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GIA Certified 3 Carat Round Brilliant Cut Diamond Tapered Baguette Ring
By Antinori Fine Jewels
Located in Chicago, IL
large 3.00 carat GIA certified triple excellent diamond is beautifully white, 100% eye clean, and
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, 18k Gold

1.00 Total Carat Round & Tapered Baguette Diamond 3-Stone Plat Engagement Ring
Located in Santa Monica, CA
Diamond: 0.82ct round brilliant cut natural diamond, Clarity VS1, Color H - Side Diamonds: two tapered
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Platinum

Aquamarine 8.50 Carat Bespoke 18 Karat White Gold 3 Carat Diamond Halo Ring
By Hasbani Diamonds
Located in London, GB
by round diamonds half halo on both sides with tapering baguette diamonds also surrounded by round
Category

2010s British Modern Engagement Rings

Materials

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

3 Carat Round Diamond Platinum Graduated Tennis Necklace
Located in Miami, FL
3 Carat total G-H color, VS2-SI1 clarity Round Brilliant Natural Diamond Platinum 850 Diamond
Category

21st Century and Contemporary Contemporary Choker Necklaces

Materials

Diamond, Platinum

1.15tcw PLAT Colombian Emerald-Round Cut & Diamond Tapered Baguette-Round Cut
Located in Jupiter, FL
tapered diamond baguettes and then two beautiful 3 pt diamonds that follow. The shank of the ring is
Category

2010s American Modern Engagement Rings

Materials

Diamond, Emerald, Platinum

10 Carat Diamond Tennis Riviera Necklace 10 Carats Tapering Choker Necklace
By Five Star Jewelry
Located in Austin, TX
! The diamonds weigh a total of 10.00 carats and have SI clarity with G-H color. Each diamond is set
Category

21st Century and Contemporary American Modern Choker Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

1.51 Carat Round Diamond 3-Stone Cluster Engagement Wedding White Gold Ring
Located in New York, NY
Certified Round Brilliant Diamonds in G color VS clarity (Near COLORLESS and very clear) set into 3 Flower
Category

Early 2000s North American Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Diamond Channel Stackable Band, 0.25 Carat Diamonds, 14k Yellow Gold, Taper Fit
By Five Star Jewelry
Located in Austin, TX
at the top, tapers to 2.8 mm at base of ring Diamond Number: 8 Diamond Total Weight: 0.25 carats
Category

21st Century and Contemporary American Contemporary Band Rings

Materials

Diamond, Yellow Gold, 14k Gold, Gold

5.58 Carat G/I1 Round Cut Diamond & Baguette Side 3 Stone Engagement Ring
Located in Miami, FL
EGL Certified 5.58 Carat G Color, I1 Clarity, Round Cut Natural Diamond Three Stone Engagement Ring
Category

21st Century and Contemporary Art Deco Three-Stone Rings

Materials

Diamond, Platinum

5.27 Carat Round Brilliant Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with a GI certified Round Brilliant cut Diamond weighing, 5.27 carats, I
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

Vintage 17 Carat Round and Baguette Cut Diamonds Tennis Bracelet 14k Gold
Located in Miami, FL
Vintage 3-Row 17 Carat Round and Baguette Cut Diamonds Tennis Bracelet 14k Gold. Custom made by
Category

Vintage 1970s Tennis Bracelets

Materials

Diamond, 14k Gold, Yellow Gold

0.80 Carat Diamond Platinum Five Stone Half Band Ring
By Diamond Stars Jewelry, Inc.
Located in New York, NY
Very Beautiful Half Diamond Band Ring. The ring is Platinum 950. There are 3 Round Cut Diamonds
Category

21st Century and Contemporary American Contemporary Band Rings

Materials

Diamond, White Diamond, Platinum

12.19 Carat Round Brilliant Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with a GIA certified Round Brilliant cut Diamond weighing 12.19 carats
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

3/8 Carat Round Brilliant Diamond Le Vian Ring, 14 Karat White Gold Cluster Halo
By Le Vian
Located in Greensboro, NC
fire to the display, more white diamonds sparkle on the sides of the ring as they taper into a smoothly
Category

20th Century Unknown Fashion Rings

Materials

Diamond, Brown Diamond, 14k Gold, White Gold

1.14 Carats 3 Row Marquise and Round Brilliant Diamond Ring Band 14K White Gold
Located in Los Angeles, CA
Elegant Marquise and Round Diamond Tapered Band in 14K Gold This bold yet refined diamond band
Category

1990s Artisan Band Rings

Materials

Diamond, White Gold

Kabana Mother of Pearl and Round Diamond Tapered 14 Karat Yellow Gold Band Ring
By Kabana
Located in Scottsdale, AZ
. Metal: 14 Karat Yellow Gold Gemstones: Diamonds & Mother of Pearl Diamond Count: 3 Diamond Cut: Round
Category

