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Vintage 1.30 Carat Transitional Round Diamond and Sapphire Art Deco Ring
Located in Chicago, IL
Vintage 18K White Gold Transitional Round Brilliant Cut Diamond and Sapphire Engagement Ring
Category

Vintage 1940s Italian Art Deco Cocktail Rings

Materials

Blue Sapphire, Sapphire, White Diamond, Diamond, Platinum

.90 Carat Transitional Cut Diamond Platinum Engagement Ring
Located in Stamford, CT
transitional round brilliant cut Diamond, approx. total weight .90cts, F – G, SI1, 6 sing cute diamnonds
Category

Vintage 1940s Engagement Rings

Materials

Diamond, Platinum

Estate Diamond Platinum Engagement Ring
Located in San Francisco, CA
A lovely estate platinum ring, centering a transitional round brilliant-cut diamond weighing an
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

Diamond, Platinum

Platinum Diamond Eternity Wedding Band Transitional Rnd 1.54ctw Etched Ring Sz 6
Located in Greensboro, NC
: Transitional Round Brilliant Color: F - G Clarity: SI1 - SI2 Total Carats: 1.54ctw Style: Eternity Wedding
Category

21st Century and Contemporary Wedding Rings

Materials

Diamond, Platinum

Vintage Transitional RBC Diamond and Sapphire Gold Cocktail Ring
Located in Montreal, QC
Simply Beautiful! Timeless and finely detailed Transitional Round Brilliant Cut Diamond and
Category

Late 20th Century Modernist Cocktail Rings

Materials

Sapphire, Diamond, Yellow Gold, 14k Gold, Gold

French Art Deco 1.10 carat diamond platinum engagement ring
Located in Beverly Hills, CA
This refined Art Deco ring features a lively 1.10 carat transitional round brilliant cut diamond
Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, Platinum

3.45 Carats Total Round Brilliant and Baguette Diamond Swirl Brooch in Platinum
Located in Scottsdale, AZ
Natural Diamonds: 3.45 ctw Diamond cuts: Transitional Round Brilliant and Baguette Diamond color range: H
Category

20th Century Unknown Contemporary Brooches

Materials

Diamond, Platinum

14 Karat White Gold Floral Diamond Ring
Located in Hicksville, NY
] Weight: 4.0grams Diamond Details: .50ct, total weight, G Color VS Clarity, Transitional Round Brilliant
Category

Vintage 1950s Unknown Contemporary Fashion Rings

Materials

White Gold

Platinum Diamond Retro Engagement Ring Transitional.65ctw Vintage Knife-Edge Sz7
Located in Greensboro, NC
Diamond Carat(s): .55ct Cut: Transitional Round Brilliant Color: H Clarity: VS2 Natural Diamonds Carat(s
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

Estate 14K Yellow Gold Starbust Diamond Pendant and Brooch with Chain - VHK#978
Located in Hicksville, NY
Color, SI Clarity (Average), Old European Brilliant and Transitional Round Brilliant Chain Length: 18.5
Category

Antique Early 19th Century Pendant Necklaces

Materials

Diamond, Gold, 14k Gold, Yellow Gold

.80 Carat Diamond Platinum Engagement Ring
Located in Hicksville, NY
: Shape: Transitional Round Brilliant Carat Weight: .80 carat Color: F Clarity: VS Side Stone Details
Category

Vintage 1940s Unknown Art Deco Engagement Rings

Materials

White Diamond, Platinum

.50 Carat Art Deco Diamond Platinum Engagement Ring
Located in Hicksville, NY
Details: Weight: .50carat Cut: Old Transitional Round Brilliant Color: F Clarity: VS Side Stone Details
Category

Vintage 1940s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

Vintage Platinum 0.27ctw Dual Two Row Round Fishtail Pave Diamond Band Ring
Located in Montclair, NJ
Transitional & Round Brilliant Cut - Fishtail Pave Set - G/H Color - VS2/SI1 Clarity Total Carat Weight: 0.27
Category

