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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
18 Kt Gold Necklace & Pendant With 30 ct. Black & White Diamonds & Rubies
Located in Antwerp, BE
Magnificent 18 Kt Gold Necklace & Pendant With 30 ct. Black & White Diamonds & Rubies
Necklace can
Category
21st Century and Contemporary Belgian Artisan Pendant Necklaces
Materials
White Diamond, Ruby, Platinum, Gold
30 Ct Aquamarine 3 Ct Sapphires Diamond Ring, 1995
Located in Herzelia, Tel Aviv
Diamond Ring with a 30Ct Aquamarine and 3Ct Sapphires. Massive and fine ring perfectly representing the 1990es. The color of the Aquamarine is just mesmerizing. It is an oversized st...
Category
1990s Cocktail Rings
Materials
Aquamarine, Diamond, Sapphire, 18k 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
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
PHILIPPE SPENCER .30 Ct. Teal Tourmaline in 22K and 20K Gold Solitaire Ring
By PHILIPPE SPENCER
Located in Key West, FL
PHILIPPE-SPENCER - .30 Ct. Faceted Teal Tourmaline wrapped in 22K Gold Bezel Setting, with Anvil
Category
21st Century and Contemporary American Artisan Solitaire Rings
Materials
Tourmaline, Gold, 22k Gold
Vivid Green Tourmaline, Faceted Gem, 12, 30 Ct., Loose Gemstone, Oval
Located in Kirschweiler, DE
We are delighted to be able to offer, this 12,30 ct. green Tourmaline from our collection.
This
Category
21st Century and Contemporary German Contemporary Loose Gemstones
Materials
Tourmaline
Free Shipping
H 0.33 in W 0.67 in L 0.52 in
AJD Enormous Glowing Clear 30 Ct. Morganite Sterling Silver Cocktail Ring
By Aria Jewelry Design
Located in Raleigh, NC
Unique Brilliant glittering clear beautiful huge natural 30 carat Morganite (24 mm x 19 mm) set in
Category
21st Century and Contemporary American Cocktail Rings
Materials
Morganite, Sterling Silver
Rose Cut Sliced 30 Ct Blue Sapphire 0.67 Ct Diamonds 14k Yellow Gold Necklace
Located in Los Angeles, CA
: 30.97 Sliced Natural Blue Sapphire and 0.67 ct G SI1 Diamonds
Hallmarks: 14K
Total Weight: 10 Grams
Category
2010s Unknown Pendant Necklaces
Materials
Blue Sapphire
NWT $225, 000 Rare Platinum 30 Ct Gorgeous Blue Ceylon Sapphire Diamond Bracelet
Located in New York, NY
The Following Item we are offering is a Rare Important Radiant Platinum Large Rare Fancy Blue Ceylon Sapphire and Diamond Bracelet. Bracelet is comprised of a Rare Large Gorgeous Eme...
Category
21st Century and Contemporary Tennis Bracelets
Materials
Diamond, Sapphire, Blue Sapphire, Platinum
Fine 30 ct. Kunzite, Diamond and 18K yellow Gold Large Vintage Ring, c. 1960.
Located in Aspen, CO
" pink kunzite is estimated to weigh 30+ cts. The stone is well cut as evident of the brightness of the
Category
Mid-20th Century American Cocktail Rings
Materials
Diamond, Kunzite, Yellow Gold
Certified 17..30 Ct of Zambia Emeralds, Diamonds and South Sea Pearl on Pendant
Located in Massafra, IT
An exquisite Art Deco style for this pendant/brooch, in 18k gold with 5 pieces of Zambia emeralds of 17.30 carats, fine quality, with a natural south sea pearl of about 13 mm, and 10...
Category
21st Century and Contemporary Art Deco Pendant Necklaces
Materials
Diamond, Emerald, South Sea Pearl, 18k Gold
Engagement Ring with Certificate Natural White Diamond 0, 30 Ct G SI1, 18kt Gold
Located in Vicenza, VI
100% Made in Italy.Solitaire Ring, Modern Design.
