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Round|Lab Grown|IGI

1.50ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG804642988

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804642988

Diamond specifications and retailer prices

From $279 CAD
As of November 5, 2026
Save $1,342 CAD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,621 CAD at MOH London · As of November 2, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG804642988 or 804642988. Listed at 16 retailers as of November 2, 2026, with prices from $279 to $1,621, a $1,342 spread on the same certified stone. MOH London lists it at $1,621. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804642988
Dimensions7.45 × 7.38 × 4.50 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm7.38 mm1.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804642988
Side View
Table 58.0%Crown 33.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,621 CAD|Low: $279 CAD|High: $1,641 CAD|Avg: $800 CAD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$279 CAD
Retailer 8$346 CAD
Retailer 6$578 CAD
Retailer 9$602 CAD
Retailer 4$627 CAD
Retailer 10$704 CAD
Retailer 5$978 CAD
Retailer 2$1,117 CAD
Retailer 3$1,187 CAD
MOH London$1,621 CAD

42 data points across 10 retailers

16 retailers$279 CAD to $1,621 CAD

A
Cheapest Retailer
-
$279 CAD
A
Retailer 2
-
$324 CAD
View
Retailer 3
-
$346 CAD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$346 CAD
View
A
Retailer 5
-
$578 CAD
View
B+
Retailer 6
-
$602 CAD
View
A
Retailer 7
-
$627 CAD
View
A
Retailer 8
-
$630 CAD
View
B+
Retailer 9
-
$704 CAD
View
B+
Retailer 10
-
$978 CAD
View
Retailer 11
-
$1,006 CAD
View
Price last confirmed 19 days ago
B+
Retailer 12
-
$1,114 CAD
View
B
Retailer 13
-
$1,117 CAD
View
B
Retailer 14
-
$1,187 CAD
View
B
Retailer 15
-
$1,189 CAD
View
Most Expensive
B
MOH London
LG804642988 · Nov 2
$1,621 CAD
£914 GBP
View
15 more retailers have this diamond
Prices start from $279 CADSave up to $1,342 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
$279 CAD