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Round|Lab Grown|IGI

1.26ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG758581221

Shape and cutting style on the report: Round brilliant

Certificate IGI LG758581221

Diamond specifications and retailer prices

From $229 CAD
As of November 1, 2026
Save $1,099 CAD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,328 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 1.26ct lab-grown round diamond

This 1.26ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG758581221 or 758581221. Listed at 11 retailers as of November 1, 2026, with prices from $229 to $1,328, a $1,099 spread on the same certified stone. MOH London lists it at $1,328. 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

1.26
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758581221
Dimensions6.87 × 6.84 × 4.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.87 mm6.84 mm1.26 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758581221
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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: $1,328 CAD|Low: $228 CAD|High: $1,391 CAD|Avg: $579 CAD|-4.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 7$229 CAD
Retailer 8$257 CAD
Retailer 12$293 CAD
Retailer 2$489 CAD
Retailer 5$497 CAD
Retailer 11$511 CAD
Retailer 10$554 CAD
Retailer 9$635 CAD
Retailer 4$663 CAD
Retailer 6$732 CAD
Retailer 3$824 CAD
MOH London$1,328 CAD

34 data points across 12 retailers

11 retailers$229 CAD to $1,328 CAD

A
Cheapest Retailer
-
$229 CAD
Retailer 2
-
$293 CAD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$489 CAD
View
A
Retailer 4
-
$497 CAD
View
B+
Retailer 5
-
$511 CAD
View
A
Retailer 6
-
$554 CAD
View
B+
Retailer 7
-
$635 CAD
View
Retailer 8
-
$663 CAD
View
Price last confirmed 40 days ago
B+
Retailer 9
-
$732 CAD
View
B
Retailer 10
-
$824 CAD
View
Most Expensive
B
MOH London
LG758581221 · Nov 2
$1,328 CAD
£749 GBP
View
10 more retailers have this diamond
Prices start from $229 CADSave up to $1,099 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
1.26ct Round
$229 CAD