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Round|Lab Grown|IGI

1.30ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG770639391

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770639391

Diamond specifications and retailer prices

From $242 CAD
As of November 5, 2026
Save $1,158 CAD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,399 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770639391 or 770639391. Listed at 16 retailers as of November 5, 2026, with prices from $242 to $1,399, a $1,158 spread on the same certified stone. MOH London lists it at $1,399. 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

1.30
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770639391
Dimensions6.99 × 7.04 × 4.29 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.99 mm7.04 mm1.30 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770639391
Side View
Table 59.0%Crown 34.3°Girdle: MediumPavilion 41°Culet: NoneDepth 61.3%

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: $1,399 CAD|Low: $242 CAD|High: $1,419 CAD|Avg: $673 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$242 CAD
Retailer 8$300 CAD
Retailer 2$515 CAD
Retailer 4$529 CAD
Retailer 9$536 CAD
Retailer 10$652 CAD
Retailer 5$740 CAD
Retailer 3$838 CAD
Retailer 6$1,018 CAD
MOH London$1,399 CAD

45 data points across 10 retailers

16 retailers$242 CAD to $1,399 CAD

A
Cheapest Retailer
-
$242 CAD
A
Retailer 2
-
$281 CAD
View
A
Retailer 3
-
$300 CAD
View
Retailer 4
-
$300 CAD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$515 CAD
View
A
Retailer 6
-
$529 CAD
View
B+
Retailer 7
-
$536 CAD
View
A
Retailer 8
-
$587 CAD
View
A
Retailer 9
-
$652 CAD
View
B+
Retailer 10
-
$740 CAD
View
B+
Retailer 11
-
$764 CAD
View
B+
Retailer 12
-
$838 CAD
View
B+
Retailer 13
-
$965 CAD
View
B+
Retailer 14
-
$1,018 CAD
View
B+
Retailer 15
-
$1,040 CAD
View
Most Expensive
B
MOH London
LG770639391 · Nov 5
$1,399 CAD
£789 GBP
View
15 more retailers have this diamond
Prices start from $242 CADSave up to $1,158 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
1.30ct Round
$242 CAD