300 Carat Round Diamond
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Diamond Tennis Bracelet 18k Rose Gold Diamond 1.35 Carat/300 Pcs Rub 5.09 Carat
By Natkina
Located in Montreux, CH
BRACELET 18K Rose Gold Diamond 1.35 Cts/300 Pcs RUB 5.09 Cts/75 Pcs
Category
21st Century and Contemporary Tennis Bracelets
Materials
Diamond, Rose Gold
Diamond Paperclip Link Bracelet 3.30 Carats 14 Karat Rose Gold
By Harbor Diamonds
Located in New York, NY
carats.
300 Diamonds
Color G-H
Clarity SI
Category
2010s Contemporary Link Bracelets
Materials
Diamond, 14k Gold, Rose Gold
NO RESERVE! 1.00 Carat Diamond - 14 kt. White gold - Earrings
By Diamonds Mine
Located in Ramat Gan, IL
Diamonds:
Shape: Round Brilliant
Weight: 1.00 cttw / 2 stone
Color: F
Clarity: I1
Clarity Characteristics
Category
2010s Israeli Art Deco Dangle Earrings
Materials
Diamond, 14k Gold, White Gold
14K 300 Carat Emerald Bead Multi Strand Necklace
Located in Big Bend, WI
A multi-strand emerald necklace containing 300 carats of green faceted genuine emerald beads
Category
2010s American Multi-Strand Necklaces
Materials
Diamond, Emerald, 14k Gold, White Gold
NO RESERVE! 2.73 Carat Tanzanite & 0.11 Ct Diamonds - 14k White gold Earrings
By Diamonds Mine
Located in Ramat Gan, IL
:
___________
Natural Diamonds
Cut: Round Brilliant
Carat: 0.11 cttw
Color: E to F
Clarity: VS1 to VS2
Size: 3 cm
VAT
Category
2010s Israeli Art Deco Dangle Earrings
Materials
Diamond, Tanzanite, 14k Gold, Yellow Gold
10.30 Carat Tanzanite and 1.25Ct Diamonds Halo - 18 kt. White gold - Earrings
By Diamonds Mine
Located in Ramat Gan, IL
Indications of heating
Side Stone:
___________
Natural Diamonds
Cut: Round Brilliant
Carat: 1.25 cttw
Color
Category
2010s Israeli Art Deco Dangle Earrings
Materials
Diamond, Tanzanite, White Gold, 18k Gold
No Reserve
Dm 0.59 in L 1.19 in
1.00 Carat Round Brilliant Diamond 18 Karat White Gold Engagement Ring
Located in Sherman Oaks, CA
brilliant cut diamond
Measuring 6.50-6.50 x 3.80 mm
300% GTCF
Approximate weight of 1.00ct.
Graded in the
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, 18k Gold
NO RESERVE! 1.48Ct Tanzanite & 0.25Ct Pink Diamonds 14 kt. White gold Earrings
By Diamonds Mine
Located in Ramat Gan, IL
:
___________
Natural Diamonds
Cut: Round Brilliant
Carat: 0.25 cttw
Color: Light Pink - Fancy Pink
Clarity: VS1 to SI1
Category
2010s Israeli Art Deco Dangle Earrings
Materials
Diamond, Tanzanite, Pink Diamond, 14k Gold, White Gold
NO RESERVE! 2.79 Carat Tanzanite - 14 kt. White gold - Earrings
By Diamonds Mine
Located in Ramat Gan, IL
:
___________
Natural Tanzanite
Cut: Round Brilliant
Carat: 2.79 tcw / 2 pieces
Color: Bluish Purple
Heated
Size: 7.13
Category
2010s Israeli Art Deco Dangle Earrings
Materials
Tanzanite, 14k Gold, White Gold
NWT 67, 300 Gorgeous 18KT Gold South Sea Pearl Fancy Yellow Diamond Necklace
Located in New York, NY
over 6 Carats of Fine Fancy Glittering Round White Diamonds and aprrox 4.50CTS of Fancy Yellow Diamonds
Category
21st Century and Contemporary Drop Necklaces
Materials
Diamond, Yellow Diamond, Pearl, South Sea Pearl, Gold, 18k Gold
NO RESERVE! 4.13Ct Sapphire & 0.20 Diamonds - 14K Yellow Gold Earrings
By Diamonds Mine
Located in Ramat Gan, IL
Heated
Side Stone:
___________
Natural Diamonds
Cut: Round Brilliant
Carat: 0.20 cttw
Color: Light Pink
Category
2010s Israeli Art Deco Stud Earrings
Materials
Diamond, Sapphire, Blue Sapphire, 14k Gold, Yellow Gold
NO RESERVE! 3.05Ct Tanzanite and 0.05Ct Diamonds 14 kt. White gold Earrings
By Diamonds Mine
Located in Ramat Gan, IL
Diamonds
Cut: Round Brilliant
Carat: 0.05 cttw
