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Pear Shaped 2.73 Carat Aquamarine & Diamond Ring by Black Star & Gorham, c1950
By Black, Starr & Gorham
Located in valatie, NY
A Pear Shaped 2.73 Carat Aquamarine and Diamond Ring by Black Star & Gorham. Set in Platinum c1950
Category
Vintage 1950s American Engagement Rings
Materials
Aquamarine, Diamond, Platinum
.30 Carat Diamond Black South Sea Pearl White Gold Bracelet
Located in Stamford, CT
South sea pearl and diamond bracelet. 14 beautiful gray black South Sea 10mm Pearls have an
Category
21st Century and Contemporary More Bracelets
Materials
Diamond, Pearl, South Sea Pearl, Black Pearl, Gold, 14k Gold, White Gold
Diamond Scene Baroque Pearl Black Diamond Gold Long Chain Necklace
By Diamond Scene
Located in New York, NY
A fabulous statement necklace!
Over 30 carats of black diamond beads and baroque pearl set
Category
21st Century and Contemporary Chain Necklaces
Materials
Diamond, Black Diamond, Pearl, 18k Gold
Italian 18 Karat Pink Gold Initial White & Black Charm Necklace 1.70 Carats
By Harbor Diamonds
Located in New York, NY
and 30 Black Diamonds weighing 0.68 Carats.
Can be made with any initial.
Black Diamond pendant can be
Category
2010s Italian Contemporary Pendant Necklaces
Materials
Pink Sapphire, Diamond, Black Diamond, Blue Sapphire, Gold, 18k Gold, Ro...
.30 Carat Natural Jet Black Onyx Diamonds Ring 18 Karat
Located in New York, NY
Greek Iconic Ring.
Natural Jet Black Onyx, Sapphire Diamonds ring.
.15ct Natural Cabochon Blue
Category
2010s American Solitaire Rings
Materials
Diamond, Onyx, Blue Sapphire, 18k Gold, Yellow Gold
.30 Carat Natural Diamonds Black Blister Pearl Clip Earrings 14 Karat
Located in New York, NY
Black Blister pearl earrings.
21 x 15mm
.30ct round diamonds, G-color vs-2
14kt. yellow gold
Category
2010s American Clip-on Earrings
Materials
Diamond, Pearl, 14k Gold, Yellow Gold
.30 Carat Natural Diamonds Black Blister Pearl Clip Earrings 14 Karat
Located in New York, NY
Black Blister pearl earrings.
21 x 15mm
.30ct round diamonds, G-color vs-2
14kt. yellow gold
Category
2010s American Clip-on Earrings
Materials
Diamond, Pearl, 14k Gold, Yellow Gold
30 Carat Black Onyx Earring in 18 Karat Rose Gold with Diamonds
By Sunita Nahata
Located in Hong Kong, HK
, diamond and semi-precious gemstones earrings in 18K rose gold.
Black Onyx: 30.63 carat baguette
Category
21st Century and Contemporary Hong Kong Contemporary Dangle Earrings
Materials
Garnet, Onyx, Pearl, Amethyst, Diamond, White Diamond, Gold, 18k Gold, R...
1.13 Carat Black Diamond White Diamond White Gold Necklace
By DGI
Located in Los Angeles, CA
This necklace has 30 Round Cut Black Diamonds that weigh 0.52 Carats and 24 Round Cut Diamonds that
Category
2010s American Contemporary Chain Necklaces
Materials
White Diamond, Black Diamond, 14k Gold, White Gold
30 Carat Natural Zambian Emerald & Diamond Tennis Bracelet 14 Karat Gold
Located in New York, NY
, carefully separated by brilliant-cut diamonds. The total weight of the emeralds is approximately 30 carats
Category
2010s Tennis Bracelets
Materials
Diamond, Emerald, Gold, White Gold
30 Carat Oval Ethiopian Black Opal Pendant/Necklace 18 Karat + 18 Kt Gold Chain
Located in New York, NY
Approximately 30 Carat Oval Ethiopian Black Opal Pendant/Necklace 18 Karat + 18 Kt Gold Chain
This
Category
2010s Pendant Necklaces
Materials
Diamond, Black Opal, 18k Gold, Yellow Gold
30 Carat Cabochon Colombian Emerald & Diamond 18 Karat Yellow Gold Cocktail Ring
Located in New York, NY
A classic, Cocktail ring
Large size Colombian cabochon approximately 30 Carat Emerald and Diamond
Category
Early 2000s Cocktail Rings
Materials
Diamond, Emerald, 18k Gold, Yellow Gold
Tiffany & Co .20 Carat Diamond Black Pearl Platinum Barbell Cufflinks
By Tiffany & Co.
