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Diamond Color K

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225
2,074
858
894
850
775
2,824
696
195
97
85
8
132
1,451
1,332
80
63
172
129
35
52
12
28
14
27
6
2,242
661
38
931
374
232
169
113
to
27
19
12
11
9
521
442
330
110
104
42
25
8
2
1
1
2,938
3
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Diamond Cocktail Ring in 18 Karat Yellow Gold
Located in New York, NY
weight : 2.85 carat ( K color and VS2 clarity) Metal : 18 k yellow gold Ring head : 1/2 inch by 1 inch
Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, Yellow Gold

1.50 Carat Total Marquise and Pear Diamond Ring White Gold GIA
Located in New York, NY
Simply lovely! This ring features a 1.30 carat marquise diamond with K color and VS2 clarity. The
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, White Diamond, 14k Gold, White Gold

Art Deco Diamond Emerald and Black Enamel Pendant
Located in New York, NY
An Art Deco Pendant centering an impressive pear shape diamond (9.37 cts, K color, S12), the
Category

Vintage 1920s Italian Art Deco Pendant Necklaces

Materials

Diamond, Emerald, Platinum

1 Carat Pear Shape Diamond and Sapphire Pendant in Platinum
Located in Boca Raton, FL
Weight: 1.09ctw. Diamond Color: J/K. Diamond Clarity: SI. Gemstone: .74ctw of Blue Sapphires. Mounting
Category

American Necklace Enhancers

Materials

Diamond, Sapphire, Platinum

14 Karat Yellow Gold and Diamond Cross Pendant
Located in Washington Depot, CT
. Diamond color: I-K Diamond clarity: SI1-I1 Size: 26 mm x 15 mm Weight: .7 dwt. / 1.0 gr. Stamped
Category

20th Century Pendant Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

Antique 18K Yellow Gold Diamond Bracelet #15828
Located in Washington Depot, CT
total diamond weight: .50 cts Diamond color: J-K Diamond clarity: SI1-I1 Size: 7.25" Width: 6mm
Category

20th Century Link Bracelets

Materials

White Diamond, Gold, 18k Gold, Yellow Gold

Vintage 14K Gold 4.3 Carat Diamond Bracelet
Located in Henderson, NV
round brilliant cut diamonds: 4.30 ctw. Color: K-L, Clarity: SI2-I1 Measurements: Width: 4.0 mm Length
Category

Late 20th Century American Contemporary Tennis Bracelets

Materials

Diamond, 14k Gold, Yellow Gold

14 Karat White Gold Chocolate and White Diamond Pendant
Located in Washington Depot, CT
. Approximate total diamond weight: .85 ct. Diamond color (white): J-K Diamond clarity: SI1-I2 Size: 27 mm
Category

20th Century Pendant Necklaces

Materials

White Diamond, White Gold

18 Karat White Gold and Princess Diamond Wedding Band
Located in Washington Depot, CT
. Approximate total diamond weight: .42 ct. Diamond color: J-K Diamond clarity: VS2 Ring Size: 6.5 Weight
Category

20th Century Wedding Rings

Materials

Diamond, Gold

Superb Victorian 2.21 Carat Old Cut Diamond Gold Engagement ring
Located in Napoli, NA
is characterized by an original and nice design with yellow and white gold. The diamond is K/L color
Category

Antique 1890s British Late Victorian Engagement Rings

Materials

Diamond, White Diamond, 18k Gold

Vintage 14 Karat White Gold and Diamond Pendant Necklace
Located in Washington Depot, CT
chain. Approximate total diamond weight: .50 ct. Diamond color: H-K Diamond clarity: SI1-I1 Size
Category

20th Century Pendant Necklaces

Materials

Diamond, White Gold

14 Karat White Gold Diamond Stud Earrings .43 TCW
Located in Washington Depot, CT
ct. Diamond color: H-K Diamond clarity: VS2-SI2 Size: 4 mm Weight: 0.4 dwt. / 0.7 gr. Stamped
Category

20th Century Unknown Stud Earrings

Materials

Diamond, White Gold

10K Yellow Gold Over Silver 1/4 Cttw Diamond 11 Stone Wedding Band Ring
Located in New York, NY
: 1.665 • Diamond 1 Clarity: I1-I2, Color: K-L, Count: 11, Cut: Very Good, Origin: Natural, Setting
Category

