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Heart|Lab Grown|IGI

1.53ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG506196762

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG506196762

Diamond specifications and retailer prices

From $346 AUD
As of November 6, 2026
Save $1,193 AUD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,540 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.53ct lab-grown heart diamond

This 1.53ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG506196762 or 506196762. Listed at 11 retailers as of November 2, 2026, with prices from $346 to $1,540, a $1,193 spread on the same certified stone. MOH London lists it at $1,540. 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

1.53
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG506196762
Dimensions8.08 × 6.77 × 4.69 mm
L/W Ratio1.19
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
8.08 mm6.77 mm1.53 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG506196762
Side View
Table 61.5%Crown 36.8°Girdle: THK-VTKPavilion 37.9°Culet: NoneDepth 58.0%

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 6
Current: $1,540 AUD|Low: $346 AUD|High: $1,558 AUD|Avg: $835 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$346 AUD
Retailer 6$384 AUD
Retailer 7$517 AUD
Retailer 5$696 AUD
Retailer 2$703 AUD
Retailer 3$792 AUD
Retailer 4$1,239 AUD
Retailer 9$1,311 AUD
MOH London$1,540 AUD

41 data points across 9 retailers

11 retailers$346 AUD to $1,540 AUD

Retailer 1
-
$297 AUD
Price last confirmed 33 days ago
A
Retailer 2
-
$346 AUD
View
Final sale: no returns
Retailer 3
-
$378 AUD
View
Price last confirmed 43 days ago
Retailer 4
-
$384 AUD
View
Price last confirmed 35 days ago
B+
Retailer 5
-
$517 AUD
View
A
Retailer 6
-
$696 AUD
View
B+
Retailer 7
-
$703 AUD
View
B+
Retailer 8
-
$792 AUD
View
B
Retailer 9
-
$1,239 AUD
View
B
Retailer 10
-
$1,311 AUD
View
Most Expensive
B
MOH London
LG506196762 · Nov 2
$1,540 AUD
£833 GBP
View
10 more retailers have this diamond
Prices start from $346 AUDSave up to $1,193 AUD

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
1.53ct Heart
$346 AUD