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Round|Lab Grown|IGI

1.50ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG828643490

Shape and cutting style on the report: Round brilliant

Certificate IGI LG828643490

Diamond specifications and retailer prices

From $366 AUD
As of November 6, 2026
Save $1,156 AUD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,522 AUD at MOH London · As of November 5, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG828643490 or 828643490. Listed at 15 retailers as of November 5, 2026, with prices from $366 to $1,522, a $1,156 spread on the same certified stone. MOH London lists it at $1,522. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828643490
Dimensions7.39 × 7.37 × 4.52 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.39 mm7.37 mm1.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828643490
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.2%

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: Nov 6
Current: $1,522 AUD|Low: $366 AUD|High: $1,582 AUD|Avg: $818 AUD|-3.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9$366 AUD
Retailer 2$536 AUD
Retailer 7$574 AUD
Retailer 4$577 AUD
Retailer 5$583 AUD
Retailer 3$654 AUD
Retailer 11$1,014 AUD
Retailer 8$1,070 AUD
Retailer 6$1,109 AUD
Retailer 10$1,214 AUD
MOH London$1,522 AUD

41 data points across 11 retailers

15 retailers$366 AUD to $1,522 AUD

Retailer 1
-
$267 AUD
Price last confirmed 27 days ago
Retailer 2
-
$309 AUD
View
Price last confirmed 24 days ago
Retailer 3
-
$330 AUD
View
Price last confirmed 38 days ago
A
Retailer 4
-
$366 AUD
View
A
Retailer 5
-
$536 AUD
View
B+
Retailer 6
-
$574 AUD
View
A
Retailer 7
-
$577 AUD
View
A
Retailer 8
-
$583 AUD
View
A
Retailer 9
-
$654 AUD
View
Retailer 10
-
$1,014 AUD
View
Price last confirmed 12 days ago
Retailer 11
-
$1,063 AUD
View
Price last confirmed 30 days ago
B
Retailer 12
-
$1,070 AUD
View
B
Retailer 13
-
$1,109 AUD
View
B
Retailer 14
-
$1,214 AUD
View
Most Expensive
B
MOH London
LG828643490 · Nov 5
$1,522 AUD
£839 GBP
View
14 more retailers have this diamond
Prices start from $366 AUDSave up to $1,156 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
$366 AUD