21st Century and Contemporary Unknown Contemporary Band Rings

Materials

Diamond, Pearl, Gold, 14k Gold, Yellow Gold

80.81 Carat GIA Certified Fancy Intense Yellow and White Diamond Necklace
By Vivid Diamonds
Located in Miami, FL
clarity, 8 Fancy Intense yellow round brilliant cut diamonds weighing approximately .6 carats total, VS
Category

21st Century and Contemporary American Modern More Necklaces

Materials

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

Vivid Diamonds GIA Certified 3.82 Carat Pinkish Purple Sapphire Cocktail Ring
By Vivid Diamonds
Located in Miami, FL
diamonds weighing approximately 3 carats total, G color, SI clarity. The shank measures 3 mm, tapering
Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Purple Sapphire, Sapphire, Diamond, White Gold, 18k Gold

Jay Feder 18k White Gold Round Diamond 3 Prong Tennis Necklace
Located in Boca Raton, FL
Jay Feder 18k White Gold Round Diamond 3 Prong Tennis Necklace Set with 128round diamonds; total
Category

2010s Link Necklaces

Materials

Diamond, 18k Gold, White Gold

Art Deco 3/4 Carat Diamond Antique Engagement Ring
Located in Santa Barbara, CA
: Platinum Diamond: Carat Weight: 0.75 Cut: Transitional Round Brilliant Color: G-H Clarity: VVS2 Accent
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Vintage Platinum 1950s 1.31 Carat Round Diamond Ring
Located in Boston, MA
are 3 round diamonds with a total approximate weight of .26ct. The side diamonds are G - I in color
Category

Mid-20th Century American Retro Engagement Rings

Materials

Diamond, Platinum

2.53 Carat Round Cut Baguette Diamond Three-Stone Platinum Engagement Ring
Located in Stamford, CT
1940s round brilliant cut light yellow center diamond. EGL certified, in a platinum three-stone
Category

Early 20th Century Engagement Rings

Materials

Diamond, Platinum

White Gold Diamond Cluster Band - 14k Round Brilliant 3/4ctw Milgrain Ring
Located in Greensboro, NC
Information Natural Diamonds Carat(s): 3/4ctw Cut: Round Brilliant Color: G - H Clarity: SI2 - I1 Total
Category

21st Century and Contemporary Cluster Rings

Materials

Diamond, 14k Gold, White Gold

Tacori Diamond Royal T GIA 4 Carats Round Brilliant Platinum Engagement Ring
By Tacori
Located in Austin, TX
This iconic platinum diamond ring is a Tacori Royal T stunner! The 4.00 carat round diamond is GIA
Category

21st Century and Contemporary American Artisan Engagement Rings

Materials

Diamond, White Diamond, Platinum

Diamond Ring Band, 14 Karat White Gold, Channel, Stack, Wedding, 3/4 Carat
By Five Star Jewelry
Located in Austin, TX
: 14k White Gold Diamond Carat Weight: .80 Carats Diamond Shape: Round Diamond Clarity: VS2 (Excellent
Category

2010s American Modern Wedding Rings

Materials

Diamond, 14k Gold, White Gold

Boucheron 13.48 Carat Round Brilliant Cut Diamond Engagement Ring
By Boucheron
Located in New York, NY
Finely crafted in platinum with a GIA certified Round Brilliant cut Diamond weighing 13.48 carats
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

0.86 Carat E, VS1 Round Diamond Engagement Ring, Three-Stone Diamond Ring GIA
Located in Honolulu, HI
Stunning Platinum 3 stone engagement ring with 0.86 carat round brilliant diamond center and two
Category

21st Century and Contemporary Hong Kong Modern Engagement Rings

Materials

Diamond, Platinum

14K Yellow Gold 2-1/3 Carat Diamond Cluster Chevron Shaped Band Engagement Ring
Located in New York, NY
features a cluster of seven round brilliant cut diamonds in a tapered multi prong setting as the center
Category

21st Century and Contemporary Indian Modern Band Rings

Materials

Diamond, White Diamond, 14k Gold, Yellow Gold

14K Yellow Gold 2-1/3 Carat Diamond Cluster Band Engagement Ring & Wedding Band
Located in New York, NY
features a cluster of seven round brilliant cut diamonds in a tapered multi prong setting as the center
Category

21st Century and Contemporary Indian Contemporary Bridal Rings

Materials

Diamond, White Diamond, 14k Gold, Yellow Gold

Bombe Champagne Diamond Pave Ring, 3/4 Carats in 14k Rose Gold, Stackable Dome
By Five Star Jewelry
Located in Austin, TX
millimeters wide at the top, tapers to 2.9 mm at base of ring Diamond Total Weight: 0.74 carats Diamond Shape
Category

