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Oval|Lab Grown|GCAL

2.57ct G SI1 Oval Lab Grown Diamond

VG • G/SI1

Diamond specifications and retailer prices

From $2,489 USD
CA$3,457 CAD
As of November 2, 2026
2 retailers carry this diamond
Most expensive: $2,489 USD at Diamond Exchange Canada
View at Diamond Exchange Canada

About this 2.57ct lab-grown oval diamond

This 2.57ct lab-grown oval sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GCAL. Listed at 2 retailers as of November 2, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.57
Carat
G
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGCAL
Dimensions10.89 × 7.78 × 4.83 mm
L/W Ratio1.40
Top View
10.89 mm7.78 mm2.57 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL
Side View
Table 60.0%CrownGirdle: VTN-THKPavilionCuletDepth 62.1%

Caratlytics Score

How it works →
C
Average
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Price History

Last verified: Nov 2
Current: $2,489 USD|Low: $328 USD|High: $2,489 USD|Avg: $1,039 USD
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
October 16, 2026
Retailer 3$328 USD
Retailer 4$401 USD
Retailer 2$437 USD
Diamond Exchange Canada$2,489 USD

5 data points across 4 retailers

2 retailers

Retailer 1
-
$437 USD
Price last confirmed 8 days ago
Most Expensive
C
Diamond Exchange Canada
1986528120 · Nov 2
$2,489 USD
CA$3,457 CAD
View
1 more retailer has this diamond

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

C
2.57ct Oval
$2,489 USD