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1 Ct Diamond

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PANIM 1 Ct Diamond Rosecut 18K White Gold Cocktail Ring
By PANIM
Located in Tsim Sha Tsui, Hong Kong
PANIM 1 ct Diamond Rosecut 18K White Gold Cocktail Ring For generations, people have worn past
Category

21st Century and Contemporary Indian Modern Three-Stone Rings

Materials

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

18 kt. White Gold Flower Shape Ring with 1 ct. Diamonds & 0.5 ct. Pink Sapphire
Located in Antwerp, BE
Gorgeous 18 kt. White Gold Flower Shape Ring with 1 ct. Diamonds and 0.5 ct. Pink Sapphire
Category

21st Century and Contemporary Italian Artisan Fashion Rings

Materials

Diamond, Pink Sapphire, White Gold, Rhodium

White Gold 1 CT Diamond Engagement Ring
Located in Dallas, TX
1.00 carat bezel set emerald cut diamond. The center diamond has W color and VS clarity and is accented
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, White Gold

1 CT Diamond 18K White Gold Engagement Ring
Located in Dallas, TX
From the Eiseman Collection, 18 karat white gold engagement ring featuring a 1 carat center round
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, White Gold

19 Ct Pear Cut Emerald & 1 Ct Diamond Halo Pendent/Necklace 14 KW Gold Chain
Located in New York, NY
known weight of 18.76 Ct Pear Cut Emerald & 1 Ct Diamond Halo Pendent/Necklace 14 Kt White Gold
Category

2010s Pendant Necklaces

Materials

Diamond, Emerald, Gold, White Gold, 14k Gold

3 Carat Tanzanite and 1 Ct Diamond Pendant or Necklace 14 Karat Yellow Gold
Located in New York, NY
3 Carat Tanzanite and 1 Ct Diamond Pendant or Necklace 14 Karat Yellow Gold Tanzanite Weight
Category

2010s Drop Necklaces

Materials

Diamond, Tanzanite, 14k Gold, Yellow Gold

1.2 Ct Finest Zambian Pear Emerald & 1 Ct Diamond Ring in 18 Kt Gold Size 6.5
Located in New York, NY
1.2 Ct Finest Emerald in Pear Shape & 1 Ct Diamond Ring in 18 Kt Gold Size 6.5 A Classic, ring Pear
Category

2010s Engagement Rings

Materials

Diamond, Emerald, Gold, 18k Gold

Old Mine Cut 1 ct. Diamond Ring with Diamond Baguettes 0.5 ct.
Located in Paris, IDF
Art Deco inspired ring crafted in 18K White Gold 60 handset stones: white diamonds Carat total
Category

Vintage 1920s European Art Deco Cocktail Rings

Materials

Diamond, White Diamond, 18k Gold

1.5 Ct Finest Colombian Pear Emerald & 1 Ct Diamond Ring in 18 Kt Gold Size 8
Located in New York, NY
1.5 Ct Finest Emerald in Pear Shape & 1 Ct Diamond Ring in 18 Kt Gold Size 8 A Classic, pear
Category

2010s Engagement Rings

Materials

Diamond, Emerald, Gold, 18k Gold

AIG Certified 5.31 Ct Zambia Emerald GIA 1 Ct Diamond 18K Gold Ring
Located in Massafra, IT
cabochon cut of 5,31 carats and a GIA centre diamond, oval cut , of 1 ct ,color K and clarity VS2, and
Category

21st Century and Contemporary Contemporary Fashion Rings

Materials

Diamond, Emerald, 18k Gold

Rare 4.46 Ct Russian Demantoid 1 Ct Diamond Earrings AGL and GIA Certified
Located in Chicago, IL
” inclusions. The demantoids are accented by two bright white diamonds (0.50 ct each, G color, SI1 clarity
Category

