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Heart|Lab Grown|IGI

0.54ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG588353813

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG588353813

Diamond specifications and retailer prices

From $644 CAD
£363 GBP
As of October 29, 2026
3 retailers carry this diamond
Most expensive: $1,231 CAD at MOH London · As of October 1, 2026
View at MOH London

About this 0.54ct lab-grown heart diamond

This 0.54ct lab-grown heart sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG588353813 or 588353813. Listed at 3 retailers as of October 29, 2026. 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

0.54
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG588353813
Dimensions4.93 × 5.58 × 3.30 mm
L/W Ratio1.13
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
4.93 mm5.58 mm0.54 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG588353813
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 59.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $1,231 CAD|Low: $433 CAD|High: $1,231 CAD|Avg: $796 CAD|+1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 5, 2026
Retailer 2$443 CAD
Retailer 3$478 CAD
Retailer 4$679 CAD
Retailer 5$914 CAD
Retailer 6$1,132 CAD
MOH London$1,231 CAD

14 data points across 6 retailers

3 retailers

B
Cheapest Retailer
-
$644 CAD
£363 GBP
Retailer 2
-
$914 CAD
$655 USD
View
Price last confirmed 9 days ago
Most Expensive
MOH London
LG588353813 · Oct 1
$1,231 CAD
£694 GBP
View
Price last confirmed 30 days ago
2 more retailers have this diamond
Prices start from $644 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
0.54ct Heart
$644 CAD