CaratHunter
Plans
Round|Lab Grown|IGI

1.50ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG496138964

Shape and cutting style on the report: Round brilliant

Certificate IGI LG496138964

Diamond specifications and retailer prices

From $401 AUD
$282 USD
As of October 29, 2026
Save $1,375 AUD (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,776 AUD at The Diamond Guys · As of October 29, 2026
View at The Diamond Guys

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG496138964 or 496138964. Listed at 15 retailers as of October 29, 2026, with prices from $401 to $1,776, a $1,375 spread on the same certified stone. The Diamond Guys lists it at $1,776. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496138964
Dimensions7.24 × 7.29 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.24 mm7.29 mm1.50 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496138964
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

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 29
Current: $576 AUD|Low: $401 AUD|High: $1,776 AUD|Avg: $990 AUD|-11.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
The Diamond Guys
October 30, 2026
Retailer 11$401 AUD
Retailer 9$465 AUD
Retailer 8$497 AUD
Retailer 12$497 AUD
Retailer 1$576 AUD
Retailer 6$858 AUD
Retailer 3$939 AUD
Retailer 7$975 AUD
Retailer 10$975 AUD
Retailer 4$1,015 AUD
Retailer 5$1,158 AUD
Retailer 2$1,529 AUD
Retailer 13$1,765 AUD
The Diamond Guys$1,776 AUD

14 data points across 14 retailers

15 retailers$401 AUD to $1,776 AUD

A
Cheapest Retailer
-
$401 AUD
$282 USD
A
Retailer 2
-
$465 AUD
$327 USD
View
A
Retailer 3
-
$497 AUD
$349 USD
View
A
Retailer 4
-
$497 AUD
$349 USD
View
A
Retailer 5
-
$576 AUD
$405 USD
View
B+
Retailer 6
-
$858 AUD
£475 GBP
View
B+
Retailer 7
-
$939 AUD
$660 USD
View
B+
Retailer 8
-
$975 AUD
£539 GBP
View
B+
Retailer 9
-
$975 AUD
$685 USD
View
B
Retailer 10
-
$1,015 AUD
$713 USD
View
B
Retailer 11
-
$1,158 AUD
$814 USD
View
B
Retailer 12
-
$1,529 AUD
$1,074 USD
View
B
Retailer 13
-
$1,722 AUD
$1,210 USD
View
B
Retailer 14
-
$1,765 AUD
$1,240 USD
View
Most Expensive
B
The Diamond Guys
1993598798 · Oct 29
$1,776 AUD
$1,248 USD
View
14 more retailers have this diamond
Prices start from $401 AUDSave up to $1,375 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
$401 AUD