30ct Diamond
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18K Filigree .30ct Diamond Ring with Synth Ruby
Located in Big Bend, WI
18K white gold filigree Art Deco diamond ring. The European cut diamond weighs .30cts and is
Category
Vintage 1920s Art Deco Cocktail Rings
Materials
Diamond, Gold, 18k Gold, White Gold
Dancing Diamond Necklace, .30ct Diamond Necklace, Dainty Stackable Necklace
By Five Star Jewelry
Located in Austin, TX
, Near Colorless)
Diamond Total Weight: .30 carats
Category
2010s American Contemporary Pendant Necklaces
Materials
Diamond, 14k Gold
75 Ct Zambian Emerald and 30 Ct Diamond Necklace and Earring Bridal Suite
Located in New York, NY
75 Ct Zambian Emerald and 30 Ct Diamond Necklace and Earring Bridal Suite
Emeralds are Zambians
Category
Early 2000s Drop Necklaces
Materials
Diamond, Emerald, 18k Gold, 14k Gold
14K White Gold .30ct Diamond Flower Stud Earrings for Her
Located in Great neck, NY
0.32 ct; Diamond Color & Clarity is GH-SI Certified diamonds with a butterfly push-backs for closure
Category
21st Century and Contemporary Contemporary Stud Earrings
Materials
Diamond, White Gold
14K Rose Gold .30ct Diamond Flower Stud Earrings for Her
Located in Great neck, NY
0.32 ct; Diamond Color & Clarity is GH-SI Certified diamonds with a butterfly push-backs for closure
Category
21st Century and Contemporary Contemporary Stud Earrings
Materials
Diamond, Rose Gold
14K Yellow Gold .30ct Diamond Flower Stud Earrings for Her
Located in Great neck, NY
0.32 ct; Diamond Color & Clarity is GH-SI Certified diamonds with a butterfly push-backs for closure
Category
21st Century and Contemporary Contemporary Stud Earrings
Materials
Diamond, Yellow Gold
Natural 12 Ct Burma Ruby & 30 Ct Diamond Trio Pin 18 Karat Yellow Gold 78gm
Located in New York, NY
Introducing the exquisite Natural 12 Ct Burma Ruby & 30 Ct Diamond Trio Pin, a truly unique piece
Category
Vintage 1970s Choker Necklaces
Materials
Diamond, Ruby, 18k Gold, Yellow Gold
1, 30Ct Diamond VS-F Quality 18K White Gold Contemporary Dangle Earrings
By Celine Roelens
Located in GENT, BE
"Jena" earrings in 18K white gold 6,2g set with diamonds in brilliant cut 1,30Ct (VS-F quality
Category
21st Century and Contemporary Belgian Contemporary Dangle Earrings
Materials
Diamond, 18k Gold, Gold, White Gold
Free Shipping
H 0.27 in W 0.76 in L 1.32 in
Roberto Coin Appasionata 18K TT Gold .30ct Diamond Flexible Woven Wide Band Ring
By Roberto Coin
Located in Montclair, NJ
--Stone(s):--
(15) Natural Genuine Diamonds - Round Brilliant Cut - Pave Set - VS1/VS2 Clarity - F
Category
21st Century and Contemporary Italian Band Rings
Materials
Diamond, Gold
NWT $299, 398 Rare Fancy 18 Karat Gold Gorgeous 30ct Diamond Drop Necklace
Located in New York, NY
Sparkling Magnificent Fancy Diamond Necklace. Necklace contains approx 30CTS of Beautiful Glittering
Category
21st Century and Contemporary Multi-Strand Necklaces
Materials
Diamond, Gold, 18k Gold
1, 30Ct Diamonds VS-F Quality 18K White & Rose Gold Contemporary Dangle Earrings
By Celine Roelens
Located in GENT, BE
"Jena" earrings in 18K white and rose gold 6,2g set with diamonds in brilliant cut 1,30Ct (VS-F