21st Century and Contemporary Indian Modern Wedding Rings

Materials

White Diamond, Diamond, 10k Gold, Sterling Silver, Yellow Gold, Gold Plate

10K Yellow Gold Over Silver 1/4 Cttw Diamond 11 Stone Wedding Band Ring
Located in New York, NY
: 1.665 • Diamond 1 Clarity: I1-I2, Color: K-L, Count: 11, Cut: Very Good, Origin: Natural, Setting
Category

21st Century and Contemporary Indian Modern Wedding Rings

Materials

White Diamond, Diamond, 10k Gold, Sterling Silver, Yellow Gold, Gold Plate

10K Yellow Gold 1.0 Carat Diamond 3-Stone Ring
Located in New York, NY
: Diamond Type: Natural White Diamonds Diamond Count: 3 Round-Cut Diamonds Diamond Color: J-K Diamond
Category

21st Century and Contemporary Indian Contemporary Fashion Rings

Materials

Diamond, White Diamond, 10k Gold, Yellow Gold

14 Karat Yellow Gold Opal and Diamond Ring
Located in Washington Depot, CT
measures 17 mm. Shank measures 3 mm. Approximate total diamond weight: .45 ct. Diamond color: I-K
Category

20th Century Cluster Rings

Materials

Diamond, Opal, Yellow Gold

9.39 Carat GIA Round Brilliant Cut Diamond and Rose Gold Ring
By J. Birnbach
Located in New York, NY
with K color and SI1 clarity. This center stone is prong-set into a decorative basket setting that is
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Diamond, 18k Gold

Set in 18K Gold, Zambian Emerald Cabochon, Ethiopian Opal Diamond Drop Earring
By JEWEL HUB
Located in Hong Kong, HK
✦ Gemstone Cut: Heart ✦ Diamond Weight: 0.60 ct. ✦ Diamond Clarity: Average VS-SI ✦ Diamond Color: J - K
Category

21st Century and Contemporary Indian Modern Drop Earrings

Materials

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

Vintage 2.85 Carat Diamond and Platinum Twist Ring
Located in Jesmond, Newcastle Upon Tyne
of this fine example of diamond jewelry/estate jewelry. Diamond Quality Feature Diamond One Color K
Category

Vintage 1940s Unknown Engagement Rings

Materials

Diamond, Platinum

14 Karat White Gold Blue and White Diamond Pendant
Located in Washington Depot, CT
: Blue - SI1 White - SI1-SI2 Diamond color: White - J-K Size: 18 mm x 8 mm Weight: 1.0 dwt. / 1.6 gr
Category

20th Century Pendant Necklaces

Materials

White Diamond, White Gold

18K Yellow Gold Ladies Diamond Rolex Watch, Datejust
By Rolex
Located in Laguna Beach, CA
bezel is aftermarket, 1.70tdw of Princess Cut Diamonds. Clarity SI-VS, Color J-K-L. Moderate stretch in
Category

20th Century Wrist Watches

Materials

Diamond, 18k Gold, Yellow Gold

French retro 18k rose gold diamond synthetic ruby tank ring
Located in Beverly Hills, CA
Total diamond weight: Approximately 0.35 carats Color: K Clarity: SI Accent stone: 12 French cut
Category

20th Century Engagement Rings

Materials

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

14K White Gold and Diamond Star Pendant #22956
Located in Washington Depot, CT
. Diamond color: I-K Diamond clarity: I1-I2 Size: 14.4 mm x 15.3 mm x 3 mm Weight: 1.4 gr./ 0.9 dwt
Category

20th Century Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

Art Deco 1.05 Carat Diamond Platinum Engagement Ring GIA
Located in Philadelphia, PA
Centering a round brilliant cut diamond weighing 0.90 carats, K color and SI2 clarity Accented by
Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, Platinum

18 Karat White Gold 2.11 Carat Diamond Ring
Located in Palm Desert, CA
Set in 18 karat white gold is a 2.11 carat round brilliant cut diamond, Color J-K, Clarity VVS-2
Category

2010s American More Rings

Materials

Diamond, 18k Gold, White Gold

2.27 Carats GIA Diamond Solitaire Art Deco Engagement Ring
Located in Los Angeles, CA
GIA 2.27 Carats Diamond Solitaire Art Deco Engagement Ring GIA 2.27 carats K color VVS2 clarity
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Diamond Yellow Gold Platinum Three-Stone Ring
Located in Boca Raton, FL
 .25 ct each. The diamonds are graded J-K color and SI clarity.  There are an additional 8 old mine cut
Category

