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30 Carat 2a Diamond

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30 Carat Riviera Tennis Necklace
By Diamond Scene New York
Located in New York, NY
brilliant cut diamonds with a 2 carat center stone. 17 inch length.
Category

21st Century and Contemporary Link Necklaces

Materials

Diamond, 18k Gold

.30 Carat Diamond Yellow Gold Hinged Buckle Bangle Bracelet
Located in Stamford, CT
Diamond bangle bracelet. 18k yellow gold hinged bracelet with a buckle design set with 20 round
Category

Late 20th Century Bangles

Materials

Diamond, Gold, 18k Gold, Yellow Gold

1940s Retro 30 Carat Amethyst and Diamond Bracelet
Located in Santa Barbara, CA
luxurious, textured 18 karat yellow gold links delicately embrace 30 carats of soothing, rich, royal purple
Category

Vintage 1940s Retro Retro Bracelets

Materials

Amethyst, Diamond, Gold, 18k Gold, Yellow Gold

GIA Certified 30 Carat Diamond Graduated Riviera Necklace
By Issac Nussbaum
Located in New York, NY
perfectly cut ideal round brilliant diamonds. Center stone is a 2 carat stunner which graduates down to 1 1
Category

2010s American Drop Necklaces

Materials

Diamond, 18k Gold

10.30 Carat Tanzanite and 1.25Ct Diamonds Halo - 18 kt. White gold - Earrings
By Diamonds Mine
Located in Ramat Gan, IL
: ___________ Natural Tanzanite Cut: Cut Cornered Rectangle Step Cut Carat: 10.30 tcw / 2 pieces Color: Violetish Blue
Category

2010s Israeli Art Deco Dangle Earrings

Materials

Diamond, Tanzanite, White Gold, 18k Gold

Italian Diamond Clover Quatrefoil Bracelet, .30 Carats in 14k Yellow Gold LV
By Five Star Jewelry
Located in Austin, TX
top of the bangle is made with four clustered brilliant diamonds. A beautiful touch of thoughtful
Category

2010s Italian Bangles

Materials

Diamond, 14k Gold, Yellow Gold

Extra-Large Victorian 30 Carat Opal and Diamond English Carved Bangle Bracelet
Located in Carmel-by-the-Sea, CA
visible on the sides. Eleven graduated oval cabochon opals weigh an impressive 30 carats and are peppered
Category

Antique 1880s Victorian Bangles

Materials

Diamond, Opal, 15k Gold

9 Carat Aquamarine 30 Diamond Ring 18 Karat Gold Fancy Beveled Checkerboard Cut
Located in New York, NY
A spectacular Ring with a 9.0 Carat Fancy Beveled Checkerboard Cut Aquamarine surrounded by 30
Category

Mid-20th Century Unknown Contemporary Cocktail Rings

Materials

Diamond, Aquamarine, Gold, 18k Gold, White Gold

Carved 30 Carat Emerald Flower Pot Brooch with Diamonds in 18k Solid Yellow Gold
By VR Jewels
Located in Houston, TX
Gemstone Weight - 30 ct Diamond Weight - 0.9 ct Diamond size - 2 mm Length - 60 mm Width - 50 mm Gross
Category

21st Century and Contemporary American Artisan Brooches

Materials

Diamond, Emerald, Yellow Gold, 18k Gold, Gold

GIA 30 Carat Citrine Rose Diamond Halo Ring 14 Karat Gold Antique Belle Epoque
Located in New York, NY
This is an absolutely magnificent antique Belle Epoque 30 Carat Citrine Ring with a halo of
Category

Antique 19th Century Unknown Belle Époque Cocktail Rings

Materials

Diamond, Citrine, Rose Gold, 14k Gold, Gold

Diamond Tassel Necklace, 53.94 Carats
Located in New Orleans, LA
This exquisite diamond tassel necklace, with a total carat weight of 53.94, is a masterpiece of
Category

21st Century and Contemporary Modern Drop Necklaces

Materials

Diamond, 18k Gold, White Gold

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

Diamond Stud Earrings, 1.50 Carats White Gold, Round Diamonds with Diamond Halo
By Five Star Jewelry
Located in Austin, TX
Type: Studs Center Diamond Number: 2 Center Diamond Total Weight: 1.00 carat Center Diamond Clarity
Category

