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Round Cut Engagement Rings

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Round Cut Diamond Halo Engagement Ring
Material: 14k Rose Gold Center Stone Details: Approx. 1.54ctw Round Cut Diamond. Diamond is J/K in color and SI in clarity Diamond Details: Approx. 0.64ctw of round cut diamonds. Dia...
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Diamond, 14k Gold, White Gold

  • Round Cut Diamond Halo Engagement Ring
  • Round Cut Diamond Halo Engagement Ring
  • Round Cut Diamond Halo Engagement Ring
  • Round Cut Diamond Halo Engagement Ring
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H 0.98 in. W 0.46 in. D 0.81 in.
Round Cut Diamond Ladies Wedding Band
Material: 14k yellow gold Diamond Details: Approximately 3.19ctw of round brilliant diamonds. Diamonds are H/J in color and SI in clarity Ring Size: 6 Ring Measurements: 0.78″ x 0.20...
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Diamond, 14k Gold, Yellow Gold

  • Round Cut Diamond Ladies Wedding Band
  • Round Cut Diamond Ladies Wedding Band
  • Round Cut Diamond Ladies Wedding Band
  • Round Cut Diamond Ladies Wedding Band
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H 0.78 in. W 0.20 in. D 0.78 in.
Round Cut Diamond Ladies Wedding Band
Material: 14k yellow gold Diamond Details: Approximately 2.76ctw of round brilliant diamonds. Diamonds are H/J in color and SI in clarity. Ring Size: 6.25 Ring Measurements: 0.86″ x ...
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Diamond, 14k Gold, Yellow Gold

  • Round Cut Diamond Ladies Wedding Band
  • Round Cut Diamond Ladies Wedding Band
  • Round Cut Diamond Ladies Wedding Band
  • Round Cut Diamond Ladies Wedding Band
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H 0.82 in. W 0.15 in. D 0.86 in.
Charming Round Cut Diamond Platinum Engagement Ring
This charming platinum ring centers a sparkling round cut diamond that weighs 0.45ct. and is graded F-G color with VS1 clarity. The center stone is accentuated by dazzling round cut...
Category

20th Century Engagement Rings

Materials

Diamond, Platinum

Diamonds Round Cut White Gold 18 Karat
Diamonds Brillant Cut White Gold 18 k 39 Diamonds Brillant cut 1.12 ct White Gold 18 k / Weight Us Size 6 3/4 French Size 54
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

Diamond, Gold, 18k Gold, White Gold

Antique Platinum, Pearl and Round Cut Diamond Ring, 1940s
This stunning antique ring is set with a central pearl surrounded by a "tornado" of round cut diamonds; the shank is composed by three bands. This ring is modelled in platinum throug...
Category

Vintage 1940s More Rings

Materials

Diamond, Pearl, Platinum

Untreated Yellow Sapphire Round Cut Solitaire Platinum Crossover Ring
Natural yellow sapphire set in a beautiful 950 platinum solitaire ring. 0.63 carat stone with a bright unique colour and excellent clarity. very clean stone. Also totally untreated ...
Category

2010s Solitaire Rings

Materials

Sapphire, Yellow Sapphire, Platinum

4.36 Carat Diamond Round Cut Platinum Engagement Ring
This brilliant 4.36 carat round diamond is set with the classic two side baguette diamonds. This forever classic round cut diamond is of SI1 clarity and set in platinum. Ring size 6
Category

2010s Engagement Rings

Materials

Diamond, White Diamond, Platinum

Platinum Vintage Art Deco Round Cut Diamond Engagement Ring
Art Deco diamond engagement ring crafted in platinum set with one round brilliant cut diamond which is flanked by green emeralds and smaller round cuts. Amazing hand engraving all th...
Category

Early 20th Century Art Deco Bridal Rings

Materials

Diamond, Platinum

Estate Round Cut Natural Spinel & Diamond Engagement Ring 18K
Natural deep dark red spinel and diamond engagement estate engagement wedding three stone ring. The deep red color of this 100% natural untreated weighing 10.00 carats round cut spin...
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

Diamond, White Diamond, Spinel, 18k Gold

Diamonds Round Cut and Oval Cut on Platinum Engagement Ring
Diamonds Round cut and Oval Cut on Platinum Engagement Ring Platinum Weight 5.03 grams 1 Diamond Oval Cut 0.500 ct Color D purity VS 34 Diamonds Round/brillant Cut Color E Purity VS ...
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

