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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 €391 EUR
$437 USD
As of October 25, 2026
Save €1,837 EUR (82%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €2,228 EUR at Diamond Exchange Canada · As of October 30, 2026
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 October 25, 2026, with prices from €391 to €2,228, a €1,837 spread on the same certified stone. Diamond Exchange Canada lists it at €2,228. 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 →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: €2,228 EUR|Low: €294 EUR|High: €2,228 EUR|Avg: €930 EUR
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
October 16, 2026
Retailer 3€294 EUR
Retailer 4€359 EUR
Retailer 2€391 EUR
Diamond Exchange Canada€2,228 EUR

5 data points across 4 retailers

2 retailers€391 EUR to €2,228 EUR

B+
Cheapest Retailer
-
€391 EUR
$437 USD
Most Expensive
C
Diamond Exchange Canada
1986528120 · Oct 30
€2,228 EUR
CA$3,457 CAD
View
1 more retailer has this diamond
Prices start from €391 EURSave up to €1,837 EUR

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.

B+
2.57ct Oval
€391 EUR