Located in Stamford, CT
Black pearl and diamond Tiffany & Co. cufflinks. Theses cultured black pearl platinum barbell
Category
21st Century and Contemporary Cufflinks
Materials
Diamond, Pearl, Black Pearl, Platinum
.30 Carat Diamond Carved Jadeite Jade Onyx White Gold Dangle Drop Earrings
Located in Stamford, CT
with black onyx, black enamel and 22 round full cut diamonds in 14k white gold.
2 oval pierced
Category
Mid-20th Century Dangle Earrings
Materials
Diamond, Jade, Onyx, Gold, 14k Gold, White Gold
30 Carat Green Amethyst and Diamond Earring in 18 Karat Yellow Gold
By Sunita Nahata
Located in Hong Kong, HK
amethyst, diamond and semi-precious gemstones earring in 18K yellow gold.
Amethyst: 30.010 carat baguette
Category
21st Century and Contemporary Hong Kong Contemporary Dangle Earrings
Materials
Amethyst, Citrine, Diamond, Garnet, Pearl, Gold, 18k Gold, Yellow Gold
2.51 Carat Round Cut Black and White Diamond Ring, 14 Karat Gold Women's
Located in Greensboro, NC
This ring is a size 5, but it can be re-sized up 2 sizes for a $30 fee. Once a ring is re-sized, we
Category
20th Century Unknown Engagement Rings
Materials
Diamond, Black Diamond, 14k Gold, White Gold
Oscar Heyman Gold 30 Carat One of a Kind Black Opal Snacking Fish Brooch
By Oscar Heyman
Located in New York City, NY
Australian black opal weighing 30.63cts. This unique piece also contains 97 round diamonds (1.08cts, F/ VS
Category
2010s American Contemporary Brooches
Materials
Diamond, Opal, Gold, Platinum
30 Carat Guava Quartz Ring and Earring Set in 18 Karat Rose Gold with Diamonds
By Sunita Nahata
Located in Hong Kong, HK
, diamond and semi-precious gemstone earring in 18K rose gold.
Guava Quartz: 30.02 carat baguette
Category
21st Century and Contemporary Hong Kong Contemporary Dangle Earrings
Materials
Amethyst, Diamond, Garnet, Pearl, Quartz, Tourmaline, Gold, 18k Gold, Ro...
18K Rose Gold 2 1/5 Carat Black and White Diamond 6 Row Band Ring
Located in New York, NY
diamonds sit on prongs of black rhodium. The total carat weight of this impressive piece is 2 1/5 c.t. This
Category
21st Century and Contemporary American Contemporary Fashion Rings
Materials
Diamond, White Diamond, Black Diamond, 18k Gold, Rose Gold
Ruby and Diamond Tassel
By Diamond Scene New York
Located in New York, NY
An important Ruby and Diamond Tassel Necklace
175 carats of fine Ruby and 8.38 carats of white
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, Ruby
Emerald and Diamond Tassel
By Diamond Scene New York
Located in New York, NY
An important Emerald and Diamond Tassel Necklace
151 carats of fine Emerald and 12.54 carats of
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, Emerald
Vintage Circa 1990s 14 Carat White Gold Black Diamond Halo Stud Style Earrings
Located in Hamilton, AU
as the one who wears them.
