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Heart|Lab Grown|IGI

1.50ct E SI1 Heart Lab Grown Diamond

EX • E/SI1 • IGI LG741510153

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG741510153

Diamond specifications and retailer prices

From $315 AUD
$221 USD
As of October 30, 2026
Save $1,257 AUD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,571 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.5ct lab-grown heart diamond

This 1.5ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG741510153 or 741510153. Listed at 18 retailers as of October 29, 2026, with prices from $315 to $1,571, a $1,257 spread on the same certified stone. MOH London lists it at $1,571. 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

1.50
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741510153
Dimensions7.32 × 7.76 × 4.64 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.32 mm7.76 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741510153
Side View
Table 55.0%Crown 33.6°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 59.8%

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: Oct 30
Current: $1,571 AUD|Low: $198 AUD|High: $1,763 AUD|Avg: $801 AUD|-10.9%
MOH London
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
Retailer 18
October 31, 2026
Retailer 10$198 AUD
Retailer 13$315 AUD
Retailer 3$364 AUD
Retailer 6$390 AUD
Retailer 15$390 AUD
Retailer 8$393 AUD
Retailer 18$651 AUD
Retailer 17$666 AUD
Retailer 11$691 AUD
Retailer 2$719 AUD
Retailer 4$750 AUD
Retailer 9$775 AUD
Retailer 12$1,034 AUD
Retailer 16$1,253 AUD
Retailer 7$1,258 AUD
Retailer 5$1,328 AUD
Retailer 14$1,523 AUD
MOH London$1,571 AUD

44 data points across 18 retailers

18 retailers$315 AUD to $1,571 AUD

A
Cheapest Retailer
-
$315 AUD
$221 USD
A
Retailer 2
-
$364 AUD
$256 USD
View
A
Retailer 3
-
$390 AUD
$274 USD
View
A
Retailer 4
-
$390 AUD
$274 USD
View
A
Retailer 5
-
$393 AUD
$276 USD
View
Final sale: no returns
B+
Retailer 6
-
$651 AUD
$457 USD
View
B+
Retailer 7
-
$666 AUD
$468 USD
View
B+
Retailer 8
-
$691 AUD
€462 EUR
View
B+
Retailer 9
-
$719 AUD
£398 GBP
View
B+
Retailer 10
-
$750 AUD
$527 USD
View
B+
Retailer 11
-
$775 AUD
View
Retailer 12
-
$935 AUD
$657 USD
View
Price last confirmed 17 days ago
B
Retailer 13
-
$1,034 AUD
$726 USD
View
B
Retailer 14
-
$1,253 AUD
$880 USD
View
B
Retailer 15
-
$1,258 AUD
SGD 1,194 SGD
View
B
Retailer 16
-
$1,328 AUD
$933 USD
View
B
Retailer 17
-
$1,523 AUD
$1,070 USD
View
Most Expensive
B
MOH London
LG741510153 · Oct 29
$1,571 AUD
£869 GBP
View
17 more retailers have this diamond
Prices start from $315 AUDSave up to $1,257 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
1.50ct Heart
$315 AUD