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Round|Lab Grown|IGI

1.51ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG794609842

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794609842

Diamond specifications and retailer prices

From $277 CAD
As of November 5, 2026
Save $1,322 CAD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,598 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG794609842 or 794609842. Listed at 18 retailers as of November 5, 2026, with prices from $277 to $1,598, a $1,322 spread on the same certified stone. MOH London lists it at $1,598. 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794609842
Dimensions7.52 × 7.48 × 4.43 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
7.52 mm7.48 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794609842
Side View
Table 59.0%Crown 32.8°Girdle: MediumPavilion 40.4°Culet: NoneDepth 59.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $1,598 CAD|Low: $277 CAD|High: $1,653 CAD|Avg: $796 CAD|-3.0%
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
Retailer 17
Retailer 18
November 6, 2026
Retailer 8$277 CAD
Retailer 5$309 CAD
Retailer 4$321 CAD
Retailer 15$342 CAD
Retailer 9$345 CAD
Retailer 12$529 CAD
Retailer 6$595 CAD
Retailer 18$612 CAD
Retailer 2$619 CAD
Retailer 17$733 CAD
Retailer 3$806 CAD
Retailer 11$911 CAD
Retailer 14$1,033 CAD
Retailer 16$1,102 CAD
Retailer 10$1,120 CAD
Retailer 7$1,176 CAD
Retailer 13$1,452 CAD
MOH London$1,598 CAD

25 data points across 18 retailers

18 retailers$277 CAD to $1,598 CAD

A
Cheapest Retailer
-
$277 CAD
A
Retailer 2
-
$309 CAD
View
Final sale: no returns
A
Retailer 3
-
$321 CAD
View
A
Retailer 4
-
$342 CAD
View
Retailer 5
-
$345 CAD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$529 CAD
View
B+
Retailer 7
-
$595 CAD
View
A
Retailer 8
-
$612 CAD
View
A
Retailer 9
-
$619 CAD
View
B+
Retailer 10
-
$733 CAD
View
B+
Retailer 11
-
$806 CAD
View
B+
Retailer 12
-
$911 CAD
View
B+
Retailer 13
-
$1,033 CAD
View
B+
Retailer 14
-
$1,102 CAD
View
B+
Retailer 15
-
$1,120 CAD
View
B+
Retailer 16
-
$1,176 CAD
View
B
Retailer 17
-
$1,452 CAD
View
Most Expensive
B
MOH London
LG794609842 · Nov 5
$1,598 CAD
£901 GBP
View
17 more retailers have this diamond
Prices start from $277 CADSave up to $1,322 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
$277 CAD