Gemstone (1x): White Diamond / 0,30 ct / G / SI1
Category
2010s Italian Contemporary Solitaire Rings
Materials
White Diamond, Gold, 18k Gold, White Gold
Engagement Ring with Certificate Natural White Diamond 0, 30 Ct G SI1, 18kt Gold
Located in Vicenza, VI
100% Made in Italy.Solitaire Ring, Modern Design.
Gemstone (1x): White Diamond / 0,30 ct / G / SI1
Category
2010s Italian Contemporary Solitaire Rings
Materials
White Diamond, Gold, 18k Gold, White Gold
Engagement Ring with Certificate Natural White Diamond 0, 30 Ct G SI1, 18kt Gold
Located in Vicenza, VI
100% Made in Italy.Solitaire Ring, Modern Design.
Gemstone (1x): White Diamond / 0,30 ct / G / SI1
Category
2010s Italian Contemporary Engagement Rings
Materials
White Diamond, Gold, 18k Gold, White Gold
Engagement Ring with Certificate Natural White Diamond 0, 30 Ct G SI1, 18kt Gold
Located in Vicenza, VI
100% Made in Italy.Solitaire Ring, Modern Design.
Gemstone (1x): White Diamond / 0,30 ct / G / SI1
Category
2010s Italian Contemporary Engagement Rings
Materials
White Diamond, Gold, 18k Gold, White Gold
Engagement Ring with Certificate Natural White Diamond 0, 30 Ct G SI1, 18kt Gold
Located in Vicenza, VI
100% Made in Italy.Solitaire Ring, Modern Design.
Gemstone (1x): White Diamond / 0,30 ct / G / SI1
Category
2010s Italian Contemporary Engagement Rings
Materials
White Diamond, Gold, 18k Gold, White Gold
Engagement Ring with Certificate Natural White Diamond 0, 30 Ct G SI1, 18kt Gold
Located in Vicenza, VI
100% Made in Italy.Solitaire Ring, Modern Design.
Gemstone (1x): White Diamond / 0,30 ct / G / SI1
Category
2010s Italian Contemporary Engagement Rings
Materials
White Diamond, Gold, 18k Gold, White Gold
Edwardian .85 Ct Diamond .35 Ct Sapphire 18 KT Platinum Ring
Located in Napoli, IT
approx .30 Ct
Head measure 10 mm. x 10 mm.
Can re-size easily
Wonderful condition throughout
Gorgeous
Category
Antique Early 1900s European Edwardian Cluster Rings
Materials
Diamond, Sapphire, 18k Gold, Platinum
Estate 8.95 Ct Natural Yellow Sapphire Diamond English 18 KT Ring
Located in Napoli, IT
Yellow Sapphire of lovely vibrant yellow color and full of sparkle
Complemented on sides by .30 Ct. of
Category
21st Century and Contemporary English Contemporary Band Rings
Materials
Diamond, Yellow Sapphire, 18k Gold
Art Deco .85 Ct Diamond Wide Band 18 KT Ring
Located in Napoli, IT
design for .55 Ct rated as G VVS/VS with eye clean rose cut Diamonds for .30 Ct rated G/H SI
13 mm. at
Category
Vintage 1920s European Art Deco Band Rings
Materials
Diamond, 18k Gold
Black Sapphire 14K Yellow Gold Cocktail Ring, circa 1960s
Located in Beverly Hills, CA
sapphire weighing approximately 30 ct. The mount features a hand-textured, lined finish throughout.
