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Heart|Lab Grown|IGI

1.00ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG813619747

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG813619747

Diamond specifications and retailer prices

From $419 CAD
As of November 6, 2026
Save $835 CAD (67%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,254 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG813619747 or 813619747. Listed at 10 retailers as of November 1, 2026, with prices from $419 to $1,254, a $835 spread on the same certified stone. MOH London lists it at $1,254. 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

1.00
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813619747
Dimensions6.97 × 6.12 × 4.08 mm
L/W Ratio1.14
Girdle conditionFaceted
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
6.97 mm6.12 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813619747
Side View
Table 61.0%Crown 35.5°Girdle: STK-THKPavilion 41°Culet: NoneDepth 58.5%

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: Nov 6
Current: $1,254 CAD|Low: $440 CAD|High: $1,254 CAD|Avg: $748 CAD|+1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$461 CAD
Retailer 7$489 CAD
Retailer 8$509 CAD
Retailer 4$647 CAD
Retailer 3$712 CAD
Retailer 5$715 CAD
Retailer 6$802 CAD
Retailer 9$938 CAD
MOH London$1,254 CAD

43 data points across 9 retailers

10 retailers$419 CAD to $1,254 CAD

A
Cheapest Retailer
-
$419 CAD
A
Retailer 2
-
$461 CAD
View
A
Retailer 3
-
$489 CAD
View
A
Retailer 4
-
$509 CAD
View
B+
Retailer 5
-
$647 CAD
View
B+
Retailer 6
-
$712 CAD
View
B+
Retailer 7
-
$715 CAD
View
B+
Retailer 8
-
$802 CAD
View
B+
Retailer 9
-
$938 CAD
View
Most Expensive
B
MOH London
LG813619747 · Nov 1
$1,254 CAD
£702 GBP
View
9 more retailers have this diamond
Prices start from $419 CADSave up to $835 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
1.00ct Heart
$419 CAD