21st Century and Contemporary American Contemporary Stud Earrings

Materials

Diamond, White Gold, 14k Gold

1.20 Carat Diamond White Gold Bangle Bracelet
Located in Stamford, CT
dimensions: 2.28 x 1.92 inches Fits a standard 7 to 7 1/2 inch wrist Please Note, we photograph each item as
Category

Mid-20th Century Bangles

Materials

Diamond, 14k Gold, White Gold, Gold

Tiffany & Co .98 Carat Diamond Platinum Bubble Key Pendant
By Tiffany & Co.
Located in Stamford, CT
approximate total carat weight of .98cts. The original box box is Included. 114 round brilliant cut diamonds
Category

21st Century and Contemporary Necklace Enhancers

Materials

Diamond, Platinum

EGL Certified 1.16 Carat Diamond Platinum Filigree Ring
Located in Stamford, CT
Double diamond engagement ring. 2 EGL certified Old European cut center stones totaling 1.16 carats
Category

Early 20th Century Cocktail Rings

Materials

Diamond, Platinum

0.27 carat Diamond, 14K Gold Star, Constellation Ring
Located in New York, NY
, ensuring durability without compromising elegance. Natural Diamonds: Total Diamond Weight: 0.27 carats—a
Category

2010s American Modern Cluster Rings

Materials

Diamond, 14k Gold

Peter Suchy GIA Certified 1.42 Carat Diamond Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
accented by 2 straight cut baguette diamonds. Deep and vibrant brown overtone with a hint of orange color
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Yellow Diamond, Brown Diamond, Platinum

0.63 Carat Diamond Yellow Gold Two-Stone Ring
By DGI
Located in Los Angeles, CA
duo. The 2 Round Cut Diamonds weigh 0.35 Carats and the 30 Round Cut Diamonds that surround it weigh
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, 14k Gold, Yellow Gold

.25 Carat Diamond Heart Yellow Gold Stretch Bracelet
Located in Stamford, CT
disc with a stamped logo we do not recognize. 27 round brilliant cut diamonds, G_H VS approx. .25cts
Category

21st Century and Contemporary Modern Bracelets

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Sterling Silver + 14K Gold Oval "Love Locket" with Diamonds: 30" chain
Located in Los Angeles, CA
-polished and has five 2mm Diamonds set in 14K Yellow gold bezels. Available on our Sepulveda Chain- 30
Category

2010s American Contemporary Chain Necklaces

Materials

Diamond, 14k Gold, Sterling Silver

1.53 Carat Diamond Engagement Ring
Located in Miami, FL
1.53 carats, I color, Si2 clarity, adorned with 2 tapered baguette cut diamonds weighing approximately
Category

2010s Unknown Modern Engagement Rings

Materials

Diamond, Platinum

Diamond and Emerald Ring in White Gold 0.91 Carat Diamonds 0.6 Carat Emerald
By Leo Milano
Located in Milano, MI
emeralds of .30 carat each adorned with 64 diamonds for a total of .64 carats. Gold weights 4 g. This ring
Category

21st Century and Contemporary Italian Contemporary Cocktail Rings

Materials

Diamond, Emerald, White Gold

71.00 Carat Sapphire, 10.00 Carat Natural Diamonds, Statement Necklace
Located in Ramat Gan, IL
* Custom Order - Process time for this item is 30 business days. Stunning Sapphire diamond
Category

2010s Israeli Art Deco Choker Necklaces

Materials

Diamond, Sapphire, 14k Gold, 18k Gold

8.66 Carat Aqua Diamond Mid-Century Platinum Dangle Earrings
Located in Stamford, CT
1950's Spectacular vintage mid-century aquamarine and diamond dangle earrings. 2 square cut
Category

Mid-20th Century Dangle Earrings

Materials

Aquamarine, Diamond, Platinum

EGL Certified .75 Carat Diamond Three Stone Platinum Engagement Ring
Located in Stamford, CT
Beautiful Mid-Century 1950's diamond platinum engagement ring in its original setting. A .75 Carat
Category

Mid-20th Century Engagement Rings

Materials

Diamond, Platinum

Antique Inspired 1.93 Carat Diamond 18k Gold Drop Earrings
Located in Beverly Hills, CA
cut diamonds with a total weight of 1.93 carats, graded L-M color, SI1-SI2 clarity. Crafted in 18
Category

