CaratHunter
Plans
Oval|Lab Grown|IGI

2.57ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG618405396

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG618405396

Diamond specifications and retailer prices

From €332 EUR
$371 USD
As of October 25, 2026
Save €2,040 EUR (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,372 EUR at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 2.57ct lab-grown oval diamond

This 2.57ct lab-grown oval sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG618405396 or 618405396. Listed at 14 retailers as of October 25, 2026, with prices from €332 to €2,372, a €2,040 spread on the same certified stone. Brilliant Earth lists it at €2,372. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.57
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618405396
Dimensions10.87 × 7.80 × 4.87 mm
L/W Ratio1.39
Girdle conditionFaceted
Top View
10.87 mm7.80 mm2.57 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618405396
Side View
Table 61.0%Crown 35.9°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: €2,372 EUR|Low: €257 EUR|High: €2,667 EUR|Avg: €766 EUR|-11.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 26, 2026
Retailer 7€268 EUR
Retailer 10€311 EUR
Retailer 4€332 EUR
Retailer 15€332 EUR
Retailer 14€418 EUR
Retailer 9€501 EUR
Retailer 5€542 EUR
Retailer 2€577 EUR
Retailer 12€600 EUR
Retailer 3€669 EUR
Retailer 13€737 EUR
Retailer 11€1,020 EUR
Retailer 6€1,067 EUR
Retailer 8€1,331 EUR
Brilliant Earth€2,372 EUR

32 data points across 15 retailers

14 retailers€332 EUR to €2,372 EUR

Retailer 1
-
€268 EUR
$299 USD
Price last confirmed 9 days ago
Retailer 2
-
€311 EUR
$347 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
€332 EUR
$371 USD
View
A
Retailer 4
-
€332 EUR
$371 USD
View
Retailer 5
-
€418 EUR
£367 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
€501 EUR
$560 USD
View
B+
Retailer 7
-
€542 EUR
$606 USD
View
A
Retailer 8
-
€577 EUR
£508 GBP
View
A
Retailer 9
-
€669 EUR
$747 USD
View
B+
Retailer 10
-
€737 EUR
$823 USD
View
B+
Retailer 11
-
€1,020 EUR
$1,139 USD
View
Retailer 12
-
€1,067 EUR
$1,192 USD
View
Price last confirmed 7 days ago
B
Retailer 13
-
€1,331 EUR
£1,171 GBP
View
Most Expensive
B
Brilliant Earth
9066350A · Oct 26
€2,372 EUR
$2,650 USD
View
13 more retailers have this diamond
Prices start from €332 EURSave up to €2,040 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.

A
2.57ct Oval
€332 EUR