Category
21st Century and Contemporary Belgian Contemporary Dangle Earrings
Materials
Diamond, Gold, Rose Gold, 18k Gold, White Gold
Free Shipping
H 0.27 in W 0.76 in L 1.32 in
14 Karat White Gold Diamond Engagement Ring '.30 ct.'
Located in Washington Depot, CT
14 Karat White Gold Diamond Engagement Ring Size 6 (.30 ct.)-
This sparkling engagement ring
Category
20th Century Engagement Rings
Materials
Diamond, White Gold
18kt Yellow Gold Adler Genéva Bangle Bracelet 30ct Rubies & 5ct Diamonds, Estate
By Adler
Located in Antwerp, BE
from Estate His Majesty The Sultan Of Oman Qaboos Bin Said
Rubies: 420 rubies : Ca. 30 Ct
Diamonds
Category
20th Century Swiss Artisan Bangles
Materials
Diamond, Ruby, 18k Gold, Yellow Gold
Free Shipping
Dm 0.71 in
Horseshoe Natural Ruby Diamond Necklace 14kt gold
Located in New York, NY
Horseshoe pendant
.50ct. Natural Ruby
VS clean clarity
Billiant oval cut
5.6 x 4mm
.30ct
Category
2010s American Pendant Necklaces
Materials
Diamond, Ruby, 14k Gold, White Gold
.30 Carat Natural Jet Black Onyx Diamonds Ring 18 Karat
Located in New York, NY
Sapphire.
.30ct. Diamonds G-color Vs-2 clarity.
Gorgeous Carved German Onyx Inlay
18kt. yellow gold
Category
2010s American Solitaire Rings
Materials
Diamond, Onyx, Blue Sapphire, 18k Gold, Yellow Gold
2.15ct Tanzanite Necklace 14kt Gold Trillian 18 inch Necklace
Located in New York, NY
Measurement: 11mm
.30ct diamonds H/vs2
14kt. white gold & necklace
16 inches long.
Grand weight: 10 grams
Category
2010s American Pendant Necklaces
Materials
Diamond, Tanzanite, 14k Gold, White Gold
11.30 Carat Directional Pin / Hair Pin 14 Karat Colors and Pride Statement
Located in New York, NY
.
.30ct Diamonds
I-color Vs-2 clarity.
Clean Clarity & Transparent
18kt yellow gold
25.1 grams
Category
21st Century and Contemporary American More Jewelry
Materials
Diamond, Multi-gemstone, 18k Gold, Yellow Gold
Free Shipping
W 3.5 in L 0.35 in
GIA certified 1.30ct. Round cut diamonds ring G/VVS-1 platinum classic & Wreath
Located in New York, NY
GIA 1.00ct. Round cut diamond & .30ct. diamonds ring.
Report: 2155648778
G-color, VVs-1 Clarity
Category
2010s American Solitaire Rings
Materials
Diamond, Platinum
14 Karat Yellow Gold Diamond Wedding Band Ring
Located in Washington Depot, CT
mm.
Approximate total diamond weight: .30 ct.
Diamond color: I
Diamond clarity: SI1-I1
Ring Size
Category
20th Century Unknown Wedding Rings
Materials
Diamond, Yellow Gold
10 Karat White and Yellow Gold Diamond Ring
Located in Washington Depot, CT
mm. Approximate total diamond weight: .30 ct. Diamond clarity: I1-I2 Diamond color: J Ring Size: 6.75
Category
20th Century More Rings
Materials
Diamond, White Gold
1.85 Carat Natural Cabochon Chrysoberyl Cats Eye Diamonds Ring 14 Karat Crescent
Located in New York, NY
Vintage Crescent
1.55ct. Natural Chrysoberyl (Cats Eye) & .30ct. diamonds ring.
Round Cabochon
Category
2010s American Cocktail Rings
Materials
Chrysoberyl, Diamond, Platinum
"Ever Us" 14 Karat White Gold and Diamond Ring Size 6.5 #14878
By Ever Us
Located in Washington Depot, CT
: 2 mm.
Approximate diamond weight: .30 ct.
Diamond color: I
Diamond clarity: I1
Hallmark: Ever
Category
21st Century and Contemporary Engagement Rings
Materials
White Diamond, Gold, 14k Gold, White Gold
4 Karat White Gold Diamond Stud Earrings #14448
Located in Washington Depot, CT
gold. Push back closures.
Approximate total diamond weight: .30 ct.
Diamond color: I
Diamond
Category
20th Century Stud Earrings
Materials
White Diamond, Gold, 14k Gold, White Gold
14 Karat Yellow Gold and Diamond Square Ring
Located in Washington Depot, CT
weight: .30 ct.