21st Century and Contemporary Art Deco Band Rings

Materials

Diamond, Platinum

3.20 Carat Solitaire Diamond Platinum Vintage Statement Cocktail Ring
Located in Montreal, QC
nestled Hand set 3.20 Carat Transitional Round Brilliant Cut Diamond. Hand crafted Platinum mounting
Category

Late 20th Century Modernist Solitaire Rings

Materials

Diamond, Platinum

1.21 Carat Diamond and Sapphire Antique Engagement Ring
Located in San Francisco, CA
transitional round brilliant-cut diamond, weighing approximately 1.21 carats, graded F color/SI clarity. The
Category

Early 20th Century Art Deco Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

Vintage Diamond & 18k White Gold Ring
Located in San Francisco, CA
For the lover of all things vintage, this ring is a must! Featuring a transitional round brilliant
Category

Mid-20th Century Engagement Rings

Materials

Diamond, White Gold

Vintage Mid Century Platinum 0.60ct Pave Diamond Open Work Wavy Wide Band Ring
Located in Montclair, NJ
--Stone(s):-- (30) Natural Genuine Diamonds - Old Transitional & Round Brilliant Cut - Pave Set - G
Category

21st Century and Contemporary Art Deco Band Rings

Materials

Diamond, Platinum

Antique Art Deco Filigree Platinum Old European Cut Diamond Ring
Located in Philadelphia, PA
0.56ct round transitional brilliant cut diamond (color: H-I, clarity: SI) at its center and flanked by 6
Category

Early 20th Century Unknown Art Deco Solitaire Rings

Materials

Diamond, Platinum

Art Deco 14K White Gold & Natural Diamond Pave-Set Ring
Located in Philadelphia, PA
. 0.80 ct± transitional round brilliant cut diamond (color H-I, clarity VS) in an illusion setting
Category

20th Century Unknown Art Deco Wedding Rings

Materials

Diamond, White Gold

Art Deco 18K White Gold & Natural Old European Cut Diamond Cocktail Ring
Located in Philadelphia, PA
transitional round brilliant cut diamond: 4.20 x 2.11mm±, 0.25 Ct± (Color: G-H, Clarity: VS) 37 single cut
Category

Mid-20th Century Unknown Art Deco Cocktail Rings

Materials

Diamond, White Gold

GIA Certified .81 Carat Transitional Cut Diamond Pave Gold Engagement Ring
Located in Stamford, CT
-inspired flair. 1 transitional round brilliant cut diamond, approx. total weight .81cts, I, SI2, 6.31 x
Category

Late 20th Century Art Deco Engagement Rings

Materials

Diamond, Gold, 18k Gold, White Gold

Retro 14K Yellow Gold Sapphire Bangle Bracelet
Located in Montgomery, AL
combined. Accenting the sapphires are 22 transitional round brilliant cut diamonds, approximately 0.5 carat
Category

Mid-20th Century Retro Bangles

Materials

Sapphire, 14k Gold, Yellow Gold

.40 Carat Diamond Art Deco Platinum Engagement Ring
Located in Stamford, CT
1940's Art Deco Platinum diamond engagement ring. EGL certified transitional brilliant cut .40
Category

Early 20th Century Engagement Rings

Materials

Diamond, Platinum

Art Deco Style Diamond & Sapphire Ring
Located in San Francisco, CA
Fun, delicate and classic all in one! This 14k white gold ring centers a transitional round
Category

21st Century and Contemporary Unknown Art Deco Engagement Rings

Materials

Diamond, Sapphire, 14k Gold, White Gold

Art Deco Cabochon Emerald and Diamond Ring
Located in Weston, MA
by a pavé-set transitional round brilliant diamond surround. Cabochon Columbian emerald weighs
Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, Emerald, Platinum

Diamond Solitaire Platinum Engagement Ring
Located in Beverly Hills, CA
This stunning platinum engagement ring from the 1940s centers a prong-set, transitional round
Category

Vintage 1940s Retro Engagement Rings

Materials

Diamond, Platinum

Art Deco Diamond Panel Bracelet Set in Platinum, 1920's
Located in London, GB
shaped cartouches are set throughout with old European brilliant-cut, transitional round brilliant-cut
Category

