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Heart|Lab Grown|IGI

1.54ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG598311827

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG598311827

Diamond specifications and retailer prices

From $333 CAD
As of November 4, 2026
Save $1,453 CAD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,786 CAD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.54ct lab-grown heart diamond

This 1.54ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG598311827 or 598311827. Listed at 16 retailers as of November 4, 2026, with prices from $333 to $1,786, a $1,453 spread on the same certified stone. Brilliant Earth lists it at $1,786. 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

1.54
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598311827
Dimensions8.00 × 6.85 × 4.75 mm
L/W Ratio1.17
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
8.00 mm6.85 mm1.54 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598311827
Side View
Table 60.0%Crown 36.8°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 59.4%

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 4
Current: $1,786 CAD|Low: $321 CAD|High: $4,283 CAD|Avg: $1,083 CAD|-3.1%
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 15$333 CAD
Retailer 17$385 CAD
Retailer 10$387 CAD
Retailer 14$414 CAD
Retailer 4$485 CAD
Retailer 3$584 CAD
Retailer 6$734 CAD
Retailer 5$768 CAD
Retailer 11$774 CAD
Retailer 8$904 CAD
Retailer 9$1,160 CAD
Retailer 2$1,329 CAD
Retailer 16$1,333 CAD
Retailer 7$1,398 CAD
Retailer 13$1,506 CAD
Retailer 12$1,657 CAD
Brilliant Earth$1,786 CAD

45 data points across 17 retailers

16 retailers$333 CAD to $1,786 CAD

A
Cheapest Retailer
-
$333 CAD
A
Retailer 2
-
$385 CAD
View
Final sale: no returns
A
Retailer 3
-
$387 CAD
View
A
Retailer 4
-
$414 CAD
View
A
Retailer 5
-
$485 CAD
View
B+
Retailer 6
-
$584 CAD
View
B+
Retailer 7
-
$734 CAD
View
B+
Retailer 8
-
$768 CAD
View
B+
Retailer 9
-
$774 CAD
View
B+
Retailer 10
-
$904 CAD
View
B
Retailer 11
-
$1,329 CAD
View
B
Retailer 12
-
$1,333 CAD
View
B
Retailer 13
-
$1,398 CAD
View
B
Retailer 14
-
$1,506 CAD
View
B
Retailer 15
-
$1,657 CAD
View
Most Expensive
B
Brilliant Earth
8062596A · Nov 6
$1,786 CAD
$1,270 USD
View
15 more retailers have this diamond
Prices start from $333 CADSave up to $1,453 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
1.54ct Heart
$333 CAD