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3mm Diamond

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Diamanti stud earrings made in 14k white gold with 3mm diamonds
By LUSASUL
Located in Ciudad De México, MX
Made to order pair of earrings in 14k white gold with 3mm diamonds (in diameter). These timeless
Category

2010s Mexican Contemporary Stud Earrings

Materials

Diamond, 14k Gold, White Gold

Diamanti stud earrings made in 14k white gold with 3mm diamonds
Diamanti stud earrings made in 14k white gold with 3mm diamonds
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W 0.14 in D 0.44 in L 0.14 in
14 Karat White Gold 3MM Diamond Cut Ball Chain
Located in Scottsdale, AZ
Material: 14K white gold Dimensions: necklace measures 14-inches in length Weight: 5.38 grams
Category

21st Century and Contemporary Beaded Necklaces

Materials

14k Gold, White Gold

18k Gold 3 mm Diamond Necklace Brilliant Cut Round Solitaire Diamond Pendant
By Oshi Jewels
Located in Bangkok, TH
Diamonds :- 1 - Diamond Size :- 3 mm. - Setting Type :- Bezel Setting Diamonds :- All Diamonds are genuine
Category

21st Century and Contemporary Thai Modern Pendant Necklaces

Materials

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

Tiffany & Co. Platinum 3 Diamond 3mm Wedding Band Ring 5
By Tiffany & Co.
Located in Los Angeles, CA
TIFFANY & Co. Platinum 3 Diamond 3mm Wedding Band Ring 5 Metal: Platinum Size: 5 Weight: 5.0 grams
Category

2010s American Wedding Rings

Materials

Diamond, Platinum

14k Yellow Gold Pavé 2.2 Carat Diamond Eye Tennis Bracelet
Located in Brooklyn, NY
With a total carat weight of 2.2 carats, white diamonds are pavé set around each eye link, with 3mm
Category

21st Century and Contemporary North American Tennis Bracelets

Materials

Diamond, 14k Gold, Yellow Gold

TIFFANY & Co. Elsa Peretti Platinum Diamond 3mm Curved Wedding Band Ring 4.5
By Tiffany & Co.
Located in Los Angeles, CA
TIFFANY & Co. Elsa Peretti Platinum Diamond 3mm Curved Band Ring 4.5 Metal: Platinum Size: 4.5
Category

2010s American Wedding Rings

Materials

Diamond, Platinum

TIFFANY & Co. Platinum 3mm Full Circle Diamond Wedding Band Ring 6
By Tiffany & Co.
Located in Los Angeles, CA
TIFFANY & Co. Platinum 3mm Full Circle Diamond Wedding Band Ring 6 Metal: Platinum Size: 6 Band
Category

2010s American Wedding Rings

Materials

Diamond, Platinum

18 Karat Diamond Signet Ring, Engagement Ring
By Rose and Choc
Located in Wallingford, CT
Eye catching sleek signet ring with 3mm diamond set on 18k rose gold. AU750 fully hallmarked Main
Category

2010s American Contemporary Signet Rings

Materials

Diamond, Rose Gold, 18k Gold

TIFFANY & Co. Platinum 3mm Half Circle Diamond Sapphire Band Ring 6.5
By Tiffany & Co.
Located in Los Angeles, CA
TIFFANY & Co. Platinum 3mm Half Circle Diamond Sapphire Band Ring 6.5 Metal: Platinum Size: 6.5
Category

2010s American Wedding Rings

Materials

Diamond, Sapphire, Platinum

Cartier 18 Karat White Gold and Diamond Lanieres Ring size 7
By Cartier
Located in New York, NY
-18k White Gold -Ring size: 7 -Width: 3mm -Diamonds: 1 Round Brilliant Cut, 0.04ct -Carat
Category

21st Century and Contemporary Band Rings

Materials

Diamond, White Gold

Diamond 5 Carat Tennis Line Classic Fashion 14 Karat White Gold Bracelet
By Galt & Bro. Jewelers
Located in Oakton, VA
5.00 Carats of Round G/VS Diamonds 3MM Diamonds Very Brilliant & Sparkly Diamonds 14K White Gold
Category

2010s American Modern Tennis Bracelets

Materials

Diamond, 14k Gold, White Gold

3mm VVS-VS Diamond Studs in 14k Gold Unisex
Located in Miami, FL
Crafted from exquisite 14K yellow gold, these unisex diamond studs feature 3mm round brilliant cut
Category

