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Gents Dior Homme Diamond Ring 18 Karat White Gold
By Christian Dior
Located in London, GB
features a concave oval with pavé set round brilliant cut diamonds of 0.31 carats approximately, assessed
Category

2010s European Modern Engagement Rings

Materials

Diamond, Gold, 18k Gold, White Gold

Luxurious 18k Yellow Gold Cluster Ring with 1.0 ct Natural Diamonds IGI Cert
Located in רמת גן, IL
A beautiful Ring with a dazzling 0.6 carat round Brilliant natural diamond. It has 0.4 carat of
Category

2010s Israeli Cluster Rings

Materials

Diamond, 18k Gold, Yellow Gold

14 Karat White Gold, Sapphire and Diamond Criss Cross Band Ring
Located in McLeansville, NC
: - sapphires, 3 stones - round cut - 2.5 mm - approximately .24 total carats - diamonds, 22 stones - single
Category

2010s Art Deco Band Rings

Materials

Diamond, Sapphire, Gold, 14k Gold, White Gold

Burle Marx Diamond Necklace
By Haroldo Burle-Marx
Located in Bethesda, MD
2 carats. The necklace tapers from 3/4 of an inch in the front to 1/4of an inch in the back. 15
Category

Vintage 1980s Brazilian Choker Necklaces

Materials

Diamond, 18k Gold

18k White Gold LeVian Tanzanite and Diamond Ring
Located in Towson, MD
accented by 0.08tcw of H-I/ SI2-I1 round diamonds for some extra sparkle. The clean lines of the setting
Category

Early 2000s Fashion Rings

Materials

Diamond, Tanzanite, 18k Gold, White Gold

Antique Diamond and 18k White Gold Solitaire Ring, Circa 1925
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive antique 0.67 carat diamond (total) and 18 karat white gold solitaire style
Category

Vintage 1920s Unknown Solitaire Rings

Materials

Diamond, 18k Gold, White Gold

Vintage Green Tourmaline Diamond 18k Yellow Gold Ring French Signed BJ
Located in Beverly Hills, CA
accented with two on each side bezel set round brilliant cut diamonds (G-H color, VS clarity, 0.24 carat
Category

Vintage 1980s French Cocktail Rings

Materials

Diamond, Tourmaline, 18k Gold, Yellow Gold

Sapphire and Diamond Ring
By Mehnaz Durrani
Located in Richmond, BC
diamonds. Beautiful high polish design set in 14 karat yellow gold. Sapphire: 3 carats, oval faceted
Category

21st Century and Contemporary Canadian Contemporary Cocktail Rings

Materials

Diamond, Sapphire, 14k Gold

Mother of Pearl and Diamond Kabana Earrings, 14 Karat Rose Gold Pierced
By Kabana
Located in Greensboro, NC
: Round Total Carats: 0.07ctw Fastening Type: Snap Closures Measurements: 3/4" (18.8mm) tall, 13/32
Category

21st Century and Contemporary Unknown Hoop Earrings

Materials

Diamond, 14k Gold, Rose Gold

14ct White Gold, Tourmaline and Diamond Clover Cocktail Ring
Located in London, GB
divine. At their centre sits a fine quality round brilliant cut diamond, with an estimated weight of 0.10
Category

21st Century and Contemporary Asian Modern Cocktail Rings

Materials

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

Small Diamond Cross Charm, 14K White Gold, Simple Diamond
Located in McLeansville, NC
pointed cross motif with pavé set single cut round diamonds weighing approximately .12 total carats
Category

Vintage 1970s Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

Stunning 0.62ct Rubies and Diamonds Halo Ring in 14k Rose Gold - IGI Certified
Located in רמת גן, IL
rose gold halo ring features a captivating 0.25-carat round diamond at its center. Enhancing the allure
Category

