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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 $417 CAD
$298 USD
As of October 29, 2026
Save $3,306 CAD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,723 CAD 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 $417 to $3,723, a $3,306 spread on the same certified stone. Brilliant Earth lists it at $3,723. 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: $3,723 CAD|Low: $400 CAD|High: $4,171 CAD|Avg: $1,243 CAD|-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 30, 2026
Retailer 5$417 CAD
Retailer 10$484 CAD
Retailer 15$516 CAD
Retailer 16$516 CAD
Retailer 14$651 CAD
Retailer 3$784 CAD
Retailer 6$845 CAD
Retailer 2$917 CAD
Retailer 13$933 CAD
Retailer 7$1,044 CAD
Retailer 8$1,142 CAD
Retailer 11$1,589 CAD
Retailer 4$1,663 CAD
Retailer 9$2,074 CAD
Retailer 12$2,421 CAD
Brilliant Earth$3,723 CAD

41 data points across 16 retailers

16 retailers$417 CAD to $3,723 CAD

A
Cheapest Retailer
-
$417 CAD
$298 USD
A
Retailer 2
-
$484 CAD
$346 USD
View
A
Retailer 3
-
$516 CAD
$369 USD
View
A
Retailer 4
-
$516 CAD
$369 USD
View
Retailer 5
-
$651 CAD
£366 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
-
$784 CAD
$560 USD
View
B+
Retailer 7
-
$845 CAD
$604 USD
View
A
Retailer 8
-
$917 CAD
£516 GBP
View
A
Retailer 9
-
$933 CAD
€635 EUR
View
B+
Retailer 10
-
$1,044 CAD
$746 USD
View
B+
Retailer 11
-
$1,142 CAD
$816 USD
View
B
Retailer 12
-
$1,589 CAD
$1,135 USD
View
B+
Retailer 13
-
$1,663 CAD
$1,188 USD
View
B
Retailer 14
-
$2,074 CAD
£1,167 GBP
View
B
Retailer 15
-
$2,421 CAD
$1,730 USD
View
Most Expensive
B
Brilliant Earth
11363332A · Oct 29
$3,723 CAD
$2,660 USD
View
15 more retailers have this diamond
Prices start from $417 CADSave up to $3,306 CAD

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
$417 CAD