21st Century and Contemporary American Contemporary Band Rings

Materials

Diamond, 14k Gold, Rose Gold

GIA Diamond 1.50 Carat Three-Stone Ring Round and Baguette Diamond Custom Ring
By Five Star Jewelry
Located in Austin, TX
certified round brilliant diamond set in the center. The center diamond is flanked by a tapered baguette on
Category

21st Century and Contemporary American Modern Three-Stone Rings

Materials

Diamond, 14k Gold, White Gold

Yellow Gold Diamond Tapered Oval Hoop Earrings 14k Rd 1.50ctw ChannelSet Pierced
Located in Greensboro, NC
Metal Content: 14k Yellow Gold Stone Information Natural Diamonds Carat(s): 1.50ctw Cut: Round
Category

21st Century and Contemporary Hoop Earrings

Materials

Diamond, 14k Gold, Yellow Gold

Diamond Round and Baguette Dangle Earrings in 18k Yellow Gold, 1.86 Carats Total
By Sarosi By Timeless Gems
Located in Los Angeles, CA
brilliant round diamonds, in combination with straight and tapered baguettes, sparkle in the delicate 18k
Category

21st Century and Contemporary North American Artisan Dangle Earrings

Materials

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

GIA Certified 3 Carat Center VVS1 -D Emerald Cut Diamond Ring 8.3 Carats Total
Located in Tustin, CA
approximately .40 carats. 20 tapered baguette diamonds measure 5 mm x 3 mm x 2 mm and weigh approximately 4
Category

2010s American Contemporary Cocktail Rings

Materials

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

"2.40 Carat Platinum Emerald & Diamond 3-Stone Engagement Ring"
Located in Jupiter, FL
A classic among engagement rings, this genuine emerald, and tapered diamond engagement ring
Category

2010s North American Contemporary Engagement Rings

Materials

Emerald

0.50 Carat Vintage 3-Stone Diamond Ring Set in 14 Karat White Gold
Located in Addison, TX
: Diamond Count: 2 Shape: Round Brilliant Cut Carat Weight: 0.22 CT Dimensions: 3.05 x 3.0 x 1.85mm Color
Category

Early 20th Century Art Deco Three-Stone Rings

Materials

Diamond, Gold, 14k Gold, White Gold

Diamond Men's Wedding Band, Custom Brushed Finish, 14K Yellow Gold, 3/4 Carat
By Five Star Jewelry
Located in Austin, TX
comfortable 3mm wide band. The four round brilliant diamonds have a total diamond weight of 0.62 carats! They
Category

21st Century and Contemporary American Artisan Wedding Rings

Materials

Diamond, 14k Gold, Yellow Gold

Antique 1900s 2.04 Carat Diamond Yellow Gold Engagement Trilogy Ring
Located in Jesmond, Newcastle Upon Tyne
SI2 Cut Old European round Content 0.98 carat Dimensions 6.02mm x 5.69mm x 4.27mm Diamond one Color G
Category

20th Century Unknown Engagement Rings

Materials

Diamond, 18k Gold, Yellow Gold

Marquise Round Diamond Ring
Located in Palm Desert, CA
slightly. The total carat weight of the diamonds is 0.97ctw. The ring size is 5 3/4.
Category

Vintage 1980s American Retro Cluster Rings

Materials

Diamond, White Gold, Gold, 14k Gold

Vintage 14K Yellow Gold 3 CTW Diamond Ring
Located in Houston, TX
with approximately 3.00 carats total weight of round brilliant-cut natural diamonds, graded H color and
Category

1990s Unknown Fashion Rings

Materials

Diamond, 14k Gold, Yellow Gold

1.51 Carat Diamond and White Gold Trilogy Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
. Diamond Quality Feature Diamond Color E Clarity VS1 Cut Round Brilliant Content 0.88 carat Dimensions
Category

Vintage 1970s English Three-Stone Rings

Materials

Diamond, Gold, 18k Gold, White Gold

1.60 Carat Oval Cut Sapphire 1.20 Carat Diamond 18k Yellow Gold Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive vintage 1.60 carat blue sapphire and 1.20 carat diamond (total), 18 karat
Category

1990s Unknown Cocktail Rings

Materials

Diamond, Sapphire, Yellow Gold

Yellow Gold Diamond Enhancer Wedding Band - 14k Round Brilliant .40ctw
Located in Greensboro, NC
Stone Information Natural Diamonds Carat(s): .40ctw Cut: Round Brilliant Color: G - H Clarity: I1 Total
Category