Color: Near Colorless To Faint Pink
Clarity: I1
Size: 1.5
Category
2010s Israeli Art Deco Dangle Earrings
Materials
Diamond, Tanzanite, 14k Gold, White Gold
NO RESERVE! 3.00Ct Tanzanite and 0.05Ct Diamonds 14 kt. Yellow gold Earrings
By Diamonds Mine
Located in Ramat Gan, IL
Diamonds
Cut: Round Brilliant
Carat: 0.05 cttw
Color: Near Colorless To Faint Pink
Clarity: SI2 - I1
Size
Category
2010s Israeli Art Deco Dangle Earrings
Materials
Diamond, Tanzanite, 14k Gold, Yellow Gold
NO RESERVE! 2.78Ct Tanzanite and 0.02Ct Diamonds - 14 kt. Pink gold - Earrings
By Diamonds Mine
Located in Ramat Gan, IL
:
___________
Natural Diamonds
Cut: Round Brilliant
Carat: 0.02 cttw
Color: E
Clarity: VS1
Size: 1.5 cm
VAT and TAXES
Category
2010s Israeli Art Deco Dangle Earrings
Materials
Diamond, Tanzanite, 14k Gold, Rose Gold
NO RESERVE! IGI 37.00Ct Emerald & 0.90Ct Diamonds - 18 kt. White gold - Earrings
By Diamonds Mine
Located in Ramat Gan, IL
enhancement present
Side Stone:
___________
Natural Diamonds
Cut: Round Brilliant
Weight: 0.90 ctttw
Color
Category
2010s Israeli Art Deco Stud Earrings
Materials
Diamond, Emerald, White Gold, 18k Gold
13 Carat Diamond Drop Dangle Earrings
Located in Beverly Hills, CA
18-karat white gold diamond ball earrings. This exquisite pair of dangle earrings has 300 round
Category
21st Century and Contemporary Unknown Contemporary Dangle Earrings
Materials
Diamond, White Diamond, Gold, 18k Gold, White Gold
Emilio Jewelry .50 Carat Each Diamond Hoop
By Emilio!
Located in New York, NY
: The front of this hoop features 10 round natural half a carat each + diamonds of excellent fire
Category
21st Century and Contemporary Hoop Earrings
Materials
Diamond, 18k Gold
.925 Sterling Silver 3.0 Carat Diamond Cluster Wave Link Tennis Bracelet
Located in New York, NY
Upon Request"
Product Features:
Diamond Type: Natural White Diamond
Diamond Count: 300 Round-Cut
Category
21st Century and Contemporary Indian Contemporary Link Bracelets
Materials
Diamond, White Diamond, Sterling Silver
H 0.12 in W 0.4 in L 7.25 in
10K White Gold 2.0 Carat Diamond Link Bracelet
Located in New York, NY
Round and baguette cut diamonds shimmer against a white gold finish on this exquisite two-carat
Category
21st Century and Contemporary Indian Contemporary Link Bracelets
Materials
Diamond, White Diamond, White Gold, 10k Gold
Emilio Jewelry .50 Carat Each Diamond Oval Hoop Earrings
By Emilio!
Located in New York, NY
Fifth Avenue,
Featuring the front diamonds .50 carat each, and the inside diamonds .40 carat each
Category
21st Century and Contemporary Hoop Earrings
Materials
Diamond, 18k Gold
NO RESERVE! 1.04 Ct Emerald - 14 kt. Yellow gold - Earrings
By Diamonds Mine
Located in Ramat Gan, IL
Center Stone:
___________
Natural Emeralds
Cut: Round
Carat: 1.04 tcw / 2 pieces
Color: Green
Size
Category
2010s Israeli Art Deco Stud Earrings
Materials
Emerald, 14k Gold, Yellow Gold
NO RESERVE! 1.68 Ct Emerald - 14 kt. Yellow gold - Earrings
By Diamonds Mine
Located in Ramat Gan, IL
Center Stone:
___________
Natural Emeralds
Cut: Round
Carat: 1.68 tcw / 2 pieces
Color: Green
Size
Category
2010s Israeli Art Deco Stud Earrings
Materials
Emerald, 14k Gold, Yellow Gold
NO RESERVE! 1.20 Ct Emerald - 14 kt. White gold - Earrings
By Diamonds Mine
Located in Ramat Gan, IL
Center Stone:
___________
Natural Emeralds
Cut: Round
Carat: 1.20 tcw / 2 pieces
Color: Green
Size
Category
2010s Israeli Art Deco Stud Earrings
Materials
Emerald, White Gold, 14k Gold
15.72 carat Diamond 18K Gold Wide Five Row Cuff Statement Bracelet
Located in Miami, FL
their collection with modern elegance and timeless sparkle.
