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Oval|Lab Grown|IGI

2.56ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG645404808

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG645404808

Diamond specifications and retailer prices

From €267 EUR
$298 USD
As of October 29, 2026
Save €2,114 EUR (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €2,381 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.56ct lab-grown oval diamond

This 2.56ct 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 LG645404808 or 645404808. Listed at 16 retailers as of October 29, 2026, with prices from €267 to €2,381, a €2,114 spread on the same certified stone. Brilliant Earth lists it at €2,381. 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

2.56
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645404808
Dimensions11.08 × 7.78 × 4.82 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.08 mm7.78 mm2.56 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645404808
Side View
Table 61.0%Crown 35.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
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: Oct 29
Current: €2,381 EUR|Low: €256 EUR|High: €2,667 EUR|Avg: €790 EUR|-10.7%
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
October 31, 2026
Retailer 5€267 EUR
Retailer 10€310 EUR
Retailer 15€330 EUR
Retailer 16€330 EUR
Retailer 14€416 EUR
Retailer 3€501 EUR
Retailer 6€541 EUR
Retailer 2€586 EUR
Retailer 13€597 EUR
Retailer 7€668 EUR
Retailer 8€730 EUR
Retailer 11€1,016 EUR
Retailer 4€1,063 EUR
Retailer 9€1,327 EUR
Retailer 12€1,549 EUR
Brilliant Earth€2,381 EUR

40 data points across 16 retailers

16 retailers€267 EUR to €2,381 EUR

A
Cheapest Retailer
-
€267 EUR
$298 USD
A
Retailer 2
-
€310 EUR
$346 USD
View
A
Retailer 3
-
€330 EUR
$369 USD
View
A
Retailer 4
-
€330 EUR
$369 USD
View
Retailer 5
-
€416 EUR
£366 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
€501 EUR
$560 USD
View
B+
Retailer 7
-
€541 EUR
$604 USD
View
A
Retailer 8
-
€586 EUR
£516 GBP
View
Retailer 9
-
€597 EUR
View
Price last confirmed 8 days ago
B+
Retailer 10
-
€668 EUR
$746 USD
View
B+
Retailer 11
-
€730 EUR
$816 USD
View
B
Retailer 12
-
€1,016 EUR
$1,135 USD
View
B+
Retailer 13
-
€1,063 EUR
$1,188 USD
View
B
Retailer 14
-
€1,327 EUR
£1,167 GBP
View
B
Retailer 15
-
€1,549 EUR
$1,730 USD
View
Most Expensive
B
Brilliant Earth
11363332A · Oct 29
€2,381 EUR
$2,660 USD
View
15 more retailers have this diamond
Prices start from €267 EURSave up to €2,114 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
2.56ct Oval
€267 EUR