2010s Israeli Cluster Rings

Materials

Diamond, Ruby, 14k Gold, Rose Gold

24 Karat Gold Octopus Ring Diamond Tentacles 2-Tone Art Nouveau Style Sea Life
Located in Santa Barbara, CA
Diamonds: 15 Round Brilliant 0.38 Carats Total Weight Ring Size: 7, sizeable Rise Above Finger: 3/4
Category

2010s Modern Cocktail Rings

Materials

Diamond, Yellow Diamond, 24k Gold, Silver, Gold

Art Deco Tsavorite Garnet Diamond Hand Engraved Wedding Band
Located in Santa Barbara, CA
San Leandro Art Deco wedding band. With an alluring 3 row design of diamonds embracing a line of
Category

Vintage 1930s Art Deco Wedding Rings

Materials

Diamond, Garnet, Tsavorite, Yellow Gold, Palladium

Diamond Butterfly Ring Vintage 14 Karat Yellow Gold Wide Band Florentine Finish
Located in Torrance, CA
. Diamonds total an estimated 0.12 carats (estimated at H-I color and VS2-SI2 clarity). The butterfly is
Category

Mid-20th Century Unknown Modern Band Rings

Materials

Diamond, White Diamond, 14k Gold, Yellow Gold

Mid-Century 10.59 CTW Aquamarine Diamond 14 Karat White Gold Vintage Ring
Located in Philadelphia, PA
Round brilliant cut and weighing approximately 0.84 carat total G/H color with VS2 clarity - flanked by
Category

Vintage 1950s Cocktail Rings

Materials

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

Retro French Diamond Platinum Bracelet
Located in Miami, FL
, with tapering baguettes channel-set along the middle row, bordered on both sides by prong-set round
Category

Vintage 1950s Unknown Retro Retro Bracelets

Materials

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

Vintage 14 Karat White Gold, Blue Zircon, Diamond Engagement Statement Ring
Located in McLeansville, NC
1.20 carats - diamonds, 6 stones - full cut round - 1.75 - 3 mm - approximately .15 total carats - H-I
Category

Vintage 1950s Retro Engagement Rings

Materials

Diamond, Zircon, Blue Zircon, Gold, 14k Gold, White Gold

0.80 ctw Green Stone Diamond Halo Wide Band 14K Yellow Gold Size 10 Ring
Located in McLeansville, NC
Gemstone Information: - Natural Diamonds- Total Carats - 0.80 ctw Cut - Round Color - F-H Clarity
Category

21st Century and Contemporary Fashion Rings

Materials

Diamond, 14k Gold, Yellow Gold

5 Stone Diamond Wedding Band, Platinum, Ring Size 5.75, Stackable Diamond Band
Located in McLeansville, NC
set, round brilliant cut diamonds weighing approximately .75 total carats and with a tapered band with
Category

1990s Wedding Rings

Materials

Diamond, Platinum

Vintage LaFemme Ladies Diamond Watch, Platinum and 14k Gold Quartz 2yr. Wnty
By LaFemme
Located in Greensboro, NC
Stone Information: Natural Diamonds - Clarity: VS2 - SI1 Color: G - H Cuts: Round Brilliant
Category

Vintage 1940s Unknown Wrist Watches

Materials

Diamond, 14k Gold, White Gold, Platinum

0.56 Ct VVS1 Emerald Cut Diamond, Intense Yellow Diamond Platinum Cocktail Ring
Located in Chicago, IL
0.56 Carat VVS1 Emerald cut diamond takes center stage in this streamlined platinum ring. Two dazzling
Category

2010s American Contemporary Cocktail Rings

Materials

White Diamond, Platinum

Victorian 0.68 CTW Sapphire Diamond 18 Karat Yellow Gold Antique Bypass Ring
Located in Philadelphia, PA
single cut diamonds Weighing approximately 0.12 carat total - eye clean and bright Bead set in twisting
Category