21st Century and Contemporary Drop Earrings

Materials

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

18K Yellow Gold 2.0 Carat Diamond Spiral Link Bracelet
Located in New York, NY
of 2 carats. Each diamond is color rated I-J and clarity rated as I1-I2. 'Video Available Upon
Category

21st Century and Contemporary Indian Contemporary Link Bracelets

Materials

Diamond, White Diamond, Yellow Gold, 18k Gold

GIA Certified .94 Carat Emerald Cut Diamond Platinum Engagement Ring
Located in Stamford, CT
Emerald cut 0.94 carat diamond, F color and VS2 clarity GIA certificate # 5195224 2 straight baguette cut
Category

Vintage 1980s Engagement Rings

Materials

Diamond, Platinum

1.52 Carat Square Aquamarine Diamond Halo White Gold Earrings
Located in Stamford, CT
with a total carat weight of 1.52cts. Each aqua has a halo of round brilliant cut diamonds. Crafted in
Category

21st Century and Contemporary Dangle Earrings

Materials

Aquamarine, Diamond, Gold, 14k Gold, White Gold

Peter Suchy 4.60 Carat Baguette Diamond Platinum Wedding Band Ring
By Peter Suchy
Located in Stamford, CT
. 35 baguette diamonds approx. total weight 4.60cts, F, VS Size 6 1/2 Platinum Tested: Platinum 4.7
Category

21st Century and Contemporary Wedding Rings

Materials

Diamond, Platinum

0.46 Carat Two-Stone Diamond 14 Karat Yellow Gold Ring
By Roshe Jewels
Located in Los Angeles, CA
carats surrounded by 30 Round Cut Diamonds on the shank weighing 0.28 carats. The total carat weight of
Category

21st Century and Contemporary American Modern Band Rings

Materials

White Diamond, Diamond, 14k Gold, Yellow Gold

Peter Suchy 1.00 Carat Diamond Rose Gold Engagement Ring
By Peter Suchy
Located in Stamford, CT
pear shaped diamond engagement ring. The stone is accented by 2 round brilliant cut side diamonds. The
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Gold, 14k Gold, Rose Gold

27.00 Carat Aqua Pear Briolette Round Diamond Platinum Dangle Earrings
Located in Stamford, CT
diamonds. Their mesmerizing aqua hue captures attention effortlessly. The pear briolette cut adds a touch
Category

Early 20th Century Dangle Earrings

Materials

Aquamarine, Diamond, Platinum

GIA Certified Colombian 1.40 Carat Emerald Diamond Platinum Dangle Earrings
Located in Stamford, CT
highlighted with a halo of round diamonds, accented by a single diamond on each bail. 2 octagonal cut bright
Category

Early 20th Century Dangle Earrings

Materials

Diamond, Emerald, Platinum

1.00 Carat Diamond White Gold Vintage Oval Cluster Ring
Located in Stamford, CT
1.00 Carats diamond oval cluster ring. 3 diamonds surrounded by a halo of diamonds in a 14k white
Category

Early 20th Century Cluster Rings

Materials

Diamond, Gold, 14k Gold, White Gold

David Yurman .55 Carat Diamond Silver Gold Bangle Bracelet
By David Yurman
Located in Stamford, CT
full cut diamonds in a dome form. This piece showcases the beauty of David Yurman's signature
Category

Late 20th Century Bangles

Materials

Diamond, Gold, 18k Gold, White Gold, Silver

.35 Carat Diamond Synthetic Emerald Gold Tassel Pendant Necklace
Located in Stamford, CT
and filigree 14k white gold pendant which is set with 9 round European cut diamonds and accented by 2
Category

Early 20th Century Pendant Necklaces

Materials

Diamond, Emerald, 14k Gold, White Gold, Gold

4.66 Carat Round Aquamarine Diamond Art Deco Platinum Engagement Ring
Located in Stamford, CT
1920's 4.66ct round Aquamarine and Diamond Art Deco platinum engagement ring, a true embodiment of
Category

Early 20th Century Fashion Rings

Materials

Aquamarine, Diamond, Platinum

Hearts On Fire .33 Carat Diamond Yellow Gold Pendant Necklace
By Hearts On Fire
Located in Stamford, CT
.33 carats set in 18k yellow gold. The piece features a kite shaped rim with bezel-set diamonds and
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Mid-Century 10.20 Carat Total Weight Diamond Platinum Removable Brooch Pendant N
Located in Beverly Hills, CA
. Featuring 172 single cut diamonds on the necklace, with a total weight of approximately 5.20 carats, graded
Category