2010s Contemporary Dangle Earrings

Materials

Diamond, Garnet, 14k Gold

1.55 CT Yellow Sapphire invisible Set & 1 CT Diamonds 18K White Gold Ring
By Unbranded
Located in Los Angeles, CA
& 1.00 CT Diamonds Color H-L Clarity SI-I Condition: New Estimated Price: $4500 Stock Number: LU1745
Category

2010s American Bridal Rings

Materials

Diamond, 18k Gold

$9500 / Designer Marchesa 1 Ct Diamond Bangle Bracelet / 29.8 Gm 18k Gold
By Marchesa
Located in Rancho Mirage, CA
CT high quality Diamond, very sparkly, VS clarity, D (colorless) color 18K solid Rose gold, stamped
Category

21st Century and Contemporary American Bangles

Materials

Diamond, 18k Gold

AIG Certified 2.40 Carats Zambia Emerald GIA Certified 1 Ct Diamonds Ring
Located in Massafra, IT
quality and grade, spectacular green , of 2,40 carats, and a GIA certified Natural Diamond in pear cut
Category

21st Century and Contemporary Fashion Rings

Materials

Diamond, Emerald, 18k Gold

1981 Classic Collection Wedding Band Ring: 1 Ct Diamonds in 14K White Gold
Located in New York, NY
Diamonds: Twelve meticulously selected round diamonds grace this wedding ring, each securely set in
Category

21st Century and Contemporary Hong Kong Modern Band Rings

Materials

Diamond, 14k Gold, White Gold

1981 Classic Collection Wedding Band Ring: 1 Ct Diamonds in 14K Rose Gold
Located in New York, NY
Diamonds: Twelve meticulously selected round diamonds grace this wedding ring, each securely set in
Category

21st Century and Contemporary Hong Kong Modern Band Rings

Materials

Diamond, 14k Gold, Rose Gold

1981 Classic Collection Wedding Band Ring: 1 Ct Diamonds in 14K Yellow Gold
Located in New York, NY
Diamonds: Twelve meticulously selected round diamonds grace this wedding ring, each securely set in
Category

21st Century and Contemporary Hong Kong Modern Band Rings

Materials

Diamond, 14k Gold, Yellow Gold

1 Ct Diamonds in 14K White Gold 1981 Classic collection Wedding Band Ring
Located in New York, NY
Diamonds: Twelve meticulously selected excellent round diamonds grace this wedding ring, each set
Category

21st Century and Contemporary Hong Kong Modern Band Rings

Materials

Diamond, 14k Gold, White Gold

Certified 1 Ct. Diamond and Emerald Art Deco Style Target Ring in Platinum 950
Located in Bangkok, TH
An Art Deco inspired target ring, boasting a central bezel set GIA certified 1 carat diamond with a
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

Diamond, Emerald, Platinum

1 Ct. Diamond and Ruby Art Deco Style Engagement Ring in 14K White Gold
Located in Bangkok, TH
This outstanding diamond and ruby ring features a central 1 carat round brilliant cut diamond set
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

Diamond, Ruby, 14k Gold, White Gold

Certified 1 Ct. Diamond and Ruby Art Deco Style Target Ring in Platinum 950
Located in Bangkok, TH
An Art Deco inspired target ring, boasting a central bezel set GIA certified 1 carat diamond with a
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

Diamond, Ruby, Platinum

4 Carat Emerald Cut Natural Emerald & 1 Ct Diamond 14 Karat Gold Cocktail Ring
Located in New York, NY
A classic, Cocktail ring Approximately 4 Carat Emerald and Diamond Ring, Estate Gold: 14 Karat
Category

2010s Cocktail Rings

Materials

Diamond, Emerald, 14k Gold

8 Carat Oval Cut Rubellite Tourmaline with 1 Ct Diamonds Cocktail Ring 18k White
Located in Jaipur, RJ
8 carat Oval Cut Rubellite Tourmaline With 1ct Diamonds Cocktail Ring 18k White Available in 18k
Category