Antique 1890s Victorian Engagement Rings

Materials

Diamond, Sapphire, Gold, 18k Gold, Yellow Gold

Kabana Mother of Pearl and Diamond J-Hoop Earrings Rose Gold, 14 Karat Pierced
By Kabana
Located in Greensboro, NC
Color: G - H Cut: Round Total Carats: 0.07ctw Fastening Type: Snap Closures Measurements: 3/4" (18.8mm
Category

21st Century and Contemporary Unknown Hoop Earrings

Materials

Diamond, 14k Gold, Rose Gold

Important Boucheron Vintage Diamond Swag Necklace
By Boucheron
Located in San Francisco, CA
major round brilliant-cut diamonds, with 5 GIA stones: D/IF 2.01 carats, D/VVS2 1.70 carats, E/VS1 1.27
Category

Vintage 1950s French Drop Necklaces

Materials

Diamond, Platinum

Elegant Diamond Platinum Cluster Design Necklace
Located in San Francisco, CA
round brilliant-cut diamonds, weighing in total an estimated 106.00 carats. The necklace measures 17 3/4
Category

Late 20th Century Choker Necklaces

Materials

Diamond, Platinum

J.E. CALDWELL Vintage 14k Aqua and Diamond Ring 10ct
By J.E. Caldwell Co.
Located in Narberth, PA
both sides by 3 modern round brilliant cut diamonds. The diamonds are held within four-prong settings
Category

Vintage 1960s Retro Engagement Rings

Materials

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

Ruby Diamond Yellow Gold Ring
By Mehnaz Durrani
Located in Richmond, BC
carats, oval, baguette semi-transparent, darkish red Diamond: 1.15 carats, round brilliant cut Color: G-H
Category

21st Century and Contemporary Canadian Contemporary Cocktail Rings

Materials

Diamond, Ruby, 14k Gold

Elegant Art Deco Style Diamond and Ruby Calibre Cut 18 Karat White Gold Ring
Located in Tustin, CA
diamonds is fitted between two rows of 3 round diamonds in shared prong settings. 6 pave set diamonds
Category

21st Century and Contemporary American Art Deco Cocktail Rings

Materials

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

Chic Diamond Gold Cocktail Ring
Located in New York, NY
design with pave and prong set round brilliant cut diamonds on a tapering gold shank. The ring contains
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, 18k Gold, Yellow Gold

Sapphire Diamond Wedding Ring Wrap, 14K Yellow Gold, Diamond Sapphire Cluster
Located in McLeansville, NC
engagement ring. Crafted in 14K yellow gold, it features a stunning cluster arrangement of round diamonds and
Category

1990s Wedding Rings

Materials

Diamond, Sapphire, 14k Gold, Yellow Gold

Art Deco Platinum Engagement Ring with a .72 Center Stone and Accent Diamonds
Located in Addison, TX
: 8.12mm at head tapering to 1.24 mm at shank Finger to Top of Ring: 4.25 mm Center Diamond Details Shape
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

Blue Topaz Diamond Platinum Versatile Pendant Earrings
Located in Miami, FL
diamonds approx. 2.20 carats in total, 10 marquise 1.85 carats, 8 graduated round-faceted approx. 2.00
Category

Vintage 1960s Drop Earrings

Materials

Diamond, Topaz, White Diamond, Platinum

14 Karat Gold Handmade Diamond Lattice Ring with Blue Color Stone Backing
Located in Addison, TX
at bottom of shank Finger to Top of Stone Measurement: 5.74 mm Diamond Details: Shape: Round
Category

Late 20th Century Modern Fashion Rings

Materials

Diamond, 14k Gold, White Gold

Sapphire Diamond Ring 14K White Gold
Located in Montgomery, AL
; Approximately 0.7 Carats Combined 8 - 2.0mm Round Cut Diamonds; Estimated Combined Weight: 0.24 Carat Item
Category