Early 20th Century Edwardian Three-Stone Rings

Materials

White Diamond, Yellow Gold, Platinum

Spinel and Diamond 18 Karat White Gold Ring
Located in Banbury, GB
spinels are 16 bright and lively old European cut diamonds which are K in colour and VS1-VS2 in clarity
Category

2010s Contemporary Cluster Rings

Materials

Diamond, Spinel, 18k Gold

Spinel and Diamond 18 Karat White Gold Ring
Located in Banbury, GB
spinels are 16 bright and lively old European cut diamonds which are K in colour and VS1-VS2 in clarity
Category

2010s Contemporary Cluster Rings

Materials

Spinel, Diamond, 18k Gold

10K Yellow Gold Three-Stone 0.50 Carat Diamond Ring
Located in New York, NY
Diamonds Diamond Color: J-K Diamond Clarity: I2-I3 Diamond Weight: 0.5 cttw Diamond Setting Type: Prong
Category

21st Century and Contemporary Indian Contemporary Fashion Rings

Materials

Diamond, White Diamond, 10k Gold, Yellow Gold

Mid Century GIA 3.06 Carats Marquise Cut Diamond Platinum Ring
Located in Beverly Hills, CA
diamond of 3.06 carats, accompanied with GIA #2221756671 stating the diamond Is K faint brown color, I3
Category

Vintage 1950s Engagement Rings

Materials

Diamond, Brown Diamond, Platinum

"18 Karat White Gold Diamond Tennis Bracelet 2.0 Carat Twt"
Located in Washington Depot, CT
diamond weight: 2 cts. Diamond color: H-K Diamond clarity: SI1 Size: 6.75 inches Weight: 6.4 dwt
Category

20th Century Tennis Bracelets

Materials

Diamond, White Gold

Art Deco 0.50 Carat Diamond Filigree Ring
Located in Montgomery, AL
center diamond grades approximately K in color and SI2 in clarity. This setting is absolutely enchanting
Category

Early 20th Century Unknown Art Deco Dome Rings

Materials

Diamond, 14k Gold, White Gold

Antique Platinum Diamond, Yellow Sapphire, and 3 Pearls Pendant Necklace
Located in Southampton, PA
set with sublime natural pearls, an enticing GIA no heat yellow sapphire, and sparkling diamonds (K
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Platinum

Vintage 2.60 Carat Antique Asscher Cut Diamond Cluster Ring
Located in London, GB
, Colour: K, Clarity: VS Further Diamonds: Approx. 1.20 carats, Colour: H-I, Clarity: VS Tested As
Category

Vintage 1960s Fashion Rings

Materials

Diamond, Platinum

Art Deco Old Cushion Cut Diamond Platinum Engagement Ring
Located in Beverly Hills, CA
diamond that is K color, SI1 clarity surrounded by a glowing halo of numerous near colorless diamonds
Category

Vintage 1930s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

Victorian 2.95 Carat Diamond Star Pendant Necklace
Located in London, GB
) Weight: 7.1 grams Centre Diamond Carat Weight: 1.03 carats, Colour: K, Clarity: VS1 Further Diamonds
Category

Antique 19th Century Victorian Pendant Necklaces

Materials

Diamond, Gold, 18k Gold, Yellow Gold, Silver

18k Yellow Gold Oval Cut Galaxy Diamond Drop Earrings
Located in Scottsdale, AZ
= 6.14cttw Color: K Clarity: SI2 Dimensions: earrings measure 20mm in length Fastenings: post with screw on
Category

21st Century and Contemporary Drop Earrings

Materials

Diamond, 18k Gold, Yellow Gold

Extraordinary 41.78 Carat Cushion Cut Diamond Crossover Ring by Hancocks
By Hancocks
Located in London, GB
carats by Hancocks. The exceptional pair of cushion cut diamonds are both K colour and VS2 and SI1
Category

2010s British Cocktail Rings

Materials

Diamond, Platinum

14 Karat Yellow and White Gold Diamond Dangle Earrings
Located in Washington Depot, CT
total diamond weight: .40 ct. Diamond color: I-K Diamond clarity: SI1-I1 Size: 37 mm x 12 mm
Category

20th Century Dangle Earrings

Materials

Diamond, White Gold

18 Karat White Gold Princess Cut Diamond Wedding Band
Located in Washington Depot, CT
. Approximate total diamond weight: .70 ct. Diamond color: J-K Diamond clarity: I1-S1 Ring Size: 5.25 Weight
Category

