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Heart|Lab Grown|IGI

1.50ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG833630818

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG833630818

Diamond specifications and retailer prices

From $625 AUD
$439 USD
As of October 30, 2026
Save $1,065 AUD (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,690 AUD at MOH London · As of October 26, 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 LG833630818 or 833630818. Listed at 6 retailers as of October 26, 2026, with prices from $625 to $1,690, a $1,065 spread on the same certified stone. MOH London lists it at $1,690. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833630818
Dimensions7.82 × 6.71 × 5.04 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.82 mm6.71 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833630818
Side View
Table 61.0%Crown 35.3°Girdle: STK-THKPavilion 42.6°Culet: NoneDepth 64.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,690 AUD|Low: $465 AUD|High: $1,707 AUD|Avg: $857 AUD|+14.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 4$465 AUD
Retailer 5$625 AUD
Retailer 6$642 AUD
Retailer 2$665 AUD
Retailer 3$1,166 AUD
MOH London$1,690 AUD

40 data points across 6 retailers

6 retailers$625 AUD to $1,690 AUD

Retailer 1
-
$465 AUD
£257 GBP
Price last confirmed 14 days ago
B+
Retailer 2
-
$625 AUD
$439 USD
View
B+
Retailer 3
-
$642 AUD
$451 USD
View
B+
Retailer 4
-
$665 AUD
£368 GBP
View
B
Retailer 5
-
$1,166 AUD
$819 USD
View
Most Expensive
B
MOH London
LG833630818 · Oct 26
$1,690 AUD
£935 GBP
View
5 more retailers have this diamond
Prices start from $625 AUDSave up to $1,065 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.

B+
1.50ct Heart
$625 AUD