Diamond, White Diamond, White Gold, Platinum

2 Carat Round Cut Engagement Ring with Shared Claw Setting
2.02ct I colour VS2 clarity, GIA#2127721422, round brilliant cut diamond engagement ring with 1.77ct total diamonds set in the gallery and full eternity all the way around. 18k white...
Category

2010s Contemporary Bridal Rings

Materials

White Diamond, Diamond, 18k Gold, White Gold

Bvlgari Diamond 1/3 Carat Round Cut Platinum Solitaire Bulgari Ring D VVS1
A classic Bvlgari Diamond Solitaire Ring in Platinum, set with a 0.33ct D/VVS1 Round Brilliant Cut Diamond. The diamond an excellent quality cut and polish with lots of sparkle and l...
Category

2010s Solitaire Rings

Materials

Diamond, White Diamond, Platinum

14 Karat Yellow Gold Round Cut Diamond Solitaire Engagement Ring
This ring is made with 14 karat yellow and white gold and features one round cut, prong set diamond weighing 0.22ct with a color grade (I) and clarity grade (I1).
Category

2010s Modern Bridal Rings

Materials

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

0.45 Carat Round Cut Diamond Gold Engagement Ring
Features a 0.45 carat round brilliant diamond center stone set in a 18k white gold setting that tapers as it gets to the center diamond. The setting is micro-pave set with round bril...
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Round Cut Solitaire Diamond Engagement Ring with Twist Design Setting
Custom engagement ring in 18kt white gold with round cut solitaire diamond, 1.57ct I VS1, GIA 2151680104. With twist design on the setting with diamonds on the shank and on the side ...
Category

2010s Contemporary Engagement Rings

Materials

White Diamond, Diamond, 18k Gold, White Gold

Round Cut Diamond Engagement Ring Set in Platinum 1.20 Carat
Brand New & unworn. Center Stone Type: Diamond Center Stone Weight (cts): 1.00 Center Stone Shape: Round Center Stone Color: White Center Stone Clarity: I1 Side Stone Gem Type: D...
Category

2010s Engagement Rings

Materials

Diamond, Platinum

Timeless GIA Certified 7.01 Carat I-VS2 Round Cut Engagement Ring
Timeless Round Cut Diamond Ring, with 7.01 Carats Round Brilliant Cut Diamond I color VS2 in Clarity set with 1.00 Carats of baguettes. Set in Platinum Comes with GIA Certificate
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

2.47 Carat Round Cut Diamond Platinum Solitaire Engagement Ring
This solitaire engagement ring features a 2.47 carat round brilliant diamond set in a traditional 4 prong style setting. Made in platinum. Style available in different price ranges...
Category

Early 20th Century Art Nouveau Engagement Rings

Materials

Diamond, Platinum

3.49 Carat Round Cut Blue Sapphire Diamond Gold Ring
Exquisite Sapphire Surrounded by Double Diamond Halo The ring is 18K White Gold The Round Cut Sapphire is Blue 3.49 Carats The Sapphire is Heated There are 0.94 Carats in Diamonds F/...
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

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

.25 Carat Petite Solitaire Round Cut Diamond Ring 14 Karat H/Vs2
Solitaire Petite .25ct. Natural round cut brilliant diamond solitaire ring. Vs-2 clarity / H color. center diamond: 3.7mm 14kt yellow gold. 1.9 Grams Current ring size: 5.25 ...
Category

2010s Solitaire Rings

Materials

Diamond, 14k Gold, Yellow Gold

Six-Claw Solitaire Round Cut Diamond Engagement Ring in White Gold
Six-claw solitaire round cut diamond engagement ring. Center diamond 1.51ct, G SI1 GIA#51518987666. Ring setting in 19kt white gold with diamonds open-window set 3/4 way around the s...
Category

2010s Contemporary Engagement Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

Solitaire Vintage Inspired Filigree Deco GIA Round Cut Diamond Engagement Ring
Intricate filigree and milgrain detailing adorns the shank and gallery of this unique engagement ring. A certified GIA diamond shines brilliantly in the center and Valorenna's high-p...
Category

21st Century and Contemporary Art Deco Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Vintage Inspired Halo Filigree Diamond Accented GIA Round Cut Engagement Ring
Intricate filigree patterns decorate the gallery of this one of a kind halo style engagement ring. A GIA certified round brilliant cut shines in the center, and Valorenna's high-poli...
Category