There are 300 natural round diamonds VS2
Category
21st Century and Contemporary Cuff Bracelets
Materials
Diamond, 18k Gold
2.6 Carat Brilliant Diamond Elephant Ring in 18K Gold
Located in New York, NY
.
Setting Style: The 300 brilliant round diamonds are set using a meticulous and secure setting style
Category
21st Century and Contemporary Hong Kong Modern Fashion Rings
Materials
Diamond, 18k Gold
Giorgio Visconti 2.35 Carat Diamond Heart Shaped 18 Karat White Gold Earrings
Located in Bay Harbor Islands, FL
approximately 300 prong set round brilliant cut diamonds G color VS clarity.
Metal Type: 18 Karat White Gold
Category
21st Century and Contemporary Italian Modern Clip-on Earrings
Materials
Diamond, 18k Gold
18k White Gold Twist Knot Stud Earrings with 3.85 Carat of Natural Diamonds
Located in רמת גן, IL
White Gold
Main stone: 80 Pcs Diamond
Colour: F
Clarity: VS
carat weight: 1.60 carat
Sidestone: 300
Category
2010s Singaporean Stud Earrings
Materials
Diamond, 18k Gold, White Gold
Faberge 18KT White Gold Diamond 0.66 Carat & Blue Enamel Ring, with Certificate
By Modern Fabergé
Located in New York, NY
diamond. A raised square of Prussian Blue enamel surrounds the center diamond. Round brilliant white
Category
Early 2000s German Art Nouveau Fashion Rings
Materials
Diamond, Enamel, White Gold, 18k Gold
12 Carat Yellow and White Diamond Station Drop Necklace 18K Gold
Located in New York, NY
47 Marquee shaped white diamond G color, SI clarity with 300 round brilliant white diamonds. Finished
Category
Mid-20th Century Contemporary Pendant Necklaces
Materials
White Diamond, Yellow Diamond, 18k Gold
Gubelin Certified 31.16 Carat Colombian Emerald and Diamond Ring in 18K Gold
Located in Central, HK
diamonds (all F color, VS+ clarity). Nearly 300 diamonds are showcased in this Vihari Jewels ring in 18K
Category
21st Century and Contemporary Hong Kong Contemporary Cocktail Rings
Materials
Emerald, White Diamond, Diamond, 18k Gold, White Gold
William Ruser Gold and Diamond Bracelet
By William Ruser
Located in New York, NY
Round-cut diamonds (approximate total weight 16.00 carats); 18K Gold; Platinum
Signed: "Ruser"
Category
Vintage 1960s American Link Bracelets
Materials
White Diamond, Diamond, 18k Gold, Platinum, Gold, Yellow Gold
Cartier "Creole" Diamond and Sapphire Earrings & Ring
By Cartier
Located in New York, NY
approximately 300 round brilliant cut diamonds with total weight of approximately 11.00ct, and 25 cabochon cut
Category
21st Century and Contemporary French Artist Clip-on Earrings
Materials
Diamond, Blue Sapphire, 18k Gold
Twisted Design Earrings Sterling Silver and Diamonds
Located in Brooklyn, NY
Texture
Diamonds approx 0.27 carat H-SI
Weight 6.0 grams
Size approx 1' Inch ( 28mm)300
Omega Backs
(oro
Category
2010s Drop Earrings
Materials
Diamond, Silver, Sterling Silver
Modern Faberge Diamond Prussian Blue Enamel Earrings
By Fabergé
Located in New York, NY
brilliant diamond. A raised square of Prussian Blue enamel surround the center diamond. Round brilliant
Category
Early 2000s German Modern Lever-Back Earrings
Materials
Diamond, 18k Gold
Cede Platinum and Rubber Diamond Bracelet
Located in Kirkwood, MO
carat, full cut round brilliant diamond, bezel set in the center. The diamond is of SI clarity and G
Category
Early 2000s German Modern Modern Bracelets
Materials
Diamond, Platinum
Estate Platinum 27.00cttw Diamond Rose Flower Brooch
Located in New York, NY
Elevate your jewelry collection with our exquisite Platinum 27 Carat Diamond Rose Flower Brooch
Category
20th Century Unknown Contemporary Brooches
Materials
Diamond, Platinum
OROMALIA Rose Gold Brown Diamond Chain Link Necklace
By oromalia
Located in New York, NY
link pave set with approximately 300 round brilliant cut light brown diamonds. Total diamond weight
Category
2010s Italian Contemporary Chain Necklaces
Materials
Brown Diamond, Rose Gold
Cartier Paris Diamond "Panthère" Ring
By Cartier
