Round|Lab Grown|IGI

1.03ct H SI2 Round Lab Grown Diamond

ID • H/SI2 • IGI LG492123228

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492123228

Diamond specifications and retailer prices

From $757 CAD
As of November 5, 2026
Save $3,149 CAD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,906 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492123228 or 492123228. Listed at 10 retailers as of November 5, 2026, with prices from $757 to $3,906, a $3,149 spread on the same certified stone. MOH London lists it at $3,906. 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

1.03
Carat
H
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492123228
Dimensions6.49 × 6.46 × 4.02 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.49 mm6.46 mm1.03 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492123228
Side View
Table 57.5%Crown 34.7°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.1%

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: Nov 5
Current: $3,906 CAD|Low: $726 CAD|High: $3,962 CAD|Avg: $1,576 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4$757 CAD
Retailer 2$824 CAD
Retailer 9$926 CAD
Retailer 5$939 CAD
Retailer 7$939 CAD
Retailer 8$1,029 CAD
Retailer 6$1,448 CAD
Retailer 10$1,962 CAD
Retailer 3$2,420 CAD
MOH London$3,906 CAD

15 data points across 10 retailers

10 retailers$757 CAD to $3,906 CAD

A
Cheapest Retailer
-
$757 CAD
A
Retailer 2
-
$824 CAD
View
A
Retailer 3
-
$848 CAD
View
Retailer 4
-
$939 CAD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$939 CAD
View
A
Retailer 6
-
$1,029 CAD
View
Final sale: no returns
B+
Retailer 7
-
$1,448 CAD
View
B
Retailer 8
-
$2,420 CAD
View
B
Retailer 9
-
$2,468 CAD
View
Most Expensive
B
MOH London
LG492123228 · Nov 5
$3,906 CAD
£2,202 GBP
View
9 more retailers have this diamond
Prices start from $757 CADSave up to $3,149 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
1.03ct Round
$757 CAD