21st Century and Contemporary Art Deco Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Solitaire Halo Vintage Inspired Round Cut Diamond GIA Certified Engagement Ring
Adorable filigrees decorate the halo of this vintage inspired solitaire style diamond engagement ring. Breathtakingly beautiful, this Valorenna engagement ring is truly one of a kind...
Category

21st Century and Contemporary Art Deco Engagement Rings

Materials

Diamond, 14k Gold, White Gold

1.18 Carat Round Cut Diamond Vintage Engagement Ring, 900 Platinum
Surprise the love of your life with her dream ring! Crafted in heirloom-quality 900 platinum, this exquisite vintage engagement piece showcases a sparkling diamond solitaire beautifu...
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

2.93 Carat Round Cut Apatite Diamond White Gold Engagement Ring
Gorgeous Halo Apatite and Diamond Ring. This ring has a Round Cut 1.91 Carat Apatite and is surrounded by a halo of 50 Round Cut Diamonds that weigh 1.02 carat (Clarity: VS, Color: ...
Category

2010s Modern Engagement Rings

Materials

Diamond, 18k Gold, White Gold

18 Karat White Gold Round Cut Diamond Engagement Ring 1.54 Carat
This classic diamond engagement ring features sparkling round cut center stone that weights 1.54 carat. The shank is halfway pave set with 0.42 carat of round cut diamonds. Shank wid...
Category

2010s Modern Engagement Rings

Materials

Diamond, 18k Gold

GIA Certified .51 Carat Round Cut Diamond Solitaire Ring Platinum Classic G/Vs
GIA Certified Diamond engagement ring. Solitaire Classic GIA Certificate: 11721553348 .51ct. Natural Round Cut diamond G color Vs2 clarity (Please see report copy attached) ...
Category

2010s Solitaire Rings

Materials

Diamond, Platinum

3.42 Carat Round Cut Apatite Diamond White Gold Engagement Ring
Gorgeous Double Halo Apatite and Diamond Ring. This ring has a Round Cut 2.44 carat Apatite in the center of the ring and is surrounded by a double halo of 56 Round Cut Diamonds tha...
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Natural Round Cut Emerald and Diamond Engagement Ring 18 Karat Gold
Natural Colombian Emerald Semi-Round Cut 0.50Carat Diamonds H/VS2, Approx. 0.12 Carats Emerald shows a Vivid Medium Green/ Clarity VS Total Gemstone Weight 0.62 Carat Total Ring Weig...
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

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

Round Cut Yellow Gold 5.90 Carat Vintage Halo Set Engagement Ring
When shopping for vintage engagement rings there are just so many choices but after all, it is the style of the ring that matters the most. Can you picture yourself wearing yellow go...
Category

20th Century Engagement Rings

Materials

Yellow Gold

Cartier Yellow Gold Round Cut Diamond Engagement Ring 3 Carat
A Stunning 1980's Cartier Diamond Engagement Ring. This Gold and Diamond Ring is a beautiful Cartier piece. The ring has a center diamond of a 3.01 carats and pave round cut diamonds...
Category

1990s Modern Engagement Rings

Diamond Engagement Ring, 14 Karat White Gold Round Cut .82 Carat
Like effervescent champagne sparkling in candlelight, this radiant engagement ring will absolutely delight your sweetheart! This 14k white gold piece showcases a resplendent diamond ...
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 14k Gold, White Gold

GIA Certified .69 Carat Round Cut Diamond Raised Diamond Ring 14 Karat
GIA Certified Diamond engagement ring. Raised Solitaire Mod Classic GIA Certificate: 6193675680 .47ct. Natural Round Cut diamond J color Vs1 clarity (Please see report copy ...
Category

2010s Solitaire Rings

Materials

Diamond, 14k Gold, Yellow Gold

Platinum 2.69 Carat Round Cut Diamond Six Prong Solitaire Engagement Ring
Hear her say yes to this amazing solitaire engagement ring. This ring is beautifully crafted in platinum 950. It showcases a magnificent 8.89 mm round brilliant 2.69 carat diamond. S...
Category

2010s Modern Engagement Rings

Materials

Diamond, Platinum

1930s Art Deco Light Brown Round Cut Diamond Gold Engagement Ring
1930-1939 Art Deco 14k white gold ring set with 6 single cut diamonds and a transitional cut center diamond. Handmade square top. 1 Very light brown VS2. 5.97 x 6.11 x 4.09mm. De...
Category

Vintage 1930s Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Engagement Ring with Round Cut Center Diamond and Tapered Baguette Side Diamonds
Engagement ring in platinum set with 0.72ct total round diamonds and 0.18ct total tapered baguettes on the side. Center diamond as shown 2.04ct O-P VVS1 round cut. Center diamond may...
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

