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Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG805618443

Shape and cutting style on the report: Round brilliant

Certificate IGI LG805618443

Diamond specifications and retailer prices

From $275 AUD
$193 USD
As of October 26, 2026
Save $1,323 AUD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,598 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round 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 LG805618443 or 805618443. Listed at 18 retailers as of October 26, 2026, with prices from $275 to $1,598, a $1,323 spread on the same certified stone. MOH London lists it at $1,598. 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 angle33.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805618443
Dimensions7.34 × 7.26 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.34 mm7.26 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805618443
Side View
Table 58.0%Crown 33.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.0%

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 26
Current: $1,598 AUD|Low: $275 AUD|High: $1,708 AUD|Avg: $747 AUD|+9.1%
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 29, 2026
Retailer 6$275 AUD
Retailer 18$307 AUD
Retailer 17$319 AUD
Retailer 3$342 AUD
Retailer 16$383 AUD
Retailer 2$554 AUD
Retailer 13$591 AUD
Retailer 7$596 AUD
Retailer 15$611 AUD
Retailer 14$617 AUD
Retailer 9$707 AUD
Retailer 5$775 AUD
Retailer 4$877 AUD
Retailer 11$1,039 AUD
Retailer 8$1,097 AUD
Retailer 12$1,101 AUD
Retailer 10$1,238 AUD
MOH London$1,598 AUD

37 data points across 18 retailers

18 retailers$275 AUD to $1,598 AUD

A
Cheapest Retailer
-
$275 AUD
$193 USD
A
Retailer 2
-
$307 AUD
$216 USD
View
Final sale: no returns
A
Retailer 3
-
$319 AUD
$224 USD
View
A
Retailer 4
-
$342 AUD
$240 USD
View
A
Retailer 5
-
$383 AUD
HK$2,100 HKD
View
A
Retailer 6
-
$554 AUD
€371 EUR
View
A
Retailer 7
-
$591 AUD
£327 GBP
View
B+
Retailer 8
-
$596 AUD
$419 USD
View
A
Retailer 9
-
$611 AUD
$429 USD
View
A
Retailer 10
-
$617 AUD
£341 GBP
View
A
Retailer 11
-
$707 AUD
$497 USD
View
B+
Retailer 12
-
$775 AUD
View
B+
Retailer 13
-
$877 AUD
$616 USD
View
B+
Retailer 14
-
$1,039 AUD
$730 USD
View
B+
Retailer 15
-
$1,097 AUD
$771 USD
View
B+
Retailer 16
-
$1,101 AUD
SGD 1,045 SGD
View
B
Retailer 17
-
$1,238 AUD
$870 USD
View
Most Expensive
B
MOH London
LG805618443 · Oct 26
$1,598 AUD
£884 GBP
View
17 more retailers have this diamond
Prices start from $275 AUDSave up to $1,323 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 Round
$275 AUD