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Round|Lab Grown|IGI

1.29ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG816613930

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816613930

Diamond specifications and retailer prices

From $243 CAD
As of November 5, 2026
Save $1,164 CAD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,407 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG816613930 or 816613930. Listed at 16 retailers as of November 5, 2026, with prices from $243 to $1,407, a $1,164 spread on the same certified stone. MOH London lists it at $1,407. 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

1.29
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816613930
Dimensions7.00 × 6.95 × 4.27 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
7.00 mm6.95 mm1.29 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816613930
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.1%

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: $1,407 CAD|Low: $243 CAD|High: $1,426 CAD|Avg: $663 CAD|-0.3%
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$243 CAD
Retailer 9$302 CAD
Retailer 2$517 CAD
Retailer 4$532 CAD
Retailer 10$536 CAD
Retailer 5$601 CAD
Retailer 3$668 CAD
Retailer 6$768 CAD
Retailer 8$824 CAD
MOH London$1,407 CAD

45 data points across 10 retailers

16 retailers$243 CAD to $1,407 CAD

A
Cheapest Retailer
-
$243 CAD
A
Retailer 2
-
$282 CAD
View
Retailer 3
-
$302 CAD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$302 CAD
View
A
Retailer 5
-
$517 CAD
View
A
Retailer 6
-
$532 CAD
View
B+
Retailer 7
-
$536 CAD
View
A
Retailer 8
-
$601 CAD
View
B+
Retailer 9
-
$645 CAD
View
A
Retailer 10
-
$668 CAD
View
B+
Retailer 11
-
$768 CAD
View
B+
Retailer 12
-
$824 CAD
View
B+
Retailer 13
-
$936 CAD
View
B
Retailer 14
-
$969 CAD
View
B+
Retailer 15
-
$1,045 CAD
View
Most Expensive
B
MOH London
LG816613930 · Nov 5
$1,407 CAD
£793 GBP
View
15 more retailers have this diamond
Prices start from $243 CADSave up to $1,164 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
1.29ct Round
$243 CAD