White Diamond, Platinum

Round Cut Diamond Yellow Gold Engagement Ring with Halo and Basket Setting
Round cut diamond yellow gold engagement ring with 0.72ct round brilliant center diamond, H SI2 GIA#2151618607. Set in 18kt yellow gold. Halo set with 18 diamonds totaling 0.15ct, F...
Category

2010s Contemporary Engagement Rings

Materials

Diamond, White Diamond, 18k Gold, Yellow Gold

0.20 Carat Round Cut Men's Wedding Band 14 Karat Yellow Gold
We have a Men's Collection of Fine Jewelry! Beautiful, Bold, Masculine and Simple Men's Wedding Rings/Bands. This Men's Band has 1 Round Cut Diamond that weigh 0.20 Carats. The C...
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, 14k Gold, Yellow Gold

White Diamond Color G Round Cut and Oval Cut on White Gold 18 Karat
White gold Ring 18K 6.4 grams White diamond Round Cut and Oval Cut 1 ct. Color H Purity SI French size 54 Us size 7
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

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

2.53 Carat Round Cut Baguette Diamond Three-Stone Platinum Engagement Ring
1940s round brilliant cut light yellow center diamond. EGL certified, in a platinum three-stone setting with two baguette side diamonds. 1 round diamond approx. total weight 2.53ct...
Category

Early 20th Century Engagement Rings

Materials

Diamond, Platinum

0.25 Carat Men's Round Cut Diamond Ring 18 Karat Yellow Gold
Looking for a Father's Day Gift or an Engagement Band?! Check out our Men's Collection! This classic Mens' Ring has 1 Round Cut Diamond that weighs 0.25 Carats (Clarity: VS, Color...
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, White Diamond, 18k Gold, Yellow Gold

Rose Gold .88 Carat Round Cut Diamond Engagement Ring
Era: New Composition: 14K Rose Gold Primary Stone: Round Brilliant Cut Diamond Stone Carat Weight: .88 Carats Color/ Clarity: I VS2 Accent Stone: Round and Tapered Baguette Cut ...
Category

2010s Engagement Rings

Materials

Diamond, 14k Gold, Rose Gold

Diamond Engagement Ring, 14 Karat Yellow Gold Round Cut 1.11 Carat
Begin the next chapter of your beautifully unique love story with this stunning engagement ring! Fashioned in classic 14k yellow and white gold, this piece showcases a sparkling diam...
Category

20th Century Three-Stone Rings

Materials

Diamond, 14k Gold, Yellow Gold

Square Halo Engagement Ring with Round Cut Center Diamond in White Gold
Square halo engagement ring in 18k white gold with 0.99ct round brilliant cut center diamond, G colour and VS2 clarity. Surrounded by a micro-set halo and band of 56 diamonds totalin...
Category

2010s Contemporary Engagement Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

Sapphire and Diamond Engagement Ring, 950 Platinum Round Cut 1.12 Carat
Captivatingly beautiful, this unique engagement piece will be a wonderful choice for your bride-to-be! This ring is crafted in heirloom-quality 950 platinum and showcases a vivacious...
Category

20th Century Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

GIA Certified 1.40 Carat Round Cut Diamond Crossover Engagement Ring 14 Karat
GIA Certified Diamond engagement ring. Crossover Cluster Mod Classic GIA Certificate: 1192675701 .50ct. Natural Round Cut diamond I color Si-1 clarity (Please see report cop...
Category

2010s Solitaire Rings

Materials

Diamond, 14k Gold, Yellow Gold

Diamond Halo Engagement Ring, 14 Karat White Gold Round Cut .85 Carat
Give the woman you cherish an engagement ring of exquisite beauty! Composed of 14k white gold, this enchanting piece showcases a sparkling diamond solitaire cradled in the center of ...
Category

20th Century Engagement Rings

Materials

Diamond, 14k Gold, White Gold

GIA Certified .88 Carat Round Cut Diamond Cathedral Ring 14 Karat Classic VVS
GIA Certified Diamond engagement ring. Cathedral Classic GIA Certificate: 2181151800 .48ct. Natural Round Cut diamond I color VVs2 clarity (Please see report copy attached) ...
Category