Early 2000s Indian Art Deco Cocktail Rings

Materials

Diamond, Tourmaline, 18k Gold

Old Cut 1 Ct. Diamond with Diamond Twist and Sapphire Dinner Ring in White Gold
Located in Bangkok, TH
central 1.2 carat old cut diamond. The main stone is surrounded by a line of French cut blue sapphire and
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

7 Ct Finest Rubelite Cabochon 1 Ct Diamond 18 Kt White Gold Cocktail Ring Size 6
Located in New York, NY
Cabochons in pear shape and 1 Carat Diamond set in 18 Kt White Gold. Crafted with exquisite detail, this
Category

2010s Cocktail Rings

Materials

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

15 mm Round Golden South Sea Pearl & 1 Ct Diamond Cocktail Stud Earrings 14 KG
Located in New York, NY
. Adorning each pearl is a solitaire 1/2 Ct diamond, adding a touch of elegance and brilliance. Designed for
Category

Early 2000s Stud Earrings

Materials

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

18kt White Gold Ring with 1 ct. Brilliant Cut Diamonds
Located in Antwerp, BE
Gorgeous 18 kt. White Gold Ring with approx. 1 ct. Diamonds Diamonds: Brilliant cut diamonds
Category

20th Century European Artisan Engagement Rings

Materials

Diamond, 18k Gold, White Gold

18 kt. White Gold Necklace with 1 ct. Emerald and 1.68 Ct. Diamonds
Located in Antwerp, BE
Gorgeous 18 kt. White Gold Necklace with 1 ct. Emerald and 1.68 Ct. Diamonds Emerald: Green
Category

21st Century and Contemporary Belgian Artisan Drop Necklaces

Materials

Diamond, Emerald, 18k Gold, White Gold

18Kt Gold 10 Ct Ruby Diamond Halo Ring - Luxury Engagement Ring
Located in Fukuoka City, Fukuoka
◆Detail description◆ ◆Solid 18kt Gold (shown in picture) ◆Ruby Weight: 8.2 CT ◆Diamond Carat: 1
Category

2010s Dome Rings

Materials

Diamond, Ruby, Gold

18 kt Yellow Gold Ring with 1.47 ct. Sapphire 1 ct. Brilliant & Baguette Diamond
Located in Antwerp, BE
Brand New 18 kt Yellow Gold Ring with 1.47 ct. Sapphire 1 ct. Brilliant & Baguette Diamonds
Category

21st Century and Contemporary European Modern Fashion Rings

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold

1 Carat Channel Set Princess Cut Diamond Cross Pendant Set In 18K White Gold
Located in Miami, FL
Style: Pendant Metal: White Gold Metal Purity: 18k Stones: 11 Diamond Carat Weight: approx. 1
Category

21st Century and Contemporary North American Modern Pendant Necklaces

Materials

Diamond, White Gold

Emerald Diamond Ring in 18karat Gold
Located in Fukuoka City, Fukuoka
◆Detail description◆ ◆Solid 18k Gold(shown in picture) ◆Natural Emerald Weight: 1 CT ◆Diamond
Category

2010s Cluster Rings

Materials

Diamond, Emerald, Gold

Natural Blue Sapphire Ring 18k White Gold with Diamonds
Located in Fukuoka City, Fukuoka
◆Solid 18kt White Gold(shown in picture) ◆Natural sapphire Weight: 1.50 CT ◆Diamond Carat: 1 CT
Category

2010s Cocktail Rings

Materials

Diamond, Blue Sapphire, White Gold

GIA Certified 1 Carat Diamond Platinum Engagement Ring
Located in Beverly Hills, CA
One GIA certified 1 ct. diamond platinum engagement ring centering one prong set, round brilliant
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

Diamond, Platinum

Flower Brooch Diamond Enamel 18 K
Located in Bad Kissingen, DE
18 k yellow gold front tip in Silver enamel ca. 1 ct diamond 1 yellow sapphire 16,88 gram ca. 6 cm
Category

