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Heart|Lab Grown|IGI

1.49ct E SI1 Heart Lab Grown Diamond

EX • E/SI1 • IGI LG733545388

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG733545388

Diamond specifications and retailer prices

From $645 AUD
$453 USD
As of October 30, 2026
Save $859 AUD (57%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,504 AUD at MOH London · As of October 25, 2026
View at MOH London

About this 1.49ct lab-grown heart diamond

This 1.49ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG733545388 or 733545388. Listed at 5 retailers as of October 25, 2026, with prices from $645 to $1,504, a $859 spread on the same certified stone. MOH London lists it at $1,504. 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

1.49
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle40.2°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733545388
Dimensions6.84 × 7.93 × 4.65 mm
L/W Ratio1.16
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.84 mm7.93 mm1.49 ctE / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG733545388
Side View
Table 61.0%Crown 40.2°Girdle: STK-THKPavilion 37.1°Culet: NoneDepth 58.6%

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: $1,504 AUD|Low: $632 AUD|High: $1,521 AUD|Avg: $895 AUD|+1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 4$645 AUD
Retailer 2$688 AUD
Retailer 5$826 AUD
Retailer 3$843 AUD
MOH London$1,504 AUD

30 data points across 5 retailers

5 retailers$645 AUD to $1,504 AUD

A
Cheapest Retailer
-
$645 AUD
$453 USD
B+
Retailer 2
-
$688 AUD
£381 GBP
View
B+
Retailer 3
-
$826 AUD
$580 USD
View
B+
Retailer 4
-
$843 AUD
$592 USD
View
Most Expensive
B
MOH London
LG733545388 · Oct 25
$1,504 AUD
£832 GBP
View
4 more retailers have this diamond
Prices start from $645 AUDSave up to $859 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
1.49ct Heart
$645 AUD