20th Century Wedding Rings

Materials

Diamond, White Gold

1.30ct Natural Round Diamond Stud Earrings 14 Karat Halo Fancy Brown
Located in New York, NY
.30ct Round Diamond Accents Sorround K-color, Si-1 clarity. Earrings: 7.5mm diameter 14kt. white gold
Category

2010s American Stud Earrings

Materials

Diamond, Brown Diamond, 14k Gold, White Gold

Vintage GIA 1.04 Carats Oval Cut Diamond Platinum Cluster Ring
Located in Beverly Hills, CA
diamond of 1.04 carats, accompanied with GIA #1226856457 stating the diamond is K color, VS1 clarity
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Diamond, Platinum

1940s 1.49 Carat Diamond and Platinum Trilogy Ring
Located in Jesmond, Newcastle Upon Tyne
5.15mm x 3.22mm Diamond Two Color K Clarity SI1 Cut Transitional modern brilliant round Content 0.40
Category

Vintage 1940s Unknown Three-Stone Rings

Materials

Diamond, Platinum

14 Karat White Gold Pearl and Diamond Earrings
Located in Washington Depot, CT
back closures. Approximate total diamond weight: .16 ct. Diamond color: J-K Diamond clarity: VS2
Category

20th Century Stud Earrings

Materials

Diamond, Pearl, 14k Gold, White Gold

Art Deco Inspired Diamond and Emerald Platinum Snake Ring
Located in Beverly Hills, CA
of 1.16 carats, graded K color, SI1 clarity. Accented by 184 old European cut diamonds with a total
Category

21st Century and Contemporary Art Deco Engagement Rings

Materials

Diamond, White Diamond, Emerald, Platinum, Enamel

14 Karat Yellow/White Gold and Diamond Bangle Bracelet
Located in Washington Depot, CT
: 8 mm. Safety chain closures. Approximate total diamond weight: 1.30 ct. Diamond color: H-K
Category

20th Century Bangles

Materials

Diamond, White Gold

White Gold Gents Ring with Old European Cut Diamond
Located in Carmel-by-the-Sea, CA
. The center is set with a 1.39 carat old European cut diamond grading J-K color and Si1-2 clarity. This
Category

20th Century Wedding Rings

Materials

Diamond, 18k Gold, White Gold

GIA 3.30 Carat Emerald Cut Diamond Platinum Engagement Ring
Located in Beverly Hills, CA
bond two lovers will form. Featuring a GIA certified 3.30 carat square emerald cut diamond that is K
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Platinum

1950 s Mid-Century 2.73 Carats Diamond Platinum Engagement Ring GIA
Located in Philadelphia, PA
Centering a round brilliant cut diamond weighing 2.43 carats - K color with VS2 clarity Basket set
Category

Vintage 1950s Retro Engagement Rings

Materials

Diamond, White Diamond, Platinum

Vintage diamond flanked solitaire ring, French, circa 1970.
Located in London, GB
Vintage Diamond flanked solitaire ring. Set to centre with one round transitional cut diamond, K
Category

Vintage 1970s European Engagement Rings

Materials

Diamond, 18k Gold

Platinum GIA Certified 2.70ct Marquise Cut Diamond Engagement Ring
Located in Boca Raton, FL
Center Details: 2.70ct Marquise Cut GIA Natural Diamond that is K in color and I2 in clarity. GIA
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

Art Deco French GIA 1.33 carat diamond platinum ring
Located in Beverly Hills, CA
Center stone: Old mine cut diamond Weight: 1.33 carats Color: K Clarity: I1 Accent stone: 28 single and
Category

Vintage 1930s Art Deco Wedding Rings

Materials

Diamond, Platinum

14 Karat White Gold and Diamond Angel Brooch/Pin
Located in Washington Depot, CT
total diamond weight: .10 ct. Diamond color: J-K Diamond clarity: SI1 Size: 25 mm x 26 mm
Category

20th Century Brooches

Materials

Diamond, White Gold

14K Yellow Gold 4.00 Cttw Channel Set Diamond Tennis Bracelet
Located in New York, NY
channel-set with 4.00 carats of natural diamonds that radiate with a captivating J-K color and I1-I2
Category

21st Century and Contemporary Indian Modern Link Bracelets

Materials

White Diamond, Diamond, 14k Gold, Yellow Gold

Old European Navette white gold ring with diamonds.
Located in Chorzów, PL
ring in an elongated form, set with 17 old brilliant-cut diamonds weighing 1.30 ct (color F-K and
Category

Early 20th Century Unknown Cocktail Rings

Materials

Diamond, White Gold

14 Karat Yellow Gold Ruby and Diamond Ring
Located in Washington Depot, CT
. Approximate total diamond weight: .16 ct. Diamond color: J-K Diamond clarity: SI-I1 Size: 7 Weight: 1.7
Category

Early 20th Century More Rings

Materials

Diamond, Ruby, Yellow Gold

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Get Updated with New Arrivals
Save "Diamond Color K", and we’ll notify you when there are new listings in this category.

