CaratHunter
Plans
Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG805666699

Shape and cutting style on the report: Round brilliant

Certificate IGI LG805666699

Diamond specifications and retailer prices

From $735 CAD
A$808 AUD
As of October 29, 2026
17 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 LG805666699 or 805666699. Listed at 17 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805666699
Dimensions7.36 × 7.29 × 4.48 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
7.36 mm7.29 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805666699
Side View
Table 61.0%Crown 34.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.1%

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: $309 CAD|Low: $223 CAD|High: $1,664 CAD|Avg: $735 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Reve Diamonds
October 21, 2026
Retailer 5$279 CAD
Retailer 1$309 CAD
Retailer 17$322 CAD
Retailer 7$344 CAD
Retailer 18$344 CAD
Retailer 13$572 CAD
Retailer 6$585 CAD
Retailer 11$596 CAD
Retailer 3$599 CAD
Retailer 12$603 CAD
Retailer 10$735 CAD
Retailer 4$809 CAD
Retailer 16$906 CAD
Retailer 14$1,029 CAD
Retailer 8$1,107 CAD
Retailer 2$1,182 CAD
Retailer 9$1,218 CAD
Retailer 15$1,619 CAD
Reve Diamonds$1,664 CAD

37 data points across 19 retailers

17 retailers

A
Retailer 1
-
$279 CAD
$199 USD
Price last confirmed 9 days ago
A
Retailer 2
-
$322 CAD
$230 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$344 CAD
$246 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$344 CAD
$246 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$585 CAD
$418 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$596 CAD
£335 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$599 CAD
$428 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$603 CAD
£339 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$735 CAD
A$808 AUD
View
B+
Retailer 10
-
$809 CAD
$578 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$906 CAD
$647 USD
View
Price last confirmed 8 days ago
B
Retailer 12
-
$1,029 CAD
$735 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$1,107 CAD
$791 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
$1,182 CAD
$845 USD
View
Price last confirmed 8 days ago
B
Retailer 15
-
$1,218 CAD
$870 USD
View
Price last confirmed 8 days ago
B
Retailer 16
-
$1,619 CAD
£911 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Reve Diamonds
DD05CB7DE · Oct 21
$1,664 CAD
$1,189 USD
View
Price last confirmed 8 days ago
16 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.

A
1.50ct Round
$735 CAD