21st Century and Contemporary South American Stud Earrings

Materials

Diamond, Gold, 14k Gold, Yellow Gold

Cartier 18 Karat White Gold and Diamond Lanieres Ring
By Cartier
Located in New York, NY
CARTIER 18K WHITE GOLD AND DIAMOND LANIERSES RING -18k White Gold -Ring size: 57/ 8 -Width: 3mm
Category

2010s More Rings

Materials

Diamond, White Gold

Gold Diamond Disk Necklace
Located in Missoula, MT
quality. -14k solid gold -3mm diamond (.48 ct) -gypsy setting -12mm 18k disk (1/2") -16" chain length
Category

2010s American Modern Chain Necklaces

Materials

Diamond, 14k Gold, Gold

Gold Diamond Disk Necklace
Gold Diamond Disk Necklace
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H 0.48 in W 0.48 in D 0.12 in Dm 0.48 in L 0.48 in
Goshwar Octagon Black Enamel with Ruby and Diamonds Pendant
By Goshwara
Located in New York, NY
Stone Size: 5 x 3 mm Diamonds: G-H / VS, Approx. Wt: 0.10 Carats
Category

21st Century and Contemporary American Contemporary Pendant Necklaces

Materials

Ruby, Gold

Diamond & Sapphire Tapered Dome Ring
Located in Missoula, MT
fit. -18k solid gold -2, 3mm diamond stones -1, 4mm Montana Sapphire stone -comes with custom travel
Category

2010s North American Modernist Three-Stone Rings

Materials

Diamond, Sapphire, 18k Gold

Brand New 6cttw Natural Diamond Tennis Bracelet in White Gold 7"
Located in Guilford, CT
Condition: Brand New Metal: 14k White Gold Weight: 10.9g Length: 7 Inches Width: 3mm Diamonds
Category

2010s Tennis Bracelets

Materials

Diamond, White Gold

Single Diamond Wedding Band, 14k Solid Yellow Gold Band, 0.1 Carat Diamond
By Rose and Choc
Located in Wallingford, CT
Single diamond low profile wedding band 14k solid yellow gold 3mm x 1.7mm band width 3mm diamond
Category

2010s American Contemporary Wedding Rings

Materials

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

Hexagon Ring with 0.1 Carat Diamond, Honeycomb Ring, 18 Karat Rose Gold Ring
By Rose and Choc
Located in Wallingford, CT
Diamond Stone shape: Round Number of stone: One (3mm) Diamond Clarity: VS Color: GHI 1.3mm band width
Category

2010s American Contemporary Solitaire Rings

Materials

Diamond, 14k Gold, 18k Gold, Rose Gold, White Gold, Yellow Gold

Hexagon Ring with 0.1 Carat Diamond, Honeycomb Ring, 18 Karat White Gold Ring
Located in Wallingford, CT
Diamond Stone shape: Round Number of stone: One (3mm) Diamond Clarity: VS Color: GHI 1.3mm band width
Category

2010s American Contemporary Solitaire Rings

Materials

Diamond, 18k Gold, 14k Gold, White Gold, Yellow Gold, Rose Gold

Tiffany & Co. Platinum 3 Diamond Wedding Band Ring
By Tiffany & Co.
Located in Los Angeles, CA
TIFFANY & Co. Platinum 3 Diamond 3mm Wedding Band Ring 5.5 Metal: Platinum Size: 5.5 Weight: 5.10
Category

2010s American Wedding Rings

Materials

Diamond, Platinum

Tiffany & Co. Platinum 3 Diamond Wedding Band Ring 5
By Tiffany & Co.
Located in Los Angeles, CA
TIFFANY & Co. Platinum 3 Diamond 3mm Wedding Band Ring 5 Metal: Platinum Size: 5 Weight: 5.0 grams
Category

2010s American Band Rings

Materials

Diamond, Platinum

24 Karat Pure Yellow Gold Solid Diamond Cut Fancy Link Chain Necklace
Located in Guilford, CT
24k Pure Yellow Gold 44.7g Solid 3mm Diamond Cut Fancy Link Chain Necklace 25" Condition
Category

21st Century and Contemporary Unknown Link Necklaces

Materials

24k Gold, Yellow Gold

Faye Kim 18 Karat Gold Burnished Diamond Band Ring
By Faye Kim
Located in Westport, CT
available; can be resized Width: 3MM Diamonds: .36 TCW Signature Collection: non negotiable Made in the
Category

2010s American Contemporary Band Rings

Materials

Diamond, Gold, 18k Gold

Faye Kim 18 Karat Gold Burnished Diamond Band Ring
By Faye Kim
Located in Westport, CT
and 7.5 available; can be resized Width: 3MM Diamonds: .36 TCW Signature Collection: non negotiable
Category

