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Round|Lab Grown|IGI

1.51ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG12201310

Shape and cutting style on the report: Round brilliant

Certificate IGI LG12201310

Diamond specifications and retailer prices

From $466 CAD
As of November 5, 2026
Save $2,026 CAD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,492 CAD at MOH London · As of November 3, 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG12201310 or 12201310. Listed at 18 retailers as of November 3, 2026, with prices from $466 to $2,492, a $2,026 spread on the same certified stone. MOH London lists it at $2,492. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12201310
Dimensions7.17 × 7.20 × 4.65 mm
L/W Ratio1.00
Culet sizeNone
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
7.17 mm7.20 mm1.51 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12201310
Side View
Table 57.5%Crown 36.5°Girdle: STK-UNDPavilion 41.3°Culet: NoneDepth 64.7%

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: Nov 5
Current: $2,492 CAD|Low: $466 CAD|High: $2,501 CAD|Avg: $1,232 CAD|-0.4%
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 3$466 CAD
Retailer 4$499 CAD
Retailer 16$540 CAD
Retailer 7$578 CAD
Retailer 15$578 CAD
Retailer 14$589 CAD
Retailer 8$789 CAD
Retailer 12$918 CAD
Retailer 17$1,040 CAD
Retailer 11$1,092 CAD
Retailer 2$1,135 CAD
Retailer 10$1,170 CAD
Retailer 18$1,694 CAD
Retailer 9$1,823 CAD
Retailer 13$2,039 CAD
Retailer 6$2,050 CAD
Retailer 5$2,268 CAD
MOH London$2,492 CAD

21 data points across 18 retailers

18 retailers$466 CAD to $2,492 CAD

A
Cheapest Retailer
-
$466 CAD
A
Retailer 2
-
$499 CAD
View
A
Retailer 3
-
$540 CAD
View
Retailer 4
-
$578 CAD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$578 CAD
View
B+
Retailer 6
-
$589 CAD
View
B+
Retailer 7
-
$789 CAD
View
B+
Retailer 8
-
$918 CAD
View
B
Retailer 9
-
$1,040 CAD
View
B+
Retailer 10
-
$1,092 CAD
View
B
Retailer 11
-
$1,135 CAD
View
B
Retailer 12
-
$1,170 CAD
View
B
Retailer 13
-
$1,694 CAD
View
B
Retailer 14
-
$1,823 CAD
View
B
Retailer 15
-
$2,039 CAD
View
B
Retailer 16
-
$2,050 CAD
View
B
Retailer 17
-
$2,268 CAD
View
Most Expensive
B
MOH London
LG12201310 · Nov 3
$2,492 CAD
£1,405 GBP
View
17 more retailers have this diamond
Prices start from $466 CADSave up to $2,026 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
$466 CAD