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Round|Lab Grown|IGI

1.51ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG794610644

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794610644

Diamond specifications and retailer prices

From $274 CAD
$196 USD
As of October 29, 2026
Save $1,328 CAD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,602 CAD at MOH London · As of October 29, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG794610644 or 794610644. Listed at 19 retailers as of October 29, 2026, with prices from $274 to $1,602, a $1,328 spread on the same certified stone. MOH London lists it at $1,602. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794610644
Dimensions7.44 × 7.38 × 4.47 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
7.44 mm7.38 mm1.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794610644
Side View
Table 57.0%Crown 34°Girdle: MediumPavilion 40.2°Culet: NoneDepth 60.4%

Caratlytics Score

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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: Oct 29
Current: $1,602 CAD|Low: $267 CAD|High: $1,630 CAD|Avg: $784 CAD|-0.7%
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
October 30, 2026
Retailer 16$274 CAD
Retailer 11$305 CAD
Retailer 10$317 CAD
Retailer 4$341 CAD
Retailer 7$341 CAD
Retailer 12$589 CAD
Retailer 14$617 CAD
Retailer 5$634 CAD
Retailer 9$803 CAD
Retailer 2$877 CAD
Retailer 3$999 CAD
Retailer 6$1,095 CAD
Retailer 13$1,104 CAD
Retailer 15$1,164 CAD
Retailer 8$1,201 CAD
MOH London$1,602 CAD

35 data points across 16 retailers

19 retailers$274 CAD to $1,602 CAD

Retailer 1
-
$274 CAD
$196 USD
Price last confirmed 42 days ago
A
Retailer 2
-
$274 CAD
$196 USD
View
A
Retailer 3
-
$305 CAD
$218 USD
View
Final sale: no returns
A
Retailer 4
-
$317 CAD
$227 USD
View
Retailer 5
-
$332 CAD
$238 USD
View
Price last confirmed 41 days ago
A
Retailer 6
-
$341 CAD
$244 USD
View
A
Retailer 7
-
$341 CAD
$244 USD
View
B+
Retailer 8
-
$589 CAD
$422 USD
View
A
Retailer 9
-
$617 CAD
£348 GBP
View
A
Retailer 10
-
$634 CAD
$454 USD
View
B+
Retailer 11
-
$803 CAD
$575 USD
View
B+
Retailer 12
-
$877 CAD
$628 USD
View
B+
Retailer 13
-
$999 CAD
$715 USD
View
Retailer 14
-
$1,083 CAD
$775 USD
View
Price last confirmed 39 days ago
B+
Retailer 15
-
$1,095 CAD
$784 USD
View
B+
Retailer 16
-
$1,104 CAD
SGD 1,068 SGD
View
B+
Retailer 17
-
$1,164 CAD
$833 USD
View
B
Retailer 18
-
$1,201 CAD
$860 USD
View
Most Expensive
B
MOH London
LG794610644 · Oct 29
$1,602 CAD
£903 GBP
View
18 more retailers have this diamond
Prices start from $274 CADSave up to $1,328 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
$274 CAD