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Heart|Lab Grown|IGI

1.27ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG659468456

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG659468456

Diamond specifications and retailer prices

From $210 CAD
$150 USD
As of October 30, 2026
Save $1,015 CAD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,225 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.27ct lab-grown heart diamond

This 1.27ct lab-grown heart 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 LG659468456 or 659468456. Listed at 14 retailers as of October 29, 2026, with prices from $210 to $1,225, a $1,015 spread on the same certified stone. MOH London lists it at $1,225. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG659468456
Dimensions7.53 × 6.62 × 4.48 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.53 mm6.62 mm1.27 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG659468456
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.5%

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 30
Current: $1,225 CAD|Low: $202 CAD|High: $1,234 CAD|Avg: $545 CAD|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 11$210 CAD
Retailer 3$244 CAD
Retailer 5$260 CAD
Retailer 12$260 CAD
Retailer 9$340 CAD
Retailer 2$453 CAD
Retailer 14$479 CAD
Retailer 7$508 CAD
Retailer 4$592 CAD
Retailer 6$616 CAD
Retailer 8$644 CAD
Retailer 13$838 CAD
Retailer 10$885 CAD
MOH London$1,225 CAD

42 data points across 14 retailers

14 retailers$210 CAD to $1,225 CAD

A
Cheapest Retailer
-
$210 CAD
$150 USD
A
Retailer 2
-
$244 CAD
$174 USD
View
A
Retailer 3
-
$260 CAD
$186 USD
View
A
Retailer 4
-
$260 CAD
$186 USD
View
Retailer 5
-
$340 CAD
£191 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
-
$453 CAD
£255 GBP
View
B+
Retailer 7
-
$479 CAD
$342 USD
View
A
Retailer 8
-
$508 CAD
£286 GBP
View
B+
Retailer 9
-
$592 CAD
$423 USD
View
B+
Retailer 10
-
$616 CAD
$440 USD
View
B+
Retailer 11
-
$644 CAD
A$708 AUD
View
B+
Retailer 12
-
$838 CAD
$599 USD
View
B
Retailer 13
-
$885 CAD
$632 USD
View
Most Expensive
B
MOH London
LG659468456 · Oct 29
$1,225 CAD
£689 GBP
View
13 more retailers have this diamond
Prices start from $210 CADSave up to $1,015 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 Heart
$210 CAD