Vintage 1950s Brooches

Materials

Diamond, White Diamond, Platinum

15.52 Carat Oval Aquamarine Diamond White Gold Cocktail Ring
Located in Stamford, CT
century 1960's 15.52ct aqua, accented by 2 straight baguettes on each side of the stone. Mounted in a 14k
Category

Mid-20th Century Cocktail Rings

Materials

Aquamarine, Diamond, Gold, 14k Gold, White Gold

GIA 3.18 Carat Natural White Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
cut 3.18ct cut. sapphire mounted in a platinum setting with 2 tapered baguette diamonds. This color
Category

Early 20th Century Engagement Rings

Materials

Diamond, Sapphire, Platinum

Tiffany & Co .20 Carat Diamond Black Pearl Platinum Barbell Cufflinks
By Tiffany & Co.
Located in Stamford, CT
diamonds, G VS approx. .20cts 2 gray black pearls, 10.7mm Platinum Stamped: PT950 Hallmark: Tiffany & Co
Category

21st Century and Contemporary Cufflinks

Materials

Diamond, Pearl, Black Pearl, Platinum

1.00 Carat Emerald Diamond Lever Back Yellow Gold Earrings
Located in Stamford, CT
Vintage 1960's oval emerald and diamond earrings. 2 oval emeralds, each with a halo of round
Category

Mid-20th Century Lever-Back Earrings

Materials

Diamond, Emerald, Gold, 14k Gold, Yellow Gold

.24 Carat Diamond Two Tone Gold Swallow Men's Cufflinks
Located in Stamford, CT
cufflinks are each adorned with a 14k white gold Swallow bird that consists of 6 round cut diamonds. There
Category

Early 20th Century Cufflinks

Materials

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

.40 Carat Diamond Freshwater Pearl White Gold Dangle Earrings
Located in Stamford, CT
Pearl and diamond dangle earrings. 2 freshwater cultured white pearl drops measuring 11.5mm, each
Category

21st Century and Contemporary Dangle Earrings

Materials

Diamond, Pearl, Freshwater Pearl, Gold, 14k Gold, White Gold

2.40 Carat Oval Pink Tourmaline Diamond Halo White Gold Earrings
Located in Stamford, CT
Elegant tourmaline and diamond earrings. These stunning earrings begin with 2 oval pink tourmalines
Category

21st Century and Contemporary Stud Earrings

Materials

Diamond, Tourmaline, Gold, 14k Gold, White Gold

GIA Certified 1.88 Carat Hexagonal Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
1920's 1.88 Carat Hexagonal Sapphire and Diamond Art Deco Platinum Engagement Ring. The centerpiece
Category

Early 20th Century Engagement Rings

Materials

Diamond, Sapphire, Purple Sapphire, Platinum

1.27 Carat 14 Karat Round Diamond Stud Earrings with Halo
By Sebastian Bernard
Located in Los Angeles, CA
This beautiful pair of earrings is made in 14K Gold with a pair of Round Brilliant Diamonds with
Category

2010s American Contemporary Stud Earrings

Materials

Diamond, 14k Gold

Art Deco GIA 3.30 Carat Total Weight Diamond Platinum Dangle Earrings
Located in Beverly Hills, CA
One Pair of Art Deco GIA 3.30 Carat Total Weight Diamond Platinum Dangle Earrings. Featuring one
Category

Vintage 1920s Art Deco Dangle Earrings

Materials

Diamond, White Diamond, Brown Diamond, Gold, White Gold, Platinum

1.75 Carat Salt Pepper Diamond Halo Yellow Gold Dangle Earrings
Located in Stamford, CT
Salt and Pepper Diamond Halo Yellow Gold Dangle Earrings combine elegance and unique style. A
Category

21st Century and Contemporary Dangle Earrings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Peter Suchy 1.80 Carat Tanzanite Diamond White Gold Dangle Earrings
By Peter Suchy
Located in Stamford, CT
Tanzanite and diamond earrings. 2 beautiful purple and blue marquise shaped Tanzanite gemstones
Category

21st Century and Contemporary Dangle Earrings

Materials

Diamond, Tanzanite, Gold, 14k Gold, White Gold

Peter Suchy 7.49 Carat Aquamarine Diamond White Gold Dangle Earrings
By Peter Suchy
Located in Stamford, CT
7.49 Carat Aquamarine Diamond White Gold Dangle Earrings. The centerpiece of these earrings are two
Category