Diamond color: H
Diamond clarity: SI1
Ring Size: 8
Weight: 4.2 dwt. / 6.6 gr
Category
20th Century Fashion Rings
Materials
Diamond, 14k Gold, Yellow Gold
14 Karat White Gold and Diamond Wedding Band Ring
Located in Washington Depot, CT
diamond weight: .30 ct.
Diamond color: I
Diamond clarity: I1-I2
Size: 5.5
Weight: 1.2 dwt. / 1.9
Category
20th Century Wedding Rings
Materials
Diamond, White Gold
Meghna Jewels Claw Stud Green Chalcedony Diamond Earrings
By Meghna Jewels
Located in Hoffman Estate, IL
.30 ct diamonds with a centered marquise 3.30 ct green chalcedony. They are a stunning alternative to
Category
21st Century and Contemporary American Modern Stud Earrings
Materials
Chalcedony, Onyx, Diamond, Sterling Silver
Vintage 14 Karat White Gold and Diamond Wedding Band Ring
Located in Washington Depot, CT
total diamond weight: .30 ct.
Diamond color: I
Diamond clarity: I1
Size: 7.25
Weight: 2.1 dwt
Category
20th Century Wedding Rings
Materials
Diamond, White Gold
Platinum and Princess Diamond Wedding Band Ring
Located in Washington Depot, CT
ten princess cut diamonds set in elegant platinum. Width: 3 mm.
Approximate total diamond weight: .30
Category
20th Century Wedding Rings
Materials
Diamond, Platinum
14 Karat White Gold and Diamond Heart Earrings
Located in Washington Depot, CT
total diamond weight: .30 ct.
Diamond color: I-J
Diamond clarity: SI1
Size: 7 mm x 7 mm
Weight
Category
20th Century Stud Earrings
Materials
Diamond, White Gold
18 Karat Yellow Gold Diamond Stud Earrings #16074
Located in Washington Depot, CT
weight: .30 ct.
Diamond color: G
Diamond clarity: VS1
Size: 8 mm
Stamped: 750
Weight: 3.1 gr./ 2.0
Category
21st Century and Contemporary Drop Earrings
Materials
Diamond, 18k Gold, Yellow Gold
Vintage 14 Karat White Gold Diamond Pendant Necklace
Located in Washington Depot, CT
total diamond weight: .30 ct.
Diamond color: H
Diamond clarity: SI1
Size: pendant - 17 mm x 4 mm
Category
20th Century Pendant Necklaces
Materials
Diamond, White Gold
18 Karat Yellow Gold and Diamond Handbag Pendant
Located in Washington Depot, CT
diamond weight: .30 ct.
Diamond color: G
Diamond clarity: VS1
Size: 17 mm x 16 mm
Weight: 3.2
Category
20th Century Pendant Necklaces
Materials
Diamond, Yellow Gold
14 Karat White Gold Diamond and Aquamarine Ring
Located in Washington Depot, CT
.
Approximate total diamond weight: .30 ct.
Diamond color: J
Diamond clarity: VS
Ring Size: 6.5
Weight
Category
20th Century Fashion Rings
Materials
Aquamarine, Diamond, White Gold
14 Karat White Gold and Diamond Peace Pendant
Located in Washington Depot, CT
single cut diamonds set in beautifully detailed 14K white gold.
Approximate total diamond weight: .30 ct
Category
20th Century Pendant Necklaces
Materials
Diamond, White Gold
14 Karat White Gold and Diamond Earrings
Located in Washington Depot, CT
diamond weight: .30 ct.
Diamond color: I
Diamond clarity: SI1
Size: 14 mm x 14 mm
Weight: 3.9 dwt
Category
Early 20th Century Stud Earrings
Materials
Diamond, White Gold
10 Karat White Gold and 3 Diamond Pendant #17047
Located in Washington Depot, CT
cut diamonds set in classic 10K white gold.
Approximate total diamond weight: .30 ct.
Diamond color
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, 10k Gold, White Gold
Vintage 10 Karat White Gold and Diamond Star Pendant
Located in Washington Depot, CT
round single cut diamonds set in classic 10K white gold.
