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Round|Lab Grown|IGI

1.51ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG778671695

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778671695

Diamond specifications and retailer prices

From $286 CAD
$204 USD
As of October 29, 2026
Save $1,240 CAD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,525 CAD at MOH London · As of October 26, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG778671695 or 778671695. Listed at 11 retailers as of October 26, 2026, with prices from $286 to $1,525, a $1,240 spread on the same certified stone. MOH London lists it at $1,525. 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
E
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778671695
Dimensions7.38 × 7.34 × 4.54 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
7.38 mm7.34 mm1.51 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778671695
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.7%

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: Oct 29
Current: $1,525 CAD|Low: $263 CAD|High: $1,596 CAD|Avg: $729 CAD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 4$286 CAD
Retailer 6$305 CAD
Retailer 3$326 CAD
Retailer 7$571 CAD
Retailer 5$598 CAD
Retailer 2$646 CAD
Retailer 10$687 CAD
Retailer 9$704 CAD
Retailer 11$1,047 CAD
Retailer 8$1,050 CAD
MOH London$1,525 CAD

40 data points across 11 retailers

11 retailers$286 CAD to $1,525 CAD

A
Cheapest Retailer
-
$286 CAD
$204 USD
A
Retailer 2
-
$305 CAD
$218 USD
View
A
Retailer 3
-
$326 CAD
$233 USD
View
B+
Retailer 4
-
$571 CAD
$408 USD
View
A
Retailer 5
-
$598 CAD
€407 EUR
View
A
Retailer 6
-
$646 CAD
£363 GBP
View
B+
Retailer 7
-
$687 CAD
$491 USD
View
A
Retailer 8
-
$704 CAD
$503 USD
View
B
Retailer 9
-
$1,047 CAD
$748 USD
View
B
Retailer 10
-
$1,050 CAD
$750 USD
View
Most Expensive
B
MOH London
LG778671695 · Oct 26
$1,525 CAD
£858 GBP
View
10 more retailers have this diamond
Prices start from $286 CADSave up to $1,240 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
$286 CAD