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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 $735 CAD
A$808 AUD
As of October 29, 2026
16 retailers carry this diamond
Most expensive: $1,664 CAD 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
Color
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: $309 CAD|Low: $223 CAD|High: $1,664 CAD|Avg: $810 CAD|+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$309 CAD
Retailer 12$322 CAD
Retailer 8$572 CAD
Retailer 3$585 CAD
Retailer 6$596 CAD
Retailer 2$599 CAD
Retailer 7$603 CAD
Retailer 5$735 CAD
Retailer 11$906 CAD
Retailer 9$1,029 CAD
Retailer 13$1,182 CAD
Retailer 4$1,218 CAD
Retailer 10$1,619 CAD
Reve Diamonds$1,664 CAD

34 data points across 14 retailers

16 retailers

Retailer 1
-
$279 CAD
$199 USD
Price last confirmed 9 days ago
Retailer 2
-
$322 CAD
$230 USD
View
Price last confirmed 10 days ago
Retailer 3
-
$344 CAD
$246 USD
View
Price last confirmed 13 days ago
Retailer 4
-
$344 CAD
$246 USD
View
Price last confirmed 11 days ago
Retailer 5
-
$585 CAD
$418 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$596 CAD
£335 GBP
View
Price last confirmed 9 days ago
Retailer 7
-
$599 CAD
$428 USD
View
Price last confirmed 8 days ago
Retailer 8
-
$603 CAD
£339 GBP
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$735 CAD
A$808 AUD
View
Retailer 10
-
$906 CAD
$647 USD
View
Price last confirmed 8 days ago
Retailer 11
-
$1,029 CAD
$735 USD
View
Price last confirmed 8 days ago
Retailer 12
-
$1,107 CAD
$791 USD
View
Price last confirmed 12 days ago
Retailer 13
-
$1,182 CAD
$845 USD
View
Price last confirmed 8 days ago
Retailer 14
-
$1,218 CAD
$870 USD
View
Price last confirmed 8 days ago
Retailer 15
-
$1,619 CAD
£911 GBP
View
Price last confirmed 8 days ago
Most Expensive
Reve Diamonds
BAF1ED542 · Oct 21
$1,664 CAD
$1,189 USD
View
Price last confirmed 8 days ago
15 more retailers have this diamond
Prices start from $735 CAD

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
$735 CAD