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Oval|Lab Grown|IGI

2.57ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG623419092

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG623419092

Diamond specifications and retailer prices

From €257 EUR
$288 USD
As of November 1, 2026
Save €1,919 EUR (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,175 EUR at Brilliant Earth · As of November 2, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG623419092 or 623419092. Listed at 15 retailers as of November 1, 2026, with prices from €257 to €2,175, a €1,919 spread on the same certified stone. Brilliant Earth lists it at €2,175. 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
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623419092
Dimensions11.31 × 7.74 × 4.76 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Top View
11.31 mm7.74 mm2.57 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623419092
Side View
Table 61.0%Crown 35.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €2,175 EUR|Low: €246 EUR|High: €2,327 EUR|Avg: €785 EUR|-6.5%
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
Retailer 16
November 2, 2026
Retailer 8€257 EUR
Retailer 12€298 EUR
Retailer 3€318 EUR
Retailer 5€318 EUR
Retailer 16€395 EUR
Retailer 10€459 EUR
Retailer 6€522 EUR
Retailer 9€550 EUR
Retailer 2€562 EUR
Retailer 4€654 EUR
Retailer 15€719 EUR
Retailer 13€977 EUR
Retailer 7€1,023 EUR
Retailer 11€1,282 EUR
Retailer 14€1,591 EUR
Brilliant Earth€2,175 EUR

39 data points across 16 retailers

15 retailers€257 EUR to €2,175 EUR

A
Cheapest Retailer
-
€257 EUR
$288 USD
A
Retailer 2
-
€298 EUR
$334 USD
View
Retailer 3
-
€318 EUR
$357 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
€318 EUR
$357 USD
View
A
Retailer 5
-
€459 EUR
$515 USD
View
B+
Retailer 6
-
€522 EUR
$586 USD
View
A
Retailer 7
-
€550 EUR
View
A
Retailer 8
-
€562 EUR
£497 GBP
View
A
Retailer 9
-
€654 EUR
$734 USD
View
A
Retailer 10
-
€719 EUR
$806 USD
View
B+
Retailer 11
-
€977 EUR
$1,096 USD
View
B+
Retailer 12
-
€1,023 EUR
$1,147 USD
View
B+
Retailer 13
-
€1,282 EUR
£1,132 GBP
View
B
Retailer 14
-
€1,591 EUR
$1,785 USD
View
Most Expensive
B
Brilliant Earth
9395881A · Nov 2
€2,175 EUR
$2,440 USD
View
14 more retailers have this diamond
Prices start from €257 EURSave up to €1,919 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
€257 EUR