20th Century European Brooches

Flower Brooch Diamond Enamel 18 K
Flower Brooch Diamond Enamel 18 K
Free Shipping
W 1.58 in L 2.37 in
Vintage Estate 18 Karat White Gold Diamond Band
Located in Great Neck, NY
Weight: Approximately 1 ct Diamond Color: H Diamond Clarity: SI1 Ring Size: 7 Measurements: 10.4 x
Category

Early 2000s Modern Band Rings

Materials

Diamond, 18k Gold

Vintage Estate 18 Karat White Gold Diamond Ring
Located in Great Neck, NY
: Approximately 1 ct. Diamond Color: H Diamond Clarity: SI1 Ring Size: 6.5 (sizable) Measurements: 11.12 x
Category

Early 2000s Modern Band Rings

Materials

Diamond, 18k Gold

Vintage Estate 14 Karat White Gold Diamond Band
Located in Great Neck, NY
Total Diamond Weight: Approximately 1 ct Diamond Color: H Diamond Clarity: VS2 Ring Size: 7 (sizeable
Category

Early 2000s Modern Band Rings

Materials

Diamond, 14k Gold

Natural Cats Eye (chrysoberyl) Diamond Ring
Located in Fukuoka City, Fukuoka
: 1 CT ◆Diamond Carat: 0.15 CT ◆Diamond Shape: Round mixed ◆Total Weight: 3.4 Gram
Category

2010s Cluster Rings

Materials

Chrysoberyl, Diamond, 18k Gold

GIA Certified Platinum Emerald Cut Diamond Studs 1.00 Carat Total
By Lili Jewelry
Located in New York, NY
1 CT diamonds set in low basket 4 prong push back style. GIA certificates for each diamond color
Category

21st Century and Contemporary American Contemporary Stud Earrings

Materials

Diamond, Platinum

GIA Certified Platinum Cushion Cut Diamond Studs 1.00 Carat Total
By Lili Jewelry
Located in New York, NY
1 CT diamonds set in low basket 4 prong push back style. GIA certificates for each diamond color
Category

21st Century and Contemporary American Contemporary Stud Earrings

Materials

Diamond, Platinum

14kt Oval Emerald Ring
Located in Fukuoka City, Fukuoka
Carat: 1 CT ◆Diamond Shape: Round ◆Total Weight: 5.1 Gram
Category

2010s Cluster Rings

Materials

Diamond, Emerald, 14k Gold

14k Rose Gold 1 Carat Petite Round Diamond Six Stone Curved Necklace
Located in Los Angeles, CA
. Gold: 14k Diamond Total Carats: 1 ct Diamond Cut: Round (6 diamonds) Diamond Clarity: VS Diamond Color
Category

2010s North American Pendant Necklaces

Materials

Diamond, Rose Gold

14k Rose Gold 1 Carat Petite Round Diamond Six Stone Curved Necklace
Located in Los Angeles, CA
. Gold: 14k Diamond Total Carats: 1 ct Diamond Cut: Round (6 diamonds) Diamond Clarity: VS Diamond Color
Category

2010s North American Pendant Necklaces

Materials

Diamond, Rose Gold

14k Yellow Gold 1 Carat Petite Round Diamond Six Stone Curved Necklace
Located in Los Angeles, CA
. Gold: 14k Diamond Total Carats: 1 ct Diamond Cut: Round (6 diamonds) Diamond Clarity: VS Diamond Color
Category

2010s North American Pendant Necklaces

Materials

Diamond, Yellow Gold

14k Rose Gold 1 Carat Petite Round Diamond Six Stone Curved Necklace
Located in Los Angeles, CA
. Gold: 14k Diamond Total Carats: 1 ct Diamond Cut: Round (6 diamonds) Diamond Clarity: VS Diamond Color
Category

2010s North American Pendant Necklaces

Materials

Diamond, Rose Gold

14k Rose Gold 1 Carat Petite Round Diamond Six Stone Curved Necklace
Located in Los Angeles, CA
. Gold: 14k Diamond Total Carats: 1 ct Diamond Cut: Round (6 diamonds) Diamond Clarity: VS Diamond Color
Category