Diamond Color K For Sale on 1stDibs

You are likely to find exactly the diamond color k you’re looking for on 1stDibs, as there is a broad range for sale. Frequently made of Gold, 18k Gold and White Gold, this item was constructed with great care. You can easily find a 1009 antique edition and 2578 modern creations to choose from as well. If you’re looking for a diamond color k 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. For this particular piece, .5 Carat and 1 Carat are consistently popular carat weights. Finding an appealing diamond color k — no matter the origin — is easy, but Beyond Fine Jewelry, Antinori Fine Jewels and Cartier each produced a popular version that is worth a look. Today, if you’re looking for a round cut version of this piece and are unable to find the perfect match, our selection also includes oval cut and pear cut alternatives. If you’re browsing our inventory for a diamond color k, 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 Diamond Color K?

The price for a diamond color k starts at $1 and tops out at $4,450,000 with these rings, on average, selling for $6,999.

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 Diamond Color K
  • 1stDibs ExpertSeptember 28, 2021
    D is the highest color grade diamond that can be bought. They are completely colorless to the naked eye and extremely rare (their price reflects that). These diamonds are usually mounted in platinum or white gold. Diamonds in this category are best mounted in platinum or white gold. Shop a wide range of diamond jewelry on 1stDibs.
  • 1stDibs ExpertFebruary 22, 2021
    The rarest color of diamond is red. Red diamonds can only be found in mines in Africa, Australia, and Brazil. The rarity of these diamonds also make them the most expensive types of diamonds on the market.
  • 1stDibs ExpertOctober 19, 2021
    A champagne diamond is naturally brown and has a strong golden or yellow tint. They come in a variety of colors, ranging from light brown to darker champagne-like shades. Shop a range of champagne diamond rings, necklaces and bracelets on 1stDibs today.
  • 1stDibs ExpertNovember 2, 2021
    Tiffany Co. exclusively accepts D color diamonds, E color diamonds, F color diamonds, G color diamonds, H color diamonds and I color diamonds. At the legendary luxury house, which has long been an important arbiter of style in the design of diamond engagement rings, the only engagement ring diamonds accepted are in the “colorless” and “near colorless” range on the diamond color scale. Shop a collection of Tiffany Co. diamond jewelry from some of the world’s top jewelers on 1stDibs.
  • Champagne diamonds typically are brown diamonds with a yellowish tint to them. This color combination gives it that "champagne-like" color to them. This can range from a light-brownish yellow color, to a dark brown color.
  • 1stDibs ExpertNovember 2, 2023
    Yes, color matters in diamond studs, as it impacts their value and price. To rate color, the Gemological Institute of America (GIA) uses a scale ranging alphabetically from D to Z. A D-grade diamond is completely colorless and is very rare. Most studs featuring diamonds with ratings will have at least a faint yellow tint. Find a variety of diamond stud earrings on 1stDibs.
  • 1stDibs ExpertAugust 17, 2021
    The colors that diamonds come in naturally include grey, white, blue, green, pink, brown and black. Pure diamonds are completely colorless as other diamonds’ color comes from impurities. Find an extraordinary collection of antique, new and vintage diamond jewelry on 1stDibs.
  • 1stDibs ExpertNovember 6, 2023
    The best color available for diamond stud earrings is D. Only the finest colorless diamonds receive this rating. E and F diamonds are also highly ranked. People rarely view stud earrings up close when you're wearing them, so G, H, I and J-rated diamonds are also likely to appear colorless once set. Explore a large selection of diamond stud earrings on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    The term 10K diamond means a diamond gemstone placed in a 10-karat gold setting on a piece of jewelry like a bracelet, a necklace or a pair of earrings. Ten-karat gold is roughly 42 percent pure gold and 58 percent metal alloy. You'll find a variety of diamond jewelry on 1stDibs.