sapphire

1.21 Carat Cushion Cut Diamond 14 Karat Yellow Gold Solitaire Ring
Located in Great Neck, NY
1.21 Carats cushion cut diamond set on a 6 prong Yellow gold 14 Karat solitaire Ring. Fancy Brown-Yellow, Clarity SI1 Ring Size 6-3/4
Category

2010s Solitaire Rings

Materials

Diamond, 14k Gold, Yellow Gold

Diamond Earrings 5.21 Carats 98 Diamonds 18K White Gold
Located in Dubai, AE
Diamond Earrings Set With 98 Diamonds. It comes with an appraisal by GIA G.G. Total Carat Weight is 5.21 Carats Diamonds Color is F-G Diamonds Clarity is VVS-VS Metal is 18K White Go...
Category

21st Century and Contemporary Contemporary More Earrings

Materials

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

Color-Change Alexandrite Ring, 6.21 Carats
Located in New Orleans, LA
Weighing 6.21 carats, this captivating oval-cut alexandrite exhibits the unique color change for which these rare stones are so coveted. Displaying a lovely olive green hue in daylig...
Category

21st Century and Contemporary Modern Engagement Rings

Materials

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

18 Kt White Gold 4.21 Carat Tanzanite and Diamond Ring
Located in Palm Desert, CA
Set in a 18 karat white gold mounting, weighing 6 grams, is a 4.21 carat square cut Tanzanite surrounded with 146 Round Brilliant Cut diamonds with a total diamond weight of 0.70 car...
Category

21st Century and Contemporary More Rings

Materials

Diamond, Tanzanite, 18k Gold, White Gold

1.21 Carat Cushion Cut Diamond 14 Karat Yellow Gold Solitaire Ring
Located in Great Neck, NY
1.21 Carats cushion cut diamond set on a 6 prong Yellow gold 14 Karat solitaire Ring. Fancy Brown-Yellow, Clarity SI1 Ring Size 6-3/4
Category

2010s Solitaire Rings

Materials

Diamond, 14k Gold, Yellow Gold

GIA Certified 1.21 Carat Round Brilliant Cut Diamond Pendant Necklace VVS1
By Antinori Fine Jewels
Located in Rome, IT
An exquisite pendant for everyday use set in 18 carats white gold handmade in Italy the main stone weighs 1.21 carats has vvs1 clarity and e color.
Category

2010s Modern Pendant Necklaces

Materials

White Diamond, Diamond, Platinum

Certified 56.21 Carat Paraiba Tourmaline Cabochon 18K Gold Cocktail Ring
By Ena Iro
Located in Geneva, CH
Certified 56.21 Carat Paraiba Tourmaline Cabochon 18K Gold Cocktail Ring A contemporary ring made of 18k white gold and set with: - A cushion shaped Paraiba cabochon weighing a tota...
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Paraiba, 18k Gold

GIA Certified 1.21 Carat Marquise Diamond 14 Karat White Gold Engagement Ring
Located in Baltimore, MD
GIA Certified 1.21 Carat Marquise Diamond 14 Karat White Gold Engagement Ring GIA report number 5212988141 Diamond: 1.21 Carat Marquise Diamond G I1 Metal: 14k White Gold Weight: 2....
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Novelty 4.21 Carat Diamond 9 Carat Gold Peg Design Pendant
Located in St Helens, GB
A fantastically novel pendant piece. Solid 9 carat yellow and white gold piece. Set with many natural round cut diamonds, half black diamonds and half champagne. Marked 421 for 4....
Category

21st Century and Contemporary Contemporary Pendant Necklaces

Materials

Yellow Diamond, Black Diamond, 9k Gold

1.21 Carat Diamond and Sapphire Antique Engagement Ring
Located in San Francisco, CA
With an engraved and pierced vintage mounting, the platinum ring features a gorgeous bezel-set transitional round brilliant-cut diamond, weighing approximately 1.21 carats, graded F ...
Category

Early 20th Century Art Deco Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

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21 Carat For Sale on 1stDibs

On 1stDibs, you can find the most appropriate 21 carat for your needs in our varied inventory. Every item for sale was constructed with extraordinary care, often using Gold, White Gold and 18k Gold. You can easily find a 312 antique edition and 45393 modern creations to choose from as well. Making the right choice when shopping for a 21 carat may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 18th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. As it relates to this specific piece, our collection includes designs that are universally popular, but .5 Carat and 1 Carat carat weights, specifically, are sought with frequency. Finding an appealing 21 carat — no matter the origin — is easy, but LB Exclusive, Roman Malakov and TJD each produced a popular version that is worth a look. Take a look at a 21 carat featuring Diamond from our inventory today to add the perfect touch to your look. See these pages for a round cut iteration of this accessory, while there are also oval cut cut and cushion cut cut versions available here, too. Most of our 21 carat for sale are for women, but there are 10625 pieces available to browse for men.

How Much is a 21 Carat?

Prices for a 21 carat can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $1 and can go as high as $6,999,999, while this accessory, on average, fetches $4,136.