Mid-20th Century Art Deco Band Rings

Materials

Diamond, Sapphire, Gold, 14k Gold, White Gold

Art Deco Single Cut Diamond 18 Karat White Gold Filigree Solitaire Vintage
Located in Addison, TX
mm at shank Finger to Top of Ring: 4.69 mm Center Diamond Details Shape: Antique Single Cut Carat
Category

Early 20th Century Art Deco Engagement Rings

Materials

Diamond, 18k Gold

Art Deco Diamond Gold Cluster Ring
Located in Houston, TX
in tapered box settings. Circa 1930. Ring contains one transitional round brilliant-cut diamond
Category

Vintage 1930s Unknown Art Deco Engagement Rings

Materials

Diamond, 14k Gold

White and Natural Yellow Diamond Half Eternity Ring Set in 18 Karat Yellow Gold
Located in London, England
. The ring is composed of three natural yellow round brilliant cut diamonds and two white coloured round
Category

2010s British Modern Engagement Rings

Materials

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

A Gorgeous Diamond Gold Bracelet
Located in New York, NY
prong set with a total of approximately 637 round brilliant cut diamonds weighing approximately 19.85
Category

21st Century and Contemporary American Contemporary More Bracelets

Materials

Diamond, 18k Gold, Yellow Gold

Antique Diamond Platinum Filigree Engagement Ring
Located in Miami, FL
delicate vintage engagement ring exposes a stunning round European-cut diamond at the center,weighing
Category

Vintage 1920s Unknown Engagement Rings

Materials

Diamond

14W PC RBC Diamond Band
Located in McLeansville, NC
, princess cut diamonds weighing approximately .90 total carats with a row of full cut round diamonds on
Category

1990s Band Rings

Materials

Diamond, Gold, 14k Gold, White Gold

1.26ct Ruby and 2.35ct Diamond Rose Gold Cluster Ring, circa 1940
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive 1.26 carat ruby and 2.35 carat diamond, 18 karat rose gold dress
Category

Vintage 1940s Unknown Cluster Rings

Materials

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

Tiffany Co. Sapphire and Diamond Cluster Engagement Ring, Circa 1960
By Tiffany Co.
Located in London, GB
. The piece is centrally set with an exceptional 2.75 carat royal blue round cut sapphire, surrounded by
Category

Vintage 1950s Unknown Retro Engagement Rings

Materials

Diamond, Sapphire, Gold, 18k Gold, Yellow Gold, White Gold

Diamond Sapphire Gold Cluster Ring
Located in Los Angeles, CA
double stepped border of tapered baguette and round brilliant-cut diamonds totaling approximately 2.00
Category

Vintage 1970s Contemporary Cluster Rings

Materials

White Diamond, Blue Sapphire, 18k Gold

Art Deco GIA Certified Old Euro Cut Diamond Platinum Vintage Solitaire Ring
Located in Addison, TX
diamond certificate on the center stone. This ring can be sized up or down 3 sizes for no additional fee
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

Tiffany Co. Platinum Diamond Shoulder Duster Earrings
By Tiffany Co.
Located in Palm Beach, FL
with one round brilliant-cut diamond to the long central tapered link section bead-set with round
Category

2010s Modern Chandelier Earrings

Materials

Diamond, Platinum

Tiffany Co. Vintage 18K Yellow Gold Emerald and Diamond 5 Stone Band Ring 4mm
By Tiffany Co.
Located in New York, NY
round emeralds and two exceptionally bright round brilliant diamonds. The stones are bar-set across a
Category

21st Century and Contemporary Contemporary Band Rings

Materials

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

Art Nouveau Ruby Ornate Long Openwork Diamond 14 Karat Two-Tone Gold Ring
Located in Addison, TX
Measurements: 3.3mm Diamond Details: Cut: Antique Single Cuts Quantity: 14 Total Carat Weight: aprox 0.12
Category