Located in New York, NY
, pavé set throughout with approximately 6.50 carats of round brilliant-cut diamonds. This classic ring
Category
21st Century and Contemporary French Cocktail Rings
Materials
Diamond, Emerald, Onyx, Gold, 18k Gold, White Gold
Cede 18K Yellow Gold Rubber & Diamond Bracelet
Located in Kirkwood, MO
17.0 mm by 15.0 mm. There are 30 full cut round brilliant diamonds, pave set, for a total diamond
Category
Early 2000s German Modern Modern Bracelets
Materials
Diamond, 18k Gold, Yellow Gold
Pierre Sterlé Diamond and South Sea Pearl Brooch
By Pierre Sterlé
Located in New York, NY
This spectacular brooch, set with round brilliant-cut diamonds and South Sea pearls, demonstrates
Category
Vintage 1950s French Brooches
Materials
Diamond, White Diamond, South Sea Pearl, Platinum
Ancient Zeus Seated, Holding Eagle and Scepter, Coin Pendant, 24k Gold Diamonds
Located in Bozeman, MT
Museum. (325-300 B.C.)
DETAILS:
Diamonds - 0.02cts
24kt Gold 995 - 1.35 grams
Sterling Silver 925
Category
2010s Turkish Classical Greek Pendant Necklaces
Materials
Diamond, Gold, 24k Gold, Yellow Gold, Silver, Sterling Silver
Ruby and Diamond Invisibly Set Bracelet Crafted Gold.
Located in New York, NY
. There is total of 300 square cut rubies with weight of approximately 30.00 carats and 150 round
Category
Late 20th Century American Artist More Bracelets
Materials
Diamond, Ruby, Gold
Green Emerald and Diamond Drop Earrings in 18 K White Gold
Located in Ramat Gan, IL
pieces Total Weight 8.75 Carat), arranged around natural diamonds (300 pieces Total Weight 2.96 Carat) in
Category
21st Century and Contemporary Israeli Drop Earrings
Materials
Diamond, Emerald, 18k Gold, White Gold
Pearl and Diamond Bangle Cuff Bracelet 18 Karat White Gold
Located in Beverly Hills, CA
allowing you to place it on your wrist with ease and remove it worry free. The cuff has 300 white round
Category
21st Century and Contemporary Unknown Contemporary Bangles
Materials
Diamond, White Diamond, Natural Pearl, Pearl, 18k Gold, White Gold
Cellini Jewelers 18KT White Gold, 3.91CT. Diamond & South Sea Pearl Drop Earring
By Cellini
Located in New York, NY
12mm South Sea Pearls. Approximately 300 round diamonds make up the beautiful bombe design.
Earrings
Category
1990s American Modern Clip-on Earrings
Materials
Diamond, South Sea Pearl, White Gold
Alex Jona White Jadeite Jade White Diamond 18 Karat White Gold Dangle Earrings
By Alex Jona
Located in Torino, IT
earrings suspending two white carved Burmese Jade weighing 35.94 carats, surrounded by 300 white diamonds
Category
21st Century and Contemporary Italian Dangle Earrings
Materials
Jade, Diamond, White Diamond, 18k Gold, White Gold
Free Shipping
H 2.36 in W 0.7 in
Modern Faberge Gold Diamond Cabochon Sapphire and Enamel Earrings
By Fabergé
Located in New York, NY
round brilliant diamonds. Royal blue guilloche enamel enhance the curve of these hoop/ huggy shaped
Category
Early 2000s German Contemporary Hoop Earrings
Materials
Diamond, Blue Sapphire, 18k Gold
Dimos 22k Gold Museum Copy Pyramids Ring with Diamonds
Located in Athens, GR
with 0.04 carats natural brilliant cut diamonds showing off our high level of craftsmanship with
Category
Antique 15th Century and Earlier Greek Greek Revival Cocktail Rings
Materials
Diamond, 22k Gold
Edwardian Silver Over Gold Diamond Necklace in Original Box
Located in Chicago, IL
about 2.75 carats total, and 300 rose cut diamonds, prong and bezel set, H-I color, VS-SI clarity
Category
Early 20th Century French Edwardian Choker Necklaces
Materials
Diamond, Sterling Silver, Yellow Gold
GIA Burmese Ruby Pink Sapphire and Diamond Pave Yellow Gold Butterfly Pin
By Sarosi By Timeless Gems
Located in Los Angeles, CA
, 25.20 carats total
3 pink sapphires, .07 carats total
313 round brilliant cut diamonds, 3.83 carats
Category
2010s American Artisan Brooches
Materials
Pink Sapphire, Sapphire, Ruby, White Diamond, Diamond, Yellow Gold, Gold...