2010s Solitaire Rings

Materials

Diamond, 14k Gold, White Gold

Vintage 18 Karat Gold and 0.7 Carat Round Cut Diamond Solitaire Ring, 1970s
This particular solitaire ring is crafted in 18K gold throughout, and it is set with a central 0.7ct round cut diamond. The ring dates from the 1970s. MATERIALS 18K gold and one 0.7...
Category

Late 20th Century Solitaire Rings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Estate 18 Karat White Gold GIA Certified Round Cut Diamond Engagement Ring
*** GIA Report #: 2171817498 *** METAL TYPE: 18K White Gold STONE WEIGHT: 0.91 (center stone) Color: E Clarity: I1 TOTAL WEIGHT: 4.3 g RING SIZE: Sizeable
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Round Cut Diamond Engagement Ring with Pavé Halo and Shank in White Gold
Ladies' round halo engagement ring in 18kt white gold, set with GIA graded 1.52 I SI1, GIA number 2117810529, brilliant round cut diamond. Surrounded by 0.56ct of micro-pave' set dia...
Category

2010s Contemporary Engagement Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

GIA Certified 1.12 Carat Round Cut Diamond Gold Solitaire Engagement Ring
This ring features a round brilliant diamond weighing 1.12 carats that GIA certified as G color SI1 clarity. Set in an intertwining 12 prong setting. Made in 18k white gold. Size 6.5...
Category

2010s Engagement Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

0.30 Carat Round Cut Diamond Men's Wedding Band 14 Karat White Gold
We have a Men's Collection of Fine Jewelry! Beautiful, Bold, Masculine and Simple Men's Wedding Rings/Bands. This Men's Band has 3 Round Cut Diamonds that weigh 0.30 Carats. The ...
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, 14k Gold, White Gold

0.25 Carat Round Cut Diamond Men's Wedding Band 14 Karat White Gold
We have a Men's Collection of Fine Jewelry! Beautiful, Bold, Masculine and Simple Men's Wedding Rings/Bands. This Men's Band has 5 Round Cut Diamonds that weigh 0.25 Carats. The ...
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, 14k Gold, White Gold

2.92 Carat Round Cut Black Diamond 14 Karat White Gold Engagement Ring
2.92 Carat Round Cut-Flower Design Black Diamond White Gold Ring! Gorgeous Ring that can be an Engagement ring or a sexy Cocktail Ring. There are 7 Black Round Cut Diamonds that wei...
Category

2010s Modern Engagement Rings

Materials

White Diamond, Black Diamond, 14k Gold, White Gold

Black Diamond Solitaire Ring 1.06 Carat, 14 Karat White Gold Round Cut
This brand new diamond engagement ring showcases a sleek black diamond solitaire!  The round cut diamond has a 1.06 carat weight and is brilliantly displayed in a 4 prong setting.  T...
Category

21st Century and Contemporary Engagement Rings

Materials

Black Diamond, 14k Gold, White Gold

Celebration Diamond Engagement Ring Round Cut 1.09 Carat 18 Karat White Gold
CELEBRATION DIAMOND by Zales Style: Solitaire Serial Number: CEL0049947 Metal: 18kt White Gold & Platinum PT950 Size: 5 (sizable) Total Carat Weight: 1.09 CTS Diamond Shape: Mo...
Category

2010s Engagement Rings

Materials

Diamond, 18k Gold, White Gold, Platinum

James Allen Round Cut Diamond Engagement Ring in Platinum AGS I VVS2 1.70 Carat
James Allen Round Cut Diamond Engagement Ring in Platinum AGS I VVS2 1.7 CTW PRIMARY DETAILS SKU: 105733 Condition Description: Retails for 14,000 USD. In excellent condition and ...
Category

2010s Engagement Rings

Materials

Diamond, Platinum

Questions about Round Cut Engagement Rings
Are prices for round cut engagement rings negotiable on 1stdibs?
Prices for most round cut engagement rings on 1stdibs are negotiable. You’ll see a "Make an Offer" button on the item details page, indicating that the seller is willing to consider a lower price. It’s not uncommon for customers to get 15–25% off the list price after negotiating. See our tips for negotiating like a pro.
Who sells round cut engagement rings online at 1stdibs?
Only experienced, professional sellers who have applied and been thoroughly vetted by our team of experts can sell round cut engagement rings and other quality items on our site. Learn more about becoming a 1stdibs seller.
What is the Buyer Protection Guarantee?
The 1stdibs Buyer Protection Guarantee provides coverage for qualified purchases in the unlikely event that the item arrives not as described or is damaged. We’ll work with you and the seller to find a resolution, ensuring your satisfaction. View details
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