2010s American Contemporary Band Rings

Materials

Diamond, Gold, 18k Gold

Vintage Sapphire and Diamond Ring
Located in London, GB
: 3.3 grams Size: P Sapphire Dimensions: 2 (3mm) Diamond Dimensions: 6 (2mm) Total Diamond Carat Weight
Category

20th Century Fashion Rings

Materials

Diamond, Blue Sapphire, Gold, Yellow Gold

Antique Art Deco 18K White Gold Diamond Daisy Cluster Ring
Located in Endwell, NY
Antique art deco 18K white gold diamond daisy cluster ring. Size 3.75. Features 7 3mm diamonds. The
Category

Early 20th Century North American Art Deco Cluster Rings

Tiffany & Co. Platinum Nesting Full Circle .14 ct Diamond 3mm Narrow Band Ring
By Tiffany & Co.
Located in New York, NY
of approximately 0.14 carats meeting end to end in "V" shaped details. The band measures 3 mm wide
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Platinum

14 Karat White Gold and Diamond Tennis Bracelet
Located in Guilford, CT
: 7 Inches Width: 3mm Diamonds: Round Brilliant Diamonds 4.70cttw Diamond Color and Clarity: H-I
Category

21st Century and Contemporary Unknown Tennis Bracelets

Materials

14k Gold, White Gold

Pave Diamond 0.12cttw and White Topaz 1.20cttw Earrings 14K Yellow Gold
Located in New York, NY
weighing 0.12ct. Earring measurement: Height: 11.6mm; width: 6.6mm; thickness: 3mm. Diamond color G-H and
Category

2010s American Modern Stud Earrings

Materials

Diamond, Topaz, Yellow Gold

Victorian Opal and Diamond Ring
Located in London, GB
) Weight: 1.5 grams Size: M 1/2 Opals: 2 (4mm x 3mm), 2 (3.5mm x 3mm) Diamond: Approx. 0.03 carats Tested
Category

Antique 19th Century Victorian Fashion Rings

Materials

Diamond, Opal, Gold, Yellow Gold

Vintage Ruby and Diamond Band Ring
Located in London, GB
: Used (Very Good) Weight: 2.9 grams Size: N (54) Band Width: 2mm - 1.5mm Ruby Dimensions: 3 (3mm
Category

20th Century Band Rings

Materials

Diamond, Ruby, Gold, White Gold, Yellow Gold

Vintage 14 Karat Yellow Gold Diamond Stingray Pendant
Located in Washington Depot, CT
is crafted in meticulously detailed 14K yellow gold. Bail opening: 3 mm. Diamond carat weight
Category

20th Century Pendant Necklaces

Materials

Diamond, Yellow Gold

Round Brilliant and Baguette Diamond Halo Dark Green Jade Ring 14k Yellow Gold
Located in Honolulu, HI
8.3 mm x 3 mm Diamond Count: 10 round brilliant & 4 baguette diamonds Diamond Weight: ~0.22 carats
Category

Late 20th Century Unknown Modern Solitaire Rings

Materials

Jade, Diamond, 14k Gold, Yellow Gold

Vintage Garnet and Rose Cut Diamond Flower Ring
Located in London, GB
grams UK Ring Size: M Band Width: 1mm Face Dimensions: 8mm x 8mm Garnet: 3mm Diamonds: 12 (1mm) Box: The
Category

20th Century Engagement Rings

Materials

Diamond, Garnet

Mens Diamond Ring .50 Tdw 14K Gold Band Geometric
By Estate Jewelry
Located in East Brunswick, NJ
. The center 4mm x 3mm diamond weighs .25 carat, eight round brilliant cut diamonds total .25 carat. The
Category

Late 20th Century Band Rings

Materials

Diamond, 14k Gold, Yellow Gold

Sterling Silver and Diamond Polished Tapered Heart Necklace
By Thomas Kurilla
Located in New York, NY
Sterling Silver Tapered Open Heart necklace with 3 mm Diamond, 17mm wide x 23 mm high, K.I.S.S
Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, Sterling Silver

Sterling Silver and Diamond Polished Tapered Heart Necklace
Sterling Silver and Diamond Polished Tapered Heart Necklace
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H 0.67 in D 0.19 in Dm 0.91 in
Hand Made Magnificent 12ct Oval Amethyst Pendant Surrounded by 15 Diamonds
By Unbranded
Located in London, GB
Colour: H/I Diamond Clarity: VS Diamond Stone Length: 3.5mm Diamond Stone Depth: 3mm Diamond Stone Width
Category