GIA Certified Ceylon Blue Sapphire 7.2 Cts 'Untreated, Unheated' Diamond Ring
Located in OVIEDO, AS
, diamonds. Diamonds numerous near colorless round brilliants approx. 1.75 carats and mounted in 18K yellow
Category
Vintage 1950s Spanish Neoclassical Cluster Rings
Materials
Diamond, Blue Sapphire, 18k Gold
Rudolf Erdel Platinum and Diamond "Rapunzel" Bracelet
Located in Kirkwood, MO
Rudolf Erdel Platinum and Diamond "Rapunzel" Bracelet. There are 20 - 0.05 ct, full cut round
Category
Early 2000s German Modern Modern Bracelets
Steven Kretchmer Large "Jazz Bracelet" 18K & 24K Gold, Platinum and Diamond
Located in Kirkwood, MO
total diamond weight of 1.728 carats. There are 25 melee diamonds, burnish set in the links. They have
Category
2010s American Modern Modern Bracelets
Materials
Diamond, 18k Gold, 24k Gold, Platinum
300 Carat Aquamarine and Pink Topaz 3 Strand Necklace
Located in New York, NY
A stunning, 300 carat, Aquamarine and Pink Topaz three strand necklace, that is comprised of 5.50
Category
21st Century and Contemporary Unknown Contemporary Multi-Strand Necklaces
Materials
Aquamarine, Diamond, Topaz, 18k Gold
300 Yrs Old Antique Long Pendent Earrings with Rose Cut Diamonds High Carat Gold
Located in Antwerp, BE
diamonds to its best quality.
Diamonds: 48 rose cut diamonds and senailles . A senaille is a simplified
Category
Antique Early 18th Century Portuguese Rococo Dangle Earrings
Materials
Diamond, White Diamond, Gold, 22k Gold, Yellow Gold
Natural 0.20ct Round Victorian Era Old Miner Loose Diamond
Located in Miami, FL
Carat weight: 0.20 carat. Shape: Round. Cut: Old miner. Clarity: SI1. Color: G-H. 100% natural
Category
20th Century Unknown Late Victorian Loose Gemstones
Materials
Diamond
3 Carat Citrine Diamond Ring 14 Karat Yellow Gold
Located in Barnsley, GB
3 Carat Citrine Ring 14 Karat Yellow Gold with 28 White Diamonds in this very detailed design as
Category
21st Century and Contemporary Contemporary Fashion Rings
Materials
Citrine, Diamond, White Diamond, 14k Gold, Yellow Gold
6.19 Carat Marquise Ruby Diamond 18 Karat Gold Bracelet
Located in New York, NY
), 15 marquise cut Diamonds (1.33 carats), and 300 round brilliant-cut Diamonds (1.52 carats).
Category
2010s Thai Modern Link Bracelets
Materials
Diamond, Ruby, 18k Gold
1.30 Carat Diamond 1.00 Pearl 18 Karat White Gold Saressa Necklace
By Gilan
Located in Istanbul, TR
300-year peace, it was believed to be protected by the eagle, known as ‘the eye of the gods’. The
Category
21st Century and Contemporary Turkish Modern Pendant Necklaces
Materials
White Diamond, Pearl, 18k Gold, White Gold
9 Carats Diamonds Gold In and Out Hoop Earrings
Located in Naples, FL
These beautiful inside / outside hoop earrings hold approximately 300 round brilliant cut diamonds
Category
2010s Hoop Earrings
Materials
Diamond, 14k Gold, White Gold
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300 Carat Round Diamond For Sale on 1stDibs
On 1stDibs, you can find the most appropriate 300 carat round 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. You can easily find a 27 antique edition and 65 modern creations to choose from as well. If you’re looking for a 300 carat round diamond from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 18th Century while another version may have been produced as recently as the 21st Century. Creating a 300 carat round diamond has been a part of the legacy of many jewelers, but those produced by Diamonds Mine, Fabergé and Garrard & Co. Ltd. are consistently popular. 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 300 carat round 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 300 Carat Round Diamond?
On average, a 300 carat round diamond at 1stDibs sells for $9,700, while they’re typically $200 on the low end and $374,000 for the highest priced versions of this item.
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