The Zoe Studs Gem Details
The round black diamonds total 1.95 carats
Category
20th Century Unknown Modern Stud Earrings
Materials
Black Diamond, Diamond, 14k Gold, Gold, White Gold
Free Shipping
Dm 0.4 in
1.94 Carat Cushion Cut Black Diamond Halo Ring in 19 Karat White Gold 6.25
By H & H Jewels
Located in Miami, FL
1.94 carat Cushion Cut Black Diamond Halo Ring in 19 karat White Gold Size 6.25
Black diamonds are
Category
21st Century and Contemporary American Solitaire Rings
Materials
Diamond, Black Diamond, 18k Gold, White Gold
Emerald and Diamond Tassel Necklace
By Diamond Scene New York
Located in New York, NY
An important Emerald and Diamond Tassel Necklace
118 carats of fine Emerald and 8.33 carats of
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, Emerald
Black Diamond Curved Matching Band with 0.68 Carats Marquise Cuts in Rose Gold
Located in רמת גן, IL
: Resizeable
Side Diamonds:
-Shape: Marquise cut
-Weight: 0.68 Carats
-Color: Black (Enhanced)
-Clarity
Category
2010s Israeli Art Deco Wedding Rings
Materials
Black Diamond, 14k Gold, Rose Gold
Big 34.66 Carat Black Onyx and Diamond Pendant in 925 Sterling Silver
Located in Houston, TX
This Big 34.66 Carat Black Onyx and Diamond Pendant is meticulously crafted from the finest
Category
21st Century and Contemporary American Art Deco Pendant Necklaces
Materials
Diamond, Onyx, Silver, Sterling Silver
Free Shipping
W 1.19 in L 1.97 in
TJD 0.20 Carat Black & White Diamond 14K White Gold Double Heart Fashion Pendant
By TJD
Located in New York, NY
diamond HI colour / I2 clarity and 44 black diamonds set in prong setting. This pendant has high polish
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, White Diamond, White Gold
South Sea Pearl Tahitian Black Pearl with Diamond Ring
Located in Kirkwood, MO
South Sea Pearl 18K White Gold Natural Color Cultured Black Tahitian Pearl Ring. The pearl is 9.65
Category
2010s Contemporary Fashion Rings
Materials
Diamond, Black Pearl
75 Ct Zambian Emerald and 30 Ct Diamond Necklace and Earring Bridal Suite
Located in New York, NY
Brilliant round cut diamonds . All prong set diamonds, with a total carat weight of 30 carats, G-H color
Category
Early 2000s Drop Necklaces
Materials
Diamond, Emerald, 18k Gold, 14k Gold
Leo Pizzo White Gold, Diamond, and Black Diamond Necklace
By Leo Pizzo
Located in New York, NY
A simple yet stunning necklace composed of round brilliant cut black and colorless diamonds
Category
Late 20th Century More Necklaces
Materials
Black Diamond, White Gold
0.27 carat Diamond, 14K Gold Star, Constellation Ring
Located in New York, NY
Clarity: SI or higher
Average Diamond Colour: Near Colorless
Policy: Free Shipping and 30 Days Return. No
Category
2010s American Modern Cluster Rings
Materials
Diamond, 14k Gold
Certified 14k Gold 3.9 Carat Natural Diamond w/ Pearls Black Flower Bar Necklace
By GLEAMIRE
Located in Los Angeles, CA
Crafted in 5.77 grams of 14K White Gold, the necklace contains 4 stones of Round Diamonds with a
Category
2010s Indian Contemporary Drop Necklaces
Materials
Diamond, Cultured Pearl, White Gold, 14k Gold
Free Shipping
L 18 in
18 carat white gold diamonds ring
Located in Monte-Carlo, MC
18 carat white gold ring designed with 60 round brillant cut diamonds weighing 0.30 carats and 30
Category
2010s Cocktail Rings
Materials
Diamond, White Gold
Art Deco Platinum Brooch, 3.70ct Black Diamonds and 5ct White Diamonds
Located in Antwerp, BE
Stunning & Beautiful platinum brooch set with black and white diamonds, with security chain.
This
Category
Early 20th Century French Art Deco Brooches
Materials
White Diamond, Black Diamond, Platinum
335 Carat 5-Strand Emerald Necklace with 6.5 Carat Diamond & Enamel in 14k Gold
Located in New York, NY
Approximately 335 Carat very fine Emerald Beads 5 Line Necklace With 14 Karat Yellow Gold Clasp
Category
2010s Beaded Necklaces
Materials
Diamond, Emerald, 14k Gold, Yellow Gold, Enamel
Vintage Black Starr and Frost Diamond Sapphire 18k Yellow Gold Ring
Located in Beverly Hills, CA
One Vintage Black Starr and Frost Diamond Sapphire 18k Yellow Gold Ring. Featuring one marquise cut
Category
1990s Engagement Rings
Materials
Blue Sapphire, Sapphire, Black Diamond, White Diamond, Diamond, Yellow G...
Black & White Oval Cut 4.05 Carats Hidden Halo & Claws Engagement Ring
Located in רמת גן, IL
Amazing Hidden Halo 4 Carat Engagement Ring, Black Diamond Claws Ring, Yellow Gold Ring, Oval Black
Category
2010s Israeli Art Deco Engagement Rings
Materials
Diamond, Black Diamond, 14k Gold, Yellow Gold
2.30 Carats Black Emerald Cut & White Trapezoids Engagement Ring in White Gold
Located in רמת גן, IL
Amazing black genuine diamond ring, with beautiful 2 carat Emerald-cut black diamond!
