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4Ct Oval Solitaire Lab Grown Diamond Ring vs OM-RE 2 Carat Lab Grown Diamond Ring

Buy the 4 ct oval solitaire from Bliss Diamond if you want maximum size and a clean, classic look; it costs $1,393.92 as of November 5, 2026. Buy the 2 ct IGI ring at Walmart for $749.00 as of November 5, 2026 if budget matters more than carat weight. The oval gives you twice the center stone for about $645 more, and the 2 ct ring is the cheaper entry point.

Today the OM-RE 2 Carat Lab Grown Diamond Ring costs $644.92 less at its best price.

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Certified 4Ct Oval Solitaire Diamond Engagement Ring 14k Gold Lab Grown

4Ct Oval Solitaire Lab Grown Diamond Ring

Certified 4Ct Oval Solitaire Diamond Engagement Ring 14k Gold Lab Grown

5· 2 ratings
$1,393.92at Bliss DiamondVerified
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Choose the 4 ct oval solitaire if you want a large, certified lab grown center stone in solid 14k gold and can spend around $1,394.

Pros
  • 4 ct oval is a large, eye-catching center stone
  • G-H color and VS1-VS2 clarity are strong for the price
  • Choice of 14k white, yellow or rose gold
  • Slim 2 mm solitaire band keeps focus on the stone
Cons
  • Costs about $645 more than the 2 ct ring
  • Certificate of Assurance is not an IGI or GIA report
  • Solitaire setting offers little side-stone sparkle
OM-RE
2 Carat IGI Certified Round Shape Lab Grown Diamond Engagement Ring

OM-RE 2 Carat Lab Grown Diamond Ring

2 Carat IGI Certified Round Shape Lab Grown Diamond Engagement Ring

$749.00at WalmartObserved at 11:45 AM
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Choose the 2 ct IGI ring if you want a certified lab grown diamond under $800 and a smaller, lighter ring.

Pros
  • $749.00 at Walmart is the lower price of the two
  • IGI certification is a recognized lab report
  • Sizes 3 to 11.5 cover most fingers
  • Recycled 14k gold
Cons
  • 2 ct center stone is half the size of the oval
  • Shape is inconsistent across the listing: round, pear and princess all appear
  • Near colorless is a step below G-H
  • Only one store prices it new

What separates them

4Ct Oval Solitaire Lab Grown Diamond RingOM-RE 2 Carat Lab Grown Diamond Ring
Center stone weight4 ct total weight, single oval stone2 ct center stone
Price$1,393.92 at Bliss Diamond as of November 5, 2026$749.00 at Walmart as of November 5, 2026
Diamond shapeOvalListed as round in the name but pear and princess in the specs
Color gradeG-HNear colorless
Clarity gradeVS1-VS2VS1-VS2
CertificationCertificate of Assurance includedIGI certified
Metal14k white, yellow or rose gold14k recycled yellow gold
Band width and weight2 mm band, about 3 gNot stated

Price history

  • 4Ct Oval Solitaire Lab Grown Diamond Ring: lowest $699.00 on Nov 5 at Amazon.
  • OM-RE 2 Carat Lab Grown Diamond Ring: lowest $749.00 on Nov 5 at Walmart.

Prices at every store

4Ct Oval Solitaire Lab Grown Diamond Ring

  • Bliss DiamondNew

    In stockReturn policy

    $1,393.92Verified
    Visit store
  • WalmartNew

    In stockSold by Pompeii3

    $2,056.99Free shippingObserved at 10:36 AM
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Also available at

  • AmazonCheck price at Amazon
All 2 stores and price history →

OM-RE 2 Carat Lab Grown Diamond Ring

  • WalmartNew

    In stockSold by KKM GOLD

    $749.00Free shippingObserved at 11:45 AM
    Visit store

Also available at

  • WalmartCheck price at Walmart
Prices and history →

Specs compared

Spec4Ct Oval Solitaire Lab Grown Diamond RingOM-RE 2 Carat Lab Grown Diamond Ring
Diamond ColorG-HNear Colorless
Diamond ClarityVS-SIVS1-VS2
Diamond ShapeOvalPear
Metal14k white gold or 14k gold or 14k rose gold14K recycled yellow gold
Total Carat Weight4 ct. t.w.—
CertificateCertificate of Assurance included—
Diamond TypeCertified Lab Grown Diamond—
Ring StyleSolitaire—
color—Yellow
Department—Women's
Material—Gold, White Gold, Diamond, Pearl
Birthstone—Yes
Show all 23 specsShow fewer specs
Spec4Ct Oval Solitaire Lab Grown Diamond RingOM-RE 2 Carat Lab Grown Diamond Ring
Birth Month—April
Gold Karatage—14K
Gemstone Type—Lab-created
Setting Type—Solitaire
IGI Certified—Yes
Gemstone Cut—Princess
Gemstone Clarity—VS
Diamond Weight—1 carat
Center stone carat—2 carat
Available ring sizes

What reviewers say

4Ct Oval Solitaire Lab Grown Diamond Ring

Buyers on the seller's page describe the ring as stunning and beautiful, and several call it their dream ring. Some praise the price relative to the quality.

What people mention
  • AppearancePraisedBuyers call the ring stunning and beautiful.
  • ValuePraisedOwners say the price and quality are good for what you get.
  • Stone sizeMixedA 4-carat oval is dramatic, but on a 2 mm band it can sit high and feel heavy.
  • ColorMixedG-H is a near-colorless grade, but warmth can be easier to spot in a stone this large.

Questions and answers

Is the 4 ct oval worth the extra money over the 2 ct ring?
If size is the priority, yes. You get double the center stone weight and a G-H color grade for about $645 more. If budget is tight, the 2 ct ring at $749.00 does the job.
Which ring looks bigger on the hand?
The 4 ct oval. An oval also faces up long, so it covers more finger length than a 2 ct stone.
Which has better certification?
The 2 ct ring has an IGI report, which is widely recognized. The oval comes with a Certificate of Assurance, which is less standardized.
Which is better for a small budget?
The 2 ct IGI ring at $749.00 at Walmart as of November 5, 2026. It is the only option under $1,000 here.
Do both come in different gold colors?
The oval comes in 14k white, yellow or rose gold. The 2 ct ring is listed only in 14k recycled yellow gold.
Which lasts longer?
Both use 14k gold and a prong-set lab grown diamond, so wear is similar. The oval's 2 mm band is on the thin side, so it may need more care over decades.

More comparisons

  • Certified 4Ct Oval Solitaire Diamond Engagement Ring 14k Gold Lab Grown vs Marquise Lab Grown Diamond 2ct Solitaire Engagement Ring in 14k Yellow Gold
  • Marquise Lab Grown Diamond 2ct Solitaire Engagement Ring in 14k Yellow Gold vs 2 Carat IGI Certified Round Shape Lab Grown Diamond Engagement Ring

Buying guides that pick them

  • Best 14k yellow gold lab-grown diamond engagement rings
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3 to 11.5
Certification—IGI certified