Early 20th Century Art Nouveau Cocktail Rings

Materials

Diamond, Ruby, 14k Gold

0.90ctw Diamond Navette Ring, 14K Yellow Gold, Ring Size 6.75, Diamond Cluster
Located in McLeansville, NC
: - diamonds - oval, 1 - 6 x 4.1 mm - approximately .45 total carats - G-H color, I1 clarity -round
Category

21st Century and Contemporary Cluster Rings

Materials

Diamond, 14k Gold, Yellow Gold

Sapphire and Diamond Bangle Bracelet
Located in Miami, FL
Striking bangle crafted in 18 karat yellow gold showcasing 56 round brilliant cut diamonds weighing
Category

Vintage 1980s Unknown Modern Bangles

Materials

Diamond, Blue Sapphire, 18k Gold, Yellow Gold

Vintage Art Deco Platinum Rose Cut Diamond Engagement Ring with Diamond Accents
Located in Addison, TX
: Round Carat Weight: Aprox 0.148cttw Color: H-I Clarity: VS *More Pictures Available on Request
Category

Vintage 1930s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

A Fabulous Pair of Platinum and Diamond Earrings.
Located in New York, NY
drops are each designed as 3 graduated rows of 31 round brilliant cut diamonds in a flexible tapered
Category

Vintage 1960s American Dangle Earrings

Materials

Diamond, Platinum

Pink Tourmaline and Diamond / Dress Ring in 18 Karat White and Yellow Gold
Located in London, England
diamonds. The head of the ring then leads round to a solid white gold 3 millimetre band. Due to the design
Category

2010s British Modern Engagement Rings

Materials

Diamond, Tourmaline, Gold, 18k Gold, White Gold, Yellow Gold

Belle Époque Diamond Coral Bead Platinum Antique Grape Drop Earrings
Located in Philadelphia, PA
Designed as clusters of grapes topped with platinum bows bead set with rose cut diamonds Weighing
Category

Vintage 1910s Belle Époque Drop Earrings

Materials

Coral, Platinum

Art Deco Style Diamond and Blue Sapphire Calibre Cut 18 Karat White Gold Ring
Located in Tustin, CA
baguette diamonds is fitted between two rows of 3 round diamonds in shared prong settings. 6 pave set
Category

21st Century and Contemporary American Art Deco Cocktail Rings

Materials

White Diamond, Blue Sapphire, 18k Gold, White Gold

Art Deco Style Diamond and Blue Sapphire Calibre Cut 18 Karat White Gold Ring
Located in Tustin, CA
is fitted between two rows of 3 round diamonds in shared prong settings. 6 pave set diamonds decorate
Category

21st Century and Contemporary American Art Deco Cocktail Rings

Materials

White Diamond, Blue Sapphire, 18k Gold, White Gold

Art Deco 14k White Gold Sapphire and Diamond Vintage Solitaire Engagement Ring
Located in Addison, TX
Accent Diamonds: Total: 10 Shape: Round Carat: 0.11 Ct Color: Cape Clarity: VS2-SI1 *More Pictures
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Sapphire, 14k Gold, White Gold

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3 Carat Round Diamond Tapered For Sale on 1stDibs

Find the exact 3 carat round diamond tapered you’re shopping for in the variety available on 1stDibs. Every item for sale was constructed with extraordinary care, often using Gold, Platinum and 14k Gold. Find an antique version now, or shop for 10 vintage or 21 modern creation for a more contemporary example of these cherished accessories. Making the right choice when shopping for a 3 carat round diamond tapered may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 18th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. Creating a 3 carat round diamond tapered has been a part of the legacy of many jewelers, but those produced by Antinori Fine Jewels, LB Exclusive and Anna Sheffield are consistently popular. 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 baguette cut and cushion cut alternatives. Most of our 3 carat round diamond tapered for sale are for women, but there are 7 pieces available to browse for men.

How Much is a 3 Carat Round Diamond Tapered?

The price for a 3 carat round diamond tapered starts at $840 and tops out at $295,000 with these rings, on average, selling for $5,850.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.