Mid-20th Century British Art Deco Link Bracelets

Materials

Diamond, Platinum

GIA Certified 1.04 Carat Diamond Platinum Engagement Ring
Located in Beverly Hills, CA
1.04-carat transitional round brilliant-cut diamond, prong-set to emphasize its exceptional brilliance
Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, Platinum

Art Deco Aquamarine, Sapphire & Diamond Ring
Located in San Francisco, CA
straight baguette-cut diamonds, framed by Swiss-cut sapphires, and set with 6 transitional round brilliant
Category

21st Century and Contemporary Unknown Art Deco Cocktail Rings

Materials

Aquamarine, Diamond, Sapphire, Platinum

Lapis Lazuli and Diamond 14K Yellow Gold Ring, circa 1960s
Located in Beverly Hills, CA
cabochon lapis measuring 20 x 15 mm, enhanced by six transitional round brilliant cut diamonds totaling
Category

20th Century Dome Rings

Materials

Diamond, Lapis Lazuli, Yellow Gold, 14k Gold

Art Deco 17ct Diamond Double Clip Brooch, c.1940s
Located in London, GB
transitional, round brilliant, eight cuts, baguette cut and the most intriguing of all, two bullet cut diamonds
Category

Vintage 1940s Unknown Art Deco Brooches

Materials

Diamond, Platinum

Art Deco 0.72 Ct. Diamond Engagement Ring J SI2 in Platinum
Located in New York, NY
) straight baguettes, (6) transitional round brilliant diamonds Accent Stone Weight: 0.28 ct. Accent Color
Category

Early 20th Century Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique 1.18 Carat Diamond and Yellow Gold Solitaire Engagement Ring, circa 1930
Located in Jesmond, Newcastle Upon Tyne
stunning feature 1.18ct transitional modern brilliant round cut diamond. The elevated pierced decorated
Category

Vintage 1930s French Band Rings

Materials

Diamond, Yellow Gold

18k Yellow Gold and Platinum Floral Sunburst Diamond Brooch
Located in Beverly Hills, CA
elegance and exceptional craftsmanship of the era. Featuring 127 transitional round brilliant cut diamonds
Category

Vintage 1970s Brooches

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Retro 1.45 Ct Diamond Buckle Unique Bracelet 18 KT gold
Located in Napoli, IT
Approx 1.45 Ct of finest old transitional round brilliant cut Diamonds rated as G VVS /VS – top rated
Category

Vintage 1940s European Retro Retro Bracelets

Materials

Diamond, 18k Gold

Emerald and Diamond Flower 18k Yellow Gold Earclips, circa 1960s
Located in Beverly Hills, CA
hues are beautifully complemented by 6 transitional round brilliant cut diamonds totaling 0.40 carats
Category

20th Century Clip-on Earrings

Materials

Diamond, Emerald, Yellow Gold, 18k Gold

Vintage 1.27 Carat Diamond Platinum Engagement Ring
Located in Santa Barbara, CA
: Transitional Round Brilliant Color: K-L Clarity: SI2 Additional Gemstones: 10 Side Diamonds = 0.10 Carats
Category

Vintage 1960s Solitaire Rings

Materials

Diamond, Platinum

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

Victorian Gem-set Dragonfly Platinum and Gold Pendant / Brooch
Located in Beverly Hills, CA
transitional round brilliant-cut diamonds totaling 3.50 carats with J-K color and SI-1 clarity, flutter with
Category

Vintage 1910s Pendant Necklaces

Materials

Diamond, Pink Sapphire, Gold, 18k Gold, Platinum

GIA Certified 1.46 Carat No Heat Ruby & Diamond Art Deco Engagement Ring
Located in Santa Barbara, CA
Clarity: Transparent Accent Diamonds: 6 Transitional Round Brilliant 0.30 carats total; G Color, VVS2
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Ruby, Yellow Gold, Platinum