Sleek
Category
20th Century Cocktail Rings
Materials
Sapphire, Yellow Gold, Gold, 14k Gold
Estate 2.60 Ct Natural Emerald Solitaire Swing Drop Earrings
Located in Napoli, IT
(5.4 x 3.4 mm.) topped by two round cut of .30 Ct . attractive in colour and full of sparkle
Finely
Category
Mid-20th Century European Contemporary Dangle Earrings
Materials
Emerald, 18k Gold
Art Deco Diamond 1.15 Ct Diamond Twin Target Pendant 18 KT Necklace
Located in Napoli, IT
of .85 Ct I VVS bright white loupe clear Diamond, full of sparkle, topped by an old mine cut of .30
Category
Vintage 1920s European Art Deco Pendant Necklaces
Materials
Diamond, 18k Gold
Free Shipping
H 0.71 in W 0.4 in L 18.51 in
Violet Blue Colour 7.50 Ct Tanzanite Diamond Earrings
Located in Napoli, IT
topped by two brilliant cut Diamonds of a known .30 Ct for both G VVS grade
Hand crafted mount of
Category
21st Century and Contemporary European Contemporary Drop Earrings
Materials
Diamond, Tanzanite, 18k Gold
Late Art Deco French Certified 1.91 Ct Fancy Yellow Diamond Plus Platinum ring
Located in Napoli, IT
in measure – 8 half cut diamonds totalling approx .30 Ct
Extremely well hand crafted mount of solid
Category
Vintage 1930s French Art Deco Engagement Rings
Materials
Yellow Diamond, Platinum
Edwardian 2.10 Ct Diamond 18 KT Pendant plus Chain
Located in Napoli, IT
approx .30 Ct (G/VS) and 1 old pear cut Diamond of .60 Ct I/J VVS - complementary 53 old mine cut
Category
Antique Early 1900s European Edwardian Pendant Necklaces
Materials
Diamond, 18k Gold, Platinum
Mid-Century Emerald and Diamond 14K White Gold Ring
Located in Beverly Hills, CA
emerald weighing 30 ct. and measuring 20 x 18 millimeters in size. The ring is futher accented by 252
Category
Vintage 1950s Dome Rings
Materials
Diamond, Emerald, 14k Gold, White Gold
French Art Deco 1.90 Ct Diamond Solitaire Plus Platinum Engagement Ring
Located in Napoli, IT
approx .30 Ct G/H VVS complementing the shoulders with elegance ad extra sparkle
Crown is 8 mm. x 16 mm
Category
Vintage 1920s French Art Deco Engagement Rings
Materials
Diamond, Platinum
Gothic Style 1.35 Ct Old Mine Diamond 14 KT Rare Ring
Located in Napoli, IT
is .30 Ct approx. – Diamonds are of amazing bright white quality, G/H VVS/VS
Crown is 19 x 12 mm. (h
Category
Mid-20th Century European Gothic Revival Cluster Rings
Materials
Diamond, 14k Gold
Tiffany & Co Novo Platinum Diamond Engagement Ring
Located in Washington Depot, CT
ring features one cushion cut diamond in its center (.30 ct.) and 16 round brilliant cut diamonds set
Category
20th Century Engagement Rings
Materials
Diamond, Platinum
Yellow Gold Diamond Flower Ring
Located in Firenze, FI
18k yellow gold ring with center brilliant cut ruby ( Burma ) , approximately .30 ct surrounded by
Category
Mid-20th Century Italian Art Deco Cocktail Rings
Materials
Diamond, Yellow Gold
Edwardian 25.45 Ct. Natural Citrine Diamond 18 Kt/Silver Bracelet
Located in Napoli, IT
. - 10.6 x 7.48 mm.)