21st Century and Contemporary Wedding Rings

Materials

Diamond, 14k Gold, Yellow Gold

1988 2.60 Carat Topaz and 1.04 Carat Diamond White Gold Cluster Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine, and impressive 2.60 carat topaz and 1.04 carat diamond, 18k white gold cluster
Category

Vintage 1980s English Cluster Rings

Materials

Diamond, Topaz, 18k Gold, White Gold

GIA Certified 0.51 Ctw 3-Stone Diamond Engagement Ring in 14K White Gold
By Hand Made
Located in Los Angeles, CA
tapered-baguette cut diamonds 0.20 approximate total carat weight. Total Diamond Weight: 0.51 Ctw. Size
Category

2010s Three-Stone Rings

Materials

Diamond, 14k Gold, White Gold

Diamond Hoop Earrings 1.00 Carat Diamonds in 14 Karat Yellow Gold
By Five Star Jewelry
Located in Austin, TX
secure to wear. The earrings hang 3/4 inch long and taper is width from the top to bottom. The 1 carat
Category

2010s American Contemporary Hoop Earrings

Materials

Diamond, White Diamond, 14k Gold, Yellow Gold

14k White Gold 3 Row Diamond Ring
Located in Boca Raton, FL
approximately 0.26 carats. Ring Row 3: The third ring row features 14 small round diamonds that weigh
Category

21st Century and Contemporary American Modern Bridal Rings

Materials

Diamond, Gold, 14k Gold, White Gold

Rose Gold and Diamond 3 Row Band
Located in Coral Gables, FL
diamonds of SI clarity and H color totaling approximately 1.00 carat. Tapered design at back. Finger size 7
Category

21st Century and Contemporary Band Rings

Materials

Diamond, 14k Gold, Rose Gold

2.00 Carat Sapphire with 1.00 Carat Diamond Halo 18 Karat Ring, Ceylon
By Five Star Jewelry
Located in Austin, TX
1.21 carats 10 round brilliant diamond halo set in four prongs each 8 round brilliant diamonds going
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

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

1.55 Carat Diamond Yellow Gold Hoop Lever Back Earrings
Located in Stamford, CT
Clip post hoop earrings with 1.55 carats of baguette and round diamonds in 14k yellow gold 30
Category

Late 20th Century Hoop Earrings

Materials

Diamond, Gold, 14k Gold, Yellow Gold

.925 Sterling Silver 2 3/8 Cttw Diamond Multi Row Overlay Band Ring
Located in New York, NY
distinct "V"-shaped pattern. The diamonds, collectively weighing 2 3/8 carats, exude a color range of J-K
Category

21st Century and Contemporary Indian Modern Fashion Rings

Materials

White Diamond, White Gold, Sterling Silver

14k White Gold 3ctw Natural Round Diamond Bangle Bracelet
Located in Boca Raton, FL
Gold Diamond Details: There are approximately 3 carats of Natural Round Diamonds. The diamonds do not
Category

21st Century and Contemporary American Modern Bangles

Materials

Diamond, Gold, 14k Gold, White Gold

2.80 Carat Emerald and 2.75 Carat Diamond Yellow Gold Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
Cut Modern Brilliant Round/Tapering Baguette Content 2.75 carats Dimensions Length of setting 2.3cm
Category

1990s Unknown Cocktail Rings

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

Cushion Halo Ring, Diamond, 14 Karat White Gold, Round Center, Engagement
By Five Star Jewelry
Located in Austin, TX
) Accent Diamond Carat Weight: .57 Carats Total Carat Weight: 1.59 Carats Diamond Shape: Round Brilliant
Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, 14k Gold, White Gold

7.8 ct Round Brilliant Cut Diamond Riviera Tennis Line Necklace
Located in Chicago, IL
a luxurious 7.8 ct Round Brilliant Cut Diamond Riviera Tennis Line Necklace, crafted in exquisite
Category

2010s American Pendant Necklaces

Materials

Diamond, Platinum

Vintage Nugget-Style 3-Stone Diamond Band in 14K Gold
Located in Houston, TX
round brilliant diamonds, totaling approximately 0.21 carats in weight. They are graded G-H in color and
Category

Vintage 1980s Unknown Retro Band Rings

Materials

Diamond, 14k Gold, Yellow Gold, White Gold

Vintage 8 Carats Diamond Platinum Three-Stone Ring
Located in Austin, TX
This gorgeously preserved vintage platinum 3-stone diamond ring has a round brilliant diamond in
Category

Mid-20th Century Art Deco Engagement Rings

Materials

Diamond, Platinum

Jay Feder 14k Yellow Gold Round Diamond Bezel ZigZag Ring
Located in Boca Raton, FL
Jay Feder 14k Yellow Gold Diamond Bezel ZigZag Ring There are bezel and prong set round diamonds
Category

2010s Fashion Rings

Materials

Diamond, 14k Gold, Yellow 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.