Approximate total diamond weight: .30 ct
Category
20th Century Pendant Necklaces
Materials
Diamond, White Gold
14 Karat White Gold and Diamond Cross Pendant Necklace #16633
Located in Washington Depot, CT
14K white gold. Suspends from a classic cable necklace.
Approximate diamond weight: .30 ct.
Diamond
Category
21st Century and Contemporary Pendant Necklaces
Materials
White Diamond, Gold, 14k Gold, White Gold
14 Karat Yellow Gold Diamond and Natural Emerald Ring
Located in Washington Depot, CT
.
Shank: 4 mm.
Approximate total diamond weight: .30 ct.
Diamond color: G
Diamond clarity: VS2-SI1
Category
20th Century Fashion Rings
Materials
Diamond, Emerald, Yellow Gold
Vintage 14 Karat White Gold Tanzanite and Diamond Ring
Located in Washington Depot, CT
mm. Shank: 3 mm.
Approximate total diamond weight: .30 ct.
Diamond color: J-K
Diamond clarity
Category
20th Century Fashion Rings
Materials
Diamond, Tanzanite, White Gold
14 Karat Yellow/White Gold and Diamond Cross Pendant #14708
Located in Washington Depot, CT
yellow gold. (Front: white, back: yellow).
Approximate diamond weight: .30 ct.
Diamond color: H-I
Category
20th Century Pendant Necklaces
Materials
White Diamond, Gold, 14k Gold, White Gold, Yellow Gold
14 Karat White Gold Heart Shaped Diamond Engagement Ring Size 7.5 #17097
Located in Washington Depot, CT
weight: .30 ct.
Diamond color: J
Diamond clarity: SI1
Ring Size: 7.5
Stamped: 14K
Weight: 1.9 dwt
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, 14k Gold, White Gold
10 Karat White Gold Diamond Ring
Located in Washington Depot, CT
diamond weight: .30 ct.
Diamond clarity: I
Diamond color: I1
Size: 7
Weight: 1.8 dwt. / 2.8 gr
Category
20th Century Cocktail Rings
Materials
Diamond, White Gold
14 Karat White Gold Diamond Pendant Necklace
Located in Washington Depot, CT
total diamond weight: .30 ct.
Diamond clarity: J
Diamond color: I2
Size: 14 inches (necklace)
8 mm
Category
20th Century Pendant Necklaces
Materials
Diamond, White Gold
14 Karat Yellow Gold Diamond Heart Pendant
Located in Washington Depot, CT
brilliant cut diamonds set in classic 14K yellow gold.
Approximate total diamond weight: .30 ct.
Diamond
Category
20th Century Pendant Necklaces
Materials
Diamond, Yellow Gold
14 Karat White Gold and Diamond Ring
Located in Washington Depot, CT
weight: .30 ct.
Diamond color: G
Diamond clarity: SI1
Ring Size: 6
Weight: 1.8 dwt. / 2.9 gr
Category
20th Century Band Rings
Materials
Diamond, White Gold
14 Karat White Gold and Diamond Band Ring
Located in Washington Depot, CT
weight: .30 ct.
Diamond color: I
Diamond clarity: I1-I2
Ring Size: 7
Weight: 1.9 dwt. / 3.0 gr
Category
20th Century Band Rings
Materials
Diamond, White Gold
Vintage 14 Karat White Gold and Diamond Ring
Located in Washington Depot, CT
brilliant cut diamonds set in classic 14K white gold. Width: 3 mm.
Shank: 2 mm.
Total diamond weight: .30
Category
20th Century Band Rings
Materials
Diamond, White Gold
14 Karat Two Tone Gold and Diamond Earrings #14932
Located in Washington Depot, CT
weight: .30 ct.
Diamond clarity: SI1-I1
Diamond color: J-K
Size: 20 mm x 6 mm
Weight: 2.3 dwt
Category
20th Century Drop Earrings
Materials
White Diamond, Gold, 14k Gold, White Gold, Yellow Gold
14 Karat Yellow Gold Diamond Band Ring Size 5.5 #14447
Located in Washington Depot, CT
diamond weight: .30 ct.
Diamond color: G
Diamond clarity: VS1
Size: 5.5
Weight: 1.9 gr./ 1.2 dwt
Category
20th Century Band Rings
Materials
White Diamond, Gold, 14k Gold, Yellow Gold
14 Karat Yellow Gold Diamond Band Ring Size 6.5 #15793
Located in Washington Depot, CT
: .30 ct.