2010s British Pendant Necklaces

Materials

Amethyst, Diamond, Yellow Gold, 9k Gold

White Gold Bar Diamond Station Necklace
Located in Palm Desert, CA
White Gold Bar Diamond Station Necklace. Eight exquisite 3mm diamonds are channel-set in a diamond
Category

2010s American Contemporary Chain Necklaces

Materials

Diamond, Gold, 14k Gold, White Gold

Victorian Pearl Diamond and Green Enamel Locket Pendant
Located in London, GB
) Weight: 5.5 grams Dimensions: 24mm x 19mm x 7.5mm (not including bale) Pearls: 7 (3mm) Diamonds: 5 (1mm
Category

Antique 19th Century Victorian Pendant Necklaces

Materials

Diamond, Pearl, Gold, Yellow Gold, Enamel

Diamond Pearl Precious Stone Gold Ring
Located in Marcianise, Marcianise (CE)
, composed of diamonds and blue sapphires and emeralds which surround 3 little pearls with a diameter of 2
Category

Late 20th Century Italian Retro Cluster Rings

Materials

Blue Sapphire, Pearl, Emerald, Diamond, White Gold, 14k Gold

White Diamonds, 18 Karat White Gold, Stud Earrings
Located in Marcianise, Marcianise (CE)
engraved white gold and adorned in the center with 0.14 ct of 2 sparkling white diamonds (diameter: 3 mm
Category

2010s Italian Modern Stud Earrings

Materials

White Diamond, 18k Gold, White Gold

14 Karat Pink Gold and GIA Diamond Tapered Open Heart Necklace
By Thomas Kurilla
Located in New York, NY
14 Karat Pink Gold Tapered Open Heart necklace with 3 mm Diamond, 17mm wide x 23 mm high, K.I.S.S
Category

2010s American Contemporary Pendant Necklaces

Materials

14k Gold

14 Karat Pink Gold and GIA Diamond Tapered Open Heart Necklace
14 Karat Pink Gold and GIA Diamond Tapered Open Heart Necklace
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H 0.67 in D 0.19 in Dm 0.91 in
14 Karat Pink Gold and GIA Diamond Polished Tapered Heart Necklace
By Thomas Kurilla
Located in New York, NY
14 Karat Pink Gold Tapered Open Heart necklace with 3 mm Diamond, 17mm wide x 23 mm high, K.I.S.S
Category

2010s American Contemporary Pendant Necklaces

Materials

14k Gold

14 Karat White Gold and GIA Diamond Polished Tapered Heart Necklace
By Thomas Kurilla
Located in New York, NY
14 Karat Pink Gold Tapered Open Heart necklace with 3 mm Diamond, 17mm wide x 23 mm high, K.I.S.S
Category

2010s American Contemporary Pendant Necklaces

Materials

14k Gold

14 Karat Yellow Gold and GIA Diamond Polished Tapered Heart Necklace
By Thomas Kurilla
Located in New York, NY
14 Karat Yellow Gold Tapered Open Heart necklace with 3 mm Diamond, 17mm wide x 23 mm high
Category

2010s American Contemporary Pendant Necklaces

Materials

14k Gold

Garland Collection Retro Gold Engine Turned Disc Charm Pendant with Diamond
Located in New York, NY
. -Just over 1" diameter plus jump ring and bail -14k -.10 ct, 3mm, diamond. -VS GH, prong set -chain
Category

2010s American Pendant Necklaces

Materials

Diamond, Gold

18 Karat Yellow Gold Oceans Sapphires Bracelet
By Thomas Kurilla
Located in New York, NY
18 Karat Yellow Gold Sapphires Oceans Bangle, 1.68 ct. wt. AGTA 14 - 3mm diamond cut sapphires
Category

2010s American Contemporary Bangles

Materials

Sapphire, 18k Gold

18 Karat Yellow Gold Oceans Sapphires Bracelet
18 Karat Yellow Gold Oceans Sapphires Bracelet
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H 0.32 in W 0.77 in Dm 2.52 in
YI Collection emerald & diamond deco earrings
Located in New York, NY
delicately in place. Dazzling brilliant cut 3mm diamonds sit atop spectacular Gemfields emeralds. Gemfields
Category

2010s Thai Modern Stud Earrings

Materials

Diamond, Emerald, 18k Gold

YI Collection emerald & diamond deco earrings
YI Collection emerald & diamond deco earrings
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H 0.46 in W 0.2 in D 0.16 in L 0.46 in
Diamond Pendant Necklace Triangle
By Wesley Kloss Fine Jewelry
Located in Cleveland, OH
The Diamond Formation Triangle Pendant Necklace holds a conflict-free 3mm diamond at the center of
Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, 14k Gold