Engraved Art Deco 0.87 Carat Certified Diamond Solitaire Ring
Located in Santa Barbara, CA
Round Brilliant Color: K-L Clarity: VS2 Accent Diamonds: 4 Baguettes 0.16 carats total; Color F-G
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Antique Art Deco J.E. Caldwell Platinum, Diamond, & Sapphire Bar Brooch
By J.E. Caldwell & Co.
Located in Philadelphia, PA
channel-set rectangular French cut (lab created) sapphires & 12 prong-set transitional round brilliant
Category

Early 20th Century American Art Deco Brooches

Materials

Diamond, Sapphire, Platinum

Retro Diamond Fan Motif 18k Yellow Gold Earrings, circa 1940s
Located in Beverly Hills, CA
the design. The fan motif is further adorned with 20 transitional round brilliant cut diamonds
Category

20th Century Retro Lever-Back Earrings

Materials

Diamond, Yellow Gold, 18k Gold

Vintage Victorian Revival 14k Gold 14.60ct GIA Emerald & Diamond Bangle Bracelet
Located in Montclair, NJ
& Round Brilliant Cut - Pave Set - G-I Color - VS2-SI2 Clarity - 0.60ctw (approx.) Total Carat Weight
Category

21st Century and Contemporary Revival Bangles

Materials

Diamond, Emerald, 14k Gold

EGL Certified .65 Carat Old European Diamond Platinum Engagement Ring
Located in Stamford, CT
1930's Art Deco diamond engagement ring. Set with a .65ct old Euro transitional round brilliant cut
Category

Mid-20th Century Engagement Rings

Materials

Diamond, Platinum

Art Deco Platinum, 6 Carat Diamond and Calibré Emerald Bracelet
Located in Santa Barbara, CA
mine, Old European and Transitional Round Brilliant cuts; 4.45 Carats total averaging G-I color, VS
Category

Vintage 1920s Art Deco Link Bracelets

Materials

Diamond, Emerald, Platinum

Art Deco 1.40 Ct. Certified Pink Sapphire 1.04 CT Diamond Ring
Located in Napoli, IT
great colour result within the Diamond border Diamonds are a selection of old transitional round
Category

Vintage 1930s European Art Deco Engagement Rings

Materials

Pink Sapphire, Diamond, Platinum, 18k Gold

Antique French 1.00 Carat Diamond and Platinum Solitaire Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
displays a feature 1.00ct transitional modern brilliant round cut diamond. The elevated, pierced decorated
Category

Vintage 1930s French Solitaire Rings

Materials

Diamond, Platinum

20th Century 1.80ct Diamond Emerald Target Engagement Cocktail Ring White Gold
Located in Lisbon, PT
which is iconically Art Deco features a Transitional round brilliant-cut diamond millegrain-set to the
Category

Vintage 1930s Portuguese Art Deco Engagement Rings

Materials

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

Art Deco Style Colombian Emerald Diamond Target Cocktail Ring Platinum, 1990s
Located in Lisbon, PT
Art Deco inspiration features a vivid green Colombian emerald and a Transitional round brilliant-cut
Category

1990s Unknown Art Deco Cocktail Rings

Materials

Diamond, Emerald, Platinum

Boucheron Door Knocker Earrings Diamond Platinum French Estate Jewelry
By Boucheron
Located in Beverly Hills, CA
gemstones are of cushion, transitional round brilliant and single cuts that make these door knockers look
Category

Vintage 1950s French Clip-on Earrings

Materials

Diamond, 18k Gold, White Gold, Platinum

Art Deco 22 Carats Diamond Honeycomb Buckle Bracelet Platinum Europe 1920s 1930s
Located in Lisbon, PT
seamless elegance throughout. Diamonds: Old European brilliant-cut, Transitional round brilliant-cut and
Category

Vintage 1920s Unknown Art Deco Link Bracelets

Materials

Diamond, Platinum

Wedding Band Platinum Diamond Eternity Ring 1960s Estate Jewelry Size 10
Located in Beverly Hills, CA
clean, understated design. A row of transitional round brilliant cut diamonds is channel set to create
Category

