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Adamante 3 ct. Lab-Grown Radiant Solitaire Ring vs 14k Two-tone 2 Ct. Certified Lab Grown Diamond VS/SI+ G+ Oval Solitare Engagement Ring

Buy the Adamante if you want the biggest, boldest stone and a warm yellow-gold look. Buy the two-tone oval if you want a slightly smaller stone with a tighter clarity and color grade and a mixed-metal band that reads a bit more modern. Both are 14K gold solitaires with certified lab-grown centers, so the real choice is cut and size versus grading and metal style. Owners of radiant cuts like the sparkle but note the step-cut facets can show inclusions more readily, which is where the oval's higher clarity floor helps.

  • Choose the Adamante if you want a 3 carat radiant cut in a classic all-yellow-gold solitaire and size matters most to you.
  • Choose the two-tone oval if you prefer an oval's softer brilliance, a VS/SI+ clarity floor and a mixed-metal band.

Prices

  • Adamante 3 ct. Lab-Grown Radiant Solitaire Ring: $666.33 at Amazon (checked today)
  • 14k Two-tone 2 Ct. Certified Lab Grown Diamond VS/SI+ G+ Oval Solitare Engagement Ring: $1,199.99 at Goldia.com (checked today)
  • Difference: the Adamante 3 ct. Lab-Grown Radiant Solitaire Ring is $533.66 cheaper than the 14k Two-tone 2 Ct. Certified Lab Grown Diamond VS/SI+ G+ Oval Solitare Engagement Ring today
Adamante
Adamante 3 ct. tw. Lab-Grown Radiant Cut Diamond Solitaire Engagement Ring in 14K Yellow Gold

Adamante 3 ct. Lab-Grown Radiant Solitaire Ring

Adamante 3 ct. tw. Lab-Grown Radiant Cut Diamond Solitaire Engagement Ring in 14K Yellow Gold

$666.33at AmazonChecked 20 h ago
See all prices and details
Visit Amazon

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Pros
  • Largest stone of the two at 3 ct.
  • Radiant cut gives a distinct angular sparkle
  • Classic all-yellow-gold solitaire that suits traditional tastes
  • IGI certification named
Cons
  • Clarity range runs down to SI1, so eye-cleanliness varies by stone
  • Radiant step facets can reveal inclusions more than a brilliant cut
  • Band width and head height not published
  • Single metal color limits styling options
1
14k Two-tone 2 Ct. Certified Lab Grown Diamond VS/SI+ G+ Oval Solitare Engagement Ring

14k Two-tone 2 Ct. Certified Lab Grown Diamond VS/SI+ G+ Oval Solitare Engagement Ring

$1,199.99at Goldia.comChecked 1 h ago
See all prices and details
Visit Goldia.com
Pros
  • Tighter clarity floor at VS/SI+
  • G+ color grade
  • Oval cut hides inclusions well and looks larger per carat
  • Published band width and head height help judge the fit
  • Two-tone band adds visual interest
Cons
  • Smaller center stone at 2 ct.
  • Certifying lab not named
  • Two-tone finish is polarizing for traditionalists
  • Oval cuts can show a bow-tie dark band if poorly cut

What separates them

Adamante 3 ct. Lab-Grown Radiant Solitaire Ring14k Two-tone 2 Ct. Certified Lab Grown Diamond VS/SI+ G+ Oval Solitare Engagement Ring
Center stone cutRadiant cut, a rectangular step-and-brilliant hybrid with a clipped-corner, angular lookOval cut, a rounded brilliant cut with a softer, elongated sparkle
Carat weight3 ct. tw., a larger face-up stone2 ct., noticeably smaller on the hand
Color gradeGHG+
Clarity gradeVS1–SI1, a wider rangeVS/SI+, a tighter floor
MetalPolished 14K yellow gold throughout14K two-tone, mixing two gold colors
CertificationIGI lab-grown certificationCertified lab-grown, grader not named in the listing
Band and setting profileSolitaire band, dimensions not published2.25 mm band width, 3.74 mm head height, 3.18 gm total weight
Style readWarm, traditional, single-metal lookMore contemporary two-tone look

Price history

$1,461.99$666.33
Oct 31Nov 13
  • Adamante 3 ct. Lab-Grown Radiant Solitaire Ring: lowest $666.33 on Nov 12 at Amazon.
  • 14k Two-tone 2 Ct. Certified Lab Grown Diamond VS/SI+ G+ Oval Solitare Engagement Ring: lowest $1,461.99 on Nov 13 at Amazon.

Prices at every store

Adamante 3 ct. Lab-Grown Radiant Solitaire Ring

  • Riddle's JewelryNew

    In stock

    $3,999.80Checked 20 h ago
    Visit Riddle's Jewelry
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $666.33Free shippingChecked 20 h ago
    Visit Amazon
  • Riddle's JewelryNew

    Availability unknown

    $3,999.80Checked Oct 31
    Visit Riddle's Jewelry

Store links may earn us a commission.

All 2 stores and price history →

14k Two-tone 2 Ct. Certified Lab Grown Diamond VS/SI+ G+ Oval Solitare Engagement Ring

  • Goldia.comNew

    In stockReturn policy

    $1,199.99Checked 1 h ago
    Visit Goldia.com
  • Macy'sNew

    In stock

    $1,750.00Free shippingChecked 1 h ago
    Visit Macy's
  • LystNew

    In stock

    $1,750.00+ $15.00 shippingChecked 1 h ago
    Visit Lyst
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $1,461.99Free shippingChecked 1 h ago
    Visit Amazon

Store links may earn us a commission.

All 5 stores and price history →

Questions and answers

Which looks bigger on the hand?
The Adamante. A 3 carat radiant outfaces a 2 carat oval, and radiant's rectangular shape spreads weight across a long table. The oval's elongation helps it read larger than its weight, but not enough to close a full carat.
Which has the better diamond grade?
The two-tone oval on paper. Its G+ color and VS/SI+ clarity floor beat the Adamante's GH color and VS1–SI1 range. A well-chosen radiant at the top of its range can look just as clean, so ask for the specific stone's certificate.
Is the radiant cut a good choice for an engagement ring?
Yes. Radiant cuts are nearly as brilliant as round cuts and give a more architectural look. Their step facets can show inclusions more than a brilliant cut, which is why the clarity grade matters more here.
Which lasts longer?
Both are 14K gold solitaires with lab-grown diamonds, so durability is comparable. The two-tone ring's plating or finish can wear differently over time, while a single yellow-gold band is simpler to refinish.
Is the two-tone oval worth stepping down in size for?
If clarity and color grades matter more to you than carat weight, yes. If you want maximum presence on the hand, the 3 carat radiant wins and the grade difference is unlikely to be visible without a loupe.
Which suits a more modern style?
The two-tone oval. Mixed-metal bands and oval cuts are current trends. The all-yellow-gold radiant is the more traditional, timeless choice.

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