Complementary stone are 6 old mine cut diamonds totaling approx .30 Ct
Clasp working
Category
Antique Early 1900s European Edwardian Link Bracelets
Materials
Citrine, Diamond, 18k Gold, Silver
Citrine, Diamond and Hematite Bead and 14k Yellow Gold Necklace, circa 1970s
Located in Beverly Hills, CA
beads centering one triangular mixed cut citrine weighing 30 ct. flanked by two round brilliant citrines
Category
20th Century Multi-Strand Necklaces
Materials
Citrine, Diamond, Hematite, 14k Gold, Yellow Gold
Antique English Diamond Royal Engineers Badge Brooch Platinum 18 Kt gold
Located in Napoli, IT
with Red and Blue enamelling
Embellished with Diamonds approx .30 Ct
Bearing “Honi -Soit -Qui -Mal – Y
Category
Vintage 1920s European Art Deco Brooches
Materials
Diamond, Gold, 18k Gold, Platinum
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H 1.15 in W 0.99 in
18K White Gold Cushion Brilliant Cut 9.08 CT Emerald and 5.36 CTW Diamond Ring
Located in Stuart, FL
brilliant cut diamonds
Weight (each)- 0.01-.30 ct
Weight (total)- 5.36 ctw
Quantity- 92
Clarity- VVS-2-SI-1
Category
21st Century and Contemporary Fashion Rings
Materials
Diamond, Emerald, 18k Gold, White Gold
Art Deco 22.00 Ct Natural Emerald Old Mine Diamond 18 Kt Earrings
Located in Napoli, IT
.30 CT G VS
They are 45 x 9 mm. (h. x w.) including wire
Completed with hook wire for pierced ears
Category
Vintage 1920s European Art Deco Drop Earrings
Materials
Diamond, Emerald, 18k Gold
14K White Gold Slanted Cross Diamond Pendant and Chain
Located in Atlanta, GA
Details:
Weight: 30 .ct
Cut: Old European brilliant
Color: G
Clarity: VS
Measurement: Cross top to bottom
Category
Early 2000s Unknown Contemporary Pendant Necklaces
Materials
Diamond, White Gold
Platinum Burmese 25 Ct Ruby No Heat Necklace- His Majesty Qaboos Bin Said Estate
Located in Antwerp, BE
work of art !
Diamonds : Brilliant cut diamonds together approx. 30 ct diamonds Top Color & Purity
77
Category
20th Century French Artisan Drop Necklaces
Materials
Diamond, Ruby, Platinum
W 1.97 in L 14.97 in
Michael Beaudry Pear Shaped Diamond Pendant On A Diamond Chain In Platinum
By Michael Beaudry
Located in Naples, FL
Michael Beaudry Platinum Diamond Pear Shaped Pendant With A Center .30 Ct Pear Shaped Diamonds G In
Category
20th Century Art Deco Pendant Necklaces
Materials
Diamond, Platinum
14k White Gold Tanzanite and Diamond Halo Pendant
Located in Atlanta, GA
Details: 1.00ct, Natural, Purple, Oval Cut
Diamond Details: .30 ct, total weight, G-H Color, VS clarity
Category
Early 2000s Unknown Contemporary Pendant Necklaces
Materials
Diamond, Tanzanite, White Gold
Estate Sabbadini Diamond Roses Twin Brooches 18 KT
By Sabbadini
Located in Napoli, IT
each brooch - 2 brilliant cut diamonds totaling approx .30 Ct (G/VVS)
Both brooches are 65.3 grams
Category
Vintage 1970s Italian Contemporary Brooches
Materials
Diamond, 18k Gold
Sliced 30.14 Carat Ruby 0.35 Carat Diamonds 14 Karat Rose Gold Necklace
Located in Los Angeles, CA
Stone Type:30 CT Ruby and 0.35 CT J SI1 Diamonds
Hallmarks: 14K
Total Weight: 9.2 Grams
Condition: New
Category
2010s Unknown Pendant Necklaces
Materials
Diamond, Ruby
Platinum and Sapphire and Diamond Ring
Located in New York, NY
French-cut diamonds approximately .30 ct and four small square-cut sapphires framed and flanked by 26
Category
Vintage 1920s American Art Deco More Rings
Materials
Sapphire, Platinum
Early Victorian 1.40 CT Diamond Flower Brooch 18 KT Silver
Located in Napoli, IT
Kt gold and silver, tested
Hallmarks: none/worn
Gems: 1 old mine cut diamond of approx .30 Ct (G/H
Category
Antique 1840s European Victorian Brooches
Materials
Diamond, 18k Gold, Silver
French Retro Rare Diamond Jarretière Bracelet
Located in Napoli, IT
, edged with a rope along the sides
Magnificent crafting, timeless in beauty
It holds .30 Ct of Diamonds
Category
Vintage 1940s French Retro Link Bracelets
Materials
Diamond, 18k Gold, Platinum
Art Deco 2.30 Ct Diamond Swing Drop Earrings 18Kt/Platinum
Located in Napoli, IT
detailed throughout
Set with 2-30 Ct TCW of Diamonds – 2 Principle Diamonds are 1.50 Ct. for both rated as