The Side
Category
2010s Israeli Art Deco Engagement Rings
Materials
Diamond, Black Diamond, White Gold
Gellner 18K White Gold Tahitian Black Pearl and Diamond Ring
Located in Kirkwood, MO
Gellner 18K White Gold Tahitian Black Pearl and Diamond Ring. The black, natural color, cultured
Category
Early 2000s German Contemporary Fashion Rings
Materials
Diamond, Black Pearl, 18k Gold, White Gold
Australian 1.85ct Black Opal, Diamond, 18K Gold & Platinum Ring
Located in MAIN BEACH, QLD
. Timeless beauty showcasing the magnificence of solid Australian Black Opal, sparkling white diamond
Category
21st Century and Contemporary Australian Art Deco Cocktail Rings
Materials
Diamond, Opal, Black Opal, Platinum, 18k Gold
Black Opal Diamond Ring, 18k White Gold, Blue Green Opal w Diamond Halo Ring
By Five Star Jewelry
Located in Austin, TX
:
Metal Quality: 18k White Gold
Diamond Carat Weight: .30 Carats
Diamond Shape: Round
Diamond Clarity: VS2
Category
21st Century and Contemporary American Modern Fashion Rings
Materials
Black Opal, Diamond, Opal, 18k Gold, White Gold
Black Opal Diamond White Gold Stud Earrings Diamonds Unisex Classic
Located in Berlin, DE
Black Opal 14K white gold earrings
opal origin - Australia
opal weight - 2.43 carats
earring
Category
2010s German Artist Stud Earrings
Materials
Diamond, Opal, Black Opal, 14k Gold, White Gold
1.00 Carat Round Diamond Onyx White Gold Dangle Drop Earrings
Located in Stamford, CT
Dramatic 1970's onyx and diamond dangle drop earrings. 2 black upside down tear dop shaped onyx
Category
Late 20th Century Dangle Earrings
Materials
Diamond, Onyx, Gold, 14k Gold, White Gold
Black Opal Diamond White Gold Stud Earrings Diamonds Unisex Classic
Located in Berlin, DE
Black Opal 14K white gold earrings
opal origin - Australia
opal weight - 2.43 carats
earring
Category
2010s French Art Deco Stud Earrings
Materials
Black Opal, Diamond, Opal, 14k Gold, White Gold
18k GIA 4.39ct Black Opal and Diamond Ring
Located in Big Bend, WI
18K white gold Australian black opal and diamond ring. There is a GIA report #2225667539 stating
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Diamond, Opal, Black Opal
Black & White Natural Oval Cut Cocktail Ring, 3.44 Carats, 14k Yellow Gold
Located in רמת גן, IL
Magistic and magnificent
Black Oval Engagement Ring, Black Diamond Engagement Ring, 4 Carats, Main
Category
2010s Israeli Art Deco Fashion Rings
Materials
Diamond, Black Diamond, 14k Gold, Yellow Gold
Fiery Australian Black Opal and Diamond Cocktail Ring
Located in Santa Barbara, CA
yellow and orange
Clarity: Opaque
Accent Diamonds:
30 Round Brilliant Cuts 1.33 carats total
G-I Color
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Diamond, Opal, Black Opal, Platinum
Alex Jona Briolette-Cut Black Diamond 18 Karat White Gold Link Chain Necklace
By Alex Jona
Located in Torino, IT
featuring 30 black diamonds briolette cut weighing a total of 3.83 carats with black rhodium finish.
Chain
Category
21st Century and Contemporary Italian Drop Necklaces
Materials
Diamond, Black Diamond, 18k Gold, White Gold, Rhodium
Free Shipping
L 17.71 in
.65 Carat Round Diamond Onyx Rose Gold French Bangle Bracelet
Located in Stamford, CT
. French hallmarks on the catch tongue. Black Onyx oval. Bright sparkly old mine diamonds. Minor normal
Category
Antique Late 19th Century Unknown Bangles
Materials
Diamond, Onyx, Gold, 14k Gold, Rose Gold
Sterling Black and White Diamond Engagement Ring Size 8
Located in Webster, SD
focal and an estimated .30 carats in black and white diamond accents.
