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Round|Lab Grown|IGI

1.50ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG499189131

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499189131

Diamond specifications and retailer prices

From $1,159 CAD
$830 USD
As of October 31, 2026
Save $5,233 CAD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,392 CAD at MOH London · As of November 1, 2026
View at MOH London

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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499189131 or 499189131. Listed at 10 retailers as of October 31, 2026, with prices from $1,159 to $6,392, a $5,233 spread on the same certified stone. MOH London lists it at $6,392. 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499189131
Dimensions7.29 × 7.24 × 4.59 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
7.29 mm7.24 mm1.50 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499189131
Side View
Table 56.5%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.2%

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 31
Current: $6,392 CAD|Low: $1,159 CAD|High: $6,477 CAD|Avg: $2,926 CAD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 2$1,159 CAD
Retailer 5$1,715 CAD
Retailer 8$1,866 CAD
Retailer 10$1,919 CAD
Retailer 6$1,989 CAD
Retailer 3$2,154 CAD
Retailer 11$2,805 CAD
Retailer 7$3,153 CAD
Retailer 9$3,728 CAD
Retailer 12$3,811 CAD
Retailer 4$4,454 CAD
MOH London$6,392 CAD

17 data points across 12 retailers

10 retailers$1,159 CAD to $6,392 CAD

A
Cheapest Retailer
-
$1,159 CAD
$830 USD
B+
Retailer 2
-
$1,715 CAD
$1,228 USD
View
B+
Retailer 3
-
$1,866 CAD
$1,336 USD
View
B+
Retailer 4
-
$1,919 CAD
$1,374 USD
View
Final sale: no returns
Retailer 5
-
$1,989 CAD
$1,424 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$1,989 CAD
$1,424 USD
View
B
Retailer 7
-
$3,153 CAD
$2,257 USD
View
B
Retailer 8
-
$3,728 CAD
$2,669 USD
View
B
Retailer 9
-
$3,811 CAD
$2,728 USD
View
Most Expensive
B
MOH London
LG499189131 · Nov 1
$6,392 CAD
£3,603 GBP
View
9 more retailers have this diamond
Prices start from $1,159 CADSave up to $5,233 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
$1,159 CAD