Diamond clarity: SI1-I1
Diamond color: H-I
Ring Size: 6.5
Stamped: 14K
Weight: 1.7 gr
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, 14k Gold, Yellow Gold
14 Karat White Gold and Diamond Star Ring Size 7.5
Located in Washington Depot, CT
.
Approximate total diamond weight: .30 ct.
Diamond color: H
Diamond clarity: SI1
Size: 7.5
Weight: 2.9
Category
20th Century Fashion Rings
Materials
Diamond, 14k Gold, White Gold
Vintage 14 Karat Yellow Gold and Baguette Diamond Ring Size 7 #15332
Located in Washington Depot, CT
total diamond weight: .30 ct.
Diamond color: I
Diamond clarity: SI1-I1
Size: 7
Weight: 4.5 gr
Category
Late 20th Century Engagement Rings
Materials
Diamond, 14k Gold, Yellow Gold
18 Karat Yellow Gold and Diamond Ring Size 8
Located in Washington Depot, CT
.
Approximate total diamond weight: .30 ct.
Diamond color: G
Diamond clarity: VS1
Ring Size: 8
Weight: 9.1
Category
20th Century Cocktail Rings
Materials
Diamond, Yellow Gold
10 Karat Yellow & White Gold Diamond Cross Pendant #15971
Located in Washington Depot, CT
gold.
Approximate total diamond weight: .30 ct.
Diamond color: I
Diamond clarity: I1
Size: 33 mm x
Category
20th Century Pendant Necklaces
Materials
Diamond, 10k Gold, White Gold, Yellow Gold
14 Karat Yellow Gold Mobe Pearl and Diamond Earrings
Located in Washington Depot, CT
detailed 14K yellow gold. Hinged closures.
Approximate total diamond weight: .30 ct.
Diamond clarity
Category
20th Century Lever-Back Earrings
Materials
Diamond, Pearl, 14k Gold, Yellow Gold
14 Karat Yellow Gold Diamond Pendant #15978
Located in Washington Depot, CT
visible to naked eye.
Approximate total diamond weight: .30 ct.
Diamond color: I-J
Diamond clarity: I1
Category
20th Century Pendant Necklaces
Materials
Diamond, 14k Gold, Yellow Gold
14 Karat Yellow Gold Sapphire and Diamond Earrings #15102
Located in Washington Depot, CT
weight: 1.22 ct.
Total diamond weight: .30 ct.
Diamond clarity: SI2-I1
Diamond color: H-I
Size: 10
Category
21st Century and Contemporary Drop Earrings
Materials
White Diamond, Blue Sapphire, Gold, 14k Gold, Yellow Gold
18 Karat White Gold and Diamond Pendant Necklace
Located in Washington Depot, CT
.
Approximate total diamond weight: .30 ct.
Diamond color: L-N
Diamond clarity: SI1-I1
Size: 16 inches
Category
20th Century Pendant Necklaces
Materials
Diamond, 18k Gold, White Gold
18K Yellow Gold Diamond Ruby Sapphire & Emerald Elephant Pendant #17049
Located in Washington Depot, CT
: .30 ct.
Diamond color: I-J
Diamond clarity: I
Size: 37 mm x 24 mm
Stamped: 18K
Weight: 5.6 dwt
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, Emerald, Ruby, Sapphire, 18k Gold, Yellow Gold
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W 0.95 in L 1.46 in
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30ct Diamond For Sale on 1stDibs
On 1stDibs, you can find the most appropriate 30ct diamond for your needs in our varied inventory. 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. Our collection of these items for sale includes 133 vintage editions and 188 modern creations to choose from as well. You’re likely to find the perfect 30ct 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. 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 30ct diamond — no matter the origin — is easy, but LB Exclusive, Capucelli and Cellini each produced a popular version that is worth a look. See these pages for a round cut iteration of this accessory, while there are also oval cut cut and mixed cut cut versions available here, too. If you’re browsing our inventory for a 30ct 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 30ct Diamond?
Prices for a 30ct diamond can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $350 and can go as high as $175,316, while this accessory, on average, fetches $3,799.
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