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Round|Lab Grown|IGI

1.51ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG794609571

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794609571

Diamond specifications and retailer prices

From $270 CAD
As of November 5, 2026
Save $1,291 CAD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,561 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG794609571 or 794609571. Listed at 17 retailers as of November 5, 2026, with prices from $270 to $1,561, a $1,291 spread on the same certified stone. MOH London lists it at $1,561. 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

1.51
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794609571
Dimensions7.49 × 7.46 × 4.39 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.49 mm7.46 mm1.51 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794609571
Side View
Table 63.0%Crown 34°Girdle: MediumPavilion 40.6°Culet: NoneDepth 58.8%

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: $1,561 CAD|Low: $270 CAD|High: $1,602 CAD|Avg: $727 CAD|-2.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 7$270 CAD
Retailer 3$302 CAD
Retailer 16$313 CAD
Retailer 12$335 CAD
Retailer 8$337 CAD
Retailer 4$585 CAD
Retailer 14$592 CAD
Retailer 10$602 CAD
Retailer 2$610 CAD
Retailer 15$799 CAD
Retailer 9$888 CAD
Retailer 11$992 CAD
Retailer 13$1,077 CAD
Retailer 5$1,088 CAD
Retailer 6$1,151 CAD
MOH London$1,561 CAD

30 data points across 16 retailers

17 retailers$270 CAD to $1,561 CAD

A
Cheapest Retailer
-
$270 CAD
A
Retailer 2
-
$302 CAD
View
Final sale: no returns
A
Retailer 3
-
$313 CAD
View
A
Retailer 4
-
$335 CAD
View
Retailer 5
-
$337 CAD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$585 CAD
View
A
Retailer 7
-
$592 CAD
View
A
Retailer 8
-
$602 CAD
View
A
Retailer 9
-
$610 CAD
View
B+
Retailer 10
-
$799 CAD
View
B+
Retailer 11
-
$888 CAD
View
B+
Retailer 12
-
$992 CAD
View
B
Retailer 13
-
$1,077 CAD
View
B
Retailer 14
-
$1,088 CAD
View
B+
Retailer 15
-
$1,151 CAD
View
B
Retailer 16
-
$1,229 CAD
View
Most Expensive
B
MOH London
LG794609571 · Nov 5
$1,561 CAD
£880 GBP
View
16 more retailers have this diamond
Prices start from $270 CADSave up to $1,291 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
1.51ct Round
$270 CAD