CaratHunter
Plans
Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG826640334

Shape and cutting style on the report: Round brilliant

Certificate IGI LG826640334

Diamond specifications and retailer prices

From $748 AUD
As of October 29, 2026
16 retailers carry this diamond
Most expensive: $1,692 AUD at Reve Diamonds · As of October 21, 2026
View at Reve Diamonds

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 LG826640334 or 826640334. Listed at 16 retailers as of October 29, 2026. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826640334
Dimensions7.37 × 7.31 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.37 mm7.31 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826640334
Side View
Table 53.0%Crown 33.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $315 AUD|Low: $226 AUD|High: $1,692 AUD|Avg: $823 AUD|+39.0%
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
Reve Diamonds
October 21, 2026
Retailer 1$315 AUD
Retailer 12$327 AUD
Retailer 8$581 AUD
Retailer 3$595 AUD
Retailer 6$606 AUD
Retailer 2$609 AUD
Retailer 7$613 AUD
Retailer 5$748 AUD
Retailer 11$921 AUD
Retailer 9$1,046 AUD
Retailer 13$1,203 AUD
Retailer 4$1,238 AUD
Retailer 10$1,647 AUD
Reve Diamonds$1,692 AUD

34 data points across 14 retailers

16 retailers

Retailer 1
-
$283 AUD
$199 USD
Price last confirmed 9 days ago
Retailer 2
-
$327 AUD
$230 USD
View
Price last confirmed 10 days ago
Retailer 3
-
$350 AUD
$246 USD
View
Price last confirmed 14 days ago
Retailer 4
-
$350 AUD
$246 USD
View
Price last confirmed 11 days ago
Retailer 5
-
$595 AUD
$418 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$606 AUD
£335 GBP
View
Price last confirmed 9 days ago
Retailer 7
-
$609 AUD
$428 USD
View
Price last confirmed 9 days ago
Retailer 8
-
$613 AUD
£339 GBP
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$748 AUD
View
Retailer 10
-
$921 AUD
$647 USD
View
Price last confirmed 8 days ago
Retailer 11
-
$1,046 AUD
$735 USD
View
Price last confirmed 8 days ago
Retailer 12
-
$1,126 AUD
$791 USD
View
Price last confirmed 12 days ago
Retailer 13
-
$1,203 AUD
$845 USD
View
Price last confirmed 9 days ago
Retailer 14
-
$1,238 AUD
$870 USD
View
Price last confirmed 8 days ago
Retailer 15
-
$1,647 AUD
£911 GBP
View
Price last confirmed 9 days ago
Most Expensive
Reve Diamonds
BAF1ED542 · Oct 21
$1,692 AUD
$1,189 USD
View
Price last confirmed 9 days ago
15 more retailers have this diamond
Prices start from $748 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.

B+
1.50ct Round
$748 AUD