CaratHunter
Plans
Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG776623440

Shape and cutting style on the report: Round brilliant

Certificate IGI LG776623440

Diamond specifications and retailer prices

From $286 CAD
As of November 1, 2026
Save $1,697 CAD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,983 CAD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

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 LG776623440 or 776623440. Listed at 17 retailers as of November 1, 2026, with prices from $286 to $1,983, a $1,697 spread on the same certified stone. Brilliant Earth lists it at $1,983. 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 angle36°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776623440
Dimensions7.28 × 7.24 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.28 mm7.24 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776623440
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.4%

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: Nov 1
Current: $1,983 CAD|Low: $274 CAD|High: $1,983 CAD|Avg: $816 CAD
Brilliant Earth
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
November 6, 2026
Retailer 13$286 CAD
Retailer 3$355 CAD
Retailer 14$355 CAD
Retailer 2$433 CAD
Retailer 8$573 CAD
Retailer 6$587 CAD
Retailer 11$651 CAD
Retailer 5$711 CAD
Retailer 12$723 CAD
Retailer 10$1,027 CAD
Retailer 7$1,088 CAD
Retailer 4$1,140 CAD
Retailer 9$1,494 CAD
Brilliant Earth$1,983 CAD

45 data points across 14 retailers

17 retailers$286 CAD to $1,983 CAD

Retailer 1
-
$286 CAD
Price last confirmed 44 days ago
A
Retailer 2
-
$286 CAD
View
Retailer 3
-
$331 CAD
View
Price last confirmed 45 days ago
Retailer 4
-
$351 CAD
View
Price last confirmed 42 days ago
A
Retailer 5
-
$355 CAD
View
Retailer 6
-
$355 CAD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$433 CAD
View
A
Retailer 8
-
$573 CAD
View
A
Retailer 9
-
$587 CAD
View
B+
Retailer 10
-
$651 CAD
View
B+
Retailer 11
-
$711 CAD
View
B+
Retailer 12
-
$723 CAD
View
B+
Retailer 13
-
$1,027 CAD
View
B+
Retailer 14
-
$1,088 CAD
View
B
Retailer 15
-
$1,140 CAD
View
B
Retailer 16
-
$1,494 CAD
View
Most Expensive
B
Brilliant Earth
21117473A · Nov 5
$1,983 CAD
$1,420 USD
View
16 more retailers have this diamond
Prices start from $286 CADSave up to $1,697 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
$286 CAD