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Round|Lab Grown|IGI

1.27ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG656402458

Shape and cutting style on the report: Round brilliant

Certificate IGI LG656402458

Diamond specifications and retailer prices

From $209 CAD
As of November 5, 2026
Save $1,004 CAD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,213 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1.27ct lab-grown round diamond

This 1.27ct 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 LG656402458 or 656402458. Listed at 20 retailers as of November 4, 2026, with prices from $209 to $1,213, a $1,004 spread on the same certified stone. MOH London lists it at $1,213. 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

1.27
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG656402458
Dimensions7.08 × 7.01 × 4.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.08 mm7.01 mm1.27 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG656402458
Side View
Table 61.0%Crown 32.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.0%

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: Nov 5
Current: $1,213 CAD|Low: $209 CAD|High: $1,231 CAD|Avg: $609 CAD|-1.3%
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 6, 2026
Retailer 10$209 CAD
Retailer 12$260 CAD
Retailer 2$443 CAD
Retailer 3$478 CAD
Retailer 7$499 CAD
Retailer 5$503 CAD
Retailer 4$554 CAD
Retailer 8$642 CAD
Retailer 6$649 CAD
Retailer 11$824 CAD
Retailer 9$883 CAD
MOH London$1,213 CAD

42 data points across 12 retailers

20 retailers$209 CAD to $1,213 CAD

Retailer 1
-
$209 CAD
Price last confirmed 45 days ago
A
Retailer 2
-
$209 CAD
View
Retailer 3
-
$243 CAD
View
Price last confirmed 45 days ago
Retailer 4
-
$257 CAD
View
Price last confirmed 45 days ago
Retailer 5
-
$260 CAD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$260 CAD
View
A
Retailer 7
-
$443 CAD
View
B+
Retailer 8
-
$478 CAD
View
Retailer 9
-
$499 CAD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$503 CAD
View
A
Retailer 11
-
$554 CAD
View
B+
Retailer 12
-
$615 CAD
View
B+
Retailer 13
-
$642 CAD
View
B+
Retailer 14
-
$649 CAD
View
Retailer 15
-
$663 CAD
View
Price last confirmed 47 days ago
B
Retailer 16
-
$824 CAD
View
B
Retailer 17
-
$837 CAD
View
Retailer 18
-
$837 CAD
View
Price last confirmed 46 days ago
B+
Retailer 19
-
$883 CAD
View
Most Expensive
B
MOH London
LG656402458 · Nov 4
$1,213 CAD
£684 GBP
View
19 more retailers have this diamond
Prices start from $209 CADSave up to $1,004 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
1.27ct Round
$209 CAD