2010s North American Pendant Necklaces

Materials

Diamond, Rose Gold

14k Yellow Gold 1 Carat Petite Round Diamond Six Stone Curved Necklace
Located in Los Angeles, CA
. Gold: 14k Diamond Total Carats: 1 ct Diamond Cut: Round (6 diamonds) Diamond Clarity: VS Diamond Color
Category

2010s North American Pendant Necklaces

Materials

Diamond, Yellow Gold

14k Yellow Gold 1 Carat Petite Round Diamond Six Stone Curved Necklace
Located in Los Angeles, CA
. Gold: 14k Diamond Total Carats: 1 ct Diamond Cut: Round (6 diamonds) Diamond Clarity: VS Diamond Color
Category

2010s North American Pendant Necklaces

Materials

Diamond, Yellow Gold

14k Rose Gold 1 Carat Petite Round Diamond Six Stone Curved Necklace
Located in Los Angeles, CA
. Gold: 14k Diamond Total Carats: 1 ct Diamond Cut: Round (6 diamonds) Diamond Clarity: VS Diamond Color
Category

2010s North American Pendant Necklaces

Materials

Diamond, Rose Gold

14k Yellow Gold 1 Carat Petite Round Diamond Six Stone Curved Necklace
Located in Los Angeles, CA
. Gold: 14k Diamond Total Carats: 1 ct Diamond Cut: Round (6 diamonds) Diamond Clarity: VS Diamond Color
Category

2010s North American Pendant Necklaces

Materials

Diamond, Yellow Gold

14k Yellow Gold 1 Carat Petite Round Diamond Six Stone Curved Necklace
Located in Los Angeles, CA
. Gold: 14k Diamond Total Carats: 1 ct Diamond Cut: Round (6 diamonds) Diamond Clarity: VS Diamond Color
Category

2010s North American Pendant Necklaces

Materials

Diamond, Yellow Gold

Natural Sapphire ring
Located in Fukuoka City, Fukuoka
Carat: 1 CT ◆Diamond Shape: Round mixed ◆Total Weight: 5.6 Gram
Category

2010s Signet Rings

Materials

Diamond, Sapphire, 18k Gold

Stunning Ring with a Big Citrine Stone Surrounded by Diamonds
Located in Antwerp, BE
Stunning Ring with a big citrine stone surrounded by diamonds Centre stone: Citrine, 1 Ct
Category

20th Century Artisan Cluster Rings

Materials

Citrine, Diamond, 18k Gold

Vintage Estate 18 Karat White Gold Diamond and Emerald Pendant
Located in Great Neck, NY
: 5.2 Grams Diamond Weight: Approximately 1 ct. Diamond Color: G Diamond Clarity: VS2 Gemstone
Category

Early 2000s Modern Pendant Necklaces

Materials

Diamond, Emerald, 18k Gold

Vintage Circa 1980s 18k Gold Natural Diamond And Sapphire Pendant Necklace
Located in Fatih/İstanbul, 34
In very good condition. Total weight is 4.6 grams. Totally about 1 ct diamond. The diamond has vvs
Category

Vintage 1980s European Retro Pendant Necklaces

Materials

Diamond, Sapphire, 18k Gold

Gorgeous Diamond Spike Cluster Yellow Gold Patterned Ring
Located in Miami, FL
Carat Weight: approx. 1 ct Diamond Color: H Diamond Clarity: VS Total Item Weight (grams): 8.2
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, 14k Gold, Yellow Gold

Art Deco Diamond and Platinum Bracelet
Located in New York, NY
approx. 1 ct diamonds with GIA certificates) all set in platinum. Circa Early 1900's. Length: 7 inches
Category

Early 20th Century European Art Deco Link Bracelets

Materials

Diamond, Platinum

Beautiful Filigree Pear Shaped Ruby and Diamond in White Gold Wave Ring
Located in Miami, FL
Pear Shaped Ruby, 28 Round Brilliant Cut Diamonds Ruby Carat Weight: 1 ct Diamond Carat Weight
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, 14k Gold, White Gold