Category
Vintage 1920s European Art Deco Dangle Earrings
Materials
Diamond, 18k Gold, Platinum
Platinum Tennis Bracelet 30ct. Square & Brilliant Diamonds, Estate Sultan Oman
Located in Antwerp, BE
Magnificent Platinum Tennis Bracelet 30 ct. Square and Brilliant Diamonds , Estate Sultan Oman
Category
20th Century European Artisan Tennis Bracelets
Materials
Diamond, Platinum
Georgian Natural Ruby Diamond Rare Urn Ring
Located in Napoli, IT
cut and old mine cut Diamonds for approx. 30 Ct to complement the main gemstone
Rare and beautiful
Category
Antique 1780s English Georgian Cluster Rings
Materials
Diamond, Ruby, 18k Gold, Silver
Estate 2.70 Ct Five Stone Diamond ring
Located in Napoli, IT
. 30 Ct. Ct. 30 , totaling 2.20 Ct and .50 Ct. more for the little Diamonds in surround – Diamond TCW
Category
Late 20th Century European Contemporary Engagement Rings
Materials
Diamond, 18k Gold
Victorian Natural Pearl Diamond Three Stone 18 KT Ring
Located in Napoli, IT
mine cut Diamonds for .30 Ct – G/H VVS/VS
Fine and exquisite example for engagement, anniversary or
Category
Antique 1870s European Victorian Three-Stone Rings
Materials
Diamond, Natural Pearl, 18k Gold
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
Mauboussin Diamond Flower Rose Gold Pendant Necklace
By Mauboussin
Located in Holland, PA
VS1 clarity, G color total weight .30 ct
12 round brilliant cut diamonds VS1 clarity, G color total
Category
21st Century and Contemporary French Pendant Necklaces
Materials
Diamond, Rose 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
"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
18 K White Gold Onyx Citrine Diamond Dangle Earrings
Located in Zurich, Zollstrasse
Diamonds and 2 large pear shape Citrine pendants. The 2 Citrine weigh approximately
30 ct.
Masterfully
Category
2010s Unknown Contemporary Drop Earrings
Materials
Citrine, Diamond, Onyx, 18k Gold, White 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
Le Triomphe Tiger's Eye, Diamond and Gold Ring
By La Triomphe
Located in Bay Harbor Islands, FL
features 27 round brilliant cut diamonds with an estimated total weight of .30 Ct. The design features a
Category
Vintage 1980s American More Rings
Materials
Diamond, 14k Gold, Yellow Gold
Jelly Opal 4.20 Ct and Diamond Dangly Drop earrings
Located in Napoli, IT
Diamonds are . 15 CT over the top for the two solitaires and 60 in number tiny Diamonds for approx .30 Ct G
Category
Late 20th Century European Contemporary Drop Earrings
Materials
Diamond, Opal, 18k Gold
14 Karat White Gold Diamond Halo Ring
Located in Washington Depot, CT
cut diamonds in its center (.20 ct. TWT.) and 26 round brilliant cut diamonds (.30 ct. TWT.) on its
Category
20th Century Unknown Engagement Rings
Materials
Diamond, White Gold
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30 Ct For Sale on 1stDibs
On 1stDibs, you can find the most appropriate 30 ct for your needs in our varied inventory. Frequently made of Gold, 14k Gold and White Gold, this item was constructed with great care. Our collection of these items for sale includes 209 vintage editions and 478 modern creations to choose from as well. Finding the perfect 30 ct may mean sifting through those created during different time periods — you can find an early version that dates to the 18th Century and a newer variation that were made as recently as the 21st Century. There have been many well-made iterations of the classic 30 ct over the years, but those made by LB Exclusive, House of R&D and Victor Mayer are often thought to be among the most beautiful. Take a look at a 30 ct featuring Diamond from our inventory today to add the perfect touch to your 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 mixed cut alternatives. When shopping for a 30 ct, you’ll find that there are less available pieces for unisex or men today than there are for women.
How Much is a 30 Ct?
Prices for a 30 ct can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $1 and can go as high as $160,000, while this accessory, on average, fetches $2,875.
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