The face of this ring measures 1
Category
21st Century and Contemporary Unknown Modern Fashion Rings
Materials
Black Diamond, Sterling Silver
Australian Natural Untreated 12.84ct Black Opal Diamond Drop Earrings 18K Gold
By Renata Bernard
Located in Sydney, AU
pairing of black crystal opals (12.84ct) is complemented by the brilliant flash of 30 diamonds. The opal’s
Category
2010s Australian Contemporary Drop Earrings
Materials
Diamond, Black Opal, Opal, White Gold, 18k Gold
Free Shipping
H 0.94 in W 0.6 in
Antique French Rose Cut Diamond 18k Yellow Gold Black Enamel Brooch
Located in Beverly Hills, CA
One Antique French Rose Cut Diamond 18k Yellow Gold Black Enamel Brooch. Featuring 13 rose cut
Category
Antique 1880s Brooches
Materials
Diamond, White Diamond, Gold, 18k Gold, Yellow Gold, Enamel
Pair of Cartier 1.20 Carat Total Weight Diamond 18k Gold Heart Stud Earrings
By Cartier
Located in Beverly Hills, CA
One Pair of Cartier 1.20 Carat Total Weight Diamond 18k Yellow Gold Heart Stud Earrings. Featuring
Category
21st Century and Contemporary Stud Earrings
Materials
Diamond, White Diamond, Gold, 18k Gold, Yellow Gold
Majestic Art Platinum Cultured Black Tahitian Pearl and Diamond Ring
Located in Kirkwood, MO
, channel set, full cut round brilliant diamonds for a total weight 0.65 carats. The diamonds are VS Clarity
Category
2010s American Contemporary Fashion Rings
Materials
Diamond, Pearl, Platinum
Black Starr and Frost Platinum Wedding Band Ring 5.15 Carats
Located in Wailea, HI
Black Starr and Frost Platinum Wedding Band Ring 5.15 Carats
30 Baguette Cut Diamonds Weighing 5.15
Category
21st Century and Contemporary American Modern Wedding Rings
Materials
White Diamond, Platinum
0.82 Carat Natural Diamond & Pink Sapphire Heart Pendant 14K White Gold
Located in New York, NY
0.82 Carat Natural Diamond & Pink Sapphire Heart Necklace 14K White Gold
100% Natural Stones
Category
21st Century and Contemporary American Contemporary Chain Necklaces
Materials
Diamond, Pink Sapphire, 14k Gold, White Gold
Free Shipping
H 0.71 in W 0.56 in
18K Gold Black Rhodium Sapphire Diamond 3ct Cluster Clip-On Earrings
By Unbranded
Located in New York, NY
round blue sapphire intermixing with 30 round brilliant cut diamonds weighing a total of 3.00 carats
Category
Late 20th Century Unknown Retro Clip-on Earrings
Materials
Diamond, Blue Diamond, Sapphire, Pink Sapphire, Gold, 18k Gold, White Go...
Wendy Yue Sculptural Ring in 18kt Gold 28.92 Ctw Black Opal Diamonds & Tsavorite
By Wendy Yue
Located in Miami, FL
8.72 carats, Fancy natural color, VS/SI clarity
Black Opal: Mount in the center with one oval cabochon
Category
21st Century and Contemporary Hong Kong Contemporary Cocktail Rings
Materials
Diamond, Yellow Diamond, Opal, White Diamond, Tsavorite, Black Opal, 18k...
Black Opal Gold Diamond Ring Australian Gemstone Engagement Ring
Located in Berlin, DE
14K gold ring with Black opal and diamonds
opal origin - Australia
opal measurements - 0.079 х
Category
2010s German Art Deco Engagement Rings
Materials
Diamond, Opal, Black Opal, Gold, 14k Gold
Black Onyx Diamond Meghna Jewels Marquise Stud Earrings
By Meghna Jewels
Located in Hoffman Estate, IL
sterling silver. It is hand set in 3.30 carat black onyx and .30 carats of signature diamond pave arches
Category
21st Century and Contemporary Unknown Modern Stud Earrings
Materials
Diamond, White Diamond, Onyx, Sterling Silver
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30 Carat Black Diamond For Sale on 1stDibs
You are likely to find exactly the 30 carat black diamond you’re looking for on 1stDibs, as there is a broad range for sale. Each design created in this style — which was crafted with great care and often made from Gold, 18k Gold and White Gold — can elevate any look. You can easily find a 11 antique edition and 26 modern creations to choose from as well. You’re likely to find the perfect 30 carat black diamond among the distinctive items we have available, which includes versions made as long ago as the 19th Century as well as those produced as recently as the 21st Century. A 30 carat black diamond from Luigi Ferrara, Gems Paradise and Shlomit Rogel — each of whom created a beautiful version of this treasured accessory — is worth considering. See these pages for a round cut iteration of this accessory, while there are also oval cut cut and bead cut versions available here, too. Finding a 30 carat black diamond for sale for women should be easy, but there are 11 pieces available to browse for unisex as well as men, too.
How Much is a 30 Carat Black Diamond?
On average, a 30 carat black diamond at 1stDibs sells for $3,178, while they’re typically $115 on the low end and $95,480 for the highest priced versions of this item.
Questions About 30 Carat Black Diamond
- 1stDibs ExpertOctober 5, 2021What 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.
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