Vintage 1960s Unknown Wedding Rings

Materials

White Diamond, Diamond, Platinum

Antique La Belle Epoque Colombian Emerald Diamond Earrings Silver Gold, C. 1915
Located in Lisbon, PT
vibrant green Colombian emeralds and Old Mine-cut and Transitional round brilliant-cut diamonds. These
Category

Vintage 1910s Unknown Belle Époque Chandelier Earrings

Materials

Diamond, Emerald, Gold, Yellow Gold, Silver

Boucheron Buckle Bangle Bracelet 18k Gold Diamond Platinum French Estate Jewelry
By Boucheron
Located in Beverly Hills, CA
, the buckle motif is highlighted by transitional round brilliant cut diamonds set into the platinum
Category

Vintage 1950s French Bangles

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Art Deco 15 Carat Colombian Emerald Sapphire Diamond Pendant Necklace Platinum
Located in Lisbon, PT
Diamonds: 90 stones; Transitional round brilliant-cut and round brilliant-cut; estimated 1.6 carats in
Category

Vintage 1940s Unknown Art Deco Pendant Necklaces

Materials

Diamond, Emerald, Sapphire, Platinum

Authentic Vintage 1940 6t. Old Transitional Diamond Platinum Gold Bracelet
Located in Chicago, IL
alongside a classic aesthetic. The bracelet contains a mix of Old European, Transitional, and Round
Category

Vintage 1940s British Art Deco Tennis Bracelets

Materials

Diamond, Gold, 14k Gold, Platinum

Art Deco 1.07 Carat GIA Transitional Cut Diamond & Sapphire Navette Ring
Located in Los Angeles, CA
of platinum. With a 1.07 Carat Transitional Cut diamond (early Round Brilliant Cut), GIA certified K
Category

Vintage 1920s Unknown Art Deco Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Leitão & Irmão Art Deco Natural Pearl Diamond Earrings Platinum Portuguese 1940s
Located in Lisbon, PT
intricately set with baguette-cut, Old European brilliant-cut, Transitional round brilliant-cut, and single
Category

Vintage 1940s Portuguese Art Deco Drop Earrings

Materials

Diamond, Pearl, Natural Pearl, Platinum

EGL Certified 1.03 Carat Transitional Diamond Platinum Engagement Ring
Located in Stamford, CT
Mid-Century Transitional brilliant cut round center diamond engagement ring. Set in platinum with
Category

Mid-20th Century Unknown Engagement Rings

Materials

Diamond, Platinum

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Transitional Round Brilliant For Sale on 1stDibs

On 1stDibs, you can find the most appropriate transitional round brilliant for your needs in our varied inventory. Frequently made of gold, 18k gold and platinum, this item was constructed with great care. Our collection of these items for sale includes 2520 vintage editions and 515 modern creations to choose from as well. If you’re looking for a transitional round brilliant 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. There have been many well-made iterations of the classic transitional round brilliant over the years, but those made by Peter Suchy, Sarosi By Timeless Gems and Tiffany & Co. are often thought to be among the most beautiful. See these pages for a round cut iteration of this accessory, while there are also brilliant cut cut and oval cut cut versions available here, too. When shopping for a transitional round brilliant, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a Transitional Round Brilliant?

The price for a transitional round brilliant starts at $106 and tops out at $645,000 with these rings, on average, selling for $4,244.

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.  

Questions About Transitional Round Brilliant
  • 1stDibs ExpertAugust 17, 2021
    A brilliant cut diamond is a diamond cut to maximize its brilliance. This diamond shape has 57 facets, round brilliant cut diamonds are among the most popular styles of engagement rings. This cut is known for, when compared to other cuts, most closely mimicking the natural contours of a rough diamond crystal.
  • 1stDibs ExpertSeptember 28, 2021
    The cost of a round brilliant diamond ring will primarily depend on the carat weight, color, clarity, shape, and cut of the diamond. The price range for these exquisite pieces of jewelry may range from around $500 to even $10,000 and above. Shop a range of antique and vintage round brilliant diamond rings 1stDibs.