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Round|Lab Grown|IGI

1.50ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG783628093

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783628093

Diamond specifications and retailer prices

From $300 AUD
$211 USD
As of October 26, 2026
Save $1,198 AUD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,499 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG783628093 or 783628093. Listed at 13 retailers as of October 26, 2026, with prices from $300 to $1,499, a $1,198 spread on the same certified stone. MOH London lists it at $1,499. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783628093
Dimensions7.44 × 7.48 × 4.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.44 mm7.48 mm1.50 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783628093
Side View
Table 59.0%Crown 31.8°Girdle: MediumPavilion 41°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $1,499 AUD|Low: $300 AUD|High: $1,499 AUD|Avg: $761 AUD
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
October 29, 2026
Retailer 7$300 AUD
Retailer 3$349 AUD
Retailer 4$373 AUD
Retailer 9$373 AUD
Retailer 5$470 AUD
Retailer 2$606 AUD
Retailer 11$797 AUD
Retailer 10$843 AUD
Retailer 6$968 AUD
Retailer 12$1,200 AUD
Retailer 8$1,204 AUD
Retailer 13$1,217 AUD
MOH London$1,499 AUD

9 data points across 13 retailers

13 retailers$300 AUD to $1,499 AUD

A
Cheapest Retailer
-
$300 AUD
$211 USD
A
Retailer 2
-
$349 AUD
$245 USD
View
A
Retailer 3
-
$373 AUD
$262 USD
View
A
Retailer 4
-
$373 AUD
$262 USD
View
B+
Retailer 5
-
$470 AUD
$330 USD
View
A
Retailer 6
-
$606 AUD
£335 GBP
View
A
Retailer 7
-
$797 AUD
$560 USD
View
A
Retailer 8
-
$843 AUD
$592 USD
View
A
Retailer 9
-
$968 AUD
$680 USD
View
A
Retailer 10
-
$1,200 AUD
$843 USD
View
A
Retailer 11
-
$1,204 AUD
$846 USD
View
A
Retailer 12
-
$1,217 AUD
SGD 1,155 SGD
View
Most Expensive
B+
MOH London
LG783628093 · Oct 26
$1,499 AUD
£829 GBP
View
12 more retailers have this diamond
Prices start from $300 AUDSave up to $1,198 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
$300 AUD