Diamond Pendant Necklace Triangle
Diamond Pendant Necklace Triangle
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H 0.52 in W 0.3 in
Diamond Pendant Necklace Square
By Wesley Kloss Fine Jewelry
Located in Cleveland, OH
The Diamond Formation Square Pendant Necklace holds a conflict-free 3mm diamond at the center of
Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, 14k Gold

Diamond Pendant Necklace Square
Diamond Pendant Necklace Square
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H 0.52 in W 0.25 in
Victorian Diamond Heart Pendant Necklace
Located in London, GB
(excluding bail) Bail Dimensions: 3mm Diamond Weight: Approx. 0.02ct Chain Length: 18 inches Chain Width: 1mm
Category

Antique 19th Century Pendant Necklaces

Materials

Diamond

Edwardian Ruby and Diamond Ring
Located in London, GB
(53) Band Width: 2mm Face Dimensions: 9.5mm x 9.5mm Ruby: 1 (3mm) Diamonds: 10 (1mm) Tested As: 18ct
Category

Early 20th Century Edwardian Cluster Rings

Materials

Diamond, Ruby, Gold, White Gold, Yellow Gold

Diamond Pendant Necklace Circle
By Wesley Kloss Fine Jewelry
Located in Cleveland, OH
The Diamond Formation Circle Pendant Necklace holds a conflict-free 3mm diamond at the center of
Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, 14k Gold

Diamond Pendant Necklace Circle
Diamond Pendant Necklace Circle
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H 0.52 in W 0.3 in
14k Gold Dainty Baguette Diamond Ring with Emerald Minimal Ring
By Oshi Jewels
Located in Bangkok, TH
:- 12 x 3 mm. (diamond + emeralds) - Width of Band:- 1.5 mm. - Gemstone cut:- 2 Pcs Round cut 3mm
Category

21st Century and Contemporary Thai Modern Three-Stone Rings

Materials

Diamond, Emerald, 14k Gold, Rose Gold, White Gold, Yellow Gold

18k Gold Dainty Baguette Diamond Ring with Emerald Minimal Ring
By Oshi Jewels
Located in Bangkok, TH
(diamond + emeralds) - Width of Band :- 1.5 mm. - Gemstone cut :- 2 Pcs Round cut 3mm. - Diamond Cut :- 1
Category

21st Century and Contemporary Thai Modern Three-Stone Rings

Materials

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

Large Diamond Tension Bracelet in 18 Karat Yellow Gold
By Andrew Glassford
Located in Dallas, TX
Andrew Glassford's signature 3mm Diamond Tension Bracelet in 18K yellow gold. 1.93 carats of round
Category

21st Century and Contemporary American Modern Modern Bracelets

Materials

Diamond

Victorian Sapphire, Pearl and Diamond Ring
Located in London, GB
grams Ring Size: M 1/2 Face Dimensions: 15mm x 8mm Sapphire: Approx. 1.10 carat Pearl: 1 (3mm) Diamond
Category

Antique 19th Century Victorian Fashion Rings

Materials

Diamond, Pearl, Blue Sapphire, Gold, Yellow Gold

Georgian Pearl, Diamond and Enamel Mourning Locket Ring
Located in London, GB
: 13mm x 10mm Pearls: 5 (3mm) Diamond: 1 (1.2mm) UK Ring Size: L Hallmarked: Yes (London) Marked: '18
Category

Antique 18th Century Georgian Engagement Rings

Materials

Diamond, Pearl, Gold, Yellow Gold, Enamel

Suzy Levian 14K White Gold Round Blue & White Diamond Halo Ring
By Suzy Levian
Located in Great Neck, NY
-3 mm Diamond Cut: Round Ring Style: Color Bridal, Colored Diamond, Fashion Stone: Diamond Clarity
Category

21st Century and Contemporary American Contemporary Bridal Rings

Materials

Diamond, White Diamond, Blue Diamond, Gold, 14k Gold, White Gold

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3mm Diamond For Sale on 1stDibs

Find the exact 3mm diamond 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. As it relates to this specific piece, our collection includes designs that are universally popular, but 1 Carat and 1.5 Carat carat weights, specifically, are sought with frequency. Creating a 3mm diamond has been a part of the legacy of many jewelers, but those produced by Alessa and Tiffany & Co. are consistently popular. 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 alternatives. If you’re browsing our inventory for a 3mm diamond, 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 3mm Diamond?

On average, a 3mm diamond at 1stDibs sells for $5,948, while they’re typically $2,595 on the low end and $18,995 for the highest priced versions of this item.