21st Century and Contemporary Dangle Earrings

Materials

Aquamarine, Diamond, Gold, 14k Gold, White Gold

0.74 Carat Natural Diamond Earrings G SI 14K White Gold
Located in New York, NY
0.74 Carat Natural Diamond Earrings G SI 14K White Gold 100% Natural, Not Enhanced in any way
Category

21st Century and Contemporary American Modernist Stud Earrings

Materials

Diamond, White Gold

11.88 Carat Sapphire Ruby Diamond Gold Snake Bangle Bracelet
Located in Stamford, CT
cut diamonds and 2 round red ruby eye. There is also a hidden catch and double figure 8 safety. This
Category

Late 20th Century Unknown Bangles

Materials

Diamond, Ruby, Sapphire, 18k Gold, Gold, White Gold

1.79 Carat 14 Karat Round Diamond Stud Earrings with Halo
By Sebastian Bernard
Located in Los Angeles, CA
Diamonds with total weight of 1.45 Ct in the center (4.3 mm) of a Pave Set Halo with 30 pieces of 1.3 mm
Category

2010s American Contemporary Stud Earrings

Materials

Diamond, 14k Gold

Peter Suchy .60 Carat Sapphire Diamond Platinum Wedding Band Ring
By Peter Suchy
Located in Stamford, CT
stone. 3 round sapphires alternating with 2 round cut diamonds. Set in a platinum band designed and
Category

21st Century and Contemporary Wedding Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Peter Suchy 11.32 Carat Emerald Cut Aqua Diamond Platinum Dangle Earrings
By Peter Suchy
Located in Stamford, CT
understand some photos may vary in appearance. If you are not satisfied and offer a 30 day full money back
Category

21st Century and Contemporary Dangle Earrings

Materials

Aquamarine, Diamond, Platinum

Roberto Coin 1.20 Carat Diamond Ruby White Gold Dangle Earrings
By Roberto Coin
Located in Stamford, CT
Step into the world of elegance and luxury with these stunning Roberto Coin 1.20 Carat Diamond and
Category

21st Century and Contemporary Dangle Earrings

Materials

Diamond, Ruby, Gold, 18k Gold, White Gold

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30 Carat 2a Diamond For Sale on 1stDibs

Surely you’ll find the exact 30 carat 2a diamond you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Every item for sale was constructed with extraordinary care, often using gold, white gold and 14k gold. Our collection of these items for sale includes 1506 vintage editions and 1064 modern creations to choose from as well. You’re likely to find the perfect 30 carat 2a diamond among the distinctive items we have available, which includes versions made as long ago as the 18th Century as well as those produced as recently as the 21st Century. There have been many well-made iterations of the classic 30 carat 2a diamond over the years, but those made by Peter Suchy, Alex Soldier and Jack Weir and Sons are often thought to be among the most beautiful. 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 old european cut and oval cut alternatives. There aren’t many items for men if you’re seeking a 30 carat 2a diamond, as most of the options available are for women and unisex.

How Much is a 30 Carat 2a Diamond?

On average, a 30 carat 2a diamond at 1stDibs sells for $3,998, while they’re typically $1 on the low end and $585,000 for the highest priced versions of this item.
Questions About 30 Carat 2a Diamond
  • 1stDibs ExpertNovember 1, 2023
    Whether two-carat diamond studs are too big is a matter of personal preference. At this size, each earring will be one carat. If you opt for the classic round brilliant cut, the studs will typically measure around 6.5 millimeters in diameter, which is a little more than half the size of a dime. Find a wide range of diamond stud earrings on 1stDibs.
  • 1stDibs ExpertAugust 24, 2021
    A 2 carat oval diamond is approximately 10.23mm × 6.82mm × 4.16mm in size. These diamonds usually have an approximate face-up area of 57.21 mm². Find a variety of diamonds on 1stDibs.
  • 1stDibs ExpertNovember 8, 2023
    How big a 2-carat diamond with a princess cut is varies from piece to piece. However, the average size is 7 millimeters by 7 millimeters. The measurement is around 9/32 inches, so a 2-carat princess-cut diamond will be just a little over a quarter-inch in size. On 1stDibs, find an assortment of princess-cut diamond jewelry.