Baguette Sapphire and Diamond White Gold Full Eternity Ring
Located in Miami, FL
Weight: 1 ct Sapphire Carat Weight: 1 ct Diamond Color: G - H Diamond Clarity: VS Total Carat Weight
Category

21st Century and Contemporary Band Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

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1 Ct Diamond For Sale on 1stDibs

You are likely to find exactly the 1 ct 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 Gold, White Gold and 18k Gold. You can easily find a 2224 antique edition and 4995 modern creations to choose from as well. If you’re looking for a 1 ct diamond from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 18th Century while another version may have been produced as recently as the 21st Century. 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. There have been many well-made iterations of the classic 1 ct diamond over the years, but those made by LB Exclusive, Sarosi By Timeless Gems and Tiffany & Co. are often thought to be among the most beautiful. See these pages for a round cut iteration of this accessory, while there are also oval cut cut and emerald cut cut versions available here, too. Finding a 1 ct diamond for sale for women should be easy, but there are 1476 pieces available to browse for unisex as well as men, too.

How Much is a 1 Ct Diamond?

On average, a 1 ct diamond at 1stDibs sells for $4,022, while they’re typically $100 on the low end and $35,499,968 for the highest priced versions of this item.
Questions About 1 Ct Diamond
  • 1stDibs ExpertFebruary 22, 2021
    Depending on the quality, age, and designer, a 1-carat diamond can cost between $1,300 and $16,500.
  • 1stDibs ExpertApril 5, 2022
    The term 1-carat diamond earrings means a pair of earrings set with diamond gemstones that have a total weight of 200 milligrams. Depending on the design, each earring may hold one diamond or several smaller gems. You'll find a variety of diamond gemstone earrings on 1stDibs.
  • 1stDibs ExpertOctober 5, 2021
    What a 1-carat black diamond is worth varies according to the cut, type (natural/treated) and the demand and supply. Both natural and treated black diamonds increase in value as demand increases. It ranges from $100 to $3,000 per carat. On 1stDibs, you can find a variety of unique and designer black diamond jewelry & watches from different periods to choose from.
  • 1stDibs ExpertSeptember 28, 2021
    A 1-carat pink diamond’s worth depends on the color intensity and carat. High-quality pinks are the most expensive natural diamond color today. The price can vary from $10,000 to $70,000 per carat for an intense pink. On 1stDibs, you will find a variety of pink diamond jewelry from different periods.
  • 1stDibs ExpertNovember 8, 2023
    The term 1 CTTW diamond earrings means a pair of diamond earrings with a total carat weight of 1 carat. Carats are the unit of measurement for gemstones and equals around 200 milligrams. Each earring in a set has an individual carat weight, and the two weights added together give you the total carat weight. So, a pair with a total carat weight of 1 would usually consist of two 0.5 carat earrings. Explore a large selection of diamond earrings on 1stDibs.
  • 1stDibs ExpertFebruary 22, 2021
    The average cost of a pair of 1-carat diamond earrings is around $2,500. However, that price can change depending on the quality of the diamonds and the brand.
  • 1stDibs ExpertSeptember 28, 2021
    Like with most diamond products, the price of a 1-carat princess cut diamond can range dramatically. On 1stDibs, find 1-carat princess cut diamond rings, earrings, necklaces and bracelets starting at $999 to $16,500.
  • 1stDibs ExpertApril 5, 2022
    The difference between Type I and Type II diamonds is their composition. Type I diamonds contain nitrogen-based impurities, while Type II diamonds do not feature these types of impurities. You'll find a large collection of diamond gemstone jewelry on 1stDibs.
  • 1stDibs ExpertOctober 19, 2021
    The average cost of a pair of diamond stud earrings with a total carat weight of 1-carat is $2,495. Depending on the clarity, cut and color of the diamond, the price and other details may vary. On 1sDibs, shop for antique and vintage diamond earrings.