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Heart|Lab Grown|IGI

1.01ct J SI1 Heart Lab Grown Diamond

ID • J/SI1 • IGI LG436073557

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG436073557

Diamond specifications and retailer prices

From $858 CAD
As of November 6, 2026
Save $4,176 CAD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,034 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1.01ct lab-grown heart diamond

This 1.01ct lab-grown heart sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436073557 or 436073557. Listed at 11 retailers as of November 5, 2026, with prices from $858 to $5,034, a $4,176 spread on the same certified stone. MOH London lists it at $5,034. 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

1.01
Carat
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.8°
Pavilion angle43.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436073557
Dimensions6.85 × 6.23 × 4.10 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Top View
6.85 mm6.23 mm1.01 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436073557
Side View
Table 61.0%Crown 35.8°Girdle: MED-VTKPavilion 43.4°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,034 CAD|Low: $858 CAD|High: $5,109 CAD|Avg: $2,468 CAD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 2$858 CAD
Retailer 4$1,283 CAD
Retailer 7$1,436 CAD
Retailer 5$1,488 CAD
Retailer 8$1,737 CAD
Retailer 9$2,175 CAD
Retailer 6$2,387 CAD
Retailer 3$3,311 CAD
Retailer 10$4,262 CAD
MOH London$5,034 CAD

12 data points across 10 retailers

11 retailers$858 CAD to $5,034 CAD

B+
Cheapest Retailer
-
$858 CAD
B+
Retailer 2
-
$1,283 CAD
View
B
Retailer 3
-
$1,395 CAD
View
B
Retailer 4
-
$1,436 CAD
View
Final sale: no returns
B
Retailer 5
-
$1,488 CAD
View
Retailer 6
-
$1,488 CAD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$1,737 CAD
View
B
Retailer 8
-
$2,387 CAD
View
B
Retailer 9
-
$3,311 CAD
View
C
Retailer 10
-
$4,185 CAD
View
Most Expensive
B
MOH London
LG436073557 · Nov 5
$5,034 CAD
£2,818 GBP
View
10 more retailers have this diamond
Prices start from $858 CADSave